1 | /* gtktreeview.c |
2 | * Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com> |
3 | * |
4 | * This library is free software; you can redistribute it and/or |
5 | * modify it under the terms of the GNU Library General Public |
6 | * License as published by the Free Software Foundation; either |
7 | * version 2 of the License, or (at your option) any later version. |
8 | * |
9 | * This library is distributed in the hope that it will be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | * Library General Public License for more details. |
13 | * |
14 | * You should have received a copy of the GNU Library General Public |
15 | * License along with this library. If not, see <http://www.gnu.org/licenses/>. |
16 | */ |
17 | |
18 | |
19 | #include "config.h" |
20 | |
21 | #include "gtktreeview.h" |
22 | |
23 | #include "gtkadjustmentprivate.h" |
24 | #include "gtkbox.h" |
25 | #include "gtkbuildable.h" |
26 | #include "gtkbutton.h" |
27 | #include "gtkcelllayout.h" |
28 | #include "gtkcellrenderer.h" |
29 | #include "gtkcssnumbervalueprivate.h" |
30 | #include "gtkcsscolorvalueprivate.h" |
31 | #include "gtkdragsourceprivate.h" |
32 | #include "gtkdragicon.h" |
33 | #include "gtkdroptargetasync.h" |
34 | #include "gtkentryprivate.h" |
35 | #include "gtksearchentryprivate.h" |
36 | #include "gtkeventcontrollerkey.h" |
37 | #include "gtkeventcontrollerfocus.h" |
38 | #include "gtkeventcontrollermotion.h" |
39 | #include "gtkeventcontrollerscroll.h" |
40 | #include "gtkframe.h" |
41 | #include "gtkgesturedrag.h" |
42 | #include "gtkgestureclick.h" |
43 | #include "gtkgesturesingle.h" |
44 | #include "gtkintl.h" |
45 | #include "gtklabel.h" |
46 | #include "gtkmain.h" |
47 | #include "gtkmarshalers.h" |
48 | #include "gtkprivate.h" |
49 | #include "gtktext.h" |
50 | #include "gtktreerbtreeprivate.h" |
51 | #include "gtkrendericonprivate.h" |
52 | #include "gtkscrollable.h" |
53 | #include "gtksettingsprivate.h" |
54 | #include "gtkshortcutcontroller.h" |
55 | #include "gtksnapshot.h" |
56 | #include "gtkstylecontextprivate.h" |
57 | #include "gtktooltip.h" |
58 | #include "gtktreednd.h" |
59 | #include "gtktreemodelsort.h" |
60 | #include "gtktreeprivate.h" |
61 | #include "gtktypebuiltins.h" |
62 | #include "gtkwidgetprivate.h" |
63 | #include "gtkwindowgroup.h" |
64 | #include "gtknative.h" |
65 | #include "gtkpopover.h" |
66 | |
67 | #include "gdk/gdkeventsprivate.h" |
68 | #include "gdk/gdktextureprivate.h" |
69 | |
70 | #include <math.h> |
71 | #include <string.h> |
72 | |
73 | /** |
74 | * GtkTreeView: |
75 | * |
76 | * A widget for displaying both trees and lists |
77 | * |
78 | * Widget that displays any object that implements the [iface@Gtk.TreeModel] interface. |
79 | * |
80 | * Please refer to the [tree widget conceptual overview](section-tree-widget.html) |
81 | * for an overview of all the objects and data types related to the tree |
82 | * widget and how they work together. |
83 | * |
84 | * ## Coordinate systems in GtkTreeView API |
85 | * |
86 | * Several different coordinate systems are exposed in the `GtkTreeView` API. |
87 | * These are: |
88 | * |
89 | * ![](tree-view-coordinates.png) |
90 | * |
91 | * - Widget coordinates: Coordinates relative to the widget (usually `widget->window`). |
92 | * |
93 | * - Bin window coordinates: Coordinates relative to the window that GtkTreeView renders to. |
94 | * |
95 | * - Tree coordinates: Coordinates relative to the entire scrollable area of GtkTreeView. These |
96 | * coordinates start at (0, 0) for row 0 of the tree. |
97 | * |
98 | * Several functions are available for converting between the different |
99 | * coordinate systems. The most common translations are between widget and bin |
100 | * window coordinates and between bin window and tree coordinates. For the |
101 | * former you can use [method@Gtk.TreeView.convert_widget_to_bin_window_coords] |
102 | * (and vice versa), for the latter [method@Gtk.TreeView.convert_bin_window_to_tree_coords] |
103 | * (and vice versa). |
104 | * |
105 | * ## `GtkTreeView` as `GtkBuildable` |
106 | * |
107 | * The `GtkTreeView` implementation of the `GtkBuildable` interface accepts |
108 | * [class@Gtk.TreeViewColumn] objects as `<child>` elements and exposes the |
109 | * internal [class@Gtk.TreeSelection] in UI definitions. |
110 | * |
111 | * An example of a UI definition fragment with `GtkTreeView`: |
112 | * |
113 | * ```xml |
114 | * <object class="GtkTreeView" id="treeview"> |
115 | * <property name="model">liststore1</property> |
116 | * <child> |
117 | * <object class="GtkTreeViewColumn" id="test-column"> |
118 | * <property name="title">Test</property> |
119 | * <child> |
120 | * <object class="GtkCellRendererText" id="test-renderer"/> |
121 | * <attributes> |
122 | * <attribute name="text">1</attribute> |
123 | * </attributes> |
124 | * </child> |
125 | * </object> |
126 | * </child> |
127 | * <child internal-child="selection"> |
128 | * <object class="GtkTreeSelection" id="selection"> |
129 | * <signal name="changed" handler="on_treeview_selection_changed"/> |
130 | * </object> |
131 | * </child> |
132 | * </object> |
133 | * ``` |
134 | * |
135 | * ## CSS nodes |
136 | * |
137 | * ``` |
138 | * treeview.view |
139 | * ├── header |
140 | * │ ├── button |
141 | * │ │ ╰── [sort-indicator] |
142 | * ┊ ┊ |
143 | * │ ╰── button |
144 | * │ ╰── [sort-indicator] |
145 | * │ |
146 | * ├── [rubberband] |
147 | * ╰── [dndtarget] |
148 | * ``` |
149 | * |
150 | * `GtkTreeView` has a main CSS node with name `treeview` and style class `.view`. |
151 | * It has a subnode with name `header`, which is the parent for all the column |
152 | * header widgets' CSS nodes. |
153 | * |
154 | * Each column header consists of a `button`, which among other content, has a |
155 | * child with name `sort-indicator`, which carries the `.ascending` or `.descending` |
156 | * style classes when the column header should show a sort indicator. The CSS |
157 | * is expected to provide a suitable image using the `-gtk-icon-source` property. |
158 | * |
159 | * For rubberband selection, a subnode with name `rubberband` is used. |
160 | * |
161 | * For the drop target location during DND, a subnode with name `dndtarget` is used. |
162 | */ |
163 | |
164 | enum |
165 | { |
166 | DRAG_COLUMN_WINDOW_STATE_UNSET = 0, |
167 | DRAG_COLUMN_WINDOW_STATE_ORIGINAL = 1, |
168 | DRAG_COLUMN_WINDOW_STATE_ARROW = 2, |
169 | DRAG_COLUMN_WINDOW_STATE_ARROW_LEFT = 3, |
170 | DRAG_COLUMN_WINDOW_STATE_ARROW_RIGHT = 4 |
171 | }; |
172 | |
173 | enum |
174 | { |
175 | RUBBER_BAND_OFF = 0, |
176 | RUBBER_BAND_MAYBE_START = 1, |
177 | RUBBER_BAND_ACTIVE = 2 |
178 | }; |
179 | |
180 | typedef enum { |
181 | CLEAR_AND_SELECT = (1 << 0), |
182 | CLAMP_NODE = (1 << 1), |
183 | CURSOR_INVALID = (1 << 2) |
184 | } SetCursorFlags; |
185 | |
186 | /* This lovely little value is used to determine how far away from the title bar |
187 | * you can move the mouse and still have a column drag work. |
188 | */ |
189 | #define TREE_VIEW_COLUMN_DRAG_DEAD_MULTIPLIER(tree_view) (10*gtk_tree_view_get_effective_header_height(tree_view)) |
190 | |
191 | #ifdef __GNUC__ |
192 | |
193 | #define TREE_VIEW_INTERNAL_ASSERT(expr, ret) G_STMT_START{ \ |
194 | if (!(expr)) \ |
195 | { \ |
196 | g_log (G_LOG_DOMAIN, \ |
197 | G_LOG_LEVEL_CRITICAL, \ |
198 | "%s (%s): assertion `%s' failed.\n" \ |
199 | "There is a disparity between the internal view of the GtkTreeView,\n" \ |
200 | "and the GtkTreeModel. This generally means that the model has changed\n"\ |
201 | "without letting the view know. Any display from now on is likely to\n" \ |
202 | "be incorrect.\n", \ |
203 | G_STRLOC, \ |
204 | G_STRFUNC, \ |
205 | #expr); \ |
206 | return ret; \ |
207 | }; }G_STMT_END |
208 | |
209 | #define TREE_VIEW_INTERNAL_ASSERT_VOID(expr) G_STMT_START{ \ |
210 | if (!(expr)) \ |
211 | { \ |
212 | g_log (G_LOG_DOMAIN, \ |
213 | G_LOG_LEVEL_CRITICAL, \ |
214 | "%s (%s): assertion `%s' failed.\n" \ |
215 | "There is a disparity between the internal view of the GtkTreeView,\n" \ |
216 | "and the GtkTreeModel. This generally means that the model has changed\n"\ |
217 | "without letting the view know. Any display from now on is likely to\n" \ |
218 | "be incorrect.\n", \ |
219 | G_STRLOC, \ |
220 | G_STRFUNC, \ |
221 | #expr); \ |
222 | return; \ |
223 | }; }G_STMT_END |
224 | |
225 | #else |
226 | |
227 | #define TREE_VIEW_INTERNAL_ASSERT(expr, ret) G_STMT_START{ \ |
228 | if (!(expr)) \ |
229 | { \ |
230 | g_log (G_LOG_DOMAIN, \ |
231 | G_LOG_LEVEL_CRITICAL, \ |
232 | "file %s: line %d: assertion `%s' failed.\n" \ |
233 | "There is a disparity between the internal view of the GtkTreeView,\n" \ |
234 | "and the GtkTreeModel. This generally means that the model has changed\n"\ |
235 | "without letting the view know. Any display from now on is likely to\n" \ |
236 | "be incorrect.\n", \ |
237 | __FILE__, \ |
238 | __LINE__, \ |
239 | #expr); \ |
240 | return ret; \ |
241 | }; }G_STMT_END |
242 | |
243 | #define TREE_VIEW_INTERNAL_ASSERT_VOID(expr) G_STMT_START{ \ |
244 | if (!(expr)) \ |
245 | { \ |
246 | g_log (G_LOG_DOMAIN, \ |
247 | G_LOG_LEVEL_CRITICAL, \ |
248 | "file %s: line %d: assertion '%s' failed.\n" \ |
249 | "There is a disparity between the internal view of the GtkTreeView,\n" \ |
250 | "and the GtkTreeModel. This generally means that the model has changed\n"\ |
251 | "without letting the view know. Any display from now on is likely to\n" \ |
252 | "be incorrect.\n", \ |
253 | __FILE__, \ |
254 | __LINE__, \ |
255 | #expr); \ |
256 | return; \ |
257 | }; }G_STMT_END |
258 | #endif |
259 | |
260 | #define GTK_TREE_VIEW_PRIORITY_VALIDATE (GDK_PRIORITY_REDRAW + 5) |
261 | #define GTK_TREE_VIEW_PRIORITY_SCROLL_SYNC (GTK_TREE_VIEW_PRIORITY_VALIDATE + 2) |
262 | /* 3/5 of gdkframeclockidle.c's FRAME_INTERVAL (16667 microsecs) */ |
263 | #define GTK_TREE_VIEW_TIME_MS_PER_IDLE 10 |
264 | #define SCROLL_EDGE_SIZE 15 |
265 | #define GTK_TREE_VIEW_SEARCH_DIALOG_TIMEOUT 5000 |
266 | #define AUTO_EXPAND_TIMEOUT 500 |
267 | |
268 | /* Translate from bin_window coordinates to rbtree (tree coordinates) and |
269 | * vice versa. |
270 | */ |
271 | #define TREE_WINDOW_Y_TO_RBTREE_Y(tree_view,y) ((y) + tree_view->dy) |
272 | #define RBTREE_Y_TO_TREE_WINDOW_Y(tree_view,y) ((y) - tree_view->dy) |
273 | |
274 | /* Vertical separator width. Must be an even number. */ |
275 | #define _TREE_VIEW_VERTICAL_SEPARATOR 2 |
276 | /* Horizontal separator width. Must be an even number. */ |
277 | #define _TREE_VIEW_HORIZONTAL_SEPARATOR 4 |
278 | /* Tree view grid line width, in pixels */ |
279 | #define _TREE_VIEW_GRID_LINE_WIDTH 1 |
280 | /* Tree view line width, in pixels */ |
281 | #define _TREE_VIEW_TREE_LINE_WIDTH 1 |
282 | |
283 | typedef struct _GtkTreeViewColumnReorder GtkTreeViewColumnReorder; |
284 | struct _GtkTreeViewColumnReorder |
285 | { |
286 | int left_align; |
287 | int right_align; |
288 | GtkTreeViewColumn *left_column; |
289 | GtkTreeViewColumn *right_column; |
290 | }; |
291 | |
292 | typedef struct _GtkTreeViewChild GtkTreeViewChild; |
293 | struct _GtkTreeViewChild |
294 | { |
295 | GtkWidget *widget; |
296 | GtkTreeRBNode *node; |
297 | GtkTreeRBTree *tree; |
298 | GtkTreeViewColumn *column; |
299 | GtkBorder border; |
300 | }; |
301 | |
302 | |
303 | typedef struct _TreeViewDragInfo TreeViewDragInfo; |
304 | struct _TreeViewDragInfo |
305 | { |
306 | GdkContentFormats *source_formats; |
307 | GdkDragAction source_actions; |
308 | GdkDrag *drag; |
309 | GtkTreeRowReference *source_item; |
310 | |
311 | GtkCssNode *cssnode; |
312 | GtkDropTargetAsync *dest; |
313 | GdkModifierType start_button_mask; |
314 | |
315 | guint source_set : 1; |
316 | guint dest_set : 1; |
317 | }; |
318 | |
319 | |
320 | typedef struct |
321 | { |
322 | GtkTreeModel *model; |
323 | |
324 | /* tree information */ |
325 | GtkTreeRBTree *tree; |
326 | |
327 | /* Container info */ |
328 | GList *children; |
329 | int width; |
330 | |
331 | guint presize_handler_tick_cb; |
332 | |
333 | /* Adjustments */ |
334 | GtkAdjustment *hadjustment; |
335 | GtkAdjustment *vadjustment; |
336 | int min_display_width; |
337 | int min_display_height; |
338 | |
339 | /* CSS nodes */ |
340 | GtkCssNode *; |
341 | |
342 | /* Scroll position state keeping */ |
343 | GtkTreeRowReference *top_row; |
344 | int top_row_dy; |
345 | /* dy == y pos of top_row + top_row_dy */ |
346 | /* we cache it for simplicity of the code */ |
347 | int dy; |
348 | |
349 | guint validate_rows_timer; |
350 | guint scroll_sync_timer; |
351 | |
352 | /* Indentation and expander layout */ |
353 | GtkTreeViewColumn *expander_column; |
354 | |
355 | int level_indentation; |
356 | |
357 | /* Key navigation (focus), selection */ |
358 | int cursor_offset; |
359 | |
360 | GtkTreeRowReference *anchor; |
361 | GtkTreeRBNode *cursor_node; |
362 | GtkTreeRBTree *cursor_tree; |
363 | |
364 | GtkTreeViewColumn *focus_column; |
365 | |
366 | /* Current pressed node, previously pressed, prelight */ |
367 | GtkTreeRBNode *button_pressed_node; |
368 | GtkTreeRBTree *button_pressed_tree; |
369 | |
370 | int press_start_x; |
371 | int press_start_y; |
372 | |
373 | int event_last_x; |
374 | int event_last_y; |
375 | |
376 | GtkTreeRBNode *prelight_node; |
377 | GtkTreeRBTree *prelight_tree; |
378 | |
379 | /* Cell Editing */ |
380 | GtkTreeViewColumn *edited_column; |
381 | |
382 | /* Auto expand/collapse timeout in hover mode */ |
383 | guint auto_expand_timeout; |
384 | |
385 | /* Selection information */ |
386 | GtkTreeSelection *selection; |
387 | |
388 | /* Header information */ |
389 | int ; |
390 | int n_columns; |
391 | GList *columns; |
392 | |
393 | GtkTreeViewColumnDropFunc column_drop_func; |
394 | gpointer column_drop_func_data; |
395 | GDestroyNotify column_drop_func_data_destroy; |
396 | GList *column_drag_info; |
397 | GtkTreeViewColumnReorder *cur_reorder; |
398 | |
399 | int prev_width_before_expander; |
400 | |
401 | /* Scroll timeout (e.g. during dnd, rubber banding) */ |
402 | guint scroll_timeout; |
403 | |
404 | /* Interactive Header reordering */ |
405 | GtkTreeViewColumn *drag_column; |
406 | int drag_column_x; |
407 | int drag_column_y; |
408 | |
409 | /* Interactive Header Resizing */ |
410 | int drag_pos; |
411 | int x_drag; |
412 | |
413 | /* Row drag-and-drop */ |
414 | GtkTreeRowReference *drag_dest_row; |
415 | GtkTreeViewDropPosition drag_dest_pos; |
416 | guint open_dest_timeout; |
417 | |
418 | /* Rubber banding */ |
419 | int rubber_band_status; |
420 | int rubber_band_x; |
421 | int rubber_band_y; |
422 | int rubber_band_extend; |
423 | int rubber_band_modify; |
424 | |
425 | /* fixed height */ |
426 | int fixed_height; |
427 | |
428 | GtkTreeRBNode *rubber_band_start_node; |
429 | GtkTreeRBTree *rubber_band_start_tree; |
430 | |
431 | GtkTreeRBNode *rubber_band_end_node; |
432 | GtkTreeRBTree *rubber_band_end_tree; |
433 | GtkCssNode *rubber_band_cssnode; |
434 | |
435 | /* Scroll-to functionality when unrealized */ |
436 | GtkTreeRowReference *scroll_to_path; |
437 | GtkTreeViewColumn *scroll_to_column; |
438 | float scroll_to_row_align; |
439 | float scroll_to_col_align; |
440 | |
441 | /* Interactive search */ |
442 | int selected_iter; |
443 | int search_column; |
444 | GtkTreeViewSearchEqualFunc search_equal_func; |
445 | gpointer search_user_data; |
446 | GDestroyNotify search_destroy; |
447 | gpointer search_position_user_data; |
448 | GDestroyNotify search_position_destroy; |
449 | GtkWidget *search_popover; |
450 | GtkWidget *search_entry; |
451 | gulong search_entry_changed_id; |
452 | guint typeselect_flush_timeout; |
453 | |
454 | /* Grid and tree lines */ |
455 | GtkTreeViewGridLines grid_lines; |
456 | gboolean tree_lines_enabled; |
457 | |
458 | /* Row separators */ |
459 | GtkTreeViewRowSeparatorFunc row_separator_func; |
460 | gpointer row_separator_data; |
461 | GDestroyNotify row_separator_destroy; |
462 | |
463 | /* Gestures */ |
464 | GtkGesture *click_gesture; |
465 | GtkGesture *drag_gesture; /* Rubberbanding, row DnD */ |
466 | GtkGesture *column_drag_gesture; /* Column reordering, resizing */ |
467 | |
468 | /* Tooltip support */ |
469 | int tooltip_column; |
470 | |
471 | int expander_size; |
472 | |
473 | GdkRGBA grid_line_color; /* Color used in the textures */ |
474 | GdkTexture *horizontal_grid_line_texture; |
475 | GdkTexture *vertical_grid_line_texture; |
476 | |
477 | GdkRGBA tree_line_color; /* Color used in the textures */ |
478 | GdkTexture *horizontal_tree_line_texture; |
479 | GdkTexture *vertical_tree_line_texture; |
480 | |
481 | /* Here comes the bitfield */ |
482 | guint scroll_to_use_align : 1; |
483 | |
484 | guint fixed_height_mode : 1; |
485 | guint fixed_height_check : 1; |
486 | |
487 | guint activate_on_single_click : 1; |
488 | guint reorderable : 1; |
489 | guint : 1; |
490 | guint drag_column_surface_state : 3; |
491 | guint mark_rows_col_dirty : 1; |
492 | |
493 | /* for DnD */ |
494 | guint empty_view_drop : 1; |
495 | |
496 | guint modify_selection_pressed : 1; |
497 | guint extend_selection_pressed : 1; |
498 | |
499 | guint in_top_row_to_dy : 1; |
500 | |
501 | /* interactive search */ |
502 | guint enable_search : 1; |
503 | guint disable_popdown : 1; |
504 | guint search_custom_entry_set : 1; |
505 | |
506 | guint hover_selection : 1; |
507 | guint hover_expand : 1; |
508 | guint imcontext_changed : 1; |
509 | |
510 | guint in_scroll : 1; |
511 | |
512 | guint rubber_banding_enable : 1; |
513 | |
514 | guint in_grab : 1; |
515 | |
516 | /* Whether our key press handler is to avoid sending an unhandled binding to the search entry */ |
517 | guint search_entry_avoid_unhandled_binding : 1; |
518 | |
519 | /* GtkScrollablePolicy needs to be checked when |
520 | * driving the scrollable adjustment values */ |
521 | guint hscroll_policy : 1; |
522 | guint vscroll_policy : 1; |
523 | |
524 | /* GtkTreeView flags */ |
525 | guint is_list : 1; |
526 | guint show_expanders : 1; |
527 | guint in_column_resize : 1; |
528 | guint arrow_prelit : 1; |
529 | guint : 1; |
530 | guint draw_keyfocus : 1; |
531 | guint model_setup : 1; |
532 | guint in_column_drag : 1; |
533 | } GtkTreeViewPrivate; |
534 | |
535 | |
536 | /* Signals */ |
537 | enum |
538 | { |
539 | ROW_ACTIVATED, |
540 | TEST_EXPAND_ROW, |
541 | TEST_COLLAPSE_ROW, |
542 | ROW_EXPANDED, |
543 | ROW_COLLAPSED, |
544 | COLUMNS_CHANGED, |
545 | CURSOR_CHANGED, |
546 | MOVE_CURSOR, |
547 | SELECT_ALL, |
548 | UNSELECT_ALL, |
549 | SELECT_CURSOR_ROW, |
550 | TOGGLE_CURSOR_ROW, |
551 | EXPAND_COLLAPSE_CURSOR_ROW, |
552 | SELECT_CURSOR_PARENT, |
553 | START_INTERACTIVE_SEARCH, |
554 | LAST_SIGNAL |
555 | }; |
556 | |
557 | /* Properties */ |
558 | enum { |
559 | PROP_0, |
560 | PROP_MODEL, |
561 | , |
562 | , |
563 | PROP_EXPANDER_COLUMN, |
564 | PROP_REORDERABLE, |
565 | PROP_ENABLE_SEARCH, |
566 | PROP_SEARCH_COLUMN, |
567 | PROP_FIXED_HEIGHT_MODE, |
568 | PROP_HOVER_SELECTION, |
569 | PROP_HOVER_EXPAND, |
570 | PROP_SHOW_EXPANDERS, |
571 | PROP_LEVEL_INDENTATION, |
572 | PROP_RUBBER_BANDING, |
573 | PROP_ENABLE_GRID_LINES, |
574 | PROP_ENABLE_TREE_LINES, |
575 | PROP_TOOLTIP_COLUMN, |
576 | PROP_ACTIVATE_ON_SINGLE_CLICK, |
577 | LAST_PROP, |
578 | /* overridden */ |
579 | PROP_HADJUSTMENT = LAST_PROP, |
580 | PROP_VADJUSTMENT, |
581 | PROP_HSCROLL_POLICY, |
582 | PROP_VSCROLL_POLICY, |
583 | }; |
584 | |
585 | /* object signals */ |
586 | static void gtk_tree_view_finalize (GObject *object); |
587 | static void gtk_tree_view_dispose (GObject *object); |
588 | static void gtk_tree_view_set_property (GObject *object, |
589 | guint prop_id, |
590 | const GValue *value, |
591 | GParamSpec *pspec); |
592 | static void gtk_tree_view_get_property (GObject *object, |
593 | guint prop_id, |
594 | GValue *value, |
595 | GParamSpec *pspec); |
596 | |
597 | /* gtkwidget signals */ |
598 | static void gtk_tree_view_realize (GtkWidget *widget); |
599 | static void gtk_tree_view_unrealize (GtkWidget *widget); |
600 | static void gtk_tree_view_unroot (GtkWidget *widget); |
601 | static void gtk_tree_view_map (GtkWidget *widget); |
602 | static void gtk_tree_view_measure (GtkWidget *widget, |
603 | GtkOrientation orientation, |
604 | int for_size, |
605 | int *minimum, |
606 | int *natural, |
607 | int *minimum_baseline, |
608 | int *natural_baseline); |
609 | static void gtk_tree_view_size_allocate (GtkWidget *widget, |
610 | int width, |
611 | int height, |
612 | int baseline); |
613 | static void gtk_tree_view_snapshot (GtkWidget *widget, |
614 | GtkSnapshot *snapshot); |
615 | |
616 | static gboolean gtk_tree_view_forward_controller_key_pressed (GtkEventControllerKey *key, |
617 | guint keyval, |
618 | guint keycode, |
619 | GdkModifierType state, |
620 | GtkTreeView *tree_view); |
621 | static gboolean gtk_tree_view_key_controller_key_pressed (GtkEventControllerKey *key, |
622 | guint keyval, |
623 | guint keycode, |
624 | GdkModifierType state, |
625 | GtkTreeView *tree_view); |
626 | static void gtk_tree_view_key_controller_key_released (GtkEventControllerKey *key, |
627 | guint keyval, |
628 | guint keycode, |
629 | GdkModifierType state, |
630 | GtkTreeView *tree_view); |
631 | static void gtk_tree_view_focus_controller_focus_out (GtkEventController *focus, |
632 | GtkTreeView *tree_view); |
633 | |
634 | static int gtk_tree_view_focus (GtkWidget *widget, |
635 | GtkDirectionType direction); |
636 | static gboolean gtk_tree_view_grab_focus (GtkWidget *widget); |
637 | static void gtk_tree_view_css_changed (GtkWidget *widget, |
638 | GtkCssStyleChange *change); |
639 | |
640 | static void gtk_tree_view_remove (GtkTreeView *tree_view, |
641 | GtkWidget *widget); |
642 | |
643 | /* Source side drag signals */ |
644 | static void gtk_tree_view_dnd_finished_cb (GdkDrag *drag, |
645 | GtkWidget *widget); |
646 | static GdkContentProvider * gtk_tree_view_drag_data_get (GtkTreeView *tree_view, |
647 | GtkTreePath *source_row); |
648 | |
649 | /* Target side drag signals */ |
650 | static void gtk_tree_view_drag_leave (GtkDropTargetAsync *dest, |
651 | GdkDrop *drop, |
652 | GtkTreeView *tree_view); |
653 | static GdkDragAction gtk_tree_view_drag_motion (GtkDropTargetAsync *dest, |
654 | GdkDrop *drop, |
655 | double x, |
656 | double y, |
657 | GtkTreeView *tree_view); |
658 | static gboolean gtk_tree_view_drag_drop (GtkDropTargetAsync *dest, |
659 | GdkDrop *drop, |
660 | double x, |
661 | double y, |
662 | GtkTreeView *tree_view); |
663 | static void gtk_tree_view_drag_data_received (GObject *source, |
664 | GAsyncResult *result, |
665 | gpointer data); |
666 | |
667 | /* tree_model signals */ |
668 | static gboolean gtk_tree_view_real_move_cursor (GtkTreeView *tree_view, |
669 | GtkMovementStep step, |
670 | int count, |
671 | gboolean extend, |
672 | gboolean modify); |
673 | static gboolean gtk_tree_view_real_select_all (GtkTreeView *tree_view); |
674 | static gboolean gtk_tree_view_real_unselect_all (GtkTreeView *tree_view); |
675 | static gboolean gtk_tree_view_real_select_cursor_row (GtkTreeView *tree_view, |
676 | gboolean start_editing); |
677 | static gboolean gtk_tree_view_real_toggle_cursor_row (GtkTreeView *tree_view); |
678 | static gboolean gtk_tree_view_real_expand_collapse_cursor_row (GtkTreeView *tree_view, |
679 | gboolean logical, |
680 | gboolean expand, |
681 | gboolean open_all); |
682 | static gboolean gtk_tree_view_real_select_cursor_parent (GtkTreeView *tree_view); |
683 | static void gtk_tree_view_row_changed (GtkTreeModel *model, |
684 | GtkTreePath *path, |
685 | GtkTreeIter *iter, |
686 | gpointer data); |
687 | static void gtk_tree_view_row_inserted (GtkTreeModel *model, |
688 | GtkTreePath *path, |
689 | GtkTreeIter *iter, |
690 | gpointer data); |
691 | static void gtk_tree_view_row_has_child_toggled (GtkTreeModel *model, |
692 | GtkTreePath *path, |
693 | GtkTreeIter *iter, |
694 | gpointer data); |
695 | static void gtk_tree_view_row_deleted (GtkTreeModel *model, |
696 | GtkTreePath *path, |
697 | gpointer data); |
698 | static void gtk_tree_view_rows_reordered (GtkTreeModel *model, |
699 | GtkTreePath *parent, |
700 | GtkTreeIter *iter, |
701 | int *new_order, |
702 | gpointer data); |
703 | |
704 | /* Incremental reflow */ |
705 | static gboolean validate_row (GtkTreeView *tree_view, |
706 | GtkTreeRBTree *tree, |
707 | GtkTreeRBNode *node, |
708 | GtkTreeIter *iter, |
709 | GtkTreePath *path); |
710 | static void validate_visible_area (GtkTreeView *tree_view); |
711 | static gboolean do_validate_rows (GtkTreeView *tree_view, |
712 | gboolean queue_resize); |
713 | static gboolean validate_rows (GtkTreeView *tree_view); |
714 | static void install_presize_handler (GtkTreeView *tree_view); |
715 | static void install_scroll_sync_handler (GtkTreeView *tree_view); |
716 | static void gtk_tree_view_set_top_row (GtkTreeView *tree_view, |
717 | GtkTreePath *path, |
718 | int offset); |
719 | static void gtk_tree_view_dy_to_top_row (GtkTreeView *tree_view); |
720 | static void gtk_tree_view_top_row_to_dy (GtkTreeView *tree_view); |
721 | static void invalidate_empty_focus (GtkTreeView *tree_view); |
722 | |
723 | /* Internal functions */ |
724 | static gboolean gtk_tree_view_is_expander_column (GtkTreeView *tree_view, |
725 | GtkTreeViewColumn *column); |
726 | static inline gboolean gtk_tree_view_draw_expanders (GtkTreeView *tree_view); |
727 | static void gtk_tree_view_add_move_binding (GtkWidgetClass *widget_class, |
728 | guint keyval, |
729 | guint modmask, |
730 | gboolean add_shifted_binding, |
731 | GtkMovementStep step, |
732 | int count); |
733 | static int gtk_tree_view_unref_and_check_selection_tree (GtkTreeView *tree_view, |
734 | GtkTreeRBTree *tree); |
735 | static void gtk_tree_view_snapshot_arrow (GtkTreeView *tree_view, |
736 | GtkSnapshot *snapshot, |
737 | GtkTreeRBTree *tree, |
738 | GtkTreeRBNode *node); |
739 | static void gtk_tree_view_get_arrow_xrange (GtkTreeView *tree_view, |
740 | GtkTreeRBTree *tree, |
741 | int *x1, |
742 | int *x2); |
743 | static void gtk_tree_view_adjustment_changed (GtkAdjustment *adjustment, |
744 | GtkTreeView *tree_view); |
745 | static void gtk_tree_view_build_tree (GtkTreeView *tree_view, |
746 | GtkTreeRBTree *tree, |
747 | GtkTreeIter *iter, |
748 | int depth, |
749 | gboolean recurse); |
750 | static void gtk_tree_view_clamp_node_visible (GtkTreeView *tree_view, |
751 | GtkTreeRBTree *tree, |
752 | GtkTreeRBNode *node); |
753 | static void gtk_tree_view_clamp_column_visible (GtkTreeView *tree_view, |
754 | GtkTreeViewColumn *column, |
755 | gboolean focus_to_cell); |
756 | static gboolean gtk_tree_view_maybe_begin_dragging_row (GtkTreeView *tree_view); |
757 | static void gtk_tree_view_focus_to_cursor (GtkTreeView *tree_view); |
758 | static void gtk_tree_view_move_cursor_up_down (GtkTreeView *tree_view, |
759 | int count); |
760 | static void gtk_tree_view_move_cursor_page_up_down (GtkTreeView *tree_view, |
761 | int count); |
762 | static void gtk_tree_view_move_cursor_left_right (GtkTreeView *tree_view, |
763 | int count); |
764 | static void gtk_tree_view_move_cursor_start_end (GtkTreeView *tree_view, |
765 | int count); |
766 | static gboolean gtk_tree_view_real_collapse_row (GtkTreeView *tree_view, |
767 | GtkTreePath *path, |
768 | GtkTreeRBTree *tree, |
769 | GtkTreeRBNode *node); |
770 | static gboolean gtk_tree_view_real_expand_row (GtkTreeView *tree_view, |
771 | GtkTreePath *path, |
772 | GtkTreeRBTree *tree, |
773 | GtkTreeRBNode *node, |
774 | gboolean open_all); |
775 | static void gtk_tree_view_real_set_cursor (GtkTreeView *tree_view, |
776 | GtkTreePath *path, |
777 | SetCursorFlags flags); |
778 | static gboolean gtk_tree_view_has_can_focus_cell (GtkTreeView *tree_view); |
779 | static void column_sizing_notify (GObject *object, |
780 | GParamSpec *pspec, |
781 | gpointer data); |
782 | static void gtk_tree_view_stop_rubber_band (GtkTreeView *tree_view); |
783 | static void ensure_unprelighted (GtkTreeView *tree_view); |
784 | static void update_prelight (GtkTreeView *tree_view, |
785 | int x, |
786 | int y); |
787 | |
788 | static inline int gtk_tree_view_get_effective_header_height (GtkTreeView *tree_view); |
789 | |
790 | static inline int gtk_tree_view_get_cell_area_y_offset (GtkTreeView *tree_view, |
791 | GtkTreeRBTree *tree, |
792 | GtkTreeRBNode *node); |
793 | static inline int gtk_tree_view_get_cell_area_height (GtkTreeView *tree_view, |
794 | GtkTreeRBNode *node); |
795 | |
796 | static inline int gtk_tree_view_get_row_y_offset (GtkTreeView *tree_view, |
797 | GtkTreeRBTree *tree, |
798 | GtkTreeRBNode *node); |
799 | static inline int gtk_tree_view_get_row_height (GtkTreeView *tree_view, |
800 | GtkTreeRBNode *node); |
801 | static TreeViewDragInfo* get_info (GtkTreeView *tree_view); |
802 | |
803 | /* interactive search */ |
804 | static void gtk_tree_view_ensure_interactive_directory (GtkTreeView *tree_view); |
805 | static void gtk_tree_view_search_popover_hide (GtkWidget *search_popover, |
806 | GtkTreeView *tree_view); |
807 | static void gtk_tree_view_search_preedit_changed (GtkText *text, |
808 | const char *preedit, |
809 | GtkTreeView *tree_view); |
810 | static void gtk_tree_view_search_changed (GtkEditable *editable, |
811 | GtkTreeView *tree_view); |
812 | static void gtk_tree_view_search_activate (GtkEntry *entry, |
813 | GtkTreeView *tree_view); |
814 | static void gtk_tree_view_search_pressed_cb (GtkGesture *gesture, |
815 | int n_press, |
816 | double x, |
817 | double y, |
818 | GtkTreeView *tree_view); |
819 | static gboolean gtk_tree_view_search_scroll_event (GtkWidget *entry, |
820 | double dx, |
821 | double dy, |
822 | GtkTreeView *tree_view); |
823 | static gboolean gtk_tree_view_search_key_pressed (GtkEventControllerKey *key, |
824 | guint keyval, |
825 | guint keycode, |
826 | GdkModifierType state, |
827 | GtkTreeView *tree_view); |
828 | static gboolean gtk_tree_view_search_move (GtkWidget *window, |
829 | GtkTreeView *tree_view, |
830 | gboolean up); |
831 | static gboolean gtk_tree_view_search_equal_func (GtkTreeModel *model, |
832 | int column, |
833 | const char *key, |
834 | GtkTreeIter *iter, |
835 | gpointer search_data); |
836 | static gboolean gtk_tree_view_search_iter (GtkTreeModel *model, |
837 | GtkTreeSelection *selection, |
838 | GtkTreeIter *iter, |
839 | const char *text, |
840 | int *count, |
841 | int n); |
842 | static void gtk_tree_view_search_init (GtkWidget *entry, |
843 | GtkTreeView *tree_view); |
844 | static void gtk_tree_view_put (GtkTreeView *tree_view, |
845 | GtkWidget *child_widget, |
846 | GtkTreePath *path, |
847 | GtkTreeViewColumn*column, |
848 | const GtkBorder *border); |
849 | static gboolean gtk_tree_view_start_editing (GtkTreeView *tree_view, |
850 | GtkTreePath *cursor_path, |
851 | gboolean edit_only); |
852 | static void gtk_tree_view_stop_editing (GtkTreeView *tree_view, |
853 | gboolean cancel_editing); |
854 | static gboolean gtk_tree_view_real_start_interactive_search (GtkTreeView *tree_view, |
855 | gboolean keybinding); |
856 | static gboolean gtk_tree_view_start_interactive_search (GtkTreeView *tree_view); |
857 | static GtkTreeViewColumn *gtk_tree_view_get_drop_column (GtkTreeView *tree_view, |
858 | GtkTreeViewColumn *column, |
859 | int drop_position); |
860 | |
861 | /* GtkBuildable */ |
862 | static void gtk_tree_view_buildable_add_child (GtkBuildable *tree_view, |
863 | GtkBuilder *builder, |
864 | GObject *child, |
865 | const char *type); |
866 | static GObject *gtk_tree_view_buildable_get_internal_child (GtkBuildable *buildable, |
867 | GtkBuilder *builder, |
868 | const char *childname); |
869 | static void gtk_tree_view_buildable_init (GtkBuildableIface *iface); |
870 | |
871 | /* GtkScrollable */ |
872 | static void gtk_tree_view_scrollable_init (GtkScrollableInterface *iface); |
873 | |
874 | static void gtk_tree_view_do_set_hadjustment (GtkTreeView *tree_view, |
875 | GtkAdjustment *adjustment); |
876 | static void gtk_tree_view_do_set_vadjustment (GtkTreeView *tree_view, |
877 | GtkAdjustment *adjustment); |
878 | |
879 | static gboolean scroll_row_timeout (gpointer data); |
880 | static void add_scroll_timeout (GtkTreeView *tree_view); |
881 | static void remove_scroll_timeout (GtkTreeView *tree_view); |
882 | |
883 | static void grab_focus_and_unset_draw_keyfocus (GtkTreeView *tree_view); |
884 | |
885 | /* Gestures */ |
886 | static void gtk_tree_view_column_click_gesture_pressed (GtkGestureClick *gesture, |
887 | int n_press, |
888 | double x, |
889 | double y, |
890 | GtkTreeView *tree_view); |
891 | |
892 | static void gtk_tree_view_click_gesture_pressed (GtkGestureClick *gesture, |
893 | int n_press, |
894 | double x, |
895 | double y, |
896 | GtkTreeView *tree_view); |
897 | static void gtk_tree_view_click_gesture_released (GtkGestureClick *gesture, |
898 | int n_press, |
899 | double x, |
900 | double y, |
901 | GtkTreeView *tree_view); |
902 | |
903 | static void gtk_tree_view_column_drag_gesture_begin (GtkGestureDrag *gesture, |
904 | double start_x, |
905 | double start_y, |
906 | GtkTreeView *tree_view); |
907 | static void gtk_tree_view_column_drag_gesture_update (GtkGestureDrag *gesture, |
908 | double offset_x, |
909 | double offset_y, |
910 | GtkTreeView *tree_view); |
911 | static void gtk_tree_view_column_drag_gesture_end (GtkGestureDrag *gesture, |
912 | double offset_x, |
913 | double offset_y, |
914 | GtkTreeView *tree_view); |
915 | |
916 | static void gtk_tree_view_drag_gesture_begin (GtkGestureDrag *gesture, |
917 | double start_x, |
918 | double start_y, |
919 | GtkTreeView *tree_view); |
920 | static void gtk_tree_view_drag_gesture_update (GtkGestureDrag *gesture, |
921 | double offset_x, |
922 | double offset_y, |
923 | GtkTreeView *tree_view); |
924 | static void gtk_tree_view_drag_gesture_end (GtkGestureDrag *gesture, |
925 | double offset_x, |
926 | double offset_y, |
927 | GtkTreeView *tree_view); |
928 | static void gtk_tree_view_motion_controller_enter (GtkEventControllerMotion *controller, |
929 | double x, |
930 | double y, |
931 | GtkTreeView *tree_view); |
932 | static void gtk_tree_view_motion_controller_leave (GtkEventControllerMotion *controller, |
933 | GtkTreeView *tree_view); |
934 | static void gtk_tree_view_motion_controller_motion (GtkEventControllerMotion *controller, |
935 | double x, |
936 | double y, |
937 | GtkTreeView *tree_view); |
938 | |
939 | static guint tree_view_signals [LAST_SIGNAL] = { 0 }; |
940 | static GParamSpec *tree_view_props [LAST_PROP] = { NULL }; |
941 | |
942 | |
943 | |
944 | /* GType Methods |
945 | */ |
946 | |
947 | G_DEFINE_TYPE_WITH_CODE (GtkTreeView, gtk_tree_view, GTK_TYPE_WIDGET, |
948 | G_ADD_PRIVATE (GtkTreeView) |
949 | G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE, |
950 | gtk_tree_view_buildable_init) |
951 | G_IMPLEMENT_INTERFACE (GTK_TYPE_SCROLLABLE, |
952 | gtk_tree_view_scrollable_init)) |
953 | |
954 | static void |
955 | gtk_tree_view_class_init (GtkTreeViewClass *class) |
956 | { |
957 | GObjectClass *o_class = G_OBJECT_CLASS (class); |
958 | GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class); |
959 | |
960 | /* GObject signals */ |
961 | o_class->set_property = gtk_tree_view_set_property; |
962 | o_class->get_property = gtk_tree_view_get_property; |
963 | o_class->finalize = gtk_tree_view_finalize; |
964 | o_class->dispose = gtk_tree_view_dispose; |
965 | |
966 | /* GtkWidget signals */ |
967 | widget_class->map = gtk_tree_view_map; |
968 | widget_class->realize = gtk_tree_view_realize; |
969 | widget_class->unrealize = gtk_tree_view_unrealize; |
970 | widget_class->unroot = gtk_tree_view_unroot; |
971 | widget_class->measure = gtk_tree_view_measure; |
972 | widget_class->size_allocate = gtk_tree_view_size_allocate; |
973 | widget_class->snapshot = gtk_tree_view_snapshot; |
974 | widget_class->focus = gtk_tree_view_focus; |
975 | widget_class->grab_focus = gtk_tree_view_grab_focus; |
976 | widget_class->css_changed = gtk_tree_view_css_changed; |
977 | |
978 | class->move_cursor = gtk_tree_view_real_move_cursor; |
979 | class->select_all = gtk_tree_view_real_select_all; |
980 | class->unselect_all = gtk_tree_view_real_unselect_all; |
981 | class->select_cursor_row = gtk_tree_view_real_select_cursor_row; |
982 | class->toggle_cursor_row = gtk_tree_view_real_toggle_cursor_row; |
983 | class->expand_collapse_cursor_row = gtk_tree_view_real_expand_collapse_cursor_row; |
984 | class->select_cursor_parent = gtk_tree_view_real_select_cursor_parent; |
985 | class->start_interactive_search = gtk_tree_view_start_interactive_search; |
986 | |
987 | /* Properties */ |
988 | |
989 | g_object_class_override_property (oclass: o_class, property_id: PROP_HADJUSTMENT, name: "hadjustment" ); |
990 | g_object_class_override_property (oclass: o_class, property_id: PROP_VADJUSTMENT, name: "vadjustment" ); |
991 | g_object_class_override_property (oclass: o_class, property_id: PROP_HSCROLL_POLICY, name: "hscroll-policy" ); |
992 | g_object_class_override_property (oclass: o_class, property_id: PROP_VSCROLL_POLICY, name: "vscroll-policy" ); |
993 | |
994 | tree_view_props[PROP_MODEL] = |
995 | g_param_spec_object (name: "model" , |
996 | P_("TreeView Model" ), |
997 | P_("The model for the tree view" ), |
998 | GTK_TYPE_TREE_MODEL, |
999 | GTK_PARAM_READWRITE); |
1000 | |
1001 | tree_view_props[PROP_HEADERS_VISIBLE] = |
1002 | g_param_spec_boolean (name: "headers-visible" , |
1003 | P_("Headers Visible" ), |
1004 | P_("Show the column header buttons" ), |
1005 | TRUE, |
1006 | GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); |
1007 | |
1008 | tree_view_props[PROP_HEADERS_CLICKABLE] = |
1009 | g_param_spec_boolean (name: "headers-clickable" , |
1010 | P_("Headers Clickable" ), |
1011 | P_("Column headers respond to click events" ), |
1012 | TRUE, |
1013 | GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); |
1014 | |
1015 | tree_view_props[PROP_EXPANDER_COLUMN] = |
1016 | g_param_spec_object (name: "expander-column" , |
1017 | P_("Expander Column" ), |
1018 | P_("Set the column for the expander column" ), |
1019 | GTK_TYPE_TREE_VIEW_COLUMN, |
1020 | GTK_PARAM_READWRITE); |
1021 | |
1022 | tree_view_props[PROP_REORDERABLE] = |
1023 | g_param_spec_boolean (name: "reorderable" , |
1024 | P_("Reorderable" ), |
1025 | P_("View is reorderable" ), |
1026 | FALSE, |
1027 | GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); |
1028 | |
1029 | tree_view_props[PROP_ENABLE_SEARCH] = |
1030 | g_param_spec_boolean (name: "enable-search" , |
1031 | P_("Enable Search" ), |
1032 | P_("View allows user to search through columns interactively" ), |
1033 | TRUE, |
1034 | GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); |
1035 | |
1036 | tree_view_props[PROP_SEARCH_COLUMN] = |
1037 | g_param_spec_int (name: "search-column" , |
1038 | P_("Search Column" ), |
1039 | P_("Model column to search through during interactive search" ), |
1040 | minimum: -1, G_MAXINT, |
1041 | default_value: -1, |
1042 | GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); |
1043 | |
1044 | /** |
1045 | * GtkTreeView:fixed-height-mode: |
1046 | * |
1047 | * Setting the ::fixed-height-mode property to %TRUE speeds up |
1048 | * `GtkTreeView` by assuming that all rows have the same height. |
1049 | * Only enable this option if all rows are the same height. |
1050 | * Please see gtk_tree_view_set_fixed_height_mode() for more |
1051 | * information on this option. |
1052 | */ |
1053 | tree_view_props[PROP_FIXED_HEIGHT_MODE] = |
1054 | g_param_spec_boolean (name: "fixed-height-mode" , |
1055 | P_("Fixed Height Mode" ), |
1056 | P_("Speeds up GtkTreeView by assuming that all rows have the same height" ), |
1057 | FALSE, |
1058 | GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); |
1059 | |
1060 | /** |
1061 | * GtkTreeView:hover-selection: |
1062 | * |
1063 | * Enables or disables the hover selection mode of @tree_view. |
1064 | * Hover selection makes the selected row follow the pointer. |
1065 | * Currently, this works only for the selection modes |
1066 | * %GTK_SELECTION_SINGLE and %GTK_SELECTION_BROWSE. |
1067 | * |
1068 | * This mode is primarily intended for treeviews in popups, e.g. |
1069 | * in `GtkComboBox` or `GtkEntryCompletion`. |
1070 | */ |
1071 | tree_view_props[PROP_HOVER_SELECTION] = |
1072 | g_param_spec_boolean (name: "hover-selection" , |
1073 | P_("Hover Selection" ), |
1074 | P_("Whether the selection should follow the pointer" ), |
1075 | FALSE, |
1076 | GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); |
1077 | |
1078 | /** |
1079 | * GtkTreeView:hover-expand: |
1080 | * |
1081 | * Enables or disables the hover expansion mode of @tree_view. |
1082 | * Hover expansion makes rows expand or collapse if the pointer moves |
1083 | * over them. |
1084 | * |
1085 | * This mode is primarily intended for treeviews in popups, e.g. |
1086 | * in `GtkComboBox` or `GtkEntryCompletion`. |
1087 | */ |
1088 | tree_view_props[PROP_HOVER_EXPAND] = |
1089 | g_param_spec_boolean (name: "hover-expand" , |
1090 | P_("Hover Expand" ), |
1091 | P_("Whether rows should be expanded/collapsed when the pointer moves over them" ), |
1092 | FALSE, |
1093 | GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); |
1094 | |
1095 | /** |
1096 | * GtkTreeView:show-expanders: |
1097 | * |
1098 | * %TRUE if the view has expanders. |
1099 | */ |
1100 | tree_view_props[PROP_SHOW_EXPANDERS] = |
1101 | g_param_spec_boolean (name: "show-expanders" , |
1102 | P_("Show Expanders" ), |
1103 | P_("View has expanders" ), |
1104 | TRUE, |
1105 | GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); |
1106 | |
1107 | /** |
1108 | * GtkTreeView:level-indentation: |
1109 | * |
1110 | * Extra indentation for each level. |
1111 | */ |
1112 | tree_view_props[PROP_LEVEL_INDENTATION] = |
1113 | g_param_spec_int (name: "level-indentation" , |
1114 | P_("Level Indentation" ), |
1115 | P_("Extra indentation for each level" ), |
1116 | minimum: 0, G_MAXINT, |
1117 | default_value: 0, |
1118 | GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); |
1119 | |
1120 | tree_view_props[PROP_RUBBER_BANDING] = |
1121 | g_param_spec_boolean (name: "rubber-banding" , |
1122 | P_("Rubber Banding" ), |
1123 | P_("Whether to enable selection of multiple items by dragging the mouse pointer" ), |
1124 | FALSE, |
1125 | GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); |
1126 | |
1127 | tree_view_props[PROP_ENABLE_GRID_LINES] = |
1128 | g_param_spec_enum (name: "enable-grid-lines" , |
1129 | P_("Enable Grid Lines" ), |
1130 | P_("Whether grid lines should be drawn in the tree view" ), |
1131 | enum_type: GTK_TYPE_TREE_VIEW_GRID_LINES, |
1132 | default_value: GTK_TREE_VIEW_GRID_LINES_NONE, |
1133 | GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); |
1134 | |
1135 | tree_view_props[PROP_ENABLE_TREE_LINES] = |
1136 | g_param_spec_boolean (name: "enable-tree-lines" , |
1137 | P_("Enable Tree Lines" ), |
1138 | P_("Whether tree lines should be drawn in the tree view" ), |
1139 | FALSE, |
1140 | GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); |
1141 | |
1142 | tree_view_props[PROP_TOOLTIP_COLUMN] = |
1143 | g_param_spec_int (name: "tooltip-column" , |
1144 | P_("Tooltip Column" ), |
1145 | P_("The column in the model containing the tooltip texts for the rows" ), |
1146 | minimum: -1, G_MAXINT, |
1147 | default_value: -1, |
1148 | GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); |
1149 | |
1150 | /** |
1151 | * GtkTreeView:activate-on-single-click: |
1152 | * |
1153 | * The activate-on-single-click property specifies whether the "row-activated" signal |
1154 | * will be emitted after a single click. |
1155 | */ |
1156 | tree_view_props[PROP_ACTIVATE_ON_SINGLE_CLICK] = |
1157 | g_param_spec_boolean (name: "activate-on-single-click" , |
1158 | P_("Activate on Single Click" ), |
1159 | P_("Activate row on a single click" ), |
1160 | FALSE, |
1161 | GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); |
1162 | |
1163 | g_object_class_install_properties (oclass: o_class, n_pspecs: LAST_PROP, pspecs: tree_view_props); |
1164 | |
1165 | /* Signals */ |
1166 | /** |
1167 | * GtkTreeView::row-activated: |
1168 | * @tree_view: the object on which the signal is emitted |
1169 | * @path: the `GtkTreePath` for the activated row |
1170 | * @column: (nullable): the `GtkTreeViewColumn` in which the activation occurred |
1171 | * |
1172 | * The "row-activated" signal is emitted when the method |
1173 | * [`method@Gtk.TreeView.row_activated`] is called. |
1174 | * |
1175 | * This signal is emitted when the user double-clicks a treeview row with the |
1176 | * [property@Gtk.TreeView:activate-on-single-click] property set to %FALSE, |
1177 | * or when the user single-clicks a row when that property set to %TRUE. |
1178 | * |
1179 | * This signal is also emitted when a non-editable row is selected and one |
1180 | * of the keys: <kbd>Space</kbd>, <kbd>Shift</kbd>+<kbd>Space</kbd>, |
1181 | * <kbd>Return</kbd> or <kbd>Enter</kbd> is pressed. |
1182 | * |
1183 | * For selection handling refer to the |
1184 | * [tree widget conceptual overview](section-tree-widget.html) |
1185 | * as well as `GtkTreeSelection`. |
1186 | */ |
1187 | tree_view_signals[ROW_ACTIVATED] = |
1188 | g_signal_new (I_("row-activated" ), |
1189 | G_TYPE_FROM_CLASS (o_class), |
1190 | signal_flags: G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, |
1191 | G_STRUCT_OFFSET (GtkTreeViewClass, row_activated), |
1192 | NULL, NULL, |
1193 | c_marshaller: _gtk_marshal_VOID__BOXED_OBJECT, |
1194 | G_TYPE_NONE, n_params: 2, |
1195 | GTK_TYPE_TREE_PATH, |
1196 | GTK_TYPE_TREE_VIEW_COLUMN); |
1197 | g_signal_set_va_marshaller (signal_id: tree_view_signals[ROW_ACTIVATED], |
1198 | G_TYPE_FROM_CLASS (o_class), |
1199 | va_marshaller: _gtk_marshal_VOID__BOXED_OBJECTv); |
1200 | |
1201 | /** |
1202 | * GtkTreeView::test-expand-row: |
1203 | * @tree_view: the object on which the signal is emitted |
1204 | * @iter: the tree iter of the row to expand |
1205 | * @path: a tree path that points to the row |
1206 | * |
1207 | * The given row is about to be expanded (show its children nodes). Use this |
1208 | * signal if you need to control the expandability of individual rows. |
1209 | * |
1210 | * Returns: %FALSE to allow expansion, %TRUE to reject |
1211 | */ |
1212 | tree_view_signals[TEST_EXPAND_ROW] = |
1213 | g_signal_new (I_("test-expand-row" ), |
1214 | G_TYPE_FROM_CLASS (o_class), |
1215 | signal_flags: G_SIGNAL_RUN_LAST, |
1216 | G_STRUCT_OFFSET (GtkTreeViewClass, test_expand_row), |
1217 | accumulator: _gtk_boolean_handled_accumulator, NULL, |
1218 | c_marshaller: _gtk_marshal_BOOLEAN__BOXED_BOXED, |
1219 | G_TYPE_BOOLEAN, n_params: 2, |
1220 | GTK_TYPE_TREE_ITER, |
1221 | GTK_TYPE_TREE_PATH); |
1222 | g_signal_set_va_marshaller (signal_id: tree_view_signals[TEST_EXPAND_ROW], |
1223 | G_TYPE_FROM_CLASS (o_class), |
1224 | va_marshaller: _gtk_marshal_BOOLEAN__BOXED_BOXEDv); |
1225 | |
1226 | /** |
1227 | * GtkTreeView::test-collapse-row: |
1228 | * @tree_view: the object on which the signal is emitted |
1229 | * @iter: the tree iter of the row to collapse |
1230 | * @path: a tree path that points to the row |
1231 | * |
1232 | * The given row is about to be collapsed (hide its children nodes). Use this |
1233 | * signal if you need to control the collapsibility of individual rows. |
1234 | * |
1235 | * Returns: %FALSE to allow collapsing, %TRUE to reject |
1236 | */ |
1237 | tree_view_signals[TEST_COLLAPSE_ROW] = |
1238 | g_signal_new (I_("test-collapse-row" ), |
1239 | G_TYPE_FROM_CLASS (o_class), |
1240 | signal_flags: G_SIGNAL_RUN_LAST, |
1241 | G_STRUCT_OFFSET (GtkTreeViewClass, test_collapse_row), |
1242 | accumulator: _gtk_boolean_handled_accumulator, NULL, |
1243 | c_marshaller: _gtk_marshal_BOOLEAN__BOXED_BOXED, |
1244 | G_TYPE_BOOLEAN, n_params: 2, |
1245 | GTK_TYPE_TREE_ITER, |
1246 | GTK_TYPE_TREE_PATH); |
1247 | g_signal_set_va_marshaller (signal_id: tree_view_signals[TEST_COLLAPSE_ROW], |
1248 | G_TYPE_FROM_CLASS (o_class), |
1249 | va_marshaller: _gtk_marshal_BOOLEAN__BOXED_BOXEDv); |
1250 | |
1251 | /** |
1252 | * GtkTreeView::row-expanded: |
1253 | * @tree_view: the object on which the signal is emitted |
1254 | * @iter: the tree iter of the expanded row |
1255 | * @path: a tree path that points to the row |
1256 | * |
1257 | * The given row has been expanded (child nodes are shown). |
1258 | */ |
1259 | tree_view_signals[ROW_EXPANDED] = |
1260 | g_signal_new (I_("row-expanded" ), |
1261 | G_TYPE_FROM_CLASS (o_class), |
1262 | signal_flags: G_SIGNAL_RUN_LAST, |
1263 | G_STRUCT_OFFSET (GtkTreeViewClass, row_expanded), |
1264 | NULL, NULL, |
1265 | c_marshaller: _gtk_marshal_VOID__BOXED_BOXED, |
1266 | G_TYPE_NONE, n_params: 2, |
1267 | GTK_TYPE_TREE_ITER, |
1268 | GTK_TYPE_TREE_PATH); |
1269 | g_signal_set_va_marshaller (signal_id: tree_view_signals[ROW_EXPANDED], |
1270 | G_TYPE_FROM_CLASS (o_class), |
1271 | va_marshaller: _gtk_marshal_VOID__BOXED_BOXEDv); |
1272 | |
1273 | /** |
1274 | * GtkTreeView::row-collapsed: |
1275 | * @tree_view: the object on which the signal is emitted |
1276 | * @iter: the tree iter of the collapsed row |
1277 | * @path: a tree path that points to the row |
1278 | * |
1279 | * The given row has been collapsed (child nodes are hidden). |
1280 | */ |
1281 | tree_view_signals[ROW_COLLAPSED] = |
1282 | g_signal_new (I_("row-collapsed" ), |
1283 | G_TYPE_FROM_CLASS (o_class), |
1284 | signal_flags: G_SIGNAL_RUN_LAST, |
1285 | G_STRUCT_OFFSET (GtkTreeViewClass, row_collapsed), |
1286 | NULL, NULL, |
1287 | c_marshaller: _gtk_marshal_VOID__BOXED_BOXED, |
1288 | G_TYPE_NONE, n_params: 2, |
1289 | GTK_TYPE_TREE_ITER, |
1290 | GTK_TYPE_TREE_PATH); |
1291 | g_signal_set_va_marshaller (signal_id: tree_view_signals[ROW_COLLAPSED], |
1292 | G_TYPE_FROM_CLASS (o_class), |
1293 | va_marshaller: _gtk_marshal_VOID__BOXED_BOXEDv); |
1294 | |
1295 | /** |
1296 | * GtkTreeView::columns-changed: |
1297 | * @tree_view: the object on which the signal is emitted |
1298 | * |
1299 | * The number of columns of the treeview has changed. |
1300 | */ |
1301 | tree_view_signals[COLUMNS_CHANGED] = |
1302 | g_signal_new (I_("columns-changed" ), |
1303 | G_TYPE_FROM_CLASS (o_class), |
1304 | signal_flags: G_SIGNAL_RUN_LAST, |
1305 | G_STRUCT_OFFSET (GtkTreeViewClass, columns_changed), |
1306 | NULL, NULL, |
1307 | NULL, |
1308 | G_TYPE_NONE, n_params: 0); |
1309 | |
1310 | /** |
1311 | * GtkTreeView::cursor-changed: |
1312 | * @tree_view: the object on which the signal is emitted |
1313 | * |
1314 | * The position of the cursor (focused cell) has changed. |
1315 | */ |
1316 | tree_view_signals[CURSOR_CHANGED] = |
1317 | g_signal_new (I_("cursor-changed" ), |
1318 | G_TYPE_FROM_CLASS (o_class), |
1319 | signal_flags: G_SIGNAL_RUN_LAST, |
1320 | G_STRUCT_OFFSET (GtkTreeViewClass, cursor_changed), |
1321 | NULL, NULL, |
1322 | NULL, |
1323 | G_TYPE_NONE, n_params: 0); |
1324 | |
1325 | /** |
1326 | * GtkTreeView::move-cursor: |
1327 | * @tree_view: the object on which the signal is emitted. |
1328 | * @step: the granularity of the move, as a `GtkMovementStep`. |
1329 | * %GTK_MOVEMENT_LOGICAL_POSITIONS, %GTK_MOVEMENT_VISUAL_POSITIONS, |
1330 | * %GTK_MOVEMENT_DISPLAY_LINES, %GTK_MOVEMENT_PAGES and |
1331 | * %GTK_MOVEMENT_BUFFER_ENDS are supported. |
1332 | * %GTK_MOVEMENT_LOGICAL_POSITIONS and %GTK_MOVEMENT_VISUAL_POSITIONS |
1333 | * are treated identically. |
1334 | * @direction: the direction to move: +1 to move forwards; -1 to move |
1335 | * backwards. The resulting movement is undefined for all other values. |
1336 | * @extend: whether to extend the selection |
1337 | * @modify: whether to modify the selection |
1338 | * |
1339 | * The `GtkTreeView`::move-cursor signal is a [keybinding |
1340 | * signal][class@Gtk.SignalAction] which gets emitted when the user |
1341 | * presses one of the cursor keys. |
1342 | * |
1343 | * Applications should not connect to it, but may emit it with |
1344 | * g_signal_emit_by_name() if they need to control the cursor |
1345 | * programmatically. In contrast to gtk_tree_view_set_cursor() and |
1346 | * gtk_tree_view_set_cursor_on_cell() when moving horizontally |
1347 | * `GtkTreeView`::move-cursor does not reset the current selection. |
1348 | * |
1349 | * Returns: %TRUE if @step is supported, %FALSE otherwise. |
1350 | */ |
1351 | tree_view_signals[MOVE_CURSOR] = |
1352 | g_signal_new (I_("move-cursor" ), |
1353 | G_TYPE_FROM_CLASS (o_class), |
1354 | signal_flags: G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, |
1355 | G_STRUCT_OFFSET (GtkTreeViewClass, move_cursor), |
1356 | NULL, NULL, |
1357 | c_marshaller: _gtk_marshal_BOOLEAN__ENUM_INT_BOOLEAN_BOOLEAN, |
1358 | G_TYPE_BOOLEAN, n_params: 4, |
1359 | GTK_TYPE_MOVEMENT_STEP, |
1360 | G_TYPE_INT, |
1361 | G_TYPE_BOOLEAN, |
1362 | G_TYPE_BOOLEAN); |
1363 | g_signal_set_va_marshaller (signal_id: tree_view_signals[MOVE_CURSOR], |
1364 | G_TYPE_FROM_CLASS (o_class), |
1365 | va_marshaller: _gtk_marshal_BOOLEAN__ENUM_INT_BOOLEAN_BOOLEANv); |
1366 | |
1367 | tree_view_signals[SELECT_ALL] = |
1368 | g_signal_new (I_("select-all" ), |
1369 | G_TYPE_FROM_CLASS (o_class), |
1370 | signal_flags: G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, |
1371 | G_STRUCT_OFFSET (GtkTreeViewClass, select_all), |
1372 | NULL, NULL, |
1373 | c_marshaller: _gtk_marshal_BOOLEAN__VOID, |
1374 | G_TYPE_BOOLEAN, n_params: 0); |
1375 | g_signal_set_va_marshaller (signal_id: tree_view_signals[SELECT_ALL], |
1376 | G_TYPE_FROM_CLASS (o_class), |
1377 | va_marshaller: _gtk_marshal_BOOLEAN__VOIDv); |
1378 | |
1379 | tree_view_signals[UNSELECT_ALL] = |
1380 | g_signal_new (I_("unselect-all" ), |
1381 | G_TYPE_FROM_CLASS (o_class), |
1382 | signal_flags: G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, |
1383 | G_STRUCT_OFFSET (GtkTreeViewClass, unselect_all), |
1384 | NULL, NULL, |
1385 | c_marshaller: _gtk_marshal_BOOLEAN__VOID, |
1386 | G_TYPE_BOOLEAN, n_params: 0); |
1387 | g_signal_set_va_marshaller (signal_id: tree_view_signals[UNSELECT_ALL], |
1388 | G_TYPE_FROM_CLASS (o_class), |
1389 | va_marshaller: _gtk_marshal_BOOLEAN__VOIDv); |
1390 | |
1391 | tree_view_signals[SELECT_CURSOR_ROW] = |
1392 | g_signal_new (I_("select-cursor-row" ), |
1393 | G_TYPE_FROM_CLASS (o_class), |
1394 | signal_flags: G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, |
1395 | G_STRUCT_OFFSET (GtkTreeViewClass, select_cursor_row), |
1396 | NULL, NULL, |
1397 | c_marshaller: _gtk_marshal_BOOLEAN__BOOLEAN, |
1398 | G_TYPE_BOOLEAN, n_params: 1, |
1399 | G_TYPE_BOOLEAN); |
1400 | g_signal_set_va_marshaller (signal_id: tree_view_signals[SELECT_CURSOR_ROW], |
1401 | G_TYPE_FROM_CLASS (o_class), |
1402 | va_marshaller: _gtk_marshal_BOOLEAN__BOOLEANv); |
1403 | |
1404 | tree_view_signals[TOGGLE_CURSOR_ROW] = |
1405 | g_signal_new (I_("toggle-cursor-row" ), |
1406 | G_TYPE_FROM_CLASS (o_class), |
1407 | signal_flags: G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, |
1408 | G_STRUCT_OFFSET (GtkTreeViewClass, toggle_cursor_row), |
1409 | NULL, NULL, |
1410 | c_marshaller: _gtk_marshal_BOOLEAN__VOID, |
1411 | G_TYPE_BOOLEAN, n_params: 0); |
1412 | g_signal_set_va_marshaller (signal_id: tree_view_signals[TOGGLE_CURSOR_ROW], |
1413 | G_TYPE_FROM_CLASS (o_class), |
1414 | va_marshaller: _gtk_marshal_BOOLEAN__VOIDv); |
1415 | |
1416 | tree_view_signals[EXPAND_COLLAPSE_CURSOR_ROW] = |
1417 | g_signal_new (I_("expand-collapse-cursor-row" ), |
1418 | G_TYPE_FROM_CLASS (o_class), |
1419 | signal_flags: G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, |
1420 | G_STRUCT_OFFSET (GtkTreeViewClass, expand_collapse_cursor_row), |
1421 | NULL, NULL, |
1422 | c_marshaller: _gtk_marshal_BOOLEAN__BOOLEAN_BOOLEAN_BOOLEAN, |
1423 | G_TYPE_BOOLEAN, n_params: 3, |
1424 | G_TYPE_BOOLEAN, |
1425 | G_TYPE_BOOLEAN, |
1426 | G_TYPE_BOOLEAN); |
1427 | g_signal_set_va_marshaller (signal_id: tree_view_signals[EXPAND_COLLAPSE_CURSOR_ROW], |
1428 | G_TYPE_FROM_CLASS (o_class), |
1429 | va_marshaller: _gtk_marshal_BOOLEAN__BOOLEAN_BOOLEAN_BOOLEANv); |
1430 | |
1431 | tree_view_signals[SELECT_CURSOR_PARENT] = |
1432 | g_signal_new (I_("select-cursor-parent" ), |
1433 | G_TYPE_FROM_CLASS (o_class), |
1434 | signal_flags: G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, |
1435 | G_STRUCT_OFFSET (GtkTreeViewClass, select_cursor_parent), |
1436 | NULL, NULL, |
1437 | c_marshaller: _gtk_marshal_BOOLEAN__VOID, |
1438 | G_TYPE_BOOLEAN, n_params: 0); |
1439 | g_signal_set_va_marshaller (signal_id: tree_view_signals[SELECT_CURSOR_PARENT], |
1440 | G_TYPE_FROM_CLASS (o_class), |
1441 | va_marshaller: _gtk_marshal_BOOLEAN__VOIDv); |
1442 | |
1443 | tree_view_signals[START_INTERACTIVE_SEARCH] = |
1444 | g_signal_new (I_("start-interactive-search" ), |
1445 | G_TYPE_FROM_CLASS (o_class), |
1446 | signal_flags: G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, |
1447 | G_STRUCT_OFFSET (GtkTreeViewClass, start_interactive_search), |
1448 | NULL, NULL, |
1449 | c_marshaller: _gtk_marshal_BOOLEAN__VOID, |
1450 | G_TYPE_BOOLEAN, n_params: 0); |
1451 | g_signal_set_va_marshaller (signal_id: tree_view_signals[START_INTERACTIVE_SEARCH], |
1452 | G_TYPE_FROM_CLASS (o_class), |
1453 | va_marshaller: _gtk_marshal_BOOLEAN__VOIDv); |
1454 | |
1455 | /* Key bindings */ |
1456 | gtk_tree_view_add_move_binding (widget_class, GDK_KEY_Up, modmask: 0, TRUE, |
1457 | step: GTK_MOVEMENT_DISPLAY_LINES, count: -1); |
1458 | gtk_tree_view_add_move_binding (widget_class, GDK_KEY_KP_Up, modmask: 0, TRUE, |
1459 | step: GTK_MOVEMENT_DISPLAY_LINES, count: -1); |
1460 | |
1461 | gtk_tree_view_add_move_binding (widget_class, GDK_KEY_Down, modmask: 0, TRUE, |
1462 | step: GTK_MOVEMENT_DISPLAY_LINES, count: 1); |
1463 | gtk_tree_view_add_move_binding (widget_class, GDK_KEY_KP_Down, modmask: 0, TRUE, |
1464 | step: GTK_MOVEMENT_DISPLAY_LINES, count: 1); |
1465 | |
1466 | gtk_tree_view_add_move_binding (widget_class, GDK_KEY_p, modmask: GDK_CONTROL_MASK, FALSE, |
1467 | step: GTK_MOVEMENT_DISPLAY_LINES, count: -1); |
1468 | |
1469 | gtk_tree_view_add_move_binding (widget_class, GDK_KEY_n, modmask: GDK_CONTROL_MASK, FALSE, |
1470 | step: GTK_MOVEMENT_DISPLAY_LINES, count: 1); |
1471 | |
1472 | gtk_tree_view_add_move_binding (widget_class, GDK_KEY_Home, modmask: 0, TRUE, |
1473 | step: GTK_MOVEMENT_BUFFER_ENDS, count: -1); |
1474 | gtk_tree_view_add_move_binding (widget_class, GDK_KEY_KP_Home, modmask: 0, TRUE, |
1475 | step: GTK_MOVEMENT_BUFFER_ENDS, count: -1); |
1476 | |
1477 | gtk_tree_view_add_move_binding (widget_class, GDK_KEY_End, modmask: 0, TRUE, |
1478 | step: GTK_MOVEMENT_BUFFER_ENDS, count: 1); |
1479 | gtk_tree_view_add_move_binding (widget_class, GDK_KEY_KP_End, modmask: 0, TRUE, |
1480 | step: GTK_MOVEMENT_BUFFER_ENDS, count: 1); |
1481 | |
1482 | gtk_tree_view_add_move_binding (widget_class, GDK_KEY_Page_Up, modmask: 0, TRUE, |
1483 | step: GTK_MOVEMENT_PAGES, count: -1); |
1484 | gtk_tree_view_add_move_binding (widget_class, GDK_KEY_KP_Page_Up, modmask: 0, TRUE, |
1485 | step: GTK_MOVEMENT_PAGES, count: -1); |
1486 | |
1487 | gtk_tree_view_add_move_binding (widget_class, GDK_KEY_Page_Down, modmask: 0, TRUE, |
1488 | step: GTK_MOVEMENT_PAGES, count: 1); |
1489 | gtk_tree_view_add_move_binding (widget_class, GDK_KEY_KP_Page_Down, modmask: 0, TRUE, |
1490 | step: GTK_MOVEMENT_PAGES, count: 1); |
1491 | |
1492 | gtk_tree_view_add_move_binding (widget_class, GDK_KEY_Right, modmask: 0, FALSE, |
1493 | step: GTK_MOVEMENT_VISUAL_POSITIONS, count: 1); |
1494 | gtk_tree_view_add_move_binding (widget_class, GDK_KEY_Left, modmask: 0, FALSE, |
1495 | step: GTK_MOVEMENT_VISUAL_POSITIONS, count: -1); |
1496 | |
1497 | gtk_tree_view_add_move_binding (widget_class, GDK_KEY_KP_Right, modmask: 0, FALSE, |
1498 | step: GTK_MOVEMENT_VISUAL_POSITIONS, count: 1); |
1499 | gtk_tree_view_add_move_binding (widget_class, GDK_KEY_KP_Left, modmask: 0, FALSE, |
1500 | step: GTK_MOVEMENT_VISUAL_POSITIONS, count: -1); |
1501 | |
1502 | gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_space, mods: GDK_CONTROL_MASK, signal: "toggle-cursor-row" , NULL); |
1503 | gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_KP_Space, mods: GDK_CONTROL_MASK, signal: "toggle-cursor-row" , NULL); |
1504 | |
1505 | gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_a, mods: GDK_CONTROL_MASK, signal: "select-all" , NULL); |
1506 | gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_slash, mods: GDK_CONTROL_MASK, signal: "select-all" , NULL); |
1507 | |
1508 | gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_A, mods: GDK_CONTROL_MASK | GDK_SHIFT_MASK, signal: "unselect-all" , NULL); |
1509 | gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_backslash, mods: GDK_CONTROL_MASK, signal: "unselect-all" , NULL); |
1510 | |
1511 | gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_space, mods: GDK_SHIFT_MASK, signal: "select-cursor-row" , format_string: "(b)" , TRUE); |
1512 | gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_KP_Space, mods: GDK_SHIFT_MASK, signal: "select-cursor-row" , format_string: "(b)" , TRUE); |
1513 | |
1514 | gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_space, mods: 0, signal: "select-cursor-row" , format_string: "(b)" , TRUE); |
1515 | gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_KP_Space, mods: 0, signal: "select-cursor-row" , format_string: "(b)" , TRUE); |
1516 | gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_Return, mods: 0, signal: "select-cursor-row" , format_string: "(b)" , TRUE); |
1517 | gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_ISO_Enter, mods: 0, signal: "select-cursor-row" , format_string: "(b)" , TRUE); |
1518 | gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_KP_Enter, mods: 0, signal: "select-cursor-row" , format_string: "(b)" , TRUE); |
1519 | |
1520 | /* expand and collapse rows */ |
1521 | gtk_widget_class_add_binding_signal (widget_class, |
1522 | GDK_KEY_plus, mods: 0, |
1523 | signal: "expand-collapse-cursor-row" , |
1524 | format_string: "(bbb)" , TRUE, TRUE, FALSE); |
1525 | |
1526 | gtk_widget_class_add_binding_signal (widget_class, |
1527 | GDK_KEY_asterisk, mods: 0, |
1528 | signal: "expand-collapse-cursor-row" , |
1529 | format_string: "(bbb)" , TRUE, TRUE, TRUE); |
1530 | gtk_widget_class_add_binding_signal (widget_class, |
1531 | GDK_KEY_KP_Multiply, mods: 0, |
1532 | signal: "expand-collapse-cursor-row" , |
1533 | format_string: "(bbb)" , TRUE, TRUE, TRUE); |
1534 | |
1535 | gtk_widget_class_add_binding_signal (widget_class, |
1536 | GDK_KEY_slash, mods: 0, |
1537 | signal: "expand-collapse-cursor-row" , |
1538 | format_string: "(bbb)" , TRUE, FALSE, FALSE); |
1539 | gtk_widget_class_add_binding_signal (widget_class, |
1540 | GDK_KEY_KP_Divide, mods: 0, |
1541 | signal: "expand-collapse-cursor-row" , |
1542 | format_string: "(bbb)" , TRUE, FALSE, FALSE); |
1543 | |
1544 | /* Not doable on US keyboards */ |
1545 | gtk_widget_class_add_binding_signal (widget_class, |
1546 | GDK_KEY_plus, mods: GDK_SHIFT_MASK, |
1547 | signal: "expand-collapse-cursor-row" , |
1548 | format_string: "(bbb)" , TRUE, TRUE, TRUE); |
1549 | gtk_widget_class_add_binding_signal (widget_class, |
1550 | GDK_KEY_KP_Add, mods: 0, |
1551 | signal: "expand-collapse-cursor-row" , |
1552 | format_string: "(bbb)" , TRUE, TRUE, FALSE); |
1553 | gtk_widget_class_add_binding_signal (widget_class, |
1554 | GDK_KEY_KP_Add, mods: GDK_SHIFT_MASK, |
1555 | signal: "expand-collapse-cursor-row" , |
1556 | format_string: "(bbb)" , TRUE, TRUE, TRUE); |
1557 | gtk_widget_class_add_binding_signal (widget_class, |
1558 | GDK_KEY_KP_Add, mods: GDK_SHIFT_MASK, |
1559 | signal: "expand-collapse-cursor-row" , |
1560 | format_string: "(bbb)" , TRUE, TRUE, TRUE); |
1561 | gtk_widget_class_add_binding_signal (widget_class, |
1562 | GDK_KEY_Right, mods: GDK_SHIFT_MASK, |
1563 | signal: "expand-collapse-cursor-row" , |
1564 | format_string: "(bbb)" , FALSE, TRUE, TRUE); |
1565 | gtk_widget_class_add_binding_signal (widget_class, |
1566 | GDK_KEY_KP_Right, mods: GDK_SHIFT_MASK, |
1567 | signal: "expand-collapse-cursor-row" , |
1568 | format_string: "(bbb)" , FALSE, TRUE, TRUE); |
1569 | gtk_widget_class_add_binding_signal (widget_class, |
1570 | GDK_KEY_Right, mods: GDK_CONTROL_MASK | GDK_SHIFT_MASK, |
1571 | signal: "expand-collapse-cursor-row" , |
1572 | format_string: "(bbb)" , FALSE, TRUE, TRUE); |
1573 | gtk_widget_class_add_binding_signal (widget_class, |
1574 | GDK_KEY_KP_Right, mods: GDK_CONTROL_MASK | GDK_SHIFT_MASK, |
1575 | signal: "expand-collapse-cursor-row" , |
1576 | format_string: "(bbb)" , FALSE, TRUE, TRUE); |
1577 | |
1578 | gtk_widget_class_add_binding_signal (widget_class, |
1579 | GDK_KEY_minus, mods: 0, |
1580 | signal: "expand-collapse-cursor-row" , |
1581 | format_string: "(bbb)" , TRUE, FALSE, FALSE); |
1582 | gtk_widget_class_add_binding_signal (widget_class, |
1583 | GDK_KEY_minus, mods: GDK_SHIFT_MASK, |
1584 | signal: "expand-collapse-cursor-row" , |
1585 | format_string: "(bbb)" , TRUE, FALSE, TRUE); |
1586 | gtk_widget_class_add_binding_signal (widget_class, |
1587 | GDK_KEY_KP_Subtract, mods: 0, |
1588 | signal: "expand-collapse-cursor-row" , |
1589 | format_string: "(bbb)" , TRUE, FALSE, FALSE); |
1590 | gtk_widget_class_add_binding_signal (widget_class, |
1591 | GDK_KEY_KP_Subtract, mods: GDK_SHIFT_MASK, |
1592 | signal: "expand-collapse-cursor-row" , |
1593 | format_string: "(bbb)" , TRUE, FALSE, TRUE); |
1594 | gtk_widget_class_add_binding_signal (widget_class, |
1595 | GDK_KEY_Left, mods: GDK_SHIFT_MASK, |
1596 | signal: "expand-collapse-cursor-row" , |
1597 | format_string: "(bbb)" , FALSE, FALSE, TRUE); |
1598 | gtk_widget_class_add_binding_signal (widget_class, |
1599 | GDK_KEY_KP_Left, mods: GDK_SHIFT_MASK, |
1600 | signal: "expand-collapse-cursor-row" , |
1601 | format_string: "(bbb)" , FALSE, FALSE, TRUE); |
1602 | gtk_widget_class_add_binding_signal (widget_class, |
1603 | GDK_KEY_Left, mods: GDK_CONTROL_MASK | GDK_SHIFT_MASK, |
1604 | signal: "expand-collapse-cursor-row" , |
1605 | format_string: "(bbb)" , FALSE, FALSE, TRUE); |
1606 | gtk_widget_class_add_binding_signal (widget_class, |
1607 | GDK_KEY_KP_Left, mods: GDK_CONTROL_MASK | GDK_SHIFT_MASK, |
1608 | signal: "expand-collapse-cursor-row" , |
1609 | format_string: "(bbb)" , FALSE, FALSE, TRUE); |
1610 | |
1611 | gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_BackSpace, mods: 0, signal: "select-cursor-parent" , NULL); |
1612 | gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_BackSpace, mods: GDK_CONTROL_MASK, signal: "select-cursor-parent" , NULL); |
1613 | |
1614 | gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_f, mods: GDK_CONTROL_MASK, signal: "start-interactive-search" , NULL); |
1615 | |
1616 | gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_F, mods: GDK_CONTROL_MASK, signal: "start-interactive-search" , NULL); |
1617 | |
1618 | gtk_widget_class_set_css_name (widget_class, I_("treeview" )); |
1619 | } |
1620 | |
1621 | static void |
1622 | gtk_tree_view_init (GtkTreeView *tree_view) |
1623 | { |
1624 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
1625 | GtkCssNode *widget_node; |
1626 | GtkGesture *gesture; |
1627 | GtkEventController *controller; |
1628 | GtkEventController **controllers; |
1629 | guint n_controllers, i; |
1630 | |
1631 | gtk_widget_set_overflow (GTK_WIDGET (tree_view), overflow: GTK_OVERFLOW_HIDDEN); |
1632 | gtk_widget_set_focusable (GTK_WIDGET (tree_view), TRUE); |
1633 | |
1634 | priv->show_expanders = TRUE; |
1635 | priv->draw_keyfocus = TRUE; |
1636 | priv->headers_visible = TRUE; |
1637 | priv->activate_on_single_click = FALSE; |
1638 | |
1639 | /* We need some padding */ |
1640 | priv->dy = 0; |
1641 | priv->cursor_offset = 0; |
1642 | priv->n_columns = 0; |
1643 | priv->header_height = 1; |
1644 | priv->x_drag = 0; |
1645 | priv->drag_pos = -1; |
1646 | priv->header_has_focus = FALSE; |
1647 | priv->press_start_x = -1; |
1648 | priv->press_start_y = -1; |
1649 | priv->reorderable = FALSE; |
1650 | priv->presize_handler_tick_cb = 0; |
1651 | priv->scroll_sync_timer = 0; |
1652 | priv->fixed_height = -1; |
1653 | priv->fixed_height_mode = FALSE; |
1654 | priv->fixed_height_check = 0; |
1655 | priv->selection = _gtk_tree_selection_new_with_tree_view (tree_view); |
1656 | priv->enable_search = TRUE; |
1657 | priv->search_column = -1; |
1658 | priv->search_equal_func = gtk_tree_view_search_equal_func; |
1659 | priv->search_custom_entry_set = FALSE; |
1660 | priv->typeselect_flush_timeout = 0; |
1661 | priv->width = 0; |
1662 | priv->expander_size = -1; |
1663 | |
1664 | priv->hover_selection = FALSE; |
1665 | priv->hover_expand = FALSE; |
1666 | |
1667 | priv->level_indentation = 0; |
1668 | |
1669 | priv->rubber_banding_enable = FALSE; |
1670 | |
1671 | priv->grid_lines = GTK_TREE_VIEW_GRID_LINES_NONE; |
1672 | priv->tree_lines_enabled = FALSE; |
1673 | |
1674 | priv->tooltip_column = -1; |
1675 | |
1676 | priv->event_last_x = -10000; |
1677 | priv->event_last_y = -10000; |
1678 | |
1679 | gtk_tree_view_do_set_vadjustment (tree_view, NULL); |
1680 | gtk_tree_view_do_set_hadjustment (tree_view, NULL); |
1681 | |
1682 | gtk_widget_add_css_class (GTK_WIDGET (tree_view), css_class: "view" ); |
1683 | |
1684 | widget_node = gtk_widget_get_css_node (GTK_WIDGET (tree_view)); |
1685 | priv->header_node = gtk_css_node_new (); |
1686 | gtk_css_node_set_name (cssnode: priv->header_node, name: g_quark_from_static_string (string: "header" )); |
1687 | gtk_css_node_set_parent (cssnode: priv->header_node, parent: widget_node); |
1688 | gtk_css_node_set_state (cssnode: priv->header_node, state_flags: gtk_css_node_get_state (cssnode: widget_node)); |
1689 | g_object_unref (object: priv->header_node); |
1690 | |
1691 | controller = gtk_event_controller_key_new (); |
1692 | g_signal_connect (controller, "key-pressed" , |
1693 | G_CALLBACK (gtk_tree_view_forward_controller_key_pressed), tree_view); |
1694 | gtk_widget_add_controller (GTK_WIDGET (tree_view), controller); |
1695 | |
1696 | controllers = gtk_widget_list_controllers (GTK_WIDGET (tree_view), phase: GTK_PHASE_BUBBLE, out_n_controllers: &n_controllers); |
1697 | for (i = 0; i < n_controllers; i ++) |
1698 | { |
1699 | controller = controllers[i]; |
1700 | if (GTK_IS_SHORTCUT_CONTROLLER (controller)) |
1701 | { |
1702 | g_object_ref (controller); |
1703 | gtk_widget_remove_controller (GTK_WIDGET (tree_view), controller); |
1704 | gtk_widget_add_controller (GTK_WIDGET (tree_view), controller); |
1705 | break; |
1706 | } |
1707 | } |
1708 | g_free (mem: controllers); |
1709 | |
1710 | priv->click_gesture = gtk_gesture_click_new (); |
1711 | gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (priv->click_gesture), button: 0); |
1712 | g_signal_connect (priv->click_gesture, "pressed" , |
1713 | G_CALLBACK (gtk_tree_view_click_gesture_pressed), tree_view); |
1714 | g_signal_connect (priv->click_gesture, "released" , |
1715 | G_CALLBACK (gtk_tree_view_click_gesture_released), tree_view); |
1716 | gtk_widget_add_controller (GTK_WIDGET (tree_view), GTK_EVENT_CONTROLLER (priv->click_gesture)); |
1717 | |
1718 | gesture = gtk_gesture_click_new (); |
1719 | g_signal_connect (gesture, "pressed" , |
1720 | G_CALLBACK (gtk_tree_view_column_click_gesture_pressed), tree_view); |
1721 | gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (gesture), |
1722 | phase: GTK_PHASE_CAPTURE); |
1723 | gtk_widget_add_controller (GTK_WIDGET (tree_view), GTK_EVENT_CONTROLLER (gesture)); |
1724 | |
1725 | priv->drag_gesture = gtk_gesture_drag_new (); |
1726 | g_signal_connect (priv->drag_gesture, "drag-begin" , |
1727 | G_CALLBACK (gtk_tree_view_drag_gesture_begin), tree_view); |
1728 | g_signal_connect (priv->drag_gesture, "drag-update" , |
1729 | G_CALLBACK (gtk_tree_view_drag_gesture_update), tree_view); |
1730 | g_signal_connect (priv->drag_gesture, "drag-end" , |
1731 | G_CALLBACK (gtk_tree_view_drag_gesture_end), tree_view); |
1732 | gtk_widget_add_controller (GTK_WIDGET (tree_view), GTK_EVENT_CONTROLLER (priv->drag_gesture)); |
1733 | |
1734 | priv->column_drag_gesture = gtk_gesture_drag_new (); |
1735 | g_signal_connect (priv->column_drag_gesture, "drag-begin" , |
1736 | G_CALLBACK (gtk_tree_view_column_drag_gesture_begin), tree_view); |
1737 | g_signal_connect (priv->column_drag_gesture, "drag-update" , |
1738 | G_CALLBACK (gtk_tree_view_column_drag_gesture_update), tree_view); |
1739 | g_signal_connect (priv->column_drag_gesture, "drag-end" , |
1740 | G_CALLBACK (gtk_tree_view_column_drag_gesture_end), tree_view); |
1741 | gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (priv->column_drag_gesture), |
1742 | phase: GTK_PHASE_CAPTURE); |
1743 | gtk_widget_add_controller (GTK_WIDGET (tree_view), GTK_EVENT_CONTROLLER (priv->column_drag_gesture)); |
1744 | |
1745 | controller = gtk_event_controller_motion_new (); |
1746 | g_signal_connect (controller, "enter" , |
1747 | G_CALLBACK (gtk_tree_view_motion_controller_enter), tree_view); |
1748 | g_signal_connect (controller, "leave" , |
1749 | G_CALLBACK (gtk_tree_view_motion_controller_leave), tree_view); |
1750 | g_signal_connect (controller, "motion" , |
1751 | G_CALLBACK (gtk_tree_view_motion_controller_motion), tree_view); |
1752 | gtk_widget_add_controller (GTK_WIDGET (tree_view), controller); |
1753 | |
1754 | controller = gtk_event_controller_key_new (); |
1755 | g_signal_connect (controller, "key-pressed" , |
1756 | G_CALLBACK (gtk_tree_view_key_controller_key_pressed), tree_view); |
1757 | g_signal_connect (controller, "key-released" , |
1758 | G_CALLBACK (gtk_tree_view_key_controller_key_released), tree_view); |
1759 | gtk_widget_add_controller (GTK_WIDGET (tree_view), controller); |
1760 | |
1761 | controller = gtk_event_controller_focus_new (); |
1762 | g_signal_connect (controller, "leave" , |
1763 | G_CALLBACK (gtk_tree_view_focus_controller_focus_out), tree_view); |
1764 | gtk_widget_add_controller (GTK_WIDGET (tree_view), controller); |
1765 | } |
1766 | |
1767 | |
1768 | |
1769 | /* GObject Methods |
1770 | */ |
1771 | |
1772 | static void |
1773 | gtk_tree_view_set_property (GObject *object, |
1774 | guint prop_id, |
1775 | const GValue *value, |
1776 | GParamSpec *pspec) |
1777 | { |
1778 | GtkTreeView *tree_view = GTK_TREE_VIEW (object); |
1779 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
1780 | |
1781 | switch (prop_id) |
1782 | { |
1783 | case PROP_MODEL: |
1784 | gtk_tree_view_set_model (tree_view, model: g_value_get_object (value)); |
1785 | break; |
1786 | case PROP_HADJUSTMENT: |
1787 | gtk_tree_view_do_set_hadjustment (tree_view, adjustment: g_value_get_object (value)); |
1788 | break; |
1789 | case PROP_VADJUSTMENT: |
1790 | gtk_tree_view_do_set_vadjustment (tree_view, adjustment: g_value_get_object (value)); |
1791 | break; |
1792 | case PROP_HSCROLL_POLICY: |
1793 | if (priv->hscroll_policy != g_value_get_enum (value)) |
1794 | { |
1795 | priv->hscroll_policy = g_value_get_enum (value); |
1796 | gtk_widget_queue_resize (GTK_WIDGET (tree_view)); |
1797 | g_object_notify_by_pspec (object, pspec); |
1798 | } |
1799 | break; |
1800 | case PROP_VSCROLL_POLICY: |
1801 | if (priv->vscroll_policy != g_value_get_enum (value)) |
1802 | { |
1803 | priv->vscroll_policy = g_value_get_enum (value); |
1804 | gtk_widget_queue_resize (GTK_WIDGET (tree_view)); |
1805 | g_object_notify_by_pspec (object, pspec); |
1806 | } |
1807 | break; |
1808 | case PROP_HEADERS_VISIBLE: |
1809 | gtk_tree_view_set_headers_visible (tree_view, headers_visible: g_value_get_boolean (value)); |
1810 | break; |
1811 | case PROP_HEADERS_CLICKABLE: |
1812 | gtk_tree_view_set_headers_clickable (tree_view, setting: g_value_get_boolean (value)); |
1813 | break; |
1814 | case PROP_EXPANDER_COLUMN: |
1815 | gtk_tree_view_set_expander_column (tree_view, column: g_value_get_object (value)); |
1816 | break; |
1817 | case PROP_REORDERABLE: |
1818 | gtk_tree_view_set_reorderable (tree_view, reorderable: g_value_get_boolean (value)); |
1819 | break; |
1820 | case PROP_ENABLE_SEARCH: |
1821 | gtk_tree_view_set_enable_search (tree_view, enable_search: g_value_get_boolean (value)); |
1822 | break; |
1823 | case PROP_SEARCH_COLUMN: |
1824 | gtk_tree_view_set_search_column (tree_view, column: g_value_get_int (value)); |
1825 | break; |
1826 | case PROP_FIXED_HEIGHT_MODE: |
1827 | gtk_tree_view_set_fixed_height_mode (tree_view, enable: g_value_get_boolean (value)); |
1828 | break; |
1829 | case PROP_HOVER_SELECTION: |
1830 | if (priv->hover_selection != g_value_get_boolean (value)) |
1831 | { |
1832 | priv->hover_selection = g_value_get_boolean (value); |
1833 | g_object_notify_by_pspec (object, pspec); |
1834 | } |
1835 | break; |
1836 | case PROP_HOVER_EXPAND: |
1837 | if (priv->hover_expand != g_value_get_boolean (value)) |
1838 | { |
1839 | priv->hover_expand = g_value_get_boolean (value); |
1840 | g_object_notify_by_pspec (object, pspec); |
1841 | } |
1842 | break; |
1843 | case PROP_SHOW_EXPANDERS: |
1844 | gtk_tree_view_set_show_expanders (tree_view, enabled: g_value_get_boolean (value)); |
1845 | break; |
1846 | case PROP_LEVEL_INDENTATION: |
1847 | if (priv->level_indentation != g_value_get_int (value)) |
1848 | { |
1849 | priv->level_indentation = g_value_get_int (value); |
1850 | g_object_notify_by_pspec (object, pspec); |
1851 | } |
1852 | break; |
1853 | case PROP_RUBBER_BANDING: |
1854 | if (priv->rubber_banding_enable != g_value_get_boolean (value)) |
1855 | { |
1856 | priv->rubber_banding_enable = g_value_get_boolean (value); |
1857 | g_object_notify_by_pspec (object, pspec); |
1858 | } |
1859 | break; |
1860 | case PROP_ENABLE_GRID_LINES: |
1861 | gtk_tree_view_set_grid_lines (tree_view, grid_lines: g_value_get_enum (value)); |
1862 | break; |
1863 | case PROP_ENABLE_TREE_LINES: |
1864 | gtk_tree_view_set_enable_tree_lines (tree_view, enabled: g_value_get_boolean (value)); |
1865 | break; |
1866 | case PROP_TOOLTIP_COLUMN: |
1867 | gtk_tree_view_set_tooltip_column (tree_view, column: g_value_get_int (value)); |
1868 | break; |
1869 | case PROP_ACTIVATE_ON_SINGLE_CLICK: |
1870 | gtk_tree_view_set_activate_on_single_click (tree_view, single: g_value_get_boolean (value)); |
1871 | break; |
1872 | default: |
1873 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
1874 | break; |
1875 | } |
1876 | } |
1877 | |
1878 | static void |
1879 | gtk_tree_view_get_property (GObject *object, |
1880 | guint prop_id, |
1881 | GValue *value, |
1882 | GParamSpec *pspec) |
1883 | { |
1884 | GtkTreeView *tree_view = GTK_TREE_VIEW (object); |
1885 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
1886 | |
1887 | switch (prop_id) |
1888 | { |
1889 | case PROP_MODEL: |
1890 | g_value_set_object (value, v_object: priv->model); |
1891 | break; |
1892 | case PROP_HADJUSTMENT: |
1893 | g_value_set_object (value, v_object: priv->hadjustment); |
1894 | break; |
1895 | case PROP_VADJUSTMENT: |
1896 | g_value_set_object (value, v_object: priv->vadjustment); |
1897 | break; |
1898 | case PROP_HSCROLL_POLICY: |
1899 | g_value_set_enum (value, v_enum: priv->hscroll_policy); |
1900 | break; |
1901 | case PROP_VSCROLL_POLICY: |
1902 | g_value_set_enum (value, v_enum: priv->vscroll_policy); |
1903 | break; |
1904 | case PROP_HEADERS_VISIBLE: |
1905 | g_value_set_boolean (value, v_boolean: gtk_tree_view_get_headers_visible (tree_view)); |
1906 | break; |
1907 | case PROP_HEADERS_CLICKABLE: |
1908 | g_value_set_boolean (value, v_boolean: gtk_tree_view_get_headers_clickable (tree_view)); |
1909 | break; |
1910 | case PROP_EXPANDER_COLUMN: |
1911 | g_value_set_object (value, v_object: priv->expander_column); |
1912 | break; |
1913 | case PROP_REORDERABLE: |
1914 | g_value_set_boolean (value, v_boolean: priv->reorderable); |
1915 | break; |
1916 | case PROP_ENABLE_SEARCH: |
1917 | g_value_set_boolean (value, v_boolean: priv->enable_search); |
1918 | break; |
1919 | case PROP_SEARCH_COLUMN: |
1920 | g_value_set_int (value, v_int: priv->search_column); |
1921 | break; |
1922 | case PROP_FIXED_HEIGHT_MODE: |
1923 | g_value_set_boolean (value, v_boolean: priv->fixed_height_mode); |
1924 | break; |
1925 | case PROP_HOVER_SELECTION: |
1926 | g_value_set_boolean (value, v_boolean: priv->hover_selection); |
1927 | break; |
1928 | case PROP_HOVER_EXPAND: |
1929 | g_value_set_boolean (value, v_boolean: priv->hover_expand); |
1930 | break; |
1931 | case PROP_SHOW_EXPANDERS: |
1932 | g_value_set_boolean (value, v_boolean: priv->show_expanders); |
1933 | break; |
1934 | case PROP_LEVEL_INDENTATION: |
1935 | g_value_set_int (value, v_int: priv->level_indentation); |
1936 | break; |
1937 | case PROP_RUBBER_BANDING: |
1938 | g_value_set_boolean (value, v_boolean: priv->rubber_banding_enable); |
1939 | break; |
1940 | case PROP_ENABLE_GRID_LINES: |
1941 | g_value_set_enum (value, v_enum: priv->grid_lines); |
1942 | break; |
1943 | case PROP_ENABLE_TREE_LINES: |
1944 | g_value_set_boolean (value, v_boolean: priv->tree_lines_enabled); |
1945 | break; |
1946 | case PROP_TOOLTIP_COLUMN: |
1947 | g_value_set_int (value, v_int: priv->tooltip_column); |
1948 | break; |
1949 | case PROP_ACTIVATE_ON_SINGLE_CLICK: |
1950 | g_value_set_boolean (value, v_boolean: priv->activate_on_single_click); |
1951 | break; |
1952 | default: |
1953 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
1954 | break; |
1955 | } |
1956 | } |
1957 | |
1958 | static void |
1959 | gtk_tree_view_finalize (GObject *object) |
1960 | { |
1961 | G_OBJECT_CLASS (gtk_tree_view_parent_class)->finalize (object); |
1962 | } |
1963 | |
1964 | |
1965 | static GtkBuildableIface *parent_buildable_iface; |
1966 | |
1967 | static void |
1968 | gtk_tree_view_buildable_init (GtkBuildableIface *iface) |
1969 | { |
1970 | parent_buildable_iface = g_type_interface_peek_parent (g_iface: iface); |
1971 | iface->add_child = gtk_tree_view_buildable_add_child; |
1972 | iface->get_internal_child = gtk_tree_view_buildable_get_internal_child; |
1973 | } |
1974 | |
1975 | static void |
1976 | gtk_tree_view_buildable_add_child (GtkBuildable *tree_view, |
1977 | GtkBuilder *builder, |
1978 | GObject *child, |
1979 | const char *type) |
1980 | { |
1981 | if (GTK_IS_TREE_VIEW_COLUMN (child)) |
1982 | gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), GTK_TREE_VIEW_COLUMN (child)); |
1983 | else |
1984 | parent_buildable_iface->add_child (tree_view, builder, child, type); |
1985 | } |
1986 | |
1987 | static GObject * |
1988 | gtk_tree_view_buildable_get_internal_child (GtkBuildable *buildable, |
1989 | GtkBuilder *builder, |
1990 | const char *childname) |
1991 | { |
1992 | GtkTreeView *tree_view = GTK_TREE_VIEW (buildable); |
1993 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
1994 | |
1995 | if (strcmp (s1: childname, s2: "selection" ) == 0) |
1996 | return G_OBJECT (priv->selection); |
1997 | |
1998 | return parent_buildable_iface->get_internal_child (buildable, |
1999 | builder, |
2000 | childname); |
2001 | } |
2002 | |
2003 | /* GtkWidget Methods |
2004 | */ |
2005 | |
2006 | static void |
2007 | gtk_tree_view_free_rbtree (GtkTreeView *tree_view) |
2008 | { |
2009 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
2010 | |
2011 | gtk_tree_rbtree_free (tree: priv->tree); |
2012 | |
2013 | priv->tree = NULL; |
2014 | priv->button_pressed_node = NULL; |
2015 | priv->button_pressed_tree = NULL; |
2016 | priv->prelight_tree = NULL; |
2017 | priv->prelight_node = NULL; |
2018 | } |
2019 | |
2020 | static void |
2021 | gtk_tree_view_destroy_search_popover (GtkTreeView *tree_view) |
2022 | { |
2023 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
2024 | |
2025 | gtk_widget_unparent (widget: priv->search_popover); |
2026 | |
2027 | priv->search_popover = NULL; |
2028 | priv->search_entry = NULL; |
2029 | priv->search_entry_changed_id = 0; |
2030 | } |
2031 | |
2032 | static void |
2033 | gtk_tree_view_dispose (GObject *object) |
2034 | { |
2035 | GtkTreeView *tree_view = GTK_TREE_VIEW (object); |
2036 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
2037 | GList *list; |
2038 | |
2039 | gtk_tree_view_stop_editing (tree_view, TRUE); |
2040 | gtk_tree_view_stop_rubber_band (tree_view); |
2041 | |
2042 | if (priv->columns != NULL) |
2043 | { |
2044 | list = priv->columns; |
2045 | while (list) |
2046 | { |
2047 | GtkTreeViewColumn *column; |
2048 | column = GTK_TREE_VIEW_COLUMN (list->data); |
2049 | list = list->next; |
2050 | gtk_tree_view_remove_column (tree_view, column); |
2051 | } |
2052 | priv->columns = NULL; |
2053 | } |
2054 | |
2055 | if (priv->tree != NULL) |
2056 | { |
2057 | gtk_tree_view_unref_and_check_selection_tree (tree_view, tree: priv->tree); |
2058 | |
2059 | gtk_tree_view_free_rbtree (tree_view); |
2060 | } |
2061 | |
2062 | if (priv->selection != NULL) |
2063 | { |
2064 | _gtk_tree_selection_set_tree_view (selection: priv->selection, NULL); |
2065 | g_object_unref (object: priv->selection); |
2066 | priv->selection = NULL; |
2067 | } |
2068 | |
2069 | g_clear_pointer (&priv->scroll_to_path, gtk_tree_row_reference_free); |
2070 | g_clear_pointer (&priv->drag_dest_row, gtk_tree_row_reference_free); |
2071 | g_clear_pointer (&priv->top_row, gtk_tree_row_reference_free); |
2072 | |
2073 | if (priv->column_drop_func_data && |
2074 | priv->column_drop_func_data_destroy) |
2075 | { |
2076 | priv->column_drop_func_data_destroy (priv->column_drop_func_data); |
2077 | priv->column_drop_func_data = NULL; |
2078 | } |
2079 | |
2080 | gtk_tree_row_reference_free (reference: priv->anchor); |
2081 | priv->anchor = NULL; |
2082 | |
2083 | /* destroy interactive search dialog */ |
2084 | if (priv->search_popover) |
2085 | { |
2086 | gtk_tree_view_destroy_search_popover (tree_view); |
2087 | if (priv->typeselect_flush_timeout) |
2088 | { |
2089 | g_source_remove (tag: priv->typeselect_flush_timeout); |
2090 | priv->typeselect_flush_timeout = 0; |
2091 | } |
2092 | } |
2093 | |
2094 | if (priv->search_custom_entry_set) |
2095 | { |
2096 | GtkEventController *controller; |
2097 | |
2098 | g_signal_handlers_disconnect_by_func (priv->search_entry, |
2099 | G_CALLBACK (gtk_tree_view_search_init), |
2100 | tree_view); |
2101 | |
2102 | if (GTK_IS_ENTRY (priv->search_entry)) |
2103 | controller = gtk_entry_get_key_controller (GTK_ENTRY (priv->search_entry)); |
2104 | else |
2105 | controller = gtk_search_entry_get_key_controller (GTK_SEARCH_ENTRY (priv->search_entry)); |
2106 | g_signal_handlers_disconnect_by_func (controller, |
2107 | G_CALLBACK (gtk_tree_view_search_key_pressed), |
2108 | tree_view); |
2109 | |
2110 | g_object_unref (object: priv->search_entry); |
2111 | |
2112 | priv->search_entry = NULL; |
2113 | priv->search_custom_entry_set = FALSE; |
2114 | } |
2115 | |
2116 | if (priv->search_destroy && priv->search_user_data) |
2117 | { |
2118 | priv->search_destroy (priv->search_user_data); |
2119 | priv->search_user_data = NULL; |
2120 | } |
2121 | |
2122 | if (priv->search_position_destroy && priv->search_position_user_data) |
2123 | { |
2124 | priv->search_position_destroy (priv->search_position_user_data); |
2125 | priv->search_position_user_data = NULL; |
2126 | } |
2127 | |
2128 | if (priv->row_separator_destroy && priv->row_separator_data) |
2129 | { |
2130 | priv->row_separator_destroy (priv->row_separator_data); |
2131 | priv->row_separator_data = NULL; |
2132 | } |
2133 | |
2134 | gtk_tree_view_set_model (tree_view, NULL); |
2135 | |
2136 | g_clear_object (&priv->hadjustment); |
2137 | g_clear_object (&priv->vadjustment); |
2138 | g_clear_object (&priv->horizontal_grid_line_texture); |
2139 | g_clear_object (&priv->vertical_grid_line_texture); |
2140 | g_clear_object (&priv->horizontal_tree_line_texture); |
2141 | g_clear_object (&priv->vertical_tree_line_texture); |
2142 | |
2143 | G_OBJECT_CLASS (gtk_tree_view_parent_class)->dispose (object); |
2144 | } |
2145 | |
2146 | /* GtkWidget::map helper */ |
2147 | static void |
2148 | gtk_tree_view_map_buttons (GtkTreeView *tree_view) |
2149 | { |
2150 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
2151 | GList *list; |
2152 | |
2153 | g_return_if_fail (gtk_widget_get_mapped (GTK_WIDGET (tree_view))); |
2154 | |
2155 | if (priv->headers_visible) |
2156 | { |
2157 | GtkTreeViewColumn *column; |
2158 | GtkWidget *button; |
2159 | |
2160 | for (list = priv->columns; list; list = list->next) |
2161 | { |
2162 | column = list->data; |
2163 | button = gtk_tree_view_column_get_button (tree_column: column); |
2164 | |
2165 | if (gtk_tree_view_column_get_visible (tree_column: column) && button) |
2166 | gtk_widget_show (widget: button); |
2167 | |
2168 | if (gtk_widget_get_visible (widget: button) && |
2169 | !gtk_widget_get_mapped (widget: button)) |
2170 | gtk_widget_map (widget: button); |
2171 | } |
2172 | } |
2173 | } |
2174 | |
2175 | static void |
2176 | gtk_tree_view_map (GtkWidget *widget) |
2177 | { |
2178 | GtkTreeView *tree_view = GTK_TREE_VIEW (widget); |
2179 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
2180 | GList *tmp_list; |
2181 | |
2182 | GTK_WIDGET_CLASS (gtk_tree_view_parent_class)->map (widget); |
2183 | |
2184 | tmp_list = priv->children; |
2185 | while (tmp_list) |
2186 | { |
2187 | GtkTreeViewChild *child = tmp_list->data; |
2188 | tmp_list = tmp_list->next; |
2189 | |
2190 | if (gtk_widget_get_visible (widget: child->widget)) |
2191 | { |
2192 | if (!gtk_widget_get_mapped (widget: child->widget)) |
2193 | gtk_widget_map (widget: child->widget); |
2194 | } |
2195 | } |
2196 | |
2197 | gtk_tree_view_map_buttons (tree_view); |
2198 | } |
2199 | |
2200 | static void |
2201 | gtk_tree_view_realize (GtkWidget *widget) |
2202 | { |
2203 | GtkTreeView *tree_view = GTK_TREE_VIEW (widget); |
2204 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
2205 | GList *tmp_list; |
2206 | |
2207 | GTK_WIDGET_CLASS (gtk_tree_view_parent_class)->realize (widget); |
2208 | |
2209 | for (tmp_list = priv->columns; tmp_list; tmp_list = tmp_list->next) |
2210 | _gtk_tree_view_column_realize_button (GTK_TREE_VIEW_COLUMN (tmp_list->data)); |
2211 | |
2212 | /* Need to call those here, since they create GCs */ |
2213 | gtk_tree_view_set_grid_lines (tree_view, grid_lines: priv->grid_lines); |
2214 | gtk_tree_view_set_enable_tree_lines (tree_view, enabled: priv->tree_lines_enabled); |
2215 | |
2216 | install_presize_handler (tree_view); |
2217 | } |
2218 | |
2219 | static void |
2220 | gtk_tree_view_unrealize (GtkWidget *widget) |
2221 | { |
2222 | GtkTreeView *tree_view = GTK_TREE_VIEW (widget); |
2223 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
2224 | |
2225 | if (priv->scroll_timeout != 0) |
2226 | { |
2227 | g_source_remove (tag: priv->scroll_timeout); |
2228 | priv->scroll_timeout = 0; |
2229 | } |
2230 | |
2231 | if (priv->auto_expand_timeout != 0) |
2232 | { |
2233 | g_source_remove (tag: priv->auto_expand_timeout); |
2234 | priv->auto_expand_timeout = 0; |
2235 | } |
2236 | |
2237 | if (priv->open_dest_timeout != 0) |
2238 | { |
2239 | g_source_remove (tag: priv->open_dest_timeout); |
2240 | priv->open_dest_timeout = 0; |
2241 | } |
2242 | |
2243 | if (priv->presize_handler_tick_cb != 0) |
2244 | { |
2245 | gtk_widget_remove_tick_callback (widget, id: priv->presize_handler_tick_cb); |
2246 | priv->presize_handler_tick_cb = 0; |
2247 | } |
2248 | |
2249 | if (priv->validate_rows_timer != 0) |
2250 | { |
2251 | g_source_remove (tag: priv->validate_rows_timer); |
2252 | priv->validate_rows_timer = 0; |
2253 | } |
2254 | |
2255 | if (priv->scroll_sync_timer != 0) |
2256 | { |
2257 | g_source_remove (tag: priv->scroll_sync_timer); |
2258 | priv->scroll_sync_timer = 0; |
2259 | } |
2260 | |
2261 | if (priv->typeselect_flush_timeout) |
2262 | { |
2263 | g_source_remove (tag: priv->typeselect_flush_timeout); |
2264 | priv->typeselect_flush_timeout = 0; |
2265 | } |
2266 | |
2267 | GTK_WIDGET_CLASS (gtk_tree_view_parent_class)->unrealize (widget); |
2268 | } |
2269 | |
2270 | static void |
2271 | gtk_tree_view_unroot (GtkWidget *widget) |
2272 | { |
2273 | GtkTreeView *tree_view = GTK_TREE_VIEW (widget); |
2274 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
2275 | |
2276 | /* break ref cycles */ |
2277 | g_clear_pointer (&priv->scroll_to_path, gtk_tree_row_reference_free); |
2278 | g_clear_pointer (&priv->drag_dest_row, gtk_tree_row_reference_free); |
2279 | g_clear_pointer (&priv->top_row, gtk_tree_row_reference_free); |
2280 | |
2281 | GTK_WIDGET_CLASS (gtk_tree_view_parent_class)->unroot (widget); |
2282 | } |
2283 | |
2284 | /* GtkWidget::get_preferred_height helper */ |
2285 | static void |
2286 | gtk_tree_view_update_height (GtkTreeView *tree_view) |
2287 | { |
2288 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
2289 | GList *list; |
2290 | |
2291 | priv->header_height = 0; |
2292 | |
2293 | for (list = priv->columns; list; list = list->next) |
2294 | { |
2295 | GtkRequisition requisition; |
2296 | GtkTreeViewColumn *column = list->data; |
2297 | GtkWidget *button = gtk_tree_view_column_get_button (tree_column: column); |
2298 | |
2299 | if (button == NULL) |
2300 | continue; |
2301 | |
2302 | gtk_widget_get_preferred_size (widget: button, minimum_size: &requisition, NULL); |
2303 | priv->header_height = MAX (priv->header_height, requisition.height); |
2304 | } |
2305 | } |
2306 | |
2307 | static int |
2308 | gtk_tree_view_get_height (GtkTreeView *tree_view) |
2309 | { |
2310 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
2311 | |
2312 | if (priv->tree == NULL) |
2313 | return 0; |
2314 | else |
2315 | return priv->tree->root->offset; |
2316 | } |
2317 | |
2318 | static void |
2319 | gtk_tree_view_measure (GtkWidget *widget, |
2320 | GtkOrientation orientation, |
2321 | int for_size, |
2322 | int *minimum, |
2323 | int *natural, |
2324 | int *minimum_baseline, |
2325 | int *natural_baseline) |
2326 | { |
2327 | GtkTreeView *tree_view = GTK_TREE_VIEW (widget); |
2328 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
2329 | |
2330 | if (orientation == GTK_ORIENTATION_HORIZONTAL) |
2331 | { |
2332 | GList *list; |
2333 | GtkTreeViewColumn *column; |
2334 | int width = 0; |
2335 | |
2336 | /* we validate some rows initially just to make sure we have some size. |
2337 | * In practice, with a lot of static lists, this should get a good width. |
2338 | */ |
2339 | do_validate_rows (tree_view, FALSE); |
2340 | |
2341 | /* keep this in sync with size_allocate below */ |
2342 | for (list = priv->columns; list; list = list->next) |
2343 | { |
2344 | column = list->data; |
2345 | if (!gtk_tree_view_column_get_visible (tree_column: column) || column == priv->drag_column) |
2346 | continue; |
2347 | |
2348 | width += _gtk_tree_view_column_request_width (tree_column: column); |
2349 | } |
2350 | |
2351 | *minimum = *natural = width; |
2352 | } |
2353 | else /* VERTICAL */ |
2354 | { |
2355 | int height; |
2356 | |
2357 | gtk_tree_view_update_height (tree_view); |
2358 | height = gtk_tree_view_get_height (tree_view) + gtk_tree_view_get_effective_header_height (tree_view); |
2359 | |
2360 | *minimum = *natural = height; |
2361 | } |
2362 | } |
2363 | |
2364 | static int |
2365 | gtk_tree_view_calculate_width_before_expander (GtkTreeView *tree_view) |
2366 | { |
2367 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
2368 | int width = 0; |
2369 | GList *list; |
2370 | gboolean rtl; |
2371 | |
2372 | rtl = (_gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); |
2373 | for (list = (rtl ? g_list_last (list: priv->columns) : g_list_first (list: priv->columns)); |
2374 | list->data != priv->expander_column; |
2375 | list = (rtl ? list->prev : list->next)) |
2376 | { |
2377 | GtkTreeViewColumn *column = list->data; |
2378 | |
2379 | width += gtk_tree_view_column_get_width (tree_column: column); |
2380 | } |
2381 | |
2382 | return width; |
2383 | } |
2384 | |
2385 | /* GtkWidget::size_allocate helper */ |
2386 | static void |
2387 | gtk_tree_view_size_allocate_columns (GtkWidget *widget) |
2388 | { |
2389 | GtkTreeView *tree_view = GTK_TREE_VIEW (widget); |
2390 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
2391 | const int x_offset = - gtk_adjustment_get_value (adjustment: priv->hadjustment); |
2392 | GList *list, *first_column, *last_column; |
2393 | GtkTreeViewColumn *column; |
2394 | int widget_width, width = 0; |
2395 | int , extra_per_column; |
2396 | int full_requested_width = 0; |
2397 | int number_of_expand_columns = 0; |
2398 | gboolean rtl; |
2399 | |
2400 | for (last_column = g_list_last (list: priv->columns); |
2401 | last_column && |
2402 | !(gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (last_column->data))); |
2403 | last_column = last_column->prev) |
2404 | ; |
2405 | if (last_column == NULL) |
2406 | return; |
2407 | |
2408 | for (first_column = g_list_first (list: priv->columns); |
2409 | first_column && |
2410 | !(gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (first_column->data))); |
2411 | first_column = first_column->next) |
2412 | ; |
2413 | |
2414 | if (first_column == NULL) |
2415 | return; |
2416 | |
2417 | rtl = (_gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL); |
2418 | |
2419 | /* find out how many extra space and expandable columns we have */ |
2420 | for (list = priv->columns; list != last_column->next; list = list->next) |
2421 | { |
2422 | column = (GtkTreeViewColumn *)list->data; |
2423 | |
2424 | if (!gtk_tree_view_column_get_visible (tree_column: column) || column == priv->drag_column) |
2425 | continue; |
2426 | |
2427 | full_requested_width += _gtk_tree_view_column_request_width (tree_column: column); |
2428 | |
2429 | if (gtk_tree_view_column_get_expand (tree_column: column)) |
2430 | number_of_expand_columns++; |
2431 | } |
2432 | |
2433 | widget_width = gtk_widget_get_width (widget); |
2434 | extra = MAX (widget_width - full_requested_width, 0); |
2435 | |
2436 | if (number_of_expand_columns > 0) |
2437 | extra_per_column = extra/number_of_expand_columns; |
2438 | else |
2439 | extra_per_column = 0; |
2440 | |
2441 | for (list = first_column; |
2442 | list != last_column->next; |
2443 | list = list->next) |
2444 | { |
2445 | int column_width; |
2446 | |
2447 | column = list->data; |
2448 | column_width = _gtk_tree_view_column_request_width (tree_column: column); |
2449 | |
2450 | if (!gtk_tree_view_column_get_visible (tree_column: column)) |
2451 | continue; |
2452 | |
2453 | if (column == priv->drag_column) |
2454 | goto next; |
2455 | |
2456 | if (gtk_tree_view_column_get_expand (tree_column: column)) |
2457 | { |
2458 | if (number_of_expand_columns == 1) |
2459 | { |
2460 | /* We add the remander to the last column as |
2461 | * */ |
2462 | column_width += extra; |
2463 | } |
2464 | else |
2465 | { |
2466 | column_width += extra_per_column; |
2467 | extra -= extra_per_column; |
2468 | number_of_expand_columns --; |
2469 | } |
2470 | } |
2471 | else if (number_of_expand_columns == 0 && |
2472 | list == last_column) |
2473 | { |
2474 | column_width += extra; |
2475 | } |
2476 | |
2477 | if (rtl) |
2478 | _gtk_tree_view_column_allocate (tree_column: column, x_offset: widget_width - width - column_width + x_offset, |
2479 | width: column_width, height: priv->header_height); |
2480 | else |
2481 | _gtk_tree_view_column_allocate (tree_column: column, x_offset: width + x_offset, |
2482 | width: column_width, height: priv->header_height); |
2483 | next: |
2484 | width += column_width; |
2485 | } |
2486 | |
2487 | /* We change the width here. The user might have been resizing columns, |
2488 | * which changes the total width of the tree view. This is of |
2489 | * importance for getting the horizontal scroll bar right. |
2490 | */ |
2491 | priv->width = width; |
2492 | } |
2493 | |
2494 | /* GtkWidget::size_allocate helper */ |
2495 | static void |
2496 | gtk_tree_view_size_allocate_drag_column (GtkWidget *widget) |
2497 | { |
2498 | GtkTreeView *tree_view = GTK_TREE_VIEW (widget); |
2499 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
2500 | GtkAllocation allocation; |
2501 | int baseline; |
2502 | GtkWidget *button; |
2503 | |
2504 | if (priv->drag_column == NULL) |
2505 | return; |
2506 | |
2507 | button = gtk_tree_view_column_get_button (tree_column: priv->drag_column); |
2508 | |
2509 | allocation.x = priv->drag_column_x; |
2510 | allocation.y = priv->drag_column_y; |
2511 | allocation.width = gtk_widget_get_allocated_width (widget: button); |
2512 | allocation.height = gtk_widget_get_allocated_height (widget: button); |
2513 | baseline = gtk_widget_get_allocated_baseline (widget: button); |
2514 | |
2515 | gtk_widget_size_allocate (widget: button, allocation: &allocation, baseline); |
2516 | } |
2517 | |
2518 | static void |
2519 | gtk_tree_view_size_allocate (GtkWidget *widget, |
2520 | int width, |
2521 | int height, |
2522 | int baseline) |
2523 | { |
2524 | GtkTreeView *tree_view = GTK_TREE_VIEW (widget); |
2525 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
2526 | GList *tmp_list; |
2527 | double page_size; |
2528 | |
2529 | /* We allocate the columns first because the width of the |
2530 | * tree view (used in updating the adjustments below) might change. |
2531 | */ |
2532 | gtk_tree_view_size_allocate_columns (widget); |
2533 | gtk_tree_view_size_allocate_drag_column (widget); |
2534 | |
2535 | page_size = gtk_adjustment_get_page_size (adjustment: priv->vadjustment); |
2536 | gtk_adjustment_configure (adjustment: priv->hadjustment, |
2537 | value: gtk_adjustment_get_value (adjustment: priv->hadjustment) + |
2538 | (_gtk_widget_get_direction(widget) == GTK_TEXT_DIR_RTL ? width - page_size : 0), |
2539 | lower: 0, |
2540 | MAX (width, priv->width), |
2541 | step_increment: width * 0.1, |
2542 | page_increment: width * 0.9, |
2543 | page_size: width); |
2544 | |
2545 | page_size = height - gtk_tree_view_get_effective_header_height (tree_view); |
2546 | gtk_adjustment_configure (adjustment: priv->vadjustment, |
2547 | value: gtk_adjustment_get_value (adjustment: priv->vadjustment), |
2548 | lower: 0, |
2549 | MAX (page_size, gtk_tree_view_get_height (tree_view)), |
2550 | step_increment: page_size * 0.1, |
2551 | page_increment: page_size * 0.9, |
2552 | page_size); |
2553 | |
2554 | /* now the adjustments and window sizes are in sync, we can sync toprow/dy again */ |
2555 | if (gtk_tree_row_reference_valid (reference: priv->top_row)) |
2556 | gtk_tree_view_top_row_to_dy (tree_view); |
2557 | else |
2558 | gtk_tree_view_dy_to_top_row (tree_view); |
2559 | |
2560 | if (gtk_widget_get_realized (widget)) |
2561 | { |
2562 | if (priv->tree == NULL) |
2563 | invalidate_empty_focus (tree_view); |
2564 | |
2565 | if (priv->expander_column) |
2566 | { |
2567 | /* Might seem awkward, but is the best heuristic I could come up |
2568 | * with. Only if the width of the columns before the expander |
2569 | * changes, we will update the prelight status. It is this |
2570 | * width that makes the expander move vertically. Always updating |
2571 | * prelight status causes trouble with hover selections. |
2572 | */ |
2573 | int width_before_expander; |
2574 | |
2575 | width_before_expander = gtk_tree_view_calculate_width_before_expander (tree_view); |
2576 | |
2577 | if (priv->prev_width_before_expander |
2578 | != width_before_expander) |
2579 | update_prelight (tree_view, |
2580 | x: priv->event_last_x, |
2581 | y: priv->event_last_y); |
2582 | |
2583 | priv->prev_width_before_expander = width_before_expander; |
2584 | } |
2585 | } |
2586 | |
2587 | for (tmp_list = priv->children; tmp_list; tmp_list = tmp_list->next) |
2588 | { |
2589 | GtkTreeViewChild *child = tmp_list->data; |
2590 | GtkTreePath *path; |
2591 | GdkRectangle child_rect; |
2592 | int min_x, max_x, min_y, max_y; |
2593 | int size; |
2594 | GtkTextDirection direction; |
2595 | |
2596 | direction = _gtk_widget_get_direction (widget: child->widget); |
2597 | path = _gtk_tree_path_new_from_rbtree (tree: child->tree, node: child->node); |
2598 | gtk_tree_view_get_cell_area (tree_view, path, column: child->column, rect: &child_rect); |
2599 | child_rect.x += child->border.left; |
2600 | child_rect.y += child->border.top; |
2601 | child_rect.width -= child->border.left + child->border.right; |
2602 | child_rect.height -= child->border.top + child->border.bottom; |
2603 | |
2604 | gtk_widget_measure (GTK_WIDGET (child->widget), orientation: GTK_ORIENTATION_HORIZONTAL, for_size: -1, |
2605 | minimum: &size, NULL, NULL, NULL); |
2606 | |
2607 | if (size > child_rect.width) |
2608 | { |
2609 | /* Enlarge the child, extending it to the left (RTL) */ |
2610 | if (direction == GTK_TEXT_DIR_RTL) |
2611 | child_rect.x -= (size - child_rect.width); |
2612 | /* or to the right (LTR) */ |
2613 | else |
2614 | child_rect.x += 0; |
2615 | |
2616 | child_rect.width = size; |
2617 | } |
2618 | |
2619 | gtk_widget_measure (GTK_WIDGET (child->widget), orientation: GTK_ORIENTATION_VERTICAL, |
2620 | for_size: child_rect.width, |
2621 | minimum: &size, NULL, |
2622 | NULL, NULL); |
2623 | if (size > child_rect.height) |
2624 | { |
2625 | /* Enlarge the child, extending in both directions equally */ |
2626 | child_rect.y -= (size - child_rect.height) / 2; |
2627 | child_rect.height = size; |
2628 | } |
2629 | |
2630 | /* push the rect back in the visible area if needed, |
2631 | * preferring the top left corner (for RTL) |
2632 | * or top right corner (for LTR) |
2633 | */ |
2634 | min_x = 0; |
2635 | max_x = min_x + width - child_rect.width; |
2636 | min_y = 0; |
2637 | max_y = min_y + height - gtk_tree_view_get_effective_header_height (tree_view) - child_rect.height; |
2638 | |
2639 | if (direction == GTK_TEXT_DIR_LTR) |
2640 | /* Ensure that child's right edge is not sticking to the right |
2641 | * (if (child_rect.x > max_x) child_rect.x = max_x), |
2642 | * then ensure that child's left edge is visible and is not sticking to the left |
2643 | * (if (child_rect.x < min_x) child_rect.x = min_x). |
2644 | */ |
2645 | child_rect.x = MAX (min_x, MIN (max_x, child_rect.x)); |
2646 | else |
2647 | /* Ensure that child's left edge is not sticking to the left |
2648 | * (if (child_rect.x < min_x) child_rect.x = min_x), |
2649 | * then ensure that child's right edge is visible and is not sticking to the right |
2650 | * (if (child_rect.x > max_x) child_rect.x = max_x). |
2651 | */ |
2652 | child_rect.x = MIN (max_x, MAX (min_x, child_rect.x)); |
2653 | |
2654 | child_rect.y = MAX (min_y, MIN (max_y, child_rect.y)); |
2655 | |
2656 | gtk_tree_path_free (path); |
2657 | gtk_widget_size_allocate (widget: child->widget, allocation: &child_rect, baseline: -1); |
2658 | } |
2659 | |
2660 | if (priv->search_popover) |
2661 | gtk_popover_present (GTK_POPOVER (priv->search_popover)); |
2662 | } |
2663 | |
2664 | /* Grabs the focus and unsets the GTK_TREE_VIEW_DRAW_KEYFOCUS flag */ |
2665 | static void |
2666 | grab_focus_and_unset_draw_keyfocus (GtkTreeView *tree_view) |
2667 | { |
2668 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
2669 | GtkWidget *widget = GTK_WIDGET (tree_view); |
2670 | |
2671 | if (gtk_widget_get_focusable (widget) && |
2672 | !gtk_widget_has_focus (widget)) |
2673 | gtk_widget_grab_focus (widget); |
2674 | |
2675 | priv->draw_keyfocus = 0; |
2676 | } |
2677 | |
2678 | static inline gboolean |
2679 | row_is_separator (GtkTreeView *tree_view, |
2680 | GtkTreeIter *iter, |
2681 | GtkTreePath *path) |
2682 | { |
2683 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
2684 | gboolean is_separator = FALSE; |
2685 | |
2686 | if (priv->row_separator_func) |
2687 | { |
2688 | GtkTreeIter tmpiter; |
2689 | |
2690 | if (iter) |
2691 | tmpiter = *iter; |
2692 | else |
2693 | { |
2694 | if (!gtk_tree_model_get_iter (tree_model: priv->model, iter: &tmpiter, path)) |
2695 | return FALSE; |
2696 | } |
2697 | |
2698 | is_separator = priv->row_separator_func (priv->model, |
2699 | &tmpiter, |
2700 | priv->row_separator_data); |
2701 | } |
2702 | |
2703 | return is_separator; |
2704 | } |
2705 | |
2706 | static int |
2707 | gtk_tree_view_get_expander_size (GtkTreeView *tree_view) |
2708 | { |
2709 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
2710 | GtkStyleContext *context; |
2711 | GtkCssStyle *style; |
2712 | int min_width; |
2713 | int min_height; |
2714 | int expander_size; |
2715 | |
2716 | if (priv->expander_size != -1) |
2717 | return priv->expander_size; |
2718 | |
2719 | context = gtk_widget_get_style_context (GTK_WIDGET (tree_view)); |
2720 | gtk_style_context_save (context); |
2721 | gtk_style_context_add_class (context, class_name: "expander" ); |
2722 | |
2723 | style = gtk_style_context_lookup_style (context); |
2724 | min_width = _gtk_css_number_value_get (number: style->size->min_width, one_hundred_percent: 100); |
2725 | min_height = _gtk_css_number_value_get (number: style->size->min_height, one_hundred_percent: 100); |
2726 | |
2727 | gtk_style_context_restore (context); |
2728 | |
2729 | expander_size = MAX (min_width, min_height); |
2730 | |
2731 | priv->expander_size = expander_size + (_TREE_VIEW_HORIZONTAL_SEPARATOR / 2); |
2732 | |
2733 | return priv->expander_size; |
2734 | } |
2735 | |
2736 | static void |
2737 | get_current_selection_modifiers (GtkEventController *controller, |
2738 | gboolean *modify, |
2739 | gboolean *extend) |
2740 | { |
2741 | GdkModifierType state; |
2742 | |
2743 | state = gtk_event_controller_get_current_event_state (controller); |
2744 | *modify = (state & GDK_CONTROL_MASK) != 0; |
2745 | *extend = (state & GDK_SHIFT_MASK) != 0; |
2746 | } |
2747 | |
2748 | static void |
2749 | gtk_tree_view_click_gesture_pressed (GtkGestureClick *gesture, |
2750 | int n_press, |
2751 | double x, |
2752 | double y, |
2753 | GtkTreeView *tree_view) |
2754 | { |
2755 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
2756 | GtkWidget *widget = GTK_WIDGET (tree_view); |
2757 | GdkRectangle background_area, cell_area; |
2758 | GtkTreeViewColumn *column = NULL; |
2759 | GdkEventSequence *sequence; |
2760 | GdkModifierType modifiers; |
2761 | GdkEvent *event; |
2762 | int new_y, y_offset; |
2763 | int bin_x, bin_y; |
2764 | GtkTreePath *path; |
2765 | GtkTreeRBNode *node; |
2766 | GtkTreeRBTree *tree; |
2767 | int depth; |
2768 | guint button; |
2769 | GList *list; |
2770 | gboolean rtl; |
2771 | GtkWidget *target; |
2772 | |
2773 | gtk_tree_view_convert_widget_to_bin_window_coords (tree_view, wx: x, wy: y, |
2774 | bx: &bin_x, by: &bin_y); |
2775 | |
2776 | /* Are we clicking a column header? */ |
2777 | if (bin_y < 0) |
2778 | return; |
2779 | |
2780 | /* check if this is a click in a child widget */ |
2781 | target = gtk_event_controller_get_target (GTK_EVENT_CONTROLLER (gesture)); |
2782 | if (gtk_widget_is_ancestor (widget: target, ancestor: widget)) |
2783 | return; |
2784 | |
2785 | gtk_tree_view_stop_editing (tree_view, FALSE); |
2786 | button = gtk_gesture_single_get_current_button (GTK_GESTURE_SINGLE (gesture)); |
2787 | sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture)); |
2788 | |
2789 | if (button > 3) |
2790 | { |
2791 | gtk_gesture_set_state (GTK_GESTURE (gesture), state: GTK_EVENT_SEQUENCE_DENIED); |
2792 | return; |
2793 | } |
2794 | |
2795 | if (n_press > 1) |
2796 | gtk_gesture_set_state (gesture: priv->drag_gesture, |
2797 | state: GTK_EVENT_SEQUENCE_DENIED); |
2798 | |
2799 | /* Empty tree? */ |
2800 | if (priv->tree == NULL) |
2801 | { |
2802 | grab_focus_and_unset_draw_keyfocus (tree_view); |
2803 | return; |
2804 | } |
2805 | |
2806 | if (sequence) |
2807 | update_prelight (tree_view, x, y); |
2808 | |
2809 | /* are we in an arrow? */ |
2810 | if (priv->prelight_node && |
2811 | priv->arrow_prelit && |
2812 | gtk_tree_view_draw_expanders (tree_view)) |
2813 | { |
2814 | if (button == GDK_BUTTON_PRIMARY) |
2815 | { |
2816 | priv->button_pressed_node = priv->prelight_node; |
2817 | priv->button_pressed_tree = priv->prelight_tree; |
2818 | gtk_widget_queue_draw (widget); |
2819 | } |
2820 | |
2821 | grab_focus_and_unset_draw_keyfocus (tree_view); |
2822 | gtk_gesture_set_state (GTK_GESTURE (gesture), state: GTK_EVENT_SEQUENCE_CLAIMED); |
2823 | return; |
2824 | } |
2825 | |
2826 | /* find the node that was clicked */ |
2827 | new_y = TREE_WINDOW_Y_TO_RBTREE_Y(priv, bin_y); |
2828 | if (new_y < 0) |
2829 | new_y = 0; |
2830 | y_offset = -gtk_tree_rbtree_find_offset (tree: priv->tree, offset: new_y, new_tree: &tree, new_node: &node); |
2831 | |
2832 | if (node == NULL) |
2833 | { |
2834 | /* We clicked in dead space */ |
2835 | grab_focus_and_unset_draw_keyfocus (tree_view); |
2836 | return; |
2837 | } |
2838 | |
2839 | /* Get the path and the node */ |
2840 | path = _gtk_tree_path_new_from_rbtree (tree, node); |
2841 | |
2842 | if (row_is_separator (tree_view, NULL, path)) |
2843 | { |
2844 | gtk_tree_path_free (path); |
2845 | grab_focus_and_unset_draw_keyfocus (tree_view); |
2846 | return; |
2847 | } |
2848 | |
2849 | depth = gtk_tree_path_get_depth (path); |
2850 | background_area.y = y_offset + bin_y; |
2851 | background_area.height = gtk_tree_view_get_row_height (tree_view, node); |
2852 | background_area.x = 0; |
2853 | |
2854 | gtk_tree_view_convert_bin_window_to_widget_coords (tree_view, |
2855 | bx: background_area.x, |
2856 | by: background_area.y, |
2857 | wx: &background_area.x, |
2858 | wy: &background_area.y); |
2859 | |
2860 | /* Let the column have a chance at selecting it. */ |
2861 | rtl = (_gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL); |
2862 | for (list = (rtl ? g_list_last (list: priv->columns) : g_list_first (list: priv->columns)); |
2863 | list; list = (rtl ? list->prev : list->next)) |
2864 | { |
2865 | GtkTreeViewColumn *candidate = list->data; |
2866 | |
2867 | if (!gtk_tree_view_column_get_visible (tree_column: candidate)) |
2868 | continue; |
2869 | |
2870 | background_area.width = gtk_tree_view_column_get_width (tree_column: candidate); |
2871 | if ((background_area.x > x) || |
2872 | (background_area.x + background_area.width <= x)) |
2873 | { |
2874 | background_area.x += background_area.width; |
2875 | continue; |
2876 | } |
2877 | |
2878 | /* we found the focus column */ |
2879 | column = candidate; |
2880 | cell_area = background_area; |
2881 | cell_area.width -= _TREE_VIEW_HORIZONTAL_SEPARATOR; |
2882 | cell_area.x += _TREE_VIEW_HORIZONTAL_SEPARATOR / 2; |
2883 | if (gtk_tree_view_is_expander_column (tree_view, column)) |
2884 | { |
2885 | if (!rtl) |
2886 | cell_area.x += (depth - 1) * priv->level_indentation; |
2887 | cell_area.width -= (depth - 1) * priv->level_indentation; |
2888 | |
2889 | if (gtk_tree_view_draw_expanders (tree_view)) |
2890 | { |
2891 | int expander_size = gtk_tree_view_get_expander_size (tree_view); |
2892 | if (!rtl) |
2893 | cell_area.x += depth * expander_size; |
2894 | cell_area.width -= depth * expander_size; |
2895 | } |
2896 | } |
2897 | break; |
2898 | } |
2899 | |
2900 | if (column == NULL) |
2901 | { |
2902 | gtk_tree_path_free (path); |
2903 | grab_focus_and_unset_draw_keyfocus (tree_view); |
2904 | gtk_gesture_set_state (GTK_GESTURE (gesture), state: GTK_EVENT_SEQUENCE_DENIED); |
2905 | return; |
2906 | } |
2907 | |
2908 | _gtk_tree_view_set_focus_column (tree_view, column); |
2909 | |
2910 | event = gtk_gesture_get_last_event (GTK_GESTURE (gesture), sequence); |
2911 | modifiers = gdk_event_get_modifier_state (event); |
2912 | |
2913 | /* decide if we edit */ |
2914 | if (button == GDK_BUTTON_PRIMARY && |
2915 | !(modifiers & gtk_accelerator_get_default_mod_mask ())) |
2916 | { |
2917 | GtkTreePath *anchor; |
2918 | GtkTreeIter iter; |
2919 | |
2920 | gtk_tree_model_get_iter (tree_model: priv->model, iter: &iter, path); |
2921 | gtk_tree_view_column_cell_set_cell_data (tree_column: column, |
2922 | tree_model: priv->model, |
2923 | iter: &iter, |
2924 | GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_PARENT), |
2925 | is_expanded: node->children?TRUE:FALSE); |
2926 | |
2927 | if (priv->anchor) |
2928 | anchor = gtk_tree_row_reference_get_path (reference: priv->anchor); |
2929 | else |
2930 | anchor = NULL; |
2931 | |
2932 | if ((anchor && !gtk_tree_path_compare (a: anchor, b: path)) |
2933 | || !_gtk_tree_view_column_has_editable_cell (column)) |
2934 | { |
2935 | GtkCellEditable *cell_editable = NULL; |
2936 | |
2937 | /* FIXME: get the right flags */ |
2938 | guint flags = 0; |
2939 | |
2940 | if (_gtk_tree_view_column_cell_event (tree_column: column, |
2941 | event: (GdkEvent *)event, |
2942 | cell_area: &cell_area, flags)) |
2943 | { |
2944 | GtkCellArea *area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (column)); |
2945 | cell_editable = gtk_cell_area_get_edit_widget (area); |
2946 | gtk_gesture_set_state (GTK_GESTURE (gesture), state: GTK_EVENT_SEQUENCE_CLAIMED); |
2947 | |
2948 | if (cell_editable != NULL) |
2949 | { |
2950 | gtk_tree_path_free (path); |
2951 | gtk_tree_path_free (path: anchor); |
2952 | return; |
2953 | } |
2954 | } |
2955 | } |
2956 | if (anchor) |
2957 | gtk_tree_path_free (path: anchor); |
2958 | } |
2959 | |
2960 | /* we only handle selection modifications on the first button press |
2961 | */ |
2962 | if (n_press == 1) |
2963 | { |
2964 | GtkCellRenderer *focus_cell; |
2965 | gboolean modify, extend; |
2966 | |
2967 | get_current_selection_modifiers (GTK_EVENT_CONTROLLER (gesture), modify: &modify, extend: &extend); |
2968 | priv->modify_selection_pressed = modify; |
2969 | priv->extend_selection_pressed = extend; |
2970 | |
2971 | /* We update the focus cell here, this is also needed if the |
2972 | * column does not contain an editable cell. In this case, |
2973 | * GtkCellArea did not receive the event for processing (and |
2974 | * could not update the focus cell). |
2975 | */ |
2976 | focus_cell = _gtk_tree_view_column_get_cell_at_pos (column, |
2977 | cell_area: &cell_area, |
2978 | background_area: &background_area, |
2979 | x, y); |
2980 | |
2981 | if (focus_cell) |
2982 | gtk_tree_view_column_focus_cell (tree_column: column, cell: focus_cell); |
2983 | |
2984 | if (modify) |
2985 | { |
2986 | gtk_tree_view_real_set_cursor (tree_view, path, flags: CLAMP_NODE); |
2987 | gtk_tree_view_real_toggle_cursor_row (tree_view); |
2988 | } |
2989 | else if (extend) |
2990 | { |
2991 | gtk_tree_view_real_set_cursor (tree_view, path, flags: CLAMP_NODE); |
2992 | gtk_tree_view_real_select_cursor_row (tree_view, FALSE); |
2993 | } |
2994 | else |
2995 | { |
2996 | gtk_tree_view_real_set_cursor (tree_view, path, flags: CLEAR_AND_SELECT | CLAMP_NODE); |
2997 | } |
2998 | |
2999 | priv->modify_selection_pressed = FALSE; |
3000 | priv->extend_selection_pressed = FALSE; |
3001 | } |
3002 | |
3003 | if (button == GDK_BUTTON_PRIMARY && n_press == 2) |
3004 | { |
3005 | gtk_tree_view_row_activated (tree_view, path, column); |
3006 | gtk_gesture_set_state (GTK_GESTURE (gesture), state: GTK_EVENT_SEQUENCE_CLAIMED); |
3007 | } |
3008 | else |
3009 | { |
3010 | if (n_press == 1) |
3011 | { |
3012 | priv->button_pressed_node = priv->prelight_node; |
3013 | priv->button_pressed_tree = priv->prelight_tree; |
3014 | } |
3015 | |
3016 | grab_focus_and_unset_draw_keyfocus (tree_view); |
3017 | } |
3018 | |
3019 | gtk_tree_path_free (path); |
3020 | |
3021 | if (n_press >= 2) |
3022 | gtk_event_controller_reset (GTK_EVENT_CONTROLLER (gesture)); |
3023 | } |
3024 | |
3025 | static void |
3026 | gtk_tree_view_drag_gesture_begin (GtkGestureDrag *gesture, |
3027 | double start_x, |
3028 | double start_y, |
3029 | GtkTreeView *tree_view) |
3030 | { |
3031 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3032 | int bin_x, bin_y; |
3033 | GtkTreeRBTree *tree; |
3034 | GtkTreeRBNode *node; |
3035 | |
3036 | if (priv->tree == NULL) |
3037 | { |
3038 | gtk_gesture_set_state (GTK_GESTURE (gesture), state: GTK_EVENT_SEQUENCE_DENIED); |
3039 | return; |
3040 | } |
3041 | |
3042 | gtk_tree_view_convert_widget_to_bin_window_coords (tree_view, wx: start_x, wy: start_y, |
3043 | bx: &bin_x, by: &bin_y); |
3044 | |
3045 | /* Are we dragging a column header? */ |
3046 | if (bin_y < 0) |
3047 | return; |
3048 | |
3049 | priv->press_start_x = priv->rubber_band_x = bin_x; |
3050 | priv->press_start_y = priv->rubber_band_y = bin_y; |
3051 | gtk_tree_rbtree_find_offset (tree: priv->tree, offset: bin_y + priv->dy, |
3052 | new_tree: &tree, new_node: &node); |
3053 | |
3054 | if (priv->rubber_banding_enable |
3055 | && !GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_SELECTED) |
3056 | && gtk_tree_selection_get_mode (selection: priv->selection) == GTK_SELECTION_MULTIPLE) |
3057 | { |
3058 | gboolean modify, extend; |
3059 | |
3060 | priv->press_start_y += priv->dy; |
3061 | priv->rubber_band_y += priv->dy; |
3062 | priv->rubber_band_status = RUBBER_BAND_MAYBE_START; |
3063 | |
3064 | get_current_selection_modifiers (GTK_EVENT_CONTROLLER (gesture), modify: &modify, extend: &extend); |
3065 | priv->rubber_band_modify = modify; |
3066 | priv->rubber_band_extend = extend; |
3067 | } |
3068 | } |
3069 | |
3070 | static void |
3071 | gtk_tree_view_column_click_gesture_pressed (GtkGestureClick *gesture, |
3072 | int n_press, |
3073 | double x, |
3074 | double y, |
3075 | GtkTreeView *tree_view) |
3076 | { |
3077 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3078 | GtkTreeViewColumn *column; |
3079 | GList *list; |
3080 | |
3081 | if (n_press != 2) |
3082 | return; |
3083 | |
3084 | for (list = priv->columns; list; list = list->next) |
3085 | { |
3086 | column = list->data; |
3087 | |
3088 | if (!_gtk_tree_view_column_coords_in_resize_rect (column, x, y) || |
3089 | !gtk_tree_view_column_get_resizable (tree_column: column)) |
3090 | continue; |
3091 | |
3092 | if (gtk_tree_view_column_get_sizing (tree_column: column) != GTK_TREE_VIEW_COLUMN_AUTOSIZE) |
3093 | { |
3094 | gtk_tree_view_column_set_fixed_width (tree_column: column, fixed_width: -1); |
3095 | gtk_tree_view_column_set_expand (tree_column: column, FALSE); |
3096 | _gtk_tree_view_column_autosize (tree_view, column); |
3097 | } |
3098 | |
3099 | gtk_gesture_set_state (GTK_GESTURE (gesture), state: GTK_EVENT_SEQUENCE_CLAIMED); |
3100 | break; |
3101 | } |
3102 | } |
3103 | |
3104 | static void |
3105 | gtk_tree_view_column_drag_gesture_begin (GtkGestureDrag *gesture, |
3106 | double start_x, |
3107 | double start_y, |
3108 | GtkTreeView *tree_view) |
3109 | { |
3110 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3111 | GtkTreeViewColumn *column; |
3112 | gboolean rtl; |
3113 | GList *list; |
3114 | int i; |
3115 | |
3116 | rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); |
3117 | |
3118 | for (i = 0, list = priv->columns; list; list = list->next, i++) |
3119 | { |
3120 | gpointer drag_data; |
3121 | int column_width; |
3122 | |
3123 | column = list->data; |
3124 | |
3125 | if (!_gtk_tree_view_column_coords_in_resize_rect (column, x: start_x, y: start_y)) |
3126 | continue; |
3127 | |
3128 | if (!gtk_tree_view_column_get_resizable (tree_column: column)) |
3129 | break; |
3130 | |
3131 | priv->in_column_resize = TRUE; |
3132 | |
3133 | /* block attached dnd signal handler */ |
3134 | drag_data = g_object_get_data (G_OBJECT (tree_view), key: "gtk-site-data" ); |
3135 | if (drag_data) |
3136 | g_signal_handlers_block_matched (instance: tree_view, |
3137 | mask: G_SIGNAL_MATCH_DATA, |
3138 | signal_id: 0, detail: 0, NULL, NULL, |
3139 | data: drag_data); |
3140 | |
3141 | column_width = gtk_tree_view_column_get_width (tree_column: column); |
3142 | gtk_tree_view_column_set_fixed_width (tree_column: column, fixed_width: column_width); |
3143 | gtk_tree_view_column_set_expand (tree_column: column, FALSE); |
3144 | |
3145 | priv->drag_pos = i; |
3146 | priv->x_drag = start_x + (rtl ? column_width : -column_width); |
3147 | |
3148 | if (!gtk_widget_has_focus (GTK_WIDGET (tree_view))) |
3149 | gtk_widget_grab_focus (GTK_WIDGET (tree_view)); |
3150 | |
3151 | gtk_gesture_set_state (GTK_GESTURE (gesture), state: GTK_EVENT_SEQUENCE_CLAIMED); |
3152 | return; |
3153 | } |
3154 | } |
3155 | |
3156 | static void |
3157 | gtk_tree_view_update_button_position (GtkTreeView *tree_view, |
3158 | GtkTreeViewColumn *column) |
3159 | { |
3160 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3161 | GList *column_el; |
3162 | |
3163 | column_el = g_list_find (list: priv->columns, data: column); |
3164 | g_return_if_fail (column_el != NULL); |
3165 | |
3166 | gtk_css_node_insert_after (parent: priv->header_node, |
3167 | cssnode: gtk_widget_get_css_node (widget: gtk_tree_view_column_get_button (tree_column: column)), |
3168 | previous_sibling: column_el->prev ? gtk_widget_get_css_node ( |
3169 | widget: gtk_tree_view_column_get_button (tree_column: column_el->prev->data)) : NULL); |
3170 | } |
3171 | |
3172 | /* column drag gesture helper */ |
3173 | static gboolean |
3174 | gtk_tree_view_button_release_drag_column (GtkTreeView *tree_view) |
3175 | { |
3176 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3177 | GtkWidget *button, *widget = GTK_WIDGET (tree_view); |
3178 | GList *l; |
3179 | gboolean rtl; |
3180 | GtkStyleContext *context; |
3181 | |
3182 | rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL); |
3183 | |
3184 | /* Move the button back */ |
3185 | button = gtk_tree_view_column_get_button (tree_column: priv->drag_column); |
3186 | |
3187 | context = gtk_widget_get_style_context (widget: button); |
3188 | gtk_style_context_remove_class (context, class_name: "dnd" ); |
3189 | |
3190 | gtk_tree_view_update_button_position (tree_view, column: priv->drag_column); |
3191 | gtk_widget_queue_allocate (widget); |
3192 | |
3193 | gtk_widget_grab_focus (widget: button); |
3194 | |
3195 | if (rtl) |
3196 | { |
3197 | if (priv->cur_reorder && |
3198 | priv->cur_reorder->right_column != priv->drag_column) |
3199 | gtk_tree_view_move_column_after (tree_view, column: priv->drag_column, |
3200 | base_column: priv->cur_reorder->right_column); |
3201 | } |
3202 | else |
3203 | { |
3204 | if (priv->cur_reorder && |
3205 | priv->cur_reorder->left_column != priv->drag_column) |
3206 | gtk_tree_view_move_column_after (tree_view, column: priv->drag_column, |
3207 | base_column: priv->cur_reorder->left_column); |
3208 | } |
3209 | priv->drag_column = NULL; |
3210 | |
3211 | for (l = priv->column_drag_info; l != NULL; l = l->next) |
3212 | g_slice_free (GtkTreeViewColumnReorder, l->data); |
3213 | g_list_free (list: priv->column_drag_info); |
3214 | priv->column_drag_info = NULL; |
3215 | priv->cur_reorder = NULL; |
3216 | |
3217 | /* Reset our flags */ |
3218 | priv->drag_column_surface_state = DRAG_COLUMN_WINDOW_STATE_UNSET; |
3219 | priv->in_column_drag = FALSE; |
3220 | |
3221 | return TRUE; |
3222 | } |
3223 | |
3224 | /* column drag gesture helper */ |
3225 | static gboolean |
3226 | gtk_tree_view_button_release_column_resize (GtkTreeView *tree_view) |
3227 | { |
3228 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3229 | gpointer drag_data; |
3230 | |
3231 | priv->drag_pos = -1; |
3232 | |
3233 | /* unblock attached dnd signal handler */ |
3234 | drag_data = g_object_get_data (G_OBJECT (tree_view), key: "gtk-site-data" ); |
3235 | if (drag_data) |
3236 | g_signal_handlers_unblock_matched (instance: tree_view, |
3237 | mask: G_SIGNAL_MATCH_DATA, |
3238 | signal_id: 0, detail: 0, NULL, NULL, |
3239 | data: drag_data); |
3240 | |
3241 | priv->in_column_resize = FALSE; |
3242 | return TRUE; |
3243 | } |
3244 | |
3245 | static void |
3246 | gtk_tree_view_column_drag_gesture_end (GtkGestureDrag *gesture, |
3247 | double offset_x, |
3248 | double offset_y, |
3249 | GtkTreeView *tree_view) |
3250 | { |
3251 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3252 | GdkEventSequence *sequence; |
3253 | |
3254 | sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture)); |
3255 | |
3256 | /* Cancel reorder if the drag got cancelled */ |
3257 | if (!gtk_gesture_handles_sequence (GTK_GESTURE (gesture), sequence)) |
3258 | priv->cur_reorder = NULL; |
3259 | |
3260 | if (priv->in_column_drag) |
3261 | gtk_tree_view_button_release_drag_column (tree_view); |
3262 | else if (priv->in_column_resize) |
3263 | gtk_tree_view_button_release_column_resize (tree_view); |
3264 | } |
3265 | |
3266 | static void |
3267 | gtk_tree_view_drag_gesture_end (GtkGestureDrag *gesture, |
3268 | double offset_x, |
3269 | double offset_y, |
3270 | GtkTreeView *tree_view) |
3271 | { |
3272 | gtk_tree_view_stop_rubber_band (tree_view); |
3273 | } |
3274 | |
3275 | static void |
3276 | gtk_tree_view_click_gesture_released (GtkGestureClick *gesture, |
3277 | int n_press, |
3278 | double x, |
3279 | double y, |
3280 | GtkTreeView *tree_view) |
3281 | { |
3282 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3283 | GdkEventSequence *sequence; |
3284 | gboolean modify, extend; |
3285 | guint button; |
3286 | |
3287 | button = gtk_gesture_single_get_current_button (GTK_GESTURE_SINGLE (gesture)); |
3288 | sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture)); |
3289 | |
3290 | if (button != GDK_BUTTON_PRIMARY || |
3291 | priv->button_pressed_node == NULL || |
3292 | priv->button_pressed_node != priv->prelight_node) |
3293 | return; |
3294 | |
3295 | get_current_selection_modifiers (GTK_EVENT_CONTROLLER (gesture), modify: &modify, extend: &extend); |
3296 | |
3297 | if (priv->arrow_prelit) |
3298 | { |
3299 | GtkTreePath *path = NULL; |
3300 | |
3301 | path = _gtk_tree_path_new_from_rbtree (tree: priv->button_pressed_tree, |
3302 | node: priv->button_pressed_node); |
3303 | /* Actually activate the node */ |
3304 | if (priv->button_pressed_node->children == NULL) |
3305 | gtk_tree_view_real_expand_row (tree_view, path, |
3306 | tree: priv->button_pressed_tree, |
3307 | node: priv->button_pressed_node, |
3308 | FALSE); |
3309 | else |
3310 | gtk_tree_view_real_collapse_row (tree_view, path, |
3311 | tree: priv->button_pressed_tree, |
3312 | node: priv->button_pressed_node); |
3313 | gtk_tree_path_free (path); |
3314 | } |
3315 | else if (priv->activate_on_single_click && !modify && !extend) |
3316 | { |
3317 | GtkTreePath *path = NULL; |
3318 | |
3319 | path = _gtk_tree_path_new_from_rbtree (tree: priv->button_pressed_tree, |
3320 | node: priv->button_pressed_node); |
3321 | gtk_tree_view_row_activated (tree_view, path, column: priv->focus_column); |
3322 | gtk_tree_path_free (path); |
3323 | } |
3324 | |
3325 | priv->button_pressed_tree = NULL; |
3326 | priv->button_pressed_node = NULL; |
3327 | |
3328 | if (sequence) |
3329 | ensure_unprelighted (tree_view); |
3330 | } |
3331 | |
3332 | /* GtkWidget::motion_event function set. |
3333 | */ |
3334 | |
3335 | static gboolean |
3336 | coords_are_over_arrow (GtkTreeView *tree_view, |
3337 | GtkTreeRBTree *tree, |
3338 | GtkTreeRBNode *node, |
3339 | /* these are in bin window coords */ |
3340 | int x, |
3341 | int y) |
3342 | { |
3343 | GdkRectangle arrow; |
3344 | int x2; |
3345 | |
3346 | if (!gtk_widget_get_realized (GTK_WIDGET (tree_view))) |
3347 | return FALSE; |
3348 | |
3349 | if ((node->flags & GTK_TREE_RBNODE_IS_PARENT) == 0) |
3350 | return FALSE; |
3351 | |
3352 | arrow.y = gtk_tree_view_get_row_y_offset (tree_view, tree, node); |
3353 | arrow.height = gtk_tree_view_get_row_height (tree_view, node); |
3354 | |
3355 | gtk_tree_view_get_arrow_xrange (tree_view, tree, x1: &arrow.x, x2: &x2); |
3356 | |
3357 | arrow.width = x2 - arrow.x; |
3358 | |
3359 | return (x >= arrow.x && |
3360 | x < (arrow.x + arrow.width) && |
3361 | y >= arrow.y && |
3362 | y < (arrow.y + arrow.height)); |
3363 | } |
3364 | |
3365 | static gboolean |
3366 | auto_expand_timeout (gpointer data) |
3367 | { |
3368 | GtkTreeView *tree_view = GTK_TREE_VIEW (data); |
3369 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3370 | GtkTreePath *path; |
3371 | |
3372 | if (priv->prelight_node) |
3373 | { |
3374 | path = _gtk_tree_path_new_from_rbtree (tree: priv->prelight_tree, |
3375 | node: priv->prelight_node); |
3376 | |
3377 | if (priv->prelight_node->children) |
3378 | gtk_tree_view_collapse_row (tree_view, path); |
3379 | else |
3380 | gtk_tree_view_expand_row (tree_view, path, FALSE); |
3381 | |
3382 | gtk_tree_path_free (path); |
3383 | } |
3384 | |
3385 | priv->auto_expand_timeout = 0; |
3386 | |
3387 | return FALSE; |
3388 | } |
3389 | |
3390 | static void |
3391 | remove_auto_expand_timeout (GtkTreeView *tree_view) |
3392 | { |
3393 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3394 | |
3395 | g_clear_handle_id (&priv->auto_expand_timeout, g_source_remove); |
3396 | } |
3397 | |
3398 | static void |
3399 | do_prelight (GtkTreeView *tree_view, |
3400 | GtkTreeRBTree *tree, |
3401 | GtkTreeRBNode *node, |
3402 | /* these are in bin_window coords */ |
3403 | int x, |
3404 | int y) |
3405 | { |
3406 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3407 | |
3408 | if (priv->prelight_tree == tree && |
3409 | priv->prelight_node == node) |
3410 | { |
3411 | /* We are still on the same node, |
3412 | but we might need to take care of the arrow */ |
3413 | |
3414 | if (tree && node && gtk_tree_view_draw_expanders (tree_view)) |
3415 | { |
3416 | gboolean over_arrow; |
3417 | |
3418 | over_arrow = coords_are_over_arrow (tree_view, tree, node, x, y); |
3419 | |
3420 | if (over_arrow != priv->arrow_prelit) |
3421 | { |
3422 | if (over_arrow) |
3423 | priv->arrow_prelit = TRUE; |
3424 | else |
3425 | priv->arrow_prelit = FALSE; |
3426 | |
3427 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
3428 | } |
3429 | } |
3430 | |
3431 | return; |
3432 | } |
3433 | |
3434 | if (priv->prelight_tree && priv->prelight_node) |
3435 | { |
3436 | /* Unprelight the old node and arrow */ |
3437 | |
3438 | GTK_TREE_RBNODE_UNSET_FLAG (priv->prelight_node, |
3439 | GTK_TREE_RBNODE_IS_PRELIT); |
3440 | |
3441 | if (priv->arrow_prelit |
3442 | && gtk_tree_view_draw_expanders (tree_view)) |
3443 | { |
3444 | priv->arrow_prelit = FALSE; |
3445 | |
3446 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
3447 | } |
3448 | |
3449 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
3450 | } |
3451 | |
3452 | |
3453 | if (priv->hover_expand) |
3454 | remove_auto_expand_timeout (tree_view); |
3455 | |
3456 | /* Set the new prelight values */ |
3457 | priv->prelight_node = node; |
3458 | priv->prelight_tree = tree; |
3459 | |
3460 | if (!node || !tree) |
3461 | return; |
3462 | |
3463 | /* Prelight the new node and arrow */ |
3464 | |
3465 | if (gtk_tree_view_draw_expanders (tree_view) |
3466 | && coords_are_over_arrow (tree_view, tree, node, x, y)) |
3467 | { |
3468 | priv->arrow_prelit = TRUE; |
3469 | |
3470 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
3471 | } |
3472 | |
3473 | GTK_TREE_RBNODE_SET_FLAG (node, GTK_TREE_RBNODE_IS_PRELIT); |
3474 | |
3475 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
3476 | |
3477 | if (priv->hover_expand) |
3478 | { |
3479 | priv->auto_expand_timeout = |
3480 | g_timeout_add (AUTO_EXPAND_TIMEOUT, function: auto_expand_timeout, data: tree_view); |
3481 | gdk_source_set_static_name_by_id (tag: priv->auto_expand_timeout, name: "[gtk] auto_expand_timeout" ); |
3482 | } |
3483 | } |
3484 | |
3485 | static void |
3486 | prelight_or_select (GtkTreeView *tree_view, |
3487 | GtkTreeRBTree *tree, |
3488 | GtkTreeRBNode *node, |
3489 | /* these are in bin_window coords */ |
3490 | int x, |
3491 | int y) |
3492 | { |
3493 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3494 | GtkSelectionMode mode = gtk_tree_selection_get_mode (selection: priv->selection); |
3495 | |
3496 | if (priv->hover_selection && |
3497 | (mode == GTK_SELECTION_SINGLE || mode == GTK_SELECTION_BROWSE) && |
3498 | !(priv->edited_column && |
3499 | gtk_cell_area_get_edit_widget |
3500 | (area: gtk_cell_layout_get_area (GTK_CELL_LAYOUT (priv->edited_column))))) |
3501 | { |
3502 | if (node) |
3503 | { |
3504 | if (!GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_SELECTED)) |
3505 | { |
3506 | GtkTreePath *path; |
3507 | |
3508 | path = _gtk_tree_path_new_from_rbtree (tree, node); |
3509 | gtk_tree_selection_select_path (selection: priv->selection, path); |
3510 | if (GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_SELECTED)) |
3511 | { |
3512 | priv->draw_keyfocus = FALSE; |
3513 | gtk_tree_view_real_set_cursor (tree_view, path, flags: 0); |
3514 | } |
3515 | gtk_tree_path_free (path); |
3516 | } |
3517 | } |
3518 | |
3519 | else if (mode == GTK_SELECTION_SINGLE) |
3520 | gtk_tree_selection_unselect_all (selection: priv->selection); |
3521 | } |
3522 | |
3523 | do_prelight (tree_view, tree, node, x, y); |
3524 | } |
3525 | |
3526 | static void |
3527 | ensure_unprelighted (GtkTreeView *tree_view) |
3528 | { |
3529 | GtkTreeViewPrivate *priv G_GNUC_UNUSED = gtk_tree_view_get_instance_private (self: tree_view); |
3530 | |
3531 | do_prelight (tree_view, |
3532 | NULL, NULL, |
3533 | x: -1000, y: -1000); /* coords not possibly over an arrow */ |
3534 | |
3535 | g_assert (priv->prelight_node == NULL); |
3536 | } |
3537 | |
3538 | static void |
3539 | update_prelight (GtkTreeView *tree_view, |
3540 | int x, |
3541 | int y) |
3542 | { |
3543 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3544 | int new_y; |
3545 | GtkTreeRBTree *tree; |
3546 | GtkTreeRBNode *node; |
3547 | |
3548 | if (priv->tree == NULL) |
3549 | return; |
3550 | |
3551 | if (x == -10000) |
3552 | { |
3553 | ensure_unprelighted (tree_view); |
3554 | return; |
3555 | } |
3556 | |
3557 | new_y = TREE_WINDOW_Y_TO_RBTREE_Y (priv, y); |
3558 | if (new_y < 0) |
3559 | new_y = 0; |
3560 | |
3561 | gtk_tree_rbtree_find_offset (tree: priv->tree, |
3562 | offset: new_y, new_tree: &tree, new_node: &node); |
3563 | |
3564 | if (node) |
3565 | prelight_or_select (tree_view, tree, node, x, y); |
3566 | } |
3567 | |
3568 | static gboolean |
3569 | gtk_tree_view_motion_resize_column (GtkTreeView *tree_view, |
3570 | double x, |
3571 | double y) |
3572 | { |
3573 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3574 | int new_width; |
3575 | GtkTreeViewColumn *column; |
3576 | |
3577 | column = gtk_tree_view_get_column (tree_view, n: priv->drag_pos); |
3578 | |
3579 | if (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL) |
3580 | new_width = MAX (priv->x_drag - x, 0); |
3581 | else |
3582 | new_width = MAX (x - priv->x_drag, 0); |
3583 | |
3584 | if (new_width != gtk_tree_view_column_get_fixed_width (tree_column: column)) |
3585 | gtk_tree_view_column_set_fixed_width (tree_column: column, fixed_width: new_width); |
3586 | |
3587 | return FALSE; |
3588 | } |
3589 | |
3590 | static void |
3591 | gtk_tree_view_update_current_reorder (GtkTreeView *tree_view) |
3592 | { |
3593 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3594 | GtkTreeViewColumnReorder *reorder = NULL; |
3595 | GdkEventSequence *sequence; |
3596 | GList *list; |
3597 | double x; |
3598 | |
3599 | sequence = gtk_gesture_single_get_current_sequence |
3600 | (GTK_GESTURE_SINGLE (priv->column_drag_gesture)); |
3601 | gtk_gesture_get_point (gesture: priv->column_drag_gesture, |
3602 | sequence, x: &x, NULL); |
3603 | x += gtk_adjustment_get_value (adjustment: priv->hadjustment); |
3604 | |
3605 | for (list = priv->column_drag_info; list; list = list->next) |
3606 | { |
3607 | reorder = (GtkTreeViewColumnReorder *) list->data; |
3608 | if (x >= reorder->left_align && x < reorder->right_align) |
3609 | break; |
3610 | reorder = NULL; |
3611 | } |
3612 | |
3613 | priv->cur_reorder = reorder; |
3614 | } |
3615 | |
3616 | static void |
3617 | gtk_tree_view_vertical_autoscroll (GtkTreeView *tree_view) |
3618 | { |
3619 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3620 | GdkRectangle visible_rect; |
3621 | int y; |
3622 | int offset; |
3623 | |
3624 | if (gtk_gesture_is_recognized (gesture: priv->drag_gesture)) |
3625 | { |
3626 | GdkEventSequence *sequence; |
3627 | double py; |
3628 | |
3629 | sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (priv->drag_gesture)); |
3630 | gtk_gesture_get_point (gesture: priv->drag_gesture, sequence, NULL, y: &py); |
3631 | gtk_tree_view_convert_widget_to_bin_window_coords (tree_view, wx: 0, wy: py, |
3632 | NULL, by: &y); |
3633 | } |
3634 | else |
3635 | { |
3636 | y = priv->event_last_y; |
3637 | gtk_tree_view_convert_widget_to_bin_window_coords (tree_view, wx: 0, wy: y, NULL, by: &y); |
3638 | } |
3639 | |
3640 | y += priv->dy; |
3641 | gtk_tree_view_get_visible_rect (tree_view, visible_rect: &visible_rect); |
3642 | |
3643 | /* see if we are near the edge. */ |
3644 | offset = y - (visible_rect.y + 2 * SCROLL_EDGE_SIZE); |
3645 | if (offset > 0) |
3646 | { |
3647 | offset = y - (visible_rect.y + visible_rect.height - 2 * SCROLL_EDGE_SIZE); |
3648 | if (offset < 0) |
3649 | return; |
3650 | } |
3651 | |
3652 | gtk_adjustment_set_value (adjustment: priv->vadjustment, |
3653 | MAX (gtk_adjustment_get_value (priv->vadjustment) + offset, 0.0)); |
3654 | } |
3655 | |
3656 | static void |
3657 | gtk_tree_view_horizontal_autoscroll (GtkTreeView *tree_view) |
3658 | { |
3659 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3660 | GdkEventSequence *sequence; |
3661 | GdkRectangle visible_rect; |
3662 | double x; |
3663 | int offset; |
3664 | |
3665 | sequence = gtk_gesture_single_get_current_sequence |
3666 | (GTK_GESTURE_SINGLE (priv->column_drag_gesture)); |
3667 | gtk_gesture_get_point (gesture: priv->column_drag_gesture, |
3668 | sequence, x: &x, NULL); |
3669 | gtk_tree_view_get_visible_rect (tree_view, visible_rect: &visible_rect); |
3670 | |
3671 | x += gtk_adjustment_get_value (adjustment: priv->hadjustment); |
3672 | |
3673 | /* See if we are near the edge. */ |
3674 | offset = x - (visible_rect.x + SCROLL_EDGE_SIZE); |
3675 | if (offset > 0) |
3676 | { |
3677 | offset = x - (visible_rect.x + visible_rect.width - SCROLL_EDGE_SIZE); |
3678 | if (offset < 0) |
3679 | return; |
3680 | } |
3681 | offset = offset/3; |
3682 | |
3683 | gtk_adjustment_set_value (adjustment: priv->hadjustment, |
3684 | MAX (gtk_adjustment_get_value (priv->hadjustment) + offset, 0.0)); |
3685 | } |
3686 | |
3687 | static void |
3688 | gtk_tree_view_motion_drag_column (GtkTreeView *tree_view, |
3689 | double x, |
3690 | double y) |
3691 | { |
3692 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3693 | GtkTreeViewColumn *column = priv->drag_column; |
3694 | GtkWidget *button; |
3695 | int width, button_width; |
3696 | |
3697 | button = gtk_tree_view_column_get_button (tree_column: column); |
3698 | x += gtk_adjustment_get_value (adjustment: priv->hadjustment); |
3699 | |
3700 | /* Handle moving the header */ |
3701 | width = gtk_widget_get_allocated_width (GTK_WIDGET (tree_view)); |
3702 | button_width = gtk_widget_get_allocated_width (widget: button); |
3703 | priv->drag_column_x = CLAMP (x - _gtk_tree_view_column_get_drag_x (column), 0, |
3704 | MAX (priv->width, width) - button_width); |
3705 | |
3706 | /* autoscroll, if needed */ |
3707 | gtk_tree_view_horizontal_autoscroll (tree_view); |
3708 | /* Update the current reorder position and arrow; */ |
3709 | gtk_tree_view_update_current_reorder (tree_view); |
3710 | gtk_widget_queue_allocate (GTK_WIDGET (tree_view)); |
3711 | } |
3712 | |
3713 | static void |
3714 | gtk_tree_view_stop_rubber_band (GtkTreeView *tree_view) |
3715 | { |
3716 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3717 | |
3718 | remove_scroll_timeout (tree_view); |
3719 | |
3720 | if (priv->rubber_band_status == RUBBER_BAND_ACTIVE) |
3721 | { |
3722 | GtkTreePath *tmp_path; |
3723 | |
3724 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
3725 | |
3726 | /* The anchor path should be set to the start path */ |
3727 | if (priv->rubber_band_start_node) |
3728 | { |
3729 | tmp_path = _gtk_tree_path_new_from_rbtree (tree: priv->rubber_band_start_tree, |
3730 | node: priv->rubber_band_start_node); |
3731 | |
3732 | if (priv->anchor) |
3733 | gtk_tree_row_reference_free (reference: priv->anchor); |
3734 | |
3735 | priv->anchor = gtk_tree_row_reference_new (model: priv->model, path: tmp_path); |
3736 | |
3737 | gtk_tree_path_free (path: tmp_path); |
3738 | } |
3739 | |
3740 | /* ... and the cursor to the end path */ |
3741 | if (priv->rubber_band_end_node) |
3742 | { |
3743 | tmp_path = _gtk_tree_path_new_from_rbtree (tree: priv->rubber_band_end_tree, |
3744 | node: priv->rubber_band_end_node); |
3745 | gtk_tree_view_real_set_cursor (GTK_TREE_VIEW (tree_view), path: tmp_path, flags: 0); |
3746 | gtk_tree_path_free (path: tmp_path); |
3747 | } |
3748 | |
3749 | _gtk_tree_selection_emit_changed (selection: priv->selection); |
3750 | |
3751 | gtk_css_node_set_parent (cssnode: priv->rubber_band_cssnode, NULL); |
3752 | priv->rubber_band_cssnode = NULL; |
3753 | } |
3754 | |
3755 | /* Clear status variables */ |
3756 | priv->rubber_band_status = RUBBER_BAND_OFF; |
3757 | priv->rubber_band_extend = FALSE; |
3758 | priv->rubber_band_modify = FALSE; |
3759 | |
3760 | priv->rubber_band_start_node = NULL; |
3761 | priv->rubber_band_start_tree = NULL; |
3762 | priv->rubber_band_end_node = NULL; |
3763 | priv->rubber_band_end_tree = NULL; |
3764 | } |
3765 | |
3766 | static void |
3767 | gtk_tree_view_update_rubber_band_selection_range (GtkTreeView *tree_view, |
3768 | GtkTreeRBTree *start_tree, |
3769 | GtkTreeRBNode *start_node, |
3770 | GtkTreeRBTree *end_tree, |
3771 | GtkTreeRBNode *end_node, |
3772 | gboolean select, |
3773 | gboolean skip_start, |
3774 | gboolean skip_end) |
3775 | { |
3776 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3777 | |
3778 | if (start_node == end_node) |
3779 | return; |
3780 | |
3781 | /* We skip the first node and jump inside the loop */ |
3782 | if (skip_start) |
3783 | goto skip_first; |
3784 | |
3785 | do |
3786 | { |
3787 | /* Small optimization by assuming insensitive nodes are never |
3788 | * selected. |
3789 | */ |
3790 | if (!GTK_TREE_RBNODE_FLAG_SET (start_node, GTK_TREE_RBNODE_IS_SELECTED)) |
3791 | { |
3792 | GtkTreePath *path; |
3793 | gboolean selectable; |
3794 | |
3795 | path = _gtk_tree_path_new_from_rbtree (tree: start_tree, node: start_node); |
3796 | selectable = _gtk_tree_selection_row_is_selectable (selection: priv->selection, node: start_node, path); |
3797 | gtk_tree_path_free (path); |
3798 | |
3799 | if (!selectable) |
3800 | goto node_not_selectable; |
3801 | } |
3802 | |
3803 | if (select) |
3804 | { |
3805 | if (priv->rubber_band_extend) |
3806 | GTK_TREE_RBNODE_SET_FLAG (start_node, GTK_TREE_RBNODE_IS_SELECTED); |
3807 | else if (priv->rubber_band_modify) |
3808 | { |
3809 | /* Toggle the selection state */ |
3810 | if (GTK_TREE_RBNODE_FLAG_SET (start_node, GTK_TREE_RBNODE_IS_SELECTED)) |
3811 | GTK_TREE_RBNODE_UNSET_FLAG (start_node, GTK_TREE_RBNODE_IS_SELECTED); |
3812 | else |
3813 | GTK_TREE_RBNODE_SET_FLAG (start_node, GTK_TREE_RBNODE_IS_SELECTED); |
3814 | } |
3815 | else |
3816 | GTK_TREE_RBNODE_SET_FLAG (start_node, GTK_TREE_RBNODE_IS_SELECTED); |
3817 | } |
3818 | else |
3819 | { |
3820 | /* Mirror the above */ |
3821 | if (priv->rubber_band_extend) |
3822 | GTK_TREE_RBNODE_UNSET_FLAG (start_node, GTK_TREE_RBNODE_IS_SELECTED); |
3823 | else if (priv->rubber_band_modify) |
3824 | { |
3825 | /* Toggle the selection state */ |
3826 | if (GTK_TREE_RBNODE_FLAG_SET (start_node, GTK_TREE_RBNODE_IS_SELECTED)) |
3827 | GTK_TREE_RBNODE_UNSET_FLAG (start_node, GTK_TREE_RBNODE_IS_SELECTED); |
3828 | else |
3829 | GTK_TREE_RBNODE_SET_FLAG (start_node, GTK_TREE_RBNODE_IS_SELECTED); |
3830 | } |
3831 | else |
3832 | GTK_TREE_RBNODE_UNSET_FLAG (start_node, GTK_TREE_RBNODE_IS_SELECTED); |
3833 | } |
3834 | |
3835 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
3836 | |
3837 | node_not_selectable: |
3838 | if (start_node == end_node) |
3839 | break; |
3840 | |
3841 | skip_first: |
3842 | |
3843 | if (start_node->children) |
3844 | { |
3845 | start_tree = start_node->children; |
3846 | start_node = gtk_tree_rbtree_first (tree: start_tree); |
3847 | } |
3848 | else |
3849 | { |
3850 | gtk_tree_rbtree_next_full (tree: start_tree, node: start_node, new_tree: &start_tree, new_node: &start_node); |
3851 | |
3852 | if (!start_tree) |
3853 | /* Ran out of tree */ |
3854 | break; |
3855 | } |
3856 | |
3857 | if (skip_end && start_node == end_node) |
3858 | break; |
3859 | } |
3860 | while (TRUE); |
3861 | } |
3862 | |
3863 | static void |
3864 | gtk_tree_view_update_rubber_band_selection (GtkTreeView *tree_view) |
3865 | { |
3866 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
3867 | GtkTreeRBTree *start_tree, *end_tree; |
3868 | GtkTreeRBNode *start_node, *end_node; |
3869 | double start_y, offset_y; |
3870 | int bin_y; |
3871 | |
3872 | if (!gtk_gesture_is_active (gesture: priv->drag_gesture)) |
3873 | return; |
3874 | |
3875 | gtk_gesture_drag_get_offset (GTK_GESTURE_DRAG (priv->drag_gesture), |
3876 | NULL, y: &offset_y); |
3877 | gtk_gesture_drag_get_start_point (GTK_GESTURE_DRAG (priv->drag_gesture), |
3878 | NULL, y: &start_y); |
3879 | gtk_tree_view_convert_widget_to_bin_window_coords (tree_view, wx: 0, wy: start_y, |
3880 | NULL, by: &bin_y); |
3881 | bin_y = MAX (0, bin_y + offset_y + priv->dy); |
3882 | |
3883 | gtk_tree_rbtree_find_offset (tree: priv->tree, MIN (priv->press_start_y, bin_y), new_tree: &start_tree, new_node: &start_node); |
3884 | gtk_tree_rbtree_find_offset (tree: priv->tree, MAX (priv->press_start_y, bin_y), new_tree: &end_tree, new_node: &end_node); |
3885 | |
3886 | /* Handle the start area first */ |
3887 | if (!start_node && !end_node) |
3888 | { |
3889 | if (priv->rubber_band_start_node) |
3890 | { |
3891 | GtkTreeRBNode *node = priv->rubber_band_start_node; |
3892 | |
3893 | if (priv->rubber_band_modify) |
3894 | { |
3895 | /* Toggle the selection state */ |
3896 | if (GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_SELECTED)) |
3897 | GTK_TREE_RBNODE_UNSET_FLAG (node, GTK_TREE_RBNODE_IS_SELECTED); |
3898 | else |
3899 | GTK_TREE_RBNODE_SET_FLAG (node, GTK_TREE_RBNODE_IS_SELECTED); |
3900 | } |
3901 | else |
3902 | GTK_TREE_RBNODE_UNSET_FLAG (node, GTK_TREE_RBNODE_IS_SELECTED); |
3903 | |
3904 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
3905 | } |
3906 | } |
3907 | if (!priv->rubber_band_start_node || !start_node) |
3908 | { |
3909 | gtk_tree_view_update_rubber_band_selection_range (tree_view, |
3910 | start_tree, |
3911 | start_node, |
3912 | end_tree, |
3913 | end_node, |
3914 | TRUE, |
3915 | FALSE, |
3916 | FALSE); |
3917 | } |
3918 | else if (gtk_tree_rbtree_node_find_offset (tree: start_tree, node: start_node) < |
3919 | gtk_tree_rbtree_node_find_offset (tree: priv->rubber_band_start_tree, node: priv->rubber_band_start_node)) |
3920 | { |
3921 | /* New node is above the old one; selection became bigger */ |
3922 | gtk_tree_view_update_rubber_band_selection_range (tree_view, |
3923 | start_tree, |
3924 | start_node, |
3925 | end_tree: priv->rubber_band_start_tree, |
3926 | end_node: priv->rubber_band_start_node, |
3927 | TRUE, |
3928 | FALSE, |
3929 | TRUE); |
3930 | } |
3931 | else if (gtk_tree_rbtree_node_find_offset (tree: start_tree, node: start_node) > |
3932 | gtk_tree_rbtree_node_find_offset (tree: priv->rubber_band_start_tree, node: priv->rubber_band_start_node)) |
3933 | { |
3934 | /* New node is below the old one; selection became smaller */ |
3935 | gtk_tree_view_update_rubber_band_selection_range (tree_view, |
3936 | start_tree: priv->rubber_band_start_tree, |
3937 | start_node: priv->rubber_band_start_node, |
3938 | end_tree: start_tree, |
3939 | end_node: start_node, |
3940 | FALSE, |
3941 | FALSE, |
3942 | TRUE); |
3943 | } |
3944 | |
3945 | priv->rubber_band_start_tree = start_tree; |
3946 | priv->rubber_band_start_node = start_node; |
3947 | |
3948 | /* Next, handle the end area */ |
3949 | if (!priv->rubber_band_end_node) |
3950 | { |
3951 | /* In the event this happens, start_node was also NULL; this case is |
3952 | * handled above. |
3953 | */ |
3954 | } |
3955 | else if (!end_node) |
3956 | { |
3957 | /* Find the last node in the tree */ |
3958 | gtk_tree_rbtree_find_offset (tree: priv->tree, offset: gtk_tree_view_get_height (tree_view) - 1, |
3959 | new_tree: &end_tree, new_node: &end_node); |
3960 | |
3961 | /* Selection reached end of the tree */ |
3962 | gtk_tree_view_update_rubber_band_selection_range (tree_view, |
3963 | start_tree: priv->rubber_band_end_tree, |
3964 | start_node: priv->rubber_band_end_node, |
3965 | end_tree, |
3966 | end_node, |
3967 | TRUE, |
3968 | TRUE, |
3969 | FALSE); |
3970 | } |
3971 | else if (gtk_tree_rbtree_node_find_offset (tree: end_tree, node: end_node) > |
3972 | gtk_tree_rbtree_node_find_offset (tree: priv->rubber_band_end_tree, node: priv->rubber_band_end_node)) |
3973 | { |
3974 | /* New node is below the old one; selection became bigger */ |
3975 | gtk_tree_view_update_rubber_band_selection_range (tree_view, |
3976 | start_tree: priv->rubber_band_end_tree, |
3977 | start_node: priv->rubber_band_end_node, |
3978 | end_tree, |
3979 | end_node, |
3980 | TRUE, |
3981 | TRUE, |
3982 | FALSE); |
3983 | } |
3984 | else if (gtk_tree_rbtree_node_find_offset (tree: end_tree, node: end_node) < |
3985 | gtk_tree_rbtree_node_find_offset (tree: priv->rubber_band_end_tree, node: priv->rubber_band_end_node)) |
3986 | { |
3987 | /* New node is above the old one; selection became smaller */ |
3988 | gtk_tree_view_update_rubber_band_selection_range (tree_view, |
3989 | start_tree: end_tree, |
3990 | start_node: end_node, |
3991 | end_tree: priv->rubber_band_end_tree, |
3992 | end_node: priv->rubber_band_end_node, |
3993 | FALSE, |
3994 | TRUE, |
3995 | FALSE); |
3996 | } |
3997 | |
3998 | priv->rubber_band_end_tree = end_tree; |
3999 | priv->rubber_band_end_node = end_node; |
4000 | } |
4001 | |
4002 | static void |
4003 | gtk_tree_view_update_rubber_band (GtkTreeView *tree_view) |
4004 | { |
4005 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
4006 | double start_x, start_y, offset_x, offset_y, x, y; |
4007 | int bin_x, bin_y; |
4008 | |
4009 | if (!gtk_gesture_is_recognized (gesture: priv->drag_gesture)) |
4010 | return; |
4011 | |
4012 | gtk_gesture_drag_get_offset (GTK_GESTURE_DRAG (priv->drag_gesture), |
4013 | x: &offset_x, y: &offset_y); |
4014 | gtk_gesture_drag_get_start_point (GTK_GESTURE_DRAG (priv->drag_gesture), |
4015 | x: &start_x, y: &start_y); |
4016 | gtk_tree_view_convert_widget_to_bin_window_coords (tree_view, wx: start_x, wy: start_y, |
4017 | bx: &bin_x, by: &bin_y); |
4018 | bin_y += priv->dy; |
4019 | |
4020 | x = MAX (bin_x + offset_x, 0); |
4021 | y = MAX (bin_y + offset_y, 0); |
4022 | |
4023 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
4024 | |
4025 | priv->rubber_band_x = x; |
4026 | priv->rubber_band_y = y; |
4027 | |
4028 | gtk_tree_view_update_rubber_band_selection (tree_view); |
4029 | } |
4030 | |
4031 | static void |
4032 | gtk_tree_view_snapshot_rubber_band (GtkTreeView *tree_view, |
4033 | GtkSnapshot *snapshot) |
4034 | { |
4035 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
4036 | double start_x, start_y, offset_x, offset_y; |
4037 | GdkRectangle rect; |
4038 | GtkStyleContext *context; |
4039 | int bin_x, bin_y; |
4040 | |
4041 | if (!gtk_gesture_is_recognized (gesture: priv->drag_gesture)) |
4042 | return; |
4043 | |
4044 | gtk_gesture_drag_get_offset (GTK_GESTURE_DRAG (priv->drag_gesture), |
4045 | x: &offset_x, y: &offset_y); |
4046 | gtk_gesture_drag_get_start_point (GTK_GESTURE_DRAG (priv->drag_gesture), |
4047 | x: &start_x, y: &start_y); |
4048 | gtk_tree_view_convert_widget_to_bin_window_coords (tree_view, wx: start_x, wy: start_y, |
4049 | bx: &bin_x, by: &bin_y); |
4050 | bin_x = MAX (0, bin_x + offset_x); |
4051 | bin_y = MAX (0, bin_y + offset_y + priv->dy); |
4052 | |
4053 | context = gtk_widget_get_style_context (GTK_WIDGET (tree_view)); |
4054 | |
4055 | gtk_style_context_save_to_node (context, node: priv->rubber_band_cssnode); |
4056 | |
4057 | rect.x = MIN (priv->press_start_x, bin_x); |
4058 | rect.y = MIN (priv->press_start_y, bin_y) - priv->dy; |
4059 | rect.width = ABS (priv->press_start_x - bin_x) + 1; |
4060 | rect.height = ABS (priv->press_start_y - bin_y) + 1; |
4061 | |
4062 | gtk_snapshot_render_background (snapshot, context, |
4063 | x: rect.x, y: rect.y, |
4064 | width: rect.width, height: rect.height); |
4065 | gtk_snapshot_render_frame (snapshot, context, |
4066 | x: rect.x, y: rect.y, |
4067 | width: rect.width, height: rect.height); |
4068 | |
4069 | gtk_style_context_restore (context); |
4070 | } |
4071 | |
4072 | static void |
4073 | gtk_tree_view_column_drag_gesture_update (GtkGestureDrag *gesture, |
4074 | double offset_x, |
4075 | double offset_y, |
4076 | GtkTreeView *tree_view) |
4077 | { |
4078 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
4079 | double start_x, start_y, x, y; |
4080 | GdkEventSequence *sequence; |
4081 | |
4082 | sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture)); |
4083 | |
4084 | if (gtk_gesture_get_sequence_state (GTK_GESTURE (gesture), sequence) != GTK_EVENT_SEQUENCE_CLAIMED) |
4085 | return; |
4086 | |
4087 | gtk_gesture_drag_get_start_point (gesture, x: &start_x, y: &start_y); |
4088 | x = start_x + offset_x; |
4089 | y = start_y + offset_y; |
4090 | |
4091 | if (priv->in_column_resize) |
4092 | gtk_tree_view_motion_resize_column (tree_view, x, y); |
4093 | else if (priv->in_column_drag) |
4094 | gtk_tree_view_motion_drag_column (tree_view, x, y); |
4095 | } |
4096 | |
4097 | static void |
4098 | gtk_tree_view_drag_gesture_update (GtkGestureDrag *gesture, |
4099 | double offset_x, |
4100 | double offset_y, |
4101 | GtkTreeView *tree_view) |
4102 | { |
4103 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
4104 | |
4105 | if (priv->tree == NULL) |
4106 | { |
4107 | gtk_gesture_set_state (GTK_GESTURE (gesture), state: GTK_EVENT_SEQUENCE_DENIED); |
4108 | return; |
4109 | } |
4110 | |
4111 | if (priv->rubber_band_status == RUBBER_BAND_MAYBE_START) |
4112 | { |
4113 | GtkCssNode *widget_node; |
4114 | |
4115 | widget_node = gtk_widget_get_css_node (GTK_WIDGET (tree_view)); |
4116 | priv->rubber_band_cssnode = gtk_css_node_new (); |
4117 | gtk_css_node_set_name (cssnode: priv->rubber_band_cssnode, name: g_quark_from_static_string (string: "rubberband" )); |
4118 | gtk_css_node_set_parent (cssnode: priv->rubber_band_cssnode, parent: widget_node); |
4119 | gtk_css_node_set_state (cssnode: priv->rubber_band_cssnode, state_flags: gtk_css_node_get_state (cssnode: widget_node)); |
4120 | g_object_unref (object: priv->rubber_band_cssnode); |
4121 | |
4122 | gtk_tree_view_update_rubber_band (tree_view); |
4123 | |
4124 | priv->rubber_band_status = RUBBER_BAND_ACTIVE; |
4125 | gtk_gesture_set_state (GTK_GESTURE (gesture), state: GTK_EVENT_SEQUENCE_CLAIMED); |
4126 | } |
4127 | else if (priv->rubber_band_status == RUBBER_BAND_ACTIVE) |
4128 | { |
4129 | gtk_tree_view_update_rubber_band (tree_view); |
4130 | |
4131 | add_scroll_timeout (tree_view); |
4132 | } |
4133 | else if (!priv->rubber_band_status) |
4134 | { |
4135 | if (gtk_tree_view_maybe_begin_dragging_row (tree_view)) |
4136 | gtk_gesture_set_state (GTK_GESTURE (gesture), state: GTK_EVENT_SEQUENCE_DENIED); |
4137 | } |
4138 | } |
4139 | |
4140 | static void |
4141 | gtk_tree_view_motion_controller_motion (GtkEventControllerMotion *controller, |
4142 | double x, |
4143 | double y, |
4144 | GtkTreeView *tree_view) |
4145 | { |
4146 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
4147 | GtkTreeRBTree *tree; |
4148 | GtkTreeRBNode *node; |
4149 | int new_y; |
4150 | GList *list; |
4151 | gboolean cursor_set = FALSE; |
4152 | |
4153 | if (priv->tree) |
4154 | { |
4155 | int bin_x, bin_y; |
4156 | |
4157 | /* If we are currently pressing down a button, we don't want to prelight anything else. */ |
4158 | if (gtk_gesture_is_active (gesture: priv->drag_gesture) || |
4159 | gtk_gesture_is_active (gesture: priv->click_gesture)) |
4160 | node = NULL; |
4161 | |
4162 | gtk_tree_view_convert_widget_to_bin_window_coords (tree_view, wx: x, wy: y, |
4163 | bx: &bin_x, by: &bin_y); |
4164 | new_y = MAX (0, TREE_WINDOW_Y_TO_RBTREE_Y (priv, bin_y)); |
4165 | |
4166 | gtk_tree_rbtree_find_offset (tree: priv->tree, offset: new_y, new_tree: &tree, new_node: &node); |
4167 | |
4168 | priv->event_last_x = bin_x; |
4169 | priv->event_last_y = bin_y; |
4170 | prelight_or_select (tree_view, tree, node, x: bin_x, y: bin_y); |
4171 | } |
4172 | |
4173 | for (list = priv->columns; list; list = list->next) |
4174 | { |
4175 | GtkTreeViewColumn *column = list->data; |
4176 | |
4177 | if (_gtk_tree_view_column_coords_in_resize_rect (column, x, y)) |
4178 | { |
4179 | gtk_widget_set_cursor_from_name (GTK_WIDGET (tree_view), name: "col-resize" ); |
4180 | cursor_set = TRUE; |
4181 | break; |
4182 | } |
4183 | } |
4184 | |
4185 | if (!cursor_set) |
4186 | gtk_widget_set_cursor (GTK_WIDGET (tree_view), NULL); |
4187 | } |
4188 | |
4189 | /* Invalidate the focus rectangle near the edge of the bin_window; used when |
4190 | * the tree is empty. |
4191 | */ |
4192 | static void |
4193 | invalidate_empty_focus (GtkTreeView *tree_view) |
4194 | { |
4195 | if (!gtk_widget_has_focus (GTK_WIDGET (tree_view))) |
4196 | return; |
4197 | |
4198 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
4199 | } |
4200 | |
4201 | static void |
4202 | gtk_tree_view_snapshot_grid_line (GtkTreeView *tree_view, |
4203 | GtkSnapshot *snapshot, |
4204 | GtkOrientation orientation, |
4205 | const graphene_point_t *start, |
4206 | float size) |
4207 | { |
4208 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
4209 | GtkStyleContext *context; |
4210 | const GdkRGBA *grid_line_color; |
4211 | |
4212 | context = gtk_widget_get_style_context (GTK_WIDGET (tree_view)); |
4213 | grid_line_color = gtk_css_color_value_get_rgba (color: _gtk_style_context_peek_property (context, |
4214 | property_id: GTK_CSS_PROPERTY_BORDER_TOP_COLOR)); |
4215 | |
4216 | if (!gdk_rgba_equal (p1: grid_line_color, p2: &priv->grid_line_color) || |
4217 | (orientation == GTK_ORIENTATION_HORIZONTAL && !priv->horizontal_grid_line_texture) || |
4218 | (orientation == GTK_ORIENTATION_VERTICAL && !priv->vertical_grid_line_texture)) |
4219 | { |
4220 | cairo_surface_t *surface; |
4221 | unsigned char *data; |
4222 | |
4223 | g_clear_object (&priv->horizontal_grid_line_texture); |
4224 | g_clear_object (&priv->vertical_grid_line_texture); |
4225 | priv->grid_line_color = *grid_line_color; |
4226 | |
4227 | surface = cairo_image_surface_create (format: CAIRO_FORMAT_ARGB32, width: 2, height: 1); |
4228 | data = cairo_image_surface_get_data (surface); |
4229 | /* just color the first pixel... */ |
4230 | data[0] = round (x: grid_line_color->blue * 255); |
4231 | data[1] = round (x: grid_line_color->green * 255); |
4232 | data[2] = round (x: grid_line_color->red * 255); |
4233 | data[3] = round (x: grid_line_color->alpha * 255); |
4234 | |
4235 | priv->horizontal_grid_line_texture = gdk_texture_new_for_surface (surface); |
4236 | cairo_surface_destroy (surface); |
4237 | |
4238 | surface = cairo_image_surface_create (format: CAIRO_FORMAT_ARGB32, width: 1, height: 2); |
4239 | data = cairo_image_surface_get_data (surface); |
4240 | data[0] = round (x: grid_line_color->blue * 255); |
4241 | data[1] = round (x: grid_line_color->green * 255); |
4242 | data[2] = round (x: grid_line_color->red * 255); |
4243 | data[3] = round (x: grid_line_color->alpha * 255); |
4244 | |
4245 | priv->vertical_grid_line_texture = gdk_texture_new_for_surface (surface); |
4246 | cairo_surface_destroy (surface); |
4247 | } |
4248 | |
4249 | g_assert (priv->horizontal_grid_line_texture); |
4250 | g_assert (priv->vertical_grid_line_texture); |
4251 | |
4252 | if (orientation == GTK_ORIENTATION_HORIZONTAL) |
4253 | { |
4254 | gtk_snapshot_push_repeat (snapshot, |
4255 | bounds: &GRAPHENE_RECT_INIT ( |
4256 | start->x, start->y, |
4257 | size, 1), |
4258 | NULL); |
4259 | gtk_snapshot_append_texture (snapshot, texture: priv->horizontal_grid_line_texture, |
4260 | bounds: &GRAPHENE_RECT_INIT (0, 0, 2, 1)); |
4261 | gtk_snapshot_pop (snapshot); |
4262 | } |
4263 | else /* VERTICAL */ |
4264 | { |
4265 | gtk_snapshot_push_repeat (snapshot, |
4266 | bounds: &GRAPHENE_RECT_INIT ( |
4267 | start->x, start->y, |
4268 | 1, size), |
4269 | NULL); |
4270 | gtk_snapshot_append_texture (snapshot, texture: priv->vertical_grid_line_texture, |
4271 | bounds: &GRAPHENE_RECT_INIT (0, 0, 1, 2)); |
4272 | gtk_snapshot_pop (snapshot); |
4273 | } |
4274 | } |
4275 | |
4276 | static void |
4277 | gtk_tree_view_snapshot_tree_line (GtkTreeView *tree_view, |
4278 | GtkSnapshot *snapshot, |
4279 | GtkOrientation orientation, |
4280 | const graphene_point_t *start, |
4281 | float size) |
4282 | { |
4283 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
4284 | GtkStyleContext *context; |
4285 | const GdkRGBA *tree_line_color; |
4286 | |
4287 | context = gtk_widget_get_style_context (GTK_WIDGET (tree_view)); |
4288 | tree_line_color = gtk_css_color_value_get_rgba (color: _gtk_style_context_peek_property (context, |
4289 | property_id: GTK_CSS_PROPERTY_BORDER_LEFT_COLOR)); |
4290 | |
4291 | if (!gdk_rgba_equal (p1: tree_line_color, p2: &priv->tree_line_color) || |
4292 | (orientation == GTK_ORIENTATION_HORIZONTAL && !priv->horizontal_tree_line_texture) || |
4293 | (orientation == GTK_ORIENTATION_VERTICAL && !priv->vertical_tree_line_texture)) |
4294 | { |
4295 | cairo_surface_t *surface; |
4296 | unsigned char *data; |
4297 | |
4298 | g_clear_object (&priv->horizontal_tree_line_texture); |
4299 | g_clear_object (&priv->vertical_tree_line_texture); |
4300 | priv->tree_line_color = *tree_line_color; |
4301 | |
4302 | surface = cairo_image_surface_create (format: CAIRO_FORMAT_ARGB32, width: 2, height: 1); |
4303 | data = cairo_image_surface_get_data (surface); |
4304 | /* just color the first pixel... */ |
4305 | data[0] = round (x: tree_line_color->blue * 255); |
4306 | data[1] = round (x: tree_line_color->green * 255); |
4307 | data[2] = round (x: tree_line_color->red * 255); |
4308 | data[3] = round (x: tree_line_color->alpha * 255); |
4309 | |
4310 | priv->horizontal_tree_line_texture = gdk_texture_new_for_surface (surface); |
4311 | cairo_surface_destroy (surface); |
4312 | |
4313 | surface = cairo_image_surface_create (format: CAIRO_FORMAT_ARGB32, width: 1, height: 2); |
4314 | data = cairo_image_surface_get_data (surface); |
4315 | data[0] = round (x: tree_line_color->blue * 255); |
4316 | data[1] = round (x: tree_line_color->green * 255); |
4317 | data[2] = round (x: tree_line_color->red * 255); |
4318 | data[3] = round (x: tree_line_color->alpha * 255); |
4319 | |
4320 | priv->vertical_tree_line_texture = gdk_texture_new_for_surface (surface); |
4321 | cairo_surface_destroy (surface); |
4322 | } |
4323 | |
4324 | g_assert (priv->horizontal_tree_line_texture); |
4325 | g_assert (priv->vertical_tree_line_texture); |
4326 | |
4327 | if (orientation == GTK_ORIENTATION_HORIZONTAL) |
4328 | { |
4329 | gtk_snapshot_push_repeat (snapshot, |
4330 | bounds: &GRAPHENE_RECT_INIT ( |
4331 | start->x, start->y, |
4332 | size, 1), |
4333 | NULL); |
4334 | gtk_snapshot_append_texture (snapshot, texture: priv->horizontal_tree_line_texture, |
4335 | bounds: &GRAPHENE_RECT_INIT (0, 0, 2, 1)); |
4336 | gtk_snapshot_pop (snapshot); |
4337 | } |
4338 | else /* VERTICAL */ |
4339 | { |
4340 | gtk_snapshot_push_repeat (snapshot, |
4341 | bounds: &GRAPHENE_RECT_INIT ( |
4342 | start->x, start->y, |
4343 | 1, size), |
4344 | NULL); |
4345 | gtk_snapshot_append_texture (snapshot, texture: priv->vertical_tree_line_texture, |
4346 | bounds: &GRAPHENE_RECT_INIT (0, 0, 1, 2)); |
4347 | gtk_snapshot_pop (snapshot); |
4348 | } |
4349 | } |
4350 | |
4351 | static void |
4352 | gtk_tree_view_snapshot_grid_lines (GtkTreeView *tree_view, |
4353 | GtkSnapshot *snapshot) |
4354 | { |
4355 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
4356 | GList *list, *first, *last; |
4357 | gboolean rtl; |
4358 | int current_x = 0; |
4359 | int tree_view_height; |
4360 | |
4361 | if (priv->grid_lines != GTK_TREE_VIEW_GRID_LINES_VERTICAL && |
4362 | priv->grid_lines != GTK_TREE_VIEW_GRID_LINES_BOTH) |
4363 | return; |
4364 | |
4365 | rtl = (_gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); |
4366 | |
4367 | first = g_list_first (list: priv->columns); |
4368 | last = g_list_last (list: priv->columns); |
4369 | tree_view_height = gtk_tree_view_get_height (tree_view); |
4370 | |
4371 | for (list = (rtl ? last : first); |
4372 | list; |
4373 | list = (rtl ? list->prev : list->next)) |
4374 | { |
4375 | GtkTreeViewColumn *column = list->data; |
4376 | |
4377 | /* We don't want a line for the last column */ |
4378 | if (column == (rtl ? first->data : last->data)) |
4379 | break; |
4380 | |
4381 | if (!gtk_tree_view_column_get_visible (tree_column: column)) |
4382 | continue; |
4383 | |
4384 | current_x += gtk_tree_view_column_get_width (tree_column: column); |
4385 | |
4386 | gtk_tree_view_snapshot_grid_line (tree_view, |
4387 | snapshot, |
4388 | orientation: GTK_ORIENTATION_VERTICAL, |
4389 | start: &(graphene_point_t) { current_x - 1, 0 }, |
4390 | size: tree_view_height); |
4391 | } |
4392 | } |
4393 | |
4394 | /* Warning: Very scary function. |
4395 | * Modify at your own risk |
4396 | * |
4397 | * KEEP IN SYNC WITH gtk_tree_view_create_row_drag_icon()! |
4398 | * FIXME: It’s not... |
4399 | */ |
4400 | static void |
4401 | gtk_tree_view_bin_snapshot (GtkWidget *widget, |
4402 | GtkSnapshot *snapshot) |
4403 | { |
4404 | GtkTreeView *tree_view = GTK_TREE_VIEW (widget); |
4405 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
4406 | const int x_scroll_offset = - gtk_adjustment_get_value (adjustment: priv->hadjustment); |
4407 | GtkTreePath *path; |
4408 | GtkTreeRBTree *tree; |
4409 | GList *list; |
4410 | GtkTreeRBNode *node; |
4411 | GtkTreeRBNode *drag_highlight = NULL; |
4412 | GtkTreeRBTree *drag_highlight_tree = NULL; |
4413 | GtkTreeIter iter; |
4414 | int new_y; |
4415 | int y_offset, cell_offset; |
4416 | int max_height; |
4417 | int depth; |
4418 | GdkRectangle background_area; |
4419 | GdkRectangle cell_area; |
4420 | GdkRectangle clip; |
4421 | guint flags; |
4422 | int bin_window_width; |
4423 | int bin_window_height; |
4424 | GtkTreePath *drag_dest_path; |
4425 | GList *first_column, *last_column; |
4426 | gboolean has_can_focus_cell; |
4427 | gboolean rtl; |
4428 | int n_visible_columns; |
4429 | int expander_size; |
4430 | gboolean draw_vgrid_lines, draw_hgrid_lines; |
4431 | GtkStyleContext *context; |
4432 | gboolean parity; |
4433 | |
4434 | rtl = (_gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL); |
4435 | context = gtk_widget_get_style_context (widget); |
4436 | |
4437 | if (priv->tree == NULL) |
4438 | return; |
4439 | |
4440 | bin_window_width = gtk_widget_get_width (GTK_WIDGET (tree_view)); |
4441 | bin_window_height = gtk_widget_get_height(GTK_WIDGET (tree_view)); |
4442 | |
4443 | clip = (GdkRectangle) { 0, 0, bin_window_width, bin_window_height }; |
4444 | new_y = TREE_WINDOW_Y_TO_RBTREE_Y (priv, clip.y); |
4445 | y_offset = -gtk_tree_rbtree_find_offset (tree: priv->tree, offset: new_y, new_tree: &tree, new_node: &node); |
4446 | |
4447 | if (gtk_tree_view_get_height (tree_view) < bin_window_height) |
4448 | { |
4449 | gtk_style_context_save (context); |
4450 | gtk_style_context_add_class (context, class_name: "cell" ); |
4451 | |
4452 | gtk_snapshot_render_background (snapshot, context, |
4453 | x: 0, y: gtk_tree_view_get_height (tree_view), |
4454 | width: bin_window_width, |
4455 | height: bin_window_height - gtk_tree_view_get_height (tree_view)); |
4456 | |
4457 | gtk_style_context_restore (context); |
4458 | } |
4459 | |
4460 | if (node == NULL) |
4461 | return; |
4462 | |
4463 | /* find the path for the node */ |
4464 | path = _gtk_tree_path_new_from_rbtree (tree, node); |
4465 | gtk_tree_model_get_iter (tree_model: priv->model, |
4466 | iter: &iter, |
4467 | path); |
4468 | depth = gtk_tree_path_get_depth (path); |
4469 | gtk_tree_path_free (path); |
4470 | |
4471 | drag_dest_path = NULL; |
4472 | |
4473 | if (priv->drag_dest_row) |
4474 | drag_dest_path = gtk_tree_row_reference_get_path (reference: priv->drag_dest_row); |
4475 | |
4476 | if (drag_dest_path) |
4477 | _gtk_tree_view_find_node (tree_view, path: drag_dest_path, |
4478 | tree: &drag_highlight_tree, node: &drag_highlight); |
4479 | |
4480 | draw_vgrid_lines = |
4481 | priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_VERTICAL |
4482 | || priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_BOTH; |
4483 | draw_hgrid_lines = |
4484 | priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_HORIZONTAL |
4485 | || priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_BOTH; |
4486 | expander_size = gtk_tree_view_get_expander_size (tree_view); |
4487 | |
4488 | n_visible_columns = 0; |
4489 | for (list = priv->columns; list; list = list->next) |
4490 | { |
4491 | if (!gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (list->data))) |
4492 | continue; |
4493 | n_visible_columns ++; |
4494 | } |
4495 | |
4496 | /* Find the last column */ |
4497 | for (last_column = g_list_last (list: priv->columns); |
4498 | last_column && |
4499 | !(gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (last_column->data))); |
4500 | last_column = last_column->prev) |
4501 | ; |
4502 | |
4503 | /* and the first */ |
4504 | for (first_column = g_list_first (list: priv->columns); |
4505 | first_column && |
4506 | !(gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (first_column->data))); |
4507 | first_column = first_column->next) |
4508 | ; |
4509 | |
4510 | /* Actually process the expose event. To do this, we want to |
4511 | * start at the first node of the event, and walk the tree in |
4512 | * order, drawing each successive node. |
4513 | */ |
4514 | |
4515 | parity = !(gtk_tree_rbtree_node_get_index (tree, node) % 2); |
4516 | |
4517 | do |
4518 | { |
4519 | gboolean is_separator = FALSE; |
4520 | int n_col = 0; |
4521 | |
4522 | parity = !parity; |
4523 | is_separator = row_is_separator (tree_view, iter: &iter, NULL); |
4524 | |
4525 | max_height = gtk_tree_view_get_row_height (tree_view, node); |
4526 | |
4527 | cell_offset = x_scroll_offset; |
4528 | |
4529 | background_area.y = y_offset + clip.y; |
4530 | background_area.height = max_height; |
4531 | |
4532 | flags = 0; |
4533 | |
4534 | if (GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_PRELIT)) |
4535 | flags |= GTK_CELL_RENDERER_PRELIT; |
4536 | |
4537 | if (GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_SELECTED)) |
4538 | flags |= GTK_CELL_RENDERER_SELECTED; |
4539 | |
4540 | /* we *need* to set cell data on all cells before the call |
4541 | * to _has_can_focus_cell, else _has_can_focus_cell() does not |
4542 | * return a correct value. |
4543 | */ |
4544 | for (list = (rtl ? g_list_last (list: priv->columns) : g_list_first (list: priv->columns)); |
4545 | list; |
4546 | list = (rtl ? list->prev : list->next)) |
4547 | { |
4548 | GtkTreeViewColumn *column = list->data; |
4549 | gtk_tree_view_column_cell_set_cell_data (tree_column: column, |
4550 | tree_model: priv->model, |
4551 | iter: &iter, |
4552 | GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_PARENT), |
4553 | is_expanded: node->children?TRUE:FALSE); |
4554 | } |
4555 | |
4556 | has_can_focus_cell = gtk_tree_view_has_can_focus_cell (tree_view); |
4557 | |
4558 | for (list = (rtl ? g_list_last (list: priv->columns) : g_list_first (list: priv->columns)); |
4559 | list; |
4560 | list = (rtl ? list->prev : list->next)) |
4561 | { |
4562 | GtkTreeViewColumn *column = list->data; |
4563 | GtkStateFlags state = 0; |
4564 | int width; |
4565 | gboolean draw_focus; |
4566 | |
4567 | if (!gtk_tree_view_column_get_visible (tree_column: column)) |
4568 | continue; |
4569 | |
4570 | n_col++; |
4571 | width = gtk_tree_view_column_get_width (tree_column: column); |
4572 | |
4573 | if (cell_offset > clip.x + clip.width || |
4574 | cell_offset + width < clip.x) |
4575 | { |
4576 | cell_offset += width; |
4577 | continue; |
4578 | } |
4579 | |
4580 | if (gtk_tree_view_column_get_sort_indicator (tree_column: column)) |
4581 | flags |= GTK_CELL_RENDERER_SORTED; |
4582 | else |
4583 | flags &= ~GTK_CELL_RENDERER_SORTED; |
4584 | |
4585 | if (priv->cursor_node == node) |
4586 | flags |= GTK_CELL_RENDERER_FOCUSED; |
4587 | else |
4588 | flags &= ~GTK_CELL_RENDERER_FOCUSED; |
4589 | |
4590 | if (GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_PARENT)) |
4591 | flags |= GTK_CELL_RENDERER_EXPANDABLE; |
4592 | else |
4593 | flags &= ~GTK_CELL_RENDERER_EXPANDABLE; |
4594 | |
4595 | if (node->children) |
4596 | flags |= GTK_CELL_RENDERER_EXPANDED; |
4597 | else |
4598 | flags &= ~GTK_CELL_RENDERER_EXPANDED; |
4599 | |
4600 | background_area.x = cell_offset; |
4601 | background_area.width = width; |
4602 | |
4603 | cell_area = background_area; |
4604 | cell_area.x += _TREE_VIEW_HORIZONTAL_SEPARATOR /2; |
4605 | cell_area.width -= _TREE_VIEW_HORIZONTAL_SEPARATOR; |
4606 | |
4607 | if (draw_vgrid_lines) |
4608 | { |
4609 | if (list == first_column) |
4610 | { |
4611 | cell_area.width -= _TREE_VIEW_GRID_LINE_WIDTH / 2; |
4612 | } |
4613 | else if (list == last_column) |
4614 | { |
4615 | cell_area.x += _TREE_VIEW_GRID_LINE_WIDTH / 2; |
4616 | cell_area.width -= _TREE_VIEW_GRID_LINE_WIDTH / 2; |
4617 | } |
4618 | else |
4619 | { |
4620 | cell_area.x += _TREE_VIEW_GRID_LINE_WIDTH / 2; |
4621 | cell_area.width -= _TREE_VIEW_GRID_LINE_WIDTH; |
4622 | } |
4623 | } |
4624 | |
4625 | if (draw_hgrid_lines) |
4626 | { |
4627 | cell_area.y += _TREE_VIEW_GRID_LINE_WIDTH / 2; |
4628 | cell_area.height -= _TREE_VIEW_GRID_LINE_WIDTH; |
4629 | } |
4630 | |
4631 | if (!gdk_rectangle_intersect (src1: &clip, src2: &background_area, NULL)) |
4632 | { |
4633 | cell_offset += gtk_tree_view_column_get_width (tree_column: column); |
4634 | continue; |
4635 | } |
4636 | |
4637 | background_area.x -= x_scroll_offset; |
4638 | cell_area.x -= x_scroll_offset; |
4639 | |
4640 | gtk_tree_view_column_cell_set_cell_data (tree_column: column, |
4641 | tree_model: priv->model, |
4642 | iter: &iter, |
4643 | GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_PARENT), |
4644 | is_expanded: node->children?TRUE:FALSE); |
4645 | |
4646 | gtk_style_context_save (context); |
4647 | |
4648 | state = gtk_cell_renderer_get_state (NULL, widget, cell_state: flags); |
4649 | gtk_style_context_set_state (context, flags: state); |
4650 | |
4651 | gtk_style_context_add_class (context, class_name: "cell" ); |
4652 | |
4653 | if (node == priv->cursor_node && has_can_focus_cell |
4654 | && ((column == priv->focus_column |
4655 | && priv->draw_keyfocus && |
4656 | gtk_widget_has_visible_focus (widget)) |
4657 | || (column == priv->edited_column))) |
4658 | draw_focus = TRUE; |
4659 | else |
4660 | draw_focus = FALSE; |
4661 | |
4662 | /* Draw background */ |
4663 | gtk_snapshot_render_background (snapshot, context, |
4664 | x: background_area.x, |
4665 | y: background_area.y, |
4666 | width: background_area.width, |
4667 | height: background_area.height); |
4668 | |
4669 | /* Draw frame */ |
4670 | gtk_snapshot_render_frame (snapshot, context, |
4671 | x: background_area.x, |
4672 | y: background_area.y, |
4673 | width: background_area.width, |
4674 | height: background_area.height); |
4675 | |
4676 | if (gtk_tree_view_is_expander_column (tree_view, column)) |
4677 | { |
4678 | if (!rtl) |
4679 | cell_area.x += (depth - 1) * priv->level_indentation; |
4680 | cell_area.width -= (depth - 1) * priv->level_indentation; |
4681 | |
4682 | if (gtk_tree_view_draw_expanders (tree_view)) |
4683 | { |
4684 | if (!rtl) |
4685 | cell_area.x += depth * expander_size; |
4686 | cell_area.width -= depth * expander_size; |
4687 | } |
4688 | |
4689 | if (is_separator) |
4690 | { |
4691 | GdkRGBA color; |
4692 | |
4693 | gtk_style_context_save (context); |
4694 | gtk_style_context_add_class (context, class_name: "separator" ); |
4695 | |
4696 | gtk_style_context_get_color (context, color: &color); |
4697 | gtk_snapshot_append_color (snapshot, |
4698 | color: &color, |
4699 | bounds: &GRAPHENE_RECT_INIT( |
4700 | cell_area.x, |
4701 | cell_area.y + cell_area.height / 2, |
4702 | cell_area.x + cell_area.width, |
4703 | 1 |
4704 | )); |
4705 | |
4706 | gtk_style_context_restore (context); |
4707 | } |
4708 | else |
4709 | { |
4710 | gtk_tree_view_column_cell_snapshot (tree_column: column, |
4711 | snapshot, |
4712 | background_area: &background_area, |
4713 | cell_area: &cell_area, |
4714 | flags, |
4715 | draw_focus); |
4716 | } |
4717 | |
4718 | if (gtk_tree_view_draw_expanders (tree_view) |
4719 | && (node->flags & GTK_TREE_RBNODE_IS_PARENT) == GTK_TREE_RBNODE_IS_PARENT) |
4720 | { |
4721 | gtk_tree_view_snapshot_arrow (GTK_TREE_VIEW (widget), |
4722 | snapshot, |
4723 | tree, |
4724 | node); |
4725 | } |
4726 | } |
4727 | else |
4728 | { |
4729 | if (is_separator) |
4730 | { |
4731 | GdkRGBA color; |
4732 | |
4733 | gtk_style_context_save (context); |
4734 | gtk_style_context_add_class (context, class_name: "separator" ); |
4735 | |
4736 | gtk_style_context_get_color (context, color: &color); |
4737 | gtk_snapshot_append_color (snapshot, |
4738 | color: &color, |
4739 | bounds: &GRAPHENE_RECT_INIT( |
4740 | cell_area.x, |
4741 | cell_area.y + cell_area.height / 2, |
4742 | cell_area.x + cell_area.width, |
4743 | 1 |
4744 | )); |
4745 | |
4746 | gtk_style_context_restore (context); |
4747 | } |
4748 | else |
4749 | gtk_tree_view_column_cell_snapshot (tree_column: column, |
4750 | snapshot, |
4751 | background_area: &background_area, |
4752 | cell_area: &cell_area, |
4753 | flags, |
4754 | draw_focus); |
4755 | } |
4756 | |
4757 | if (draw_hgrid_lines) |
4758 | { |
4759 | if (background_area.y >= clip.y) |
4760 | gtk_tree_view_snapshot_grid_line (tree_view, |
4761 | snapshot, |
4762 | orientation: GTK_ORIENTATION_HORIZONTAL, |
4763 | start: &(graphene_point_t) { |
4764 | background_area.x, background_area.y |
4765 | }, |
4766 | size: background_area.width); |
4767 | |
4768 | if (background_area.y + max_height < clip.y + clip.height) |
4769 | gtk_tree_view_snapshot_grid_line (tree_view, |
4770 | snapshot, |
4771 | orientation: GTK_ORIENTATION_HORIZONTAL, |
4772 | start: &(graphene_point_t) { |
4773 | background_area.x, background_area.y + max_height |
4774 | }, |
4775 | size: background_area.width); |
4776 | } |
4777 | |
4778 | if (gtk_tree_view_is_expander_column (tree_view, column) && |
4779 | priv->tree_lines_enabled) |
4780 | { |
4781 | int x = background_area.x; |
4782 | int mult = rtl ? -1 : 1; |
4783 | int y0 = background_area.y; |
4784 | int y1 = background_area.y + background_area.height/2; |
4785 | int y2 = background_area.y + background_area.height; |
4786 | |
4787 | if (rtl) |
4788 | x += background_area.width - 1; |
4789 | |
4790 | if ((node->flags & GTK_TREE_RBNODE_IS_PARENT) == GTK_TREE_RBNODE_IS_PARENT && |
4791 | depth > 1) |
4792 | { |
4793 | gtk_tree_view_snapshot_tree_line (tree_view, |
4794 | snapshot, |
4795 | orientation: GTK_ORIENTATION_HORIZONTAL, |
4796 | start: &(graphene_point_t) { |
4797 | x + expander_size * (depth - 1.5) * mult, |
4798 | y1 |
4799 | }, |
4800 | size: mult * expander_size * 0.4); |
4801 | |
4802 | } |
4803 | else if (depth > 1) |
4804 | { |
4805 | gtk_tree_view_snapshot_tree_line (tree_view, |
4806 | snapshot, |
4807 | orientation: GTK_ORIENTATION_HORIZONTAL, |
4808 | start: &(graphene_point_t) { |
4809 | x + expander_size * (depth - 1.5) * mult, |
4810 | y1 |
4811 | }, |
4812 | size: mult * expander_size); |
4813 | } |
4814 | |
4815 | if (depth > 1) |
4816 | { |
4817 | int i; |
4818 | GtkTreeRBNode *tmp_node; |
4819 | GtkTreeRBTree *tmp_tree; |
4820 | |
4821 | if (!gtk_tree_rbtree_next (tree, node)) |
4822 | gtk_tree_view_snapshot_tree_line (tree_view, |
4823 | snapshot, |
4824 | orientation: GTK_ORIENTATION_VERTICAL, |
4825 | start: &(graphene_point_t) { |
4826 | x + expander_size * (depth - 1.5) * mult, |
4827 | y0 |
4828 | }, |
4829 | size: y1 - y0); |
4830 | else |
4831 | gtk_tree_view_snapshot_tree_line (tree_view, |
4832 | snapshot, |
4833 | orientation: GTK_ORIENTATION_VERTICAL, |
4834 | start: &(graphene_point_t) { |
4835 | x + expander_size * (depth - 1.5) * mult, |
4836 | y0 |
4837 | }, |
4838 | size: y2 - y0); |
4839 | |
4840 | tmp_node = tree->parent_node; |
4841 | tmp_tree = tree->parent_tree; |
4842 | |
4843 | for (i = depth - 2; i > 0; i--) |
4844 | { |
4845 | if (gtk_tree_rbtree_next (tree: tmp_tree, node: tmp_node)) |
4846 | gtk_tree_view_snapshot_tree_line (tree_view, |
4847 | snapshot, |
4848 | orientation: GTK_ORIENTATION_VERTICAL, |
4849 | start: &(graphene_point_t) { |
4850 | x + expander_size * (i - 0.5) * mult, |
4851 | y0 |
4852 | }, |
4853 | size: y2 - y0); |
4854 | tmp_node = tmp_tree->parent_node; |
4855 | tmp_tree = tmp_tree->parent_tree; |
4856 | } |
4857 | } |
4858 | } |
4859 | |
4860 | gtk_style_context_restore (context); |
4861 | cell_offset += gtk_tree_view_column_get_width (tree_column: column); |
4862 | } |
4863 | |
4864 | if (node == drag_highlight) |
4865 | { |
4866 | GtkTreeRBTree *drag_tree = NULL; |
4867 | GtkTreeRBNode *drag_node = NULL; |
4868 | |
4869 | _gtk_tree_view_find_node (tree_view, path: drag_dest_path, tree: &drag_tree, node: &drag_node); |
4870 | if (drag_tree != NULL) |
4871 | { |
4872 | TreeViewDragInfo *di; |
4873 | |
4874 | di = get_info (tree_view); |
4875 | /* Draw indicator for the drop |
4876 | */ |
4877 | |
4878 | switch (priv->drag_dest_pos) |
4879 | { |
4880 | case GTK_TREE_VIEW_DROP_BEFORE: |
4881 | gtk_css_node_set_classes (cssnode: di->cssnode, classes: (const char *[]){"before" , NULL}); |
4882 | break; |
4883 | |
4884 | case GTK_TREE_VIEW_DROP_AFTER: |
4885 | gtk_css_node_set_classes (cssnode: di->cssnode, classes: (const char *[]){"after" , NULL}); |
4886 | break; |
4887 | |
4888 | case GTK_TREE_VIEW_DROP_INTO_OR_BEFORE: |
4889 | case GTK_TREE_VIEW_DROP_INTO_OR_AFTER: |
4890 | gtk_css_node_set_classes (cssnode: di->cssnode, classes: (const char *[]){"into" , NULL}); |
4891 | break; |
4892 | |
4893 | default: |
4894 | break; |
4895 | } |
4896 | |
4897 | gtk_style_context_save_to_node (context, node: di->cssnode); |
4898 | gtk_style_context_set_state (context, flags: gtk_style_context_get_state (context) | GTK_STATE_FLAG_DROP_ACTIVE); |
4899 | |
4900 | gtk_snapshot_render_frame (snapshot, context, |
4901 | x: 0, y: gtk_tree_view_get_row_y_offset (tree_view, tree: drag_tree, node: drag_node), |
4902 | width: bin_window_width, |
4903 | height: gtk_tree_view_get_row_height (tree_view, node: drag_node)); |
4904 | |
4905 | gtk_style_context_restore (context); |
4906 | } |
4907 | } |
4908 | |
4909 | /* draw the big row-spanning focus rectangle, if needed */ |
4910 | if (!has_can_focus_cell && node == priv->cursor_node && |
4911 | priv->draw_keyfocus && |
4912 | gtk_widget_has_visible_focus (widget)) |
4913 | { |
4914 | int tmp_y, tmp_height; |
4915 | GtkStateFlags focus_rect_state = 0; |
4916 | |
4917 | gtk_style_context_save (context); |
4918 | |
4919 | focus_rect_state = gtk_cell_renderer_get_state (NULL, widget, cell_state: flags); |
4920 | gtk_style_context_set_state (context, flags: focus_rect_state); |
4921 | |
4922 | if (draw_hgrid_lines) |
4923 | { |
4924 | tmp_y = gtk_tree_view_get_row_y_offset (tree_view, tree, node) + _TREE_VIEW_GRID_LINE_WIDTH / 2; |
4925 | tmp_height = gtk_tree_view_get_row_height (tree_view, node) - _TREE_VIEW_GRID_LINE_WIDTH; |
4926 | } |
4927 | else |
4928 | { |
4929 | tmp_y = gtk_tree_view_get_row_y_offset (tree_view, tree, node); |
4930 | tmp_height = gtk_tree_view_get_row_height (tree_view, node); |
4931 | } |
4932 | |
4933 | gtk_snapshot_render_focus (snapshot, context, |
4934 | x: 0, y: tmp_y, |
4935 | width: bin_window_width, |
4936 | height: tmp_height); |
4937 | |
4938 | gtk_style_context_restore (context); |
4939 | } |
4940 | |
4941 | y_offset += max_height; |
4942 | if (node->children) |
4943 | { |
4944 | GtkTreeIter parent = iter; |
4945 | gboolean has_child; |
4946 | |
4947 | tree = node->children; |
4948 | node = gtk_tree_rbtree_first (tree); |
4949 | |
4950 | has_child = gtk_tree_model_iter_children (tree_model: priv->model, |
4951 | iter: &iter, |
4952 | parent: &parent); |
4953 | depth++; |
4954 | |
4955 | /* Sanity Check! */ |
4956 | TREE_VIEW_INTERNAL_ASSERT_VOID (has_child); |
4957 | } |
4958 | else |
4959 | { |
4960 | gboolean done = FALSE; |
4961 | |
4962 | do |
4963 | { |
4964 | node = gtk_tree_rbtree_next (tree, node); |
4965 | if (node != NULL) |
4966 | { |
4967 | gboolean has_next = gtk_tree_model_iter_next (tree_model: priv->model, iter: &iter); |
4968 | done = TRUE; |
4969 | |
4970 | /* Sanity Check! */ |
4971 | TREE_VIEW_INTERNAL_ASSERT_VOID (has_next); |
4972 | } |
4973 | else |
4974 | { |
4975 | GtkTreeIter parent_iter = iter; |
4976 | gboolean has_parent; |
4977 | |
4978 | node = tree->parent_node; |
4979 | tree = tree->parent_tree; |
4980 | if (tree == NULL) |
4981 | /* we should go to done to free some memory */ |
4982 | goto done; |
4983 | has_parent = gtk_tree_model_iter_parent (tree_model: priv->model, |
4984 | iter: &iter, |
4985 | child: &parent_iter); |
4986 | depth--; |
4987 | |
4988 | /* Sanity check */ |
4989 | TREE_VIEW_INTERNAL_ASSERT_VOID (has_parent); |
4990 | } |
4991 | } |
4992 | while (!done); |
4993 | } |
4994 | } |
4995 | while (y_offset < clip.height); |
4996 | |
4997 | done: |
4998 | gtk_tree_view_snapshot_grid_lines (tree_view, snapshot); |
4999 | |
5000 | if (priv->rubber_band_status == RUBBER_BAND_ACTIVE) |
5001 | gtk_tree_view_snapshot_rubber_band (tree_view, snapshot); |
5002 | |
5003 | if (drag_dest_path) |
5004 | gtk_tree_path_free (path: drag_dest_path); |
5005 | } |
5006 | |
5007 | static void |
5008 | gtk_tree_view_snapshot (GtkWidget *widget, |
5009 | GtkSnapshot *snapshot) |
5010 | { |
5011 | GtkTreeView *tree_view = GTK_TREE_VIEW (widget); |
5012 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
5013 | GtkWidget *button; |
5014 | GtkStyleContext *context; |
5015 | GList *list; |
5016 | int width, height; |
5017 | |
5018 | context = gtk_widget_get_style_context (widget); |
5019 | width = gtk_widget_get_width (widget); |
5020 | height = gtk_widget_get_height (widget); |
5021 | |
5022 | gtk_snapshot_push_clip (snapshot, |
5023 | bounds: &GRAPHENE_RECT_INIT( |
5024 | 0, gtk_tree_view_get_effective_header_height (tree_view), |
5025 | width, |
5026 | height - gtk_tree_view_get_effective_header_height (tree_view) |
5027 | )); |
5028 | |
5029 | gtk_snapshot_save (snapshot); |
5030 | gtk_snapshot_translate (snapshot, point: &GRAPHENE_POINT_INIT ( |
5031 | - (int) gtk_adjustment_get_value (priv->hadjustment), |
5032 | gtk_tree_view_get_effective_header_height (tree_view))); |
5033 | gtk_tree_view_bin_snapshot (widget, snapshot); |
5034 | gtk_snapshot_restore (snapshot); |
5035 | |
5036 | /* We can't just chain up to Container::draw as it will try to send the |
5037 | * event to the headers, so we handle propagating it to our children |
5038 | * (eg. widgets being edited) ourselves. |
5039 | */ |
5040 | for (list = priv->children; list; list = list->next) |
5041 | { |
5042 | GtkTreeViewChild *child = list->data; |
5043 | |
5044 | gtk_widget_snapshot_child (widget, child: child->widget, snapshot); |
5045 | } |
5046 | |
5047 | gtk_snapshot_pop (snapshot); |
5048 | |
5049 | gtk_snapshot_push_clip (snapshot, |
5050 | bounds: &GRAPHENE_RECT_INIT( |
5051 | 0, 0, |
5052 | width, |
5053 | gtk_tree_view_get_effective_header_height (tree_view) |
5054 | )); |
5055 | |
5056 | gtk_style_context_save (context); |
5057 | gtk_style_context_remove_class (context, class_name: "view" ); |
5058 | |
5059 | for (list = priv->columns; list != NULL; list = list->next) |
5060 | { |
5061 | GtkTreeViewColumn *column = list->data; |
5062 | |
5063 | if (column == priv->drag_column) |
5064 | continue; |
5065 | |
5066 | if (gtk_tree_view_column_get_visible (tree_column: column)) |
5067 | { |
5068 | button = gtk_tree_view_column_get_button (tree_column: column); |
5069 | gtk_widget_snapshot_child (widget, child: button, snapshot); |
5070 | } |
5071 | } |
5072 | |
5073 | if (priv->drag_column) |
5074 | { |
5075 | button = gtk_tree_view_column_get_button (tree_column: priv->drag_column); |
5076 | gtk_widget_snapshot_child (widget, child: button, snapshot); |
5077 | } |
5078 | |
5079 | gtk_style_context_restore (context); |
5080 | |
5081 | gtk_snapshot_pop (snapshot); |
5082 | } |
5083 | |
5084 | enum |
5085 | { |
5086 | DROP_HOME, |
5087 | DROP_RIGHT, |
5088 | DROP_LEFT, |
5089 | DROP_END |
5090 | }; |
5091 | |
5092 | /* returns 0x1 when no column has been found -- yes it's hackish */ |
5093 | static GtkTreeViewColumn * |
5094 | gtk_tree_view_get_drop_column (GtkTreeView *tree_view, |
5095 | GtkTreeViewColumn *column, |
5096 | int drop_position) |
5097 | { |
5098 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
5099 | GtkTreeViewColumn *left_column = NULL; |
5100 | GtkTreeViewColumn *cur_column = NULL; |
5101 | GList *tmp_list; |
5102 | |
5103 | if (!gtk_tree_view_column_get_reorderable (tree_column: column)) |
5104 | return (GtkTreeViewColumn *)0x1; |
5105 | |
5106 | switch (drop_position) |
5107 | { |
5108 | case DROP_HOME: |
5109 | /* find first column where we can drop */ |
5110 | tmp_list = priv->columns; |
5111 | if (column == GTK_TREE_VIEW_COLUMN (tmp_list->data)) |
5112 | return (GtkTreeViewColumn *)0x1; |
5113 | |
5114 | while (tmp_list) |
5115 | { |
5116 | g_assert (tmp_list); |
5117 | |
5118 | cur_column = GTK_TREE_VIEW_COLUMN (tmp_list->data); |
5119 | tmp_list = tmp_list->next; |
5120 | |
5121 | if (left_column && |
5122 | gtk_tree_view_column_get_visible (tree_column: left_column) == FALSE) |
5123 | continue; |
5124 | |
5125 | if (!priv->column_drop_func) |
5126 | return left_column; |
5127 | |
5128 | if (!priv->column_drop_func (tree_view, column, left_column, cur_column, priv->column_drop_func_data)) |
5129 | { |
5130 | left_column = cur_column; |
5131 | continue; |
5132 | } |
5133 | |
5134 | return left_column; |
5135 | } |
5136 | |
5137 | if (!priv->column_drop_func) |
5138 | return left_column; |
5139 | |
5140 | if (priv->column_drop_func (tree_view, column, left_column, NULL, priv->column_drop_func_data)) |
5141 | return left_column; |
5142 | else |
5143 | return (GtkTreeViewColumn *)0x1; |
5144 | break; |
5145 | |
5146 | case DROP_RIGHT: |
5147 | /* find first column after column where we can drop */ |
5148 | tmp_list = priv->columns; |
5149 | |
5150 | for (; tmp_list; tmp_list = tmp_list->next) |
5151 | if (GTK_TREE_VIEW_COLUMN (tmp_list->data) == column) |
5152 | break; |
5153 | |
5154 | if (!tmp_list || !tmp_list->next) |
5155 | return (GtkTreeViewColumn *)0x1; |
5156 | |
5157 | tmp_list = tmp_list->next; |
5158 | left_column = GTK_TREE_VIEW_COLUMN (tmp_list->data); |
5159 | tmp_list = tmp_list->next; |
5160 | |
5161 | while (tmp_list) |
5162 | { |
5163 | g_assert (tmp_list); |
5164 | |
5165 | cur_column = GTK_TREE_VIEW_COLUMN (tmp_list->data); |
5166 | tmp_list = tmp_list->next; |
5167 | |
5168 | if (left_column && |
5169 | gtk_tree_view_column_get_visible (tree_column: left_column) == FALSE) |
5170 | { |
5171 | left_column = cur_column; |
5172 | if (tmp_list) |
5173 | tmp_list = tmp_list->next; |
5174 | continue; |
5175 | } |
5176 | |
5177 | if (!priv->column_drop_func) |
5178 | return left_column; |
5179 | |
5180 | if (!priv->column_drop_func (tree_view, column, left_column, cur_column, priv->column_drop_func_data)) |
5181 | { |
5182 | left_column = cur_column; |
5183 | continue; |
5184 | } |
5185 | |
5186 | return left_column; |
5187 | } |
5188 | |
5189 | if (!priv->column_drop_func) |
5190 | return left_column; |
5191 | |
5192 | if (priv->column_drop_func (tree_view, column, left_column, NULL, priv->column_drop_func_data)) |
5193 | return left_column; |
5194 | else |
5195 | return (GtkTreeViewColumn *)0x1; |
5196 | break; |
5197 | |
5198 | case DROP_LEFT: |
5199 | /* find first column before column where we can drop */ |
5200 | tmp_list = priv->columns; |
5201 | |
5202 | for (; tmp_list; tmp_list = tmp_list->next) |
5203 | if (GTK_TREE_VIEW_COLUMN (tmp_list->data) == column) |
5204 | break; |
5205 | |
5206 | if (!tmp_list || !tmp_list->prev) |
5207 | return (GtkTreeViewColumn *)0x1; |
5208 | |
5209 | tmp_list = tmp_list->prev; |
5210 | cur_column = GTK_TREE_VIEW_COLUMN (tmp_list->data); |
5211 | tmp_list = tmp_list->prev; |
5212 | |
5213 | while (tmp_list) |
5214 | { |
5215 | g_assert (tmp_list); |
5216 | |
5217 | left_column = GTK_TREE_VIEW_COLUMN (tmp_list->data); |
5218 | |
5219 | if (left_column && |
5220 | gtk_tree_view_column_get_visible (tree_column: left_column) == FALSE) |
5221 | { |
5222 | /*if (!tmp_list->prev) |
5223 | return (GtkTreeViewColumn *)0x1; |
5224 | */ |
5225 | /* |
5226 | cur_column = GTK_TREE_VIEW_COLUMN (tmp_list->prev->data); |
5227 | tmp_list = tmp_list->prev->prev; |
5228 | continue;*/ |
5229 | |
5230 | cur_column = left_column; |
5231 | if (tmp_list) |
5232 | tmp_list = tmp_list->prev; |
5233 | continue; |
5234 | } |
5235 | |
5236 | if (!priv->column_drop_func) |
5237 | return left_column; |
5238 | |
5239 | if (priv->column_drop_func (tree_view, column, left_column, cur_column, priv->column_drop_func_data)) |
5240 | return left_column; |
5241 | |
5242 | cur_column = left_column; |
5243 | tmp_list = tmp_list->prev; |
5244 | } |
5245 | |
5246 | if (!priv->column_drop_func) |
5247 | return NULL; |
5248 | |
5249 | if (priv->column_drop_func (tree_view, column, NULL, cur_column, priv->column_drop_func_data)) |
5250 | return NULL; |
5251 | else |
5252 | return (GtkTreeViewColumn *)0x1; |
5253 | break; |
5254 | |
5255 | case DROP_END: |
5256 | /* same as DROP_HOME case, but doing it backwards */ |
5257 | tmp_list = g_list_last (list: priv->columns); |
5258 | cur_column = NULL; |
5259 | |
5260 | if (column == GTK_TREE_VIEW_COLUMN (tmp_list->data)) |
5261 | return (GtkTreeViewColumn *)0x1; |
5262 | |
5263 | while (tmp_list) |
5264 | { |
5265 | g_assert (tmp_list); |
5266 | |
5267 | left_column = GTK_TREE_VIEW_COLUMN (tmp_list->data); |
5268 | |
5269 | if (left_column && |
5270 | gtk_tree_view_column_get_visible (tree_column: left_column) == FALSE) |
5271 | { |
5272 | cur_column = left_column; |
5273 | tmp_list = tmp_list->prev; |
5274 | } |
5275 | |
5276 | if (!priv->column_drop_func) |
5277 | return left_column; |
5278 | |
5279 | if (priv->column_drop_func (tree_view, column, left_column, cur_column, priv->column_drop_func_data)) |
5280 | return left_column; |
5281 | |
5282 | cur_column = left_column; |
5283 | tmp_list = tmp_list->prev; |
5284 | } |
5285 | |
5286 | if (!priv->column_drop_func) |
5287 | return NULL; |
5288 | |
5289 | if (priv->column_drop_func (tree_view, column, NULL, cur_column, priv->column_drop_func_data)) |
5290 | return NULL; |
5291 | else |
5292 | return (GtkTreeViewColumn *)0x1; |
5293 | break; |
5294 | |
5295 | default: |
5296 | return (GtkTreeViewColumn *)0x1; |
5297 | break; |
5298 | } |
5299 | } |
5300 | |
5301 | static gboolean |
5302 | gtk_tree_view_search_key_cancels_search (guint keyval) |
5303 | { |
5304 | return keyval == GDK_KEY_Escape |
5305 | || keyval == GDK_KEY_Tab |
5306 | || keyval == GDK_KEY_KP_Tab |
5307 | || keyval == GDK_KEY_ISO_Left_Tab; |
5308 | } |
5309 | |
5310 | static gboolean |
5311 | gtk_tree_view_key_controller_key_pressed (GtkEventControllerKey *key, |
5312 | guint keyval, |
5313 | guint keycode, |
5314 | GdkModifierType state, |
5315 | GtkTreeView *tree_view) |
5316 | { |
5317 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
5318 | GtkWidget *widget = GTK_WIDGET (tree_view); |
5319 | GtkWidget *button; |
5320 | |
5321 | if (priv->rubber_band_status) |
5322 | { |
5323 | if (keyval == GDK_KEY_Escape) |
5324 | gtk_tree_view_stop_rubber_band (tree_view); |
5325 | |
5326 | return TRUE; |
5327 | } |
5328 | |
5329 | if (priv->in_column_drag) |
5330 | { |
5331 | if (keyval == GDK_KEY_Escape) |
5332 | gtk_gesture_set_state (GTK_GESTURE (priv->column_drag_gesture), |
5333 | state: GTK_EVENT_SEQUENCE_DENIED); |
5334 | return TRUE; |
5335 | } |
5336 | |
5337 | if (priv->headers_visible) |
5338 | { |
5339 | GList *focus_column; |
5340 | gboolean rtl; |
5341 | |
5342 | rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); |
5343 | |
5344 | for (focus_column = priv->columns; |
5345 | focus_column; |
5346 | focus_column = focus_column->next) |
5347 | { |
5348 | GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN (focus_column->data); |
5349 | |
5350 | button = gtk_tree_view_column_get_button (tree_column: column); |
5351 | if (gtk_widget_has_focus (widget: button)) |
5352 | break; |
5353 | } |
5354 | |
5355 | if (focus_column && |
5356 | (state & GDK_SHIFT_MASK) && (state & GDK_ALT_MASK) && |
5357 | (keyval == GDK_KEY_Left || keyval == GDK_KEY_KP_Left |
5358 | || keyval == GDK_KEY_Right || keyval == GDK_KEY_KP_Right)) |
5359 | { |
5360 | GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN (focus_column->data); |
5361 | int column_width; |
5362 | |
5363 | if (!gtk_tree_view_column_get_resizable (tree_column: column)) |
5364 | { |
5365 | gtk_widget_error_bell (widget); |
5366 | return TRUE; |
5367 | } |
5368 | |
5369 | column_width = gtk_tree_view_column_get_width (tree_column: column); |
5370 | |
5371 | if (keyval == (rtl ? GDK_KEY_Right : GDK_KEY_Left) |
5372 | || keyval == (rtl ? GDK_KEY_KP_Right : GDK_KEY_KP_Left)) |
5373 | { |
5374 | column_width = MAX (column_width - 2, 0); |
5375 | } |
5376 | else if (keyval == (rtl ? GDK_KEY_Left : GDK_KEY_Right) |
5377 | || keyval == (rtl ? GDK_KEY_KP_Left : GDK_KEY_KP_Right)) |
5378 | { |
5379 | column_width = column_width + 2; |
5380 | } |
5381 | |
5382 | gtk_tree_view_column_set_fixed_width (tree_column: column, fixed_width: column_width); |
5383 | gtk_tree_view_column_set_expand (tree_column: column, FALSE); |
5384 | return TRUE; |
5385 | } |
5386 | |
5387 | if (focus_column && |
5388 | (state & GDK_ALT_MASK) && |
5389 | (keyval == GDK_KEY_Left || keyval == GDK_KEY_KP_Left |
5390 | || keyval == GDK_KEY_Right || keyval == GDK_KEY_KP_Right |
5391 | || keyval == GDK_KEY_Home || keyval == GDK_KEY_KP_Home |
5392 | || keyval == GDK_KEY_End || keyval == GDK_KEY_KP_End)) |
5393 | { |
5394 | GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN (focus_column->data); |
5395 | |
5396 | if (keyval == (rtl ? GDK_KEY_Right : GDK_KEY_Left) |
5397 | || keyval == (rtl ? GDK_KEY_KP_Right : GDK_KEY_KP_Left)) |
5398 | { |
5399 | GtkTreeViewColumn *col; |
5400 | col = gtk_tree_view_get_drop_column (tree_view, column, drop_position: DROP_LEFT); |
5401 | if (col != (GtkTreeViewColumn *)0x1) |
5402 | gtk_tree_view_move_column_after (tree_view, column, base_column: col); |
5403 | else |
5404 | gtk_widget_error_bell (widget); |
5405 | } |
5406 | else if (keyval == (rtl ? GDK_KEY_Left : GDK_KEY_Right) |
5407 | || keyval == (rtl ? GDK_KEY_KP_Left : GDK_KEY_KP_Right)) |
5408 | { |
5409 | GtkTreeViewColumn *col; |
5410 | col = gtk_tree_view_get_drop_column (tree_view, column, drop_position: DROP_RIGHT); |
5411 | if (col != (GtkTreeViewColumn *)0x1) |
5412 | gtk_tree_view_move_column_after (tree_view, column, base_column: col); |
5413 | else |
5414 | gtk_widget_error_bell (widget); |
5415 | } |
5416 | else if (keyval == GDK_KEY_Home || keyval == GDK_KEY_KP_Home) |
5417 | { |
5418 | GtkTreeViewColumn *col; |
5419 | col = gtk_tree_view_get_drop_column (tree_view, column, drop_position: DROP_HOME); |
5420 | if (col != (GtkTreeViewColumn *)0x1) |
5421 | gtk_tree_view_move_column_after (tree_view, column, base_column: col); |
5422 | else |
5423 | gtk_widget_error_bell (widget); |
5424 | } |
5425 | else if (keyval == GDK_KEY_End || keyval == GDK_KEY_KP_End) |
5426 | { |
5427 | GtkTreeViewColumn *col; |
5428 | col = gtk_tree_view_get_drop_column (tree_view, column, drop_position: DROP_END); |
5429 | if (col != (GtkTreeViewColumn *)0x1) |
5430 | gtk_tree_view_move_column_after (tree_view, column, base_column: col); |
5431 | else |
5432 | gtk_widget_error_bell (widget); |
5433 | } |
5434 | |
5435 | return TRUE; |
5436 | } |
5437 | } |
5438 | |
5439 | return FALSE; |
5440 | } |
5441 | |
5442 | static gboolean |
5443 | gtk_tree_view_forward_controller_key_pressed (GtkEventControllerKey *key, |
5444 | guint keyval, |
5445 | guint keycode, |
5446 | GdkModifierType state, |
5447 | GtkTreeView *tree_view) |
5448 | { |
5449 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
5450 | |
5451 | if (priv->search_entry_avoid_unhandled_binding) |
5452 | { |
5453 | priv->search_entry_avoid_unhandled_binding = FALSE; |
5454 | return FALSE; |
5455 | } |
5456 | |
5457 | /* Initially, before the search window is visible, we pass the event to the |
5458 | * IM context of the search entry box. If it triggers a commit or a preedit, |
5459 | * we then show the search window without losing tree view focus. |
5460 | * If the search window is already visible, we forward the events to it, |
5461 | * keeping the focus on the tree view. |
5462 | */ |
5463 | if (gtk_widget_has_focus (GTK_WIDGET (tree_view)) |
5464 | && priv->enable_search |
5465 | && !priv->search_custom_entry_set |
5466 | && !gtk_tree_view_search_key_cancels_search (keyval)) |
5467 | { |
5468 | gtk_tree_view_ensure_interactive_directory (tree_view); |
5469 | |
5470 | if (!gtk_widget_is_visible (widget: priv->search_popover)) |
5471 | { |
5472 | priv->imcontext_changed = FALSE; |
5473 | |
5474 | gtk_event_controller_key_forward (controller: key, widget: priv->search_entry); |
5475 | |
5476 | if (priv->imcontext_changed) |
5477 | return gtk_tree_view_real_start_interactive_search (tree_view, FALSE); |
5478 | } |
5479 | } |
5480 | |
5481 | return FALSE; |
5482 | } |
5483 | |
5484 | static void |
5485 | gtk_tree_view_key_controller_key_released (GtkEventControllerKey *key, |
5486 | guint keyval, |
5487 | guint keycode, |
5488 | GdkModifierType state, |
5489 | GtkTreeView *tree_view) |
5490 | { |
5491 | } |
5492 | |
5493 | static void |
5494 | gtk_tree_view_motion_controller_enter (GtkEventControllerMotion *controller, |
5495 | double x, |
5496 | double y, |
5497 | GtkTreeView *tree_view) |
5498 | { |
5499 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
5500 | GtkTreeRBTree *tree; |
5501 | GtkTreeRBNode *node; |
5502 | int new_y; |
5503 | |
5504 | if (priv->tree == NULL) |
5505 | return; |
5506 | |
5507 | /* find the node internally */ |
5508 | new_y = TREE_WINDOW_Y_TO_RBTREE_Y(priv, y); |
5509 | if (new_y < 0) |
5510 | new_y = 0; |
5511 | gtk_tree_rbtree_find_offset (tree: priv->tree, offset: new_y, new_tree: &tree, new_node: &node); |
5512 | |
5513 | priv->event_last_x = x; |
5514 | priv->event_last_y = y; |
5515 | |
5516 | if ((priv->button_pressed_node == NULL) || |
5517 | (priv->button_pressed_node == node)) |
5518 | prelight_or_select (tree_view, tree, node, x, y); |
5519 | } |
5520 | |
5521 | static void |
5522 | gtk_tree_view_motion_controller_leave (GtkEventControllerMotion *controller, |
5523 | GtkTreeView *tree_view) |
5524 | { |
5525 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
5526 | |
5527 | if (priv->prelight_node) |
5528 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
5529 | |
5530 | priv->event_last_x = -10000; |
5531 | priv->event_last_y = -10000; |
5532 | |
5533 | prelight_or_select (tree_view, NULL, NULL, x: -1000, y: -1000); /* not possibly over an arrow */ |
5534 | } |
5535 | |
5536 | static void |
5537 | gtk_tree_view_focus_controller_focus_out (GtkEventController *focus, |
5538 | GtkTreeView *tree_view) |
5539 | { |
5540 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
5541 | |
5542 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
5543 | |
5544 | if (priv->search_popover && |
5545 | !gtk_event_controller_focus_contains_focus (GTK_EVENT_CONTROLLER_FOCUS (focus))) |
5546 | gtk_tree_view_search_popover_hide (search_popover: priv->search_popover, tree_view); |
5547 | } |
5548 | |
5549 | /* Incremental Reflow |
5550 | */ |
5551 | |
5552 | static int |
5553 | get_separator_height (GtkTreeView *tree_view) |
5554 | { |
5555 | GtkStyleContext *context; |
5556 | GtkCssStyle *style; |
5557 | double d; |
5558 | int min_size; |
5559 | |
5560 | context = gtk_widget_get_style_context (GTK_WIDGET (tree_view)); |
5561 | gtk_style_context_save (context); |
5562 | gtk_style_context_add_class (context, class_name: "separator" ); |
5563 | |
5564 | style = gtk_style_context_lookup_style (context); |
5565 | d = _gtk_css_number_value_get (number: style->size->min_height, one_hundred_percent: 100); |
5566 | |
5567 | if (d < 1) |
5568 | min_size = ceil (x: d); |
5569 | else |
5570 | min_size = floor (x: d); |
5571 | |
5572 | gtk_style_context_restore (context); |
5573 | |
5574 | return min_size; |
5575 | } |
5576 | |
5577 | /* Returns TRUE if it updated the size |
5578 | */ |
5579 | static gboolean |
5580 | validate_row (GtkTreeView *tree_view, |
5581 | GtkTreeRBTree *tree, |
5582 | GtkTreeRBNode *node, |
5583 | GtkTreeIter *iter, |
5584 | GtkTreePath *path) |
5585 | { |
5586 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
5587 | GtkTreeViewColumn *column; |
5588 | GtkStyleContext *context; |
5589 | GList *list, *first_column, *last_column; |
5590 | int height = 0; |
5591 | int depth = gtk_tree_path_get_depth (path); |
5592 | gboolean retval = FALSE; |
5593 | gboolean is_separator = FALSE; |
5594 | gboolean draw_vgrid_lines, draw_hgrid_lines; |
5595 | int expander_size; |
5596 | int separator_height; |
5597 | |
5598 | /* double check the row needs validating */ |
5599 | if (! GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_INVALID) && |
5600 | ! GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_COLUMN_INVALID)) |
5601 | return FALSE; |
5602 | |
5603 | is_separator = row_is_separator (tree_view, iter, NULL); |
5604 | |
5605 | draw_vgrid_lines = |
5606 | priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_VERTICAL |
5607 | || priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_BOTH; |
5608 | draw_hgrid_lines = |
5609 | priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_HORIZONTAL |
5610 | || priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_BOTH; |
5611 | expander_size = gtk_tree_view_get_expander_size (tree_view); |
5612 | |
5613 | for (last_column = g_list_last (list: priv->columns); |
5614 | last_column && |
5615 | !(gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (last_column->data))); |
5616 | last_column = last_column->prev) |
5617 | ; |
5618 | |
5619 | for (first_column = g_list_first (list: priv->columns); |
5620 | first_column && |
5621 | !(gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (first_column->data))); |
5622 | first_column = first_column->next) |
5623 | ; |
5624 | |
5625 | separator_height = get_separator_height (tree_view); |
5626 | |
5627 | context = gtk_widget_get_style_context (GTK_WIDGET (tree_view)); |
5628 | gtk_style_context_save (context); |
5629 | gtk_style_context_add_class (context, class_name: "cell" ); |
5630 | |
5631 | for (list = priv->columns; list; list = list->next) |
5632 | { |
5633 | int padding = 0; |
5634 | int original_width; |
5635 | int new_width; |
5636 | int row_height; |
5637 | |
5638 | column = list->data; |
5639 | |
5640 | if (!gtk_tree_view_column_get_visible (tree_column: column)) |
5641 | continue; |
5642 | |
5643 | if (GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_COLUMN_INVALID) && |
5644 | !_gtk_tree_view_column_cell_get_dirty (tree_column: column)) |
5645 | continue; |
5646 | |
5647 | original_width = _gtk_tree_view_column_get_requested_width (column); |
5648 | |
5649 | gtk_tree_view_column_cell_set_cell_data (tree_column: column, tree_model: priv->model, iter, |
5650 | GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_PARENT), |
5651 | is_expanded: node->children?TRUE:FALSE); |
5652 | gtk_tree_view_column_cell_get_size (tree_column: column, |
5653 | NULL, NULL, |
5654 | NULL, height: &row_height); |
5655 | |
5656 | if (is_separator) |
5657 | { |
5658 | height = separator_height; |
5659 | /* gtk_tree_view_get_row_height() assumes separator nodes are > 0 */ |
5660 | height = MAX (height, 1); |
5661 | } |
5662 | else |
5663 | { |
5664 | height = MAX (height, row_height); |
5665 | height = MAX (height, expander_size); |
5666 | } |
5667 | |
5668 | if (gtk_tree_view_is_expander_column (tree_view, column)) |
5669 | { |
5670 | padding += _TREE_VIEW_HORIZONTAL_SEPARATOR + (depth - 1) * priv->level_indentation; |
5671 | |
5672 | if (gtk_tree_view_draw_expanders (tree_view)) |
5673 | padding += depth * expander_size; |
5674 | } |
5675 | else |
5676 | padding += _TREE_VIEW_HORIZONTAL_SEPARATOR; |
5677 | |
5678 | if (draw_vgrid_lines) |
5679 | { |
5680 | if (list->data == first_column || list->data == last_column) |
5681 | padding += _TREE_VIEW_GRID_LINE_WIDTH / 2.0; |
5682 | else |
5683 | padding += _TREE_VIEW_GRID_LINE_WIDTH; |
5684 | } |
5685 | |
5686 | /* Update the padding for the column */ |
5687 | _gtk_tree_view_column_push_padding (column, padding); |
5688 | new_width = _gtk_tree_view_column_get_requested_width (column); |
5689 | |
5690 | if (new_width > original_width) |
5691 | retval = TRUE; |
5692 | } |
5693 | |
5694 | gtk_style_context_restore (context); |
5695 | |
5696 | if (draw_hgrid_lines) |
5697 | height += _TREE_VIEW_GRID_LINE_WIDTH; |
5698 | |
5699 | if (height != GTK_TREE_RBNODE_GET_HEIGHT (node)) |
5700 | { |
5701 | retval = TRUE; |
5702 | gtk_tree_rbtree_node_set_height (tree, node, height); |
5703 | } |
5704 | gtk_tree_rbtree_node_mark_valid (tree, node); |
5705 | |
5706 | return retval; |
5707 | } |
5708 | |
5709 | |
5710 | static void |
5711 | validate_visible_area (GtkTreeView *tree_view) |
5712 | { |
5713 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
5714 | GtkTreePath *path = NULL; |
5715 | GtkTreePath *above_path = NULL; |
5716 | GtkTreeIter iter; |
5717 | GtkTreeRBTree *tree = NULL; |
5718 | GtkTreeRBNode *node = NULL; |
5719 | gboolean need_redraw = FALSE; |
5720 | gboolean size_changed = FALSE; |
5721 | int total_height; |
5722 | int area_above = 0; |
5723 | int area_below = 0; |
5724 | |
5725 | if (priv->tree == NULL) |
5726 | return; |
5727 | |
5728 | if (! GTK_TREE_RBNODE_FLAG_SET (priv->tree->root, GTK_TREE_RBNODE_DESCENDANTS_INVALID) && |
5729 | priv->scroll_to_path == NULL) |
5730 | return; |
5731 | |
5732 | total_height = gtk_widget_get_height (GTK_WIDGET (tree_view)) |
5733 | - gtk_tree_view_get_effective_header_height (tree_view); |
5734 | |
5735 | if (total_height == 0) |
5736 | return; |
5737 | |
5738 | /* First, we check to see if we need to scroll anywhere |
5739 | */ |
5740 | if (priv->scroll_to_path) |
5741 | { |
5742 | path = gtk_tree_row_reference_get_path (reference: priv->scroll_to_path); |
5743 | if (path && !_gtk_tree_view_find_node (tree_view, path, tree: &tree, node: &node)) |
5744 | { |
5745 | /* we are going to scroll, and will update dy */ |
5746 | gtk_tree_model_get_iter (tree_model: priv->model, iter: &iter, path); |
5747 | if (GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_INVALID) || |
5748 | GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_COLUMN_INVALID)) |
5749 | { |
5750 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
5751 | if (validate_row (tree_view, tree, node, iter: &iter, path)) |
5752 | size_changed = TRUE; |
5753 | } |
5754 | |
5755 | if (priv->scroll_to_use_align) |
5756 | { |
5757 | int height = gtk_tree_view_get_row_height (tree_view, node); |
5758 | area_above = (total_height - height) * |
5759 | priv->scroll_to_row_align; |
5760 | area_below = total_height - area_above - height; |
5761 | area_above = MAX (area_above, 0); |
5762 | area_below = MAX (area_below, 0); |
5763 | } |
5764 | else |
5765 | { |
5766 | /* two cases: |
5767 | * 1) row not visible |
5768 | * 2) row visible |
5769 | */ |
5770 | int dy; |
5771 | int height = gtk_tree_view_get_row_height (tree_view, node); |
5772 | |
5773 | dy = gtk_tree_rbtree_node_find_offset (tree, node); |
5774 | |
5775 | if (dy >= gtk_adjustment_get_value (adjustment: priv->vadjustment) && |
5776 | dy + height <= (gtk_adjustment_get_value (adjustment: priv->vadjustment) |
5777 | + gtk_adjustment_get_page_size (adjustment: priv->vadjustment))) |
5778 | { |
5779 | /* row visible: keep the row at the same position */ |
5780 | area_above = dy - gtk_adjustment_get_value (adjustment: priv->vadjustment); |
5781 | area_below = (gtk_adjustment_get_value (adjustment: priv->vadjustment) + |
5782 | gtk_adjustment_get_page_size (adjustment: priv->vadjustment)) |
5783 | - dy - height; |
5784 | } |
5785 | else |
5786 | { |
5787 | /* row not visible */ |
5788 | if (dy >= 0 |
5789 | && dy + height <= gtk_adjustment_get_page_size (adjustment: priv->vadjustment)) |
5790 | { |
5791 | /* row at the beginning -- fixed */ |
5792 | area_above = dy; |
5793 | area_below = gtk_adjustment_get_page_size (adjustment: priv->vadjustment) |
5794 | - area_above - height; |
5795 | } |
5796 | else if (dy >= (gtk_adjustment_get_upper (adjustment: priv->vadjustment) - |
5797 | gtk_adjustment_get_page_size (adjustment: priv->vadjustment))) |
5798 | { |
5799 | /* row at the end -- fixed */ |
5800 | area_above = dy - (gtk_adjustment_get_upper (adjustment: priv->vadjustment) - |
5801 | gtk_adjustment_get_page_size (adjustment: priv->vadjustment)); |
5802 | area_below = gtk_adjustment_get_page_size (adjustment: priv->vadjustment) - |
5803 | area_above - height; |
5804 | |
5805 | if (area_below < 0) |
5806 | { |
5807 | area_above = gtk_adjustment_get_page_size (adjustment: priv->vadjustment) - height; |
5808 | area_below = 0; |
5809 | } |
5810 | } |
5811 | else |
5812 | { |
5813 | /* row somewhere in the middle, bring it to the top |
5814 | * of the view |
5815 | */ |
5816 | area_above = 0; |
5817 | area_below = total_height - height; |
5818 | } |
5819 | } |
5820 | } |
5821 | } |
5822 | else |
5823 | /* the scroll to isn't valid; ignore it. |
5824 | */ |
5825 | { |
5826 | if (priv->scroll_to_path && !path) |
5827 | { |
5828 | gtk_tree_row_reference_free (reference: priv->scroll_to_path); |
5829 | priv->scroll_to_path = NULL; |
5830 | } |
5831 | if (path) |
5832 | gtk_tree_path_free (path); |
5833 | path = NULL; |
5834 | } |
5835 | } |
5836 | |
5837 | /* We didn't have a scroll_to set, so we just handle things normally |
5838 | */ |
5839 | if (path == NULL) |
5840 | { |
5841 | int offset; |
5842 | |
5843 | offset = gtk_tree_rbtree_find_offset (tree: priv->tree, |
5844 | TREE_WINDOW_Y_TO_RBTREE_Y (priv, 0), |
5845 | new_tree: &tree, new_node: &node); |
5846 | if (node == NULL) |
5847 | { |
5848 | /* In this case, nothing has been validated */ |
5849 | path = gtk_tree_path_new_first (); |
5850 | _gtk_tree_view_find_node (tree_view, path, tree: &tree, node: &node); |
5851 | } |
5852 | else |
5853 | { |
5854 | path = _gtk_tree_path_new_from_rbtree (tree, node); |
5855 | total_height += offset; |
5856 | } |
5857 | |
5858 | gtk_tree_model_get_iter (tree_model: priv->model, iter: &iter, path); |
5859 | |
5860 | if (GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_INVALID) || |
5861 | GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_COLUMN_INVALID)) |
5862 | { |
5863 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
5864 | if (validate_row (tree_view, tree, node, iter: &iter, path)) |
5865 | size_changed = TRUE; |
5866 | } |
5867 | area_above = 0; |
5868 | area_below = total_height - gtk_tree_view_get_row_height (tree_view, node); |
5869 | } |
5870 | |
5871 | above_path = gtk_tree_path_copy (path); |
5872 | |
5873 | /* if we do not validate any row above the new top_row, we will make sure |
5874 | * that the row immediately above top_row has been validated. (if we do not |
5875 | * do this, gtk_tree_rbtree_find_offset will find the row above top_row, because |
5876 | * when invalidated that row's height will be zero. and this will mess up |
5877 | * scrolling). |
5878 | */ |
5879 | if (area_above == 0) |
5880 | { |
5881 | GtkTreeRBTree *tmptree; |
5882 | GtkTreeRBNode *tmpnode; |
5883 | |
5884 | _gtk_tree_view_find_node (tree_view, path: above_path, tree: &tmptree, node: &tmpnode); |
5885 | gtk_tree_rbtree_prev_full (tree: tmptree, node: tmpnode, new_tree: &tmptree, new_node: &tmpnode); |
5886 | |
5887 | if (tmpnode) |
5888 | { |
5889 | GtkTreePath *tmppath; |
5890 | GtkTreeIter tmpiter; |
5891 | |
5892 | tmppath = _gtk_tree_path_new_from_rbtree (tree: tmptree, node: tmpnode); |
5893 | gtk_tree_model_get_iter (tree_model: priv->model, iter: &tmpiter, path: tmppath); |
5894 | |
5895 | if (GTK_TREE_RBNODE_FLAG_SET (tmpnode, GTK_TREE_RBNODE_INVALID) || |
5896 | GTK_TREE_RBNODE_FLAG_SET (tmpnode, GTK_TREE_RBNODE_COLUMN_INVALID)) |
5897 | { |
5898 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
5899 | if (validate_row (tree_view, tree: tmptree, node: tmpnode, iter: &tmpiter, path: tmppath)) |
5900 | size_changed = TRUE; |
5901 | } |
5902 | |
5903 | gtk_tree_path_free (path: tmppath); |
5904 | } |
5905 | } |
5906 | |
5907 | /* Now, we walk forwards and backwards, measuring rows. Unfortunately, |
5908 | * backwards is much slower then forward, as there is no iter_prev function. |
5909 | * We go forwards first in case we run out of tree. Then we go backwards to |
5910 | * fill out the top. |
5911 | */ |
5912 | while (node && area_below > 0) |
5913 | { |
5914 | if (node->children) |
5915 | { |
5916 | GtkTreeIter parent = iter; |
5917 | gboolean has_child; |
5918 | |
5919 | tree = node->children; |
5920 | node = gtk_tree_rbtree_first (tree); |
5921 | |
5922 | has_child = gtk_tree_model_iter_children (tree_model: priv->model, |
5923 | iter: &iter, |
5924 | parent: &parent); |
5925 | TREE_VIEW_INTERNAL_ASSERT_VOID (has_child); |
5926 | gtk_tree_path_down (path); |
5927 | } |
5928 | else |
5929 | { |
5930 | gboolean done = FALSE; |
5931 | do |
5932 | { |
5933 | node = gtk_tree_rbtree_next (tree, node); |
5934 | if (node != NULL) |
5935 | { |
5936 | gboolean has_next = gtk_tree_model_iter_next (tree_model: priv->model, iter: &iter); |
5937 | done = TRUE; |
5938 | gtk_tree_path_next (path); |
5939 | |
5940 | /* Sanity Check! */ |
5941 | TREE_VIEW_INTERNAL_ASSERT_VOID (has_next); |
5942 | } |
5943 | else |
5944 | { |
5945 | GtkTreeIter parent_iter = iter; |
5946 | gboolean has_parent; |
5947 | |
5948 | node = tree->parent_node; |
5949 | tree = tree->parent_tree; |
5950 | if (tree == NULL) |
5951 | break; |
5952 | has_parent = gtk_tree_model_iter_parent (tree_model: priv->model, |
5953 | iter: &iter, |
5954 | child: &parent_iter); |
5955 | gtk_tree_path_up (path); |
5956 | |
5957 | /* Sanity check */ |
5958 | TREE_VIEW_INTERNAL_ASSERT_VOID (has_parent); |
5959 | } |
5960 | } |
5961 | while (!done); |
5962 | } |
5963 | |
5964 | if (!node) |
5965 | break; |
5966 | |
5967 | if (GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_INVALID) || |
5968 | GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_COLUMN_INVALID)) |
5969 | { |
5970 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
5971 | if (validate_row (tree_view, tree, node, iter: &iter, path)) |
5972 | size_changed = TRUE; |
5973 | } |
5974 | |
5975 | area_below -= gtk_tree_view_get_row_height (tree_view, node); |
5976 | } |
5977 | gtk_tree_path_free (path); |
5978 | |
5979 | /* If we ran out of tree, and have extra area_below left, we need to add it |
5980 | * to area_above */ |
5981 | if (area_below > 0) |
5982 | area_above += area_below; |
5983 | |
5984 | _gtk_tree_view_find_node (tree_view, path: above_path, tree: &tree, node: &node); |
5985 | |
5986 | /* We walk backwards */ |
5987 | while (area_above > 0) |
5988 | { |
5989 | gtk_tree_rbtree_prev_full (tree, node, new_tree: &tree, new_node: &node); |
5990 | |
5991 | /* Always find the new path in the tree. We cannot just assume |
5992 | * a gtk_tree_path_prev() is enough here, as there might be children |
5993 | * in between this node and the previous sibling node. If this |
5994 | * appears to be a performance hotspot in profiles, we can look into |
5995 | * intrigate logic for keeping path, node and iter in sync like |
5996 | * we do for forward walks. (Which will be hard because of the lacking |
5997 | * iter_prev). |
5998 | */ |
5999 | |
6000 | if (node == NULL) |
6001 | break; |
6002 | |
6003 | gtk_tree_path_free (path: above_path); |
6004 | above_path = _gtk_tree_path_new_from_rbtree (tree, node); |
6005 | |
6006 | gtk_tree_model_get_iter (tree_model: priv->model, iter: &iter, path: above_path); |
6007 | |
6008 | if (GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_INVALID) || |
6009 | GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_COLUMN_INVALID)) |
6010 | { |
6011 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
6012 | if (validate_row (tree_view, tree, node, iter: &iter, path: above_path)) |
6013 | size_changed = TRUE; |
6014 | } |
6015 | area_above -= gtk_tree_view_get_row_height (tree_view, node); |
6016 | } |
6017 | |
6018 | /* if we scrolled to a path, we need to set the dy here, |
6019 | * and sync the top row accordingly |
6020 | */ |
6021 | if (priv->scroll_to_path) |
6022 | { |
6023 | gtk_tree_view_set_top_row (tree_view, path: above_path, offset: -area_above); |
6024 | gtk_tree_view_top_row_to_dy (tree_view); |
6025 | |
6026 | need_redraw = TRUE; |
6027 | } |
6028 | else if (gtk_tree_view_get_height (tree_view) <= gtk_adjustment_get_page_size (adjustment: priv->vadjustment)) |
6029 | { |
6030 | /* when we are not scrolling, we should never set dy to something |
6031 | * else than zero. we update top_row to be in sync with dy = 0. |
6032 | */ |
6033 | gtk_adjustment_set_value (GTK_ADJUSTMENT (priv->vadjustment), value: 0); |
6034 | gtk_tree_view_dy_to_top_row (tree_view); |
6035 | } |
6036 | else if (gtk_adjustment_get_value (adjustment: priv->vadjustment) + gtk_adjustment_get_page_size (adjustment: priv->vadjustment) > gtk_tree_view_get_height (tree_view)) |
6037 | { |
6038 | gtk_adjustment_set_value (GTK_ADJUSTMENT (priv->vadjustment), value: gtk_tree_view_get_height (tree_view) - gtk_adjustment_get_page_size (adjustment: priv->vadjustment)); |
6039 | gtk_tree_view_dy_to_top_row (tree_view); |
6040 | } |
6041 | else |
6042 | gtk_tree_view_top_row_to_dy (tree_view); |
6043 | |
6044 | /* update width/height and queue a resize */ |
6045 | if (size_changed) |
6046 | { |
6047 | GtkRequisition requisition; |
6048 | |
6049 | /* We temporarily guess a size, under the assumption that it will be the |
6050 | * same when we get our next size_allocate. If we don't do this, we'll be |
6051 | * in an inconsistent state if we call top_row_to_dy. */ |
6052 | |
6053 | gtk_widget_get_preferred_size (GTK_WIDGET (tree_view), |
6054 | minimum_size: &requisition, NULL); |
6055 | gtk_adjustment_set_upper (adjustment: priv->hadjustment, |
6056 | MAX (gtk_adjustment_get_upper (priv->hadjustment), requisition.width)); |
6057 | gtk_adjustment_set_upper (adjustment: priv->vadjustment, |
6058 | MAX (gtk_adjustment_get_upper (priv->vadjustment), requisition.height)); |
6059 | gtk_widget_queue_resize (GTK_WIDGET (tree_view)); |
6060 | } |
6061 | |
6062 | if (priv->scroll_to_path) |
6063 | { |
6064 | gtk_tree_row_reference_free (reference: priv->scroll_to_path); |
6065 | priv->scroll_to_path = NULL; |
6066 | } |
6067 | |
6068 | if (above_path) |
6069 | gtk_tree_path_free (path: above_path); |
6070 | |
6071 | if (priv->scroll_to_column) |
6072 | { |
6073 | priv->scroll_to_column = NULL; |
6074 | } |
6075 | if (need_redraw) |
6076 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
6077 | } |
6078 | |
6079 | static void |
6080 | initialize_fixed_height_mode (GtkTreeView *tree_view) |
6081 | { |
6082 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
6083 | |
6084 | if (!priv->tree) |
6085 | return; |
6086 | |
6087 | if (priv->fixed_height < 0) |
6088 | { |
6089 | GtkTreeIter iter; |
6090 | GtkTreePath *path; |
6091 | |
6092 | GtkTreeRBTree *tree = NULL; |
6093 | GtkTreeRBNode *node = NULL; |
6094 | |
6095 | tree = priv->tree; |
6096 | node = tree->root; |
6097 | |
6098 | path = _gtk_tree_path_new_from_rbtree (tree, node); |
6099 | gtk_tree_model_get_iter (tree_model: priv->model, iter: &iter, path); |
6100 | |
6101 | validate_row (tree_view, tree, node, iter: &iter, path); |
6102 | |
6103 | gtk_tree_path_free (path); |
6104 | |
6105 | priv->fixed_height = gtk_tree_view_get_row_height (tree_view, node); |
6106 | } |
6107 | |
6108 | gtk_tree_rbtree_set_fixed_height (tree: priv->tree, |
6109 | height: priv->fixed_height, TRUE); |
6110 | } |
6111 | |
6112 | /* Our strategy for finding nodes to validate is a little convoluted. We find |
6113 | * the left-most uninvalidated node. We then try walking right, validating |
6114 | * nodes. Once we find a valid node, we repeat the previous process of finding |
6115 | * the first invalid node. |
6116 | */ |
6117 | |
6118 | static gboolean |
6119 | do_validate_rows (GtkTreeView *tree_view, gboolean queue_resize) |
6120 | { |
6121 | static gboolean prevent_recursion_hack = FALSE; |
6122 | |
6123 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
6124 | GtkTreeRBTree *tree = NULL; |
6125 | GtkTreeRBNode *node = NULL; |
6126 | gboolean validated_area = FALSE; |
6127 | int retval = TRUE; |
6128 | GtkTreePath *path = NULL; |
6129 | GtkTreeIter iter; |
6130 | GTimer *timer; |
6131 | int i = 0; |
6132 | |
6133 | int y = -1; |
6134 | int prev_height = -1; |
6135 | gboolean fixed_height = TRUE; |
6136 | |
6137 | g_assert (tree_view); |
6138 | |
6139 | /* prevent infinite recursion via get_preferred_width() */ |
6140 | if (prevent_recursion_hack) |
6141 | return FALSE; |
6142 | |
6143 | if (priv->tree == NULL) |
6144 | return FALSE; |
6145 | |
6146 | if (priv->fixed_height_mode) |
6147 | { |
6148 | if (priv->fixed_height < 0) |
6149 | initialize_fixed_height_mode (tree_view); |
6150 | |
6151 | return FALSE; |
6152 | } |
6153 | |
6154 | timer = g_timer_new (); |
6155 | g_timer_start (timer); |
6156 | |
6157 | do |
6158 | { |
6159 | gboolean changed = FALSE; |
6160 | |
6161 | if (! GTK_TREE_RBNODE_FLAG_SET (priv->tree->root, GTK_TREE_RBNODE_DESCENDANTS_INVALID)) |
6162 | { |
6163 | retval = FALSE; |
6164 | goto done; |
6165 | } |
6166 | |
6167 | if (path != NULL) |
6168 | { |
6169 | node = gtk_tree_rbtree_next (tree, node); |
6170 | if (node != NULL) |
6171 | { |
6172 | TREE_VIEW_INTERNAL_ASSERT (gtk_tree_model_iter_next (priv->model, &iter), FALSE); |
6173 | gtk_tree_path_next (path); |
6174 | } |
6175 | else |
6176 | { |
6177 | gtk_tree_path_free (path); |
6178 | path = NULL; |
6179 | } |
6180 | } |
6181 | |
6182 | if (path == NULL) |
6183 | { |
6184 | tree = priv->tree; |
6185 | node = priv->tree->root; |
6186 | |
6187 | g_assert (GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_DESCENDANTS_INVALID)); |
6188 | |
6189 | do |
6190 | { |
6191 | if (!gtk_tree_rbtree_is_nil (node: node->left) && |
6192 | GTK_TREE_RBNODE_FLAG_SET (node->left, GTK_TREE_RBNODE_DESCENDANTS_INVALID)) |
6193 | { |
6194 | node = node->left; |
6195 | } |
6196 | else if (!gtk_tree_rbtree_is_nil (node: node->right) && |
6197 | GTK_TREE_RBNODE_FLAG_SET (node->right, GTK_TREE_RBNODE_DESCENDANTS_INVALID)) |
6198 | { |
6199 | node = node->right; |
6200 | } |
6201 | else if (GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_INVALID) || |
6202 | GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_COLUMN_INVALID)) |
6203 | { |
6204 | break; |
6205 | } |
6206 | else if (node->children != NULL) |
6207 | { |
6208 | tree = node->children; |
6209 | node = tree->root; |
6210 | } |
6211 | else |
6212 | /* RBTree corruption! All bad */ |
6213 | g_assert_not_reached (); |
6214 | } |
6215 | while (TRUE); |
6216 | path = _gtk_tree_path_new_from_rbtree (tree, node); |
6217 | gtk_tree_model_get_iter (tree_model: priv->model, iter: &iter, path); |
6218 | } |
6219 | |
6220 | changed = validate_row (tree_view, tree, node, iter: &iter, path); |
6221 | validated_area = changed || validated_area; |
6222 | |
6223 | if (changed) |
6224 | { |
6225 | int offset = gtk_tree_view_get_row_y_offset (tree_view, tree, node); |
6226 | |
6227 | if (y == -1 || y > offset) |
6228 | y = offset; |
6229 | } |
6230 | |
6231 | if (!priv->fixed_height_check) |
6232 | { |
6233 | int height; |
6234 | |
6235 | height = gtk_tree_view_get_row_height (tree_view, node); |
6236 | if (prev_height < 0) |
6237 | prev_height = height; |
6238 | else if (prev_height != height) |
6239 | fixed_height = FALSE; |
6240 | } |
6241 | |
6242 | i++; |
6243 | } |
6244 | while (g_timer_elapsed (timer, NULL) < GTK_TREE_VIEW_TIME_MS_PER_IDLE / 1000.); |
6245 | |
6246 | if (!priv->fixed_height_check) |
6247 | { |
6248 | if (fixed_height) |
6249 | gtk_tree_rbtree_set_fixed_height (tree: priv->tree, height: prev_height, FALSE); |
6250 | |
6251 | priv->fixed_height_check = 1; |
6252 | } |
6253 | |
6254 | done: |
6255 | if (validated_area) |
6256 | { |
6257 | GtkRequisition requisition; |
6258 | int dummy; |
6259 | |
6260 | /* We temporarily guess a size, under the assumption that it will be the |
6261 | * same when we get our next size_allocate. If we don't do this, we'll be |
6262 | * in an inconsistent state when we call top_row_to_dy. */ |
6263 | |
6264 | /* FIXME: This is called from size_request, for some reason it is not infinitely |
6265 | * recursing, we cannot call gtk_widget_get_preferred_size() here because that's |
6266 | * not allowed (from inside ->get_preferred_width/height() implementations, one |
6267 | * should call the vfuncs directly). However what is desired here is the full |
6268 | * size including any margins and limited by any alignment (i.e. after |
6269 | * GtkWidget:adjust_size_request() is called). |
6270 | * |
6271 | * Currently bypassing this but the real solution is to not update the scroll adjustments |
6272 | * until we've received an allocation (never update scroll adjustments from size-requests). |
6273 | */ |
6274 | prevent_recursion_hack = TRUE; |
6275 | gtk_tree_view_measure (GTK_WIDGET (tree_view), |
6276 | orientation: GTK_ORIENTATION_HORIZONTAL, |
6277 | for_size: -1, |
6278 | minimum: &requisition.width, natural: &dummy, |
6279 | NULL, NULL); |
6280 | gtk_tree_view_measure (GTK_WIDGET (tree_view), |
6281 | orientation: GTK_ORIENTATION_VERTICAL, |
6282 | for_size: -1, |
6283 | minimum: &requisition.height, natural: &dummy, |
6284 | NULL, NULL); |
6285 | prevent_recursion_hack = FALSE; |
6286 | |
6287 | /* If rows above the current position have changed height, this has |
6288 | * affected the current view and thus needs a redraw. |
6289 | */ |
6290 | if (y != -1 && y < gtk_adjustment_get_value (adjustment: priv->vadjustment)) |
6291 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
6292 | |
6293 | gtk_adjustment_set_upper (adjustment: priv->hadjustment, |
6294 | MAX (gtk_adjustment_get_upper (priv->hadjustment), requisition.width)); |
6295 | gtk_adjustment_set_upper (adjustment: priv->vadjustment, |
6296 | MAX (gtk_adjustment_get_upper (priv->vadjustment), requisition.height)); |
6297 | |
6298 | if (queue_resize) |
6299 | gtk_widget_queue_resize (GTK_WIDGET (tree_view)); |
6300 | } |
6301 | |
6302 | if (path) gtk_tree_path_free (path); |
6303 | g_timer_destroy (timer); |
6304 | |
6305 | if (!retval && gtk_widget_get_mapped (GTK_WIDGET (tree_view))) |
6306 | update_prelight (tree_view, |
6307 | x: priv->event_last_x, |
6308 | y: priv->event_last_y); |
6309 | |
6310 | return retval; |
6311 | } |
6312 | |
6313 | static void |
6314 | disable_adjustment_animation (GtkTreeView *tree_view) |
6315 | { |
6316 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
6317 | |
6318 | gtk_adjustment_enable_animation (adjustment: priv->vadjustment, |
6319 | NULL, |
6320 | duration: gtk_adjustment_get_animation_duration (adjustment: priv->vadjustment)); |
6321 | } |
6322 | |
6323 | static void |
6324 | maybe_reenable_adjustment_animation (GtkTreeView *tree_view) |
6325 | { |
6326 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
6327 | |
6328 | if (priv->presize_handler_tick_cb != 0 || |
6329 | priv->validate_rows_timer != 0) |
6330 | return; |
6331 | |
6332 | gtk_adjustment_enable_animation (adjustment: priv->vadjustment, |
6333 | clock: gtk_widget_get_frame_clock (GTK_WIDGET (tree_view)), |
6334 | duration: gtk_adjustment_get_animation_duration (adjustment: priv->vadjustment)); |
6335 | } |
6336 | |
6337 | static gboolean |
6338 | do_presize_handler (GtkTreeView *tree_view) |
6339 | { |
6340 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
6341 | |
6342 | if (priv->mark_rows_col_dirty) |
6343 | { |
6344 | if (priv->tree) |
6345 | gtk_tree_rbtree_column_invalid (tree: priv->tree); |
6346 | priv->mark_rows_col_dirty = FALSE; |
6347 | } |
6348 | validate_visible_area (tree_view); |
6349 | if (priv->presize_handler_tick_cb != 0) |
6350 | { |
6351 | gtk_widget_remove_tick_callback (GTK_WIDGET (tree_view), id: priv->presize_handler_tick_cb); |
6352 | priv->presize_handler_tick_cb = 0; |
6353 | } |
6354 | |
6355 | if (priv->fixed_height_mode) |
6356 | { |
6357 | GtkRequisition requisition; |
6358 | |
6359 | gtk_widget_get_preferred_size (GTK_WIDGET (tree_view), |
6360 | minimum_size: &requisition, NULL); |
6361 | |
6362 | gtk_adjustment_set_upper (adjustment: priv->hadjustment, |
6363 | MAX (gtk_adjustment_get_upper (priv->hadjustment), requisition.width)); |
6364 | gtk_adjustment_set_upper (adjustment: priv->vadjustment, |
6365 | MAX (gtk_adjustment_get_upper (priv->vadjustment), requisition.height)); |
6366 | gtk_widget_queue_resize (GTK_WIDGET (tree_view)); |
6367 | } |
6368 | |
6369 | maybe_reenable_adjustment_animation (tree_view); |
6370 | |
6371 | return FALSE; |
6372 | } |
6373 | |
6374 | static gboolean |
6375 | presize_handler_callback (GtkWidget *widget, |
6376 | GdkFrameClock *clock, |
6377 | gpointer unused) |
6378 | { |
6379 | do_presize_handler (GTK_TREE_VIEW (widget)); |
6380 | |
6381 | return G_SOURCE_REMOVE; |
6382 | } |
6383 | |
6384 | static gboolean |
6385 | validate_rows (GtkTreeView *tree_view) |
6386 | { |
6387 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
6388 | gboolean retval; |
6389 | |
6390 | if (priv->presize_handler_tick_cb) |
6391 | { |
6392 | do_presize_handler (tree_view); |
6393 | return G_SOURCE_CONTINUE; |
6394 | } |
6395 | |
6396 | retval = do_validate_rows (tree_view, TRUE); |
6397 | |
6398 | if (! retval && priv->validate_rows_timer) |
6399 | { |
6400 | g_source_remove (tag: priv->validate_rows_timer); |
6401 | priv->validate_rows_timer = 0; |
6402 | maybe_reenable_adjustment_animation (tree_view); |
6403 | } |
6404 | |
6405 | return retval; |
6406 | } |
6407 | |
6408 | static void |
6409 | install_presize_handler (GtkTreeView *tree_view) |
6410 | { |
6411 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
6412 | |
6413 | if (! gtk_widget_get_realized (GTK_WIDGET (tree_view))) |
6414 | return; |
6415 | |
6416 | disable_adjustment_animation (tree_view); |
6417 | |
6418 | if (! priv->presize_handler_tick_cb) |
6419 | { |
6420 | priv->presize_handler_tick_cb = |
6421 | gtk_widget_add_tick_callback (GTK_WIDGET (tree_view), callback: presize_handler_callback, NULL, NULL); |
6422 | } |
6423 | if (! priv->validate_rows_timer) |
6424 | { |
6425 | priv->validate_rows_timer = |
6426 | g_idle_add_full (GTK_TREE_VIEW_PRIORITY_VALIDATE, function: (GSourceFunc) validate_rows, data: tree_view, NULL); |
6427 | gdk_source_set_static_name_by_id (tag: priv->validate_rows_timer, name: "[gtk] validate_rows" ); |
6428 | } |
6429 | } |
6430 | |
6431 | static gboolean |
6432 | scroll_sync_handler (GtkTreeView *tree_view) |
6433 | { |
6434 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
6435 | |
6436 | if (gtk_tree_view_get_height (tree_view) <= gtk_adjustment_get_page_size (adjustment: priv->vadjustment)) |
6437 | gtk_adjustment_set_value (GTK_ADJUSTMENT (priv->vadjustment), value: 0); |
6438 | else if (gtk_tree_row_reference_valid (reference: priv->top_row)) |
6439 | gtk_tree_view_top_row_to_dy (tree_view); |
6440 | else |
6441 | gtk_tree_view_dy_to_top_row (tree_view); |
6442 | |
6443 | priv->scroll_sync_timer = 0; |
6444 | |
6445 | return FALSE; |
6446 | } |
6447 | |
6448 | static void |
6449 | install_scroll_sync_handler (GtkTreeView *tree_view) |
6450 | { |
6451 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
6452 | |
6453 | if (!gtk_widget_get_realized (GTK_WIDGET (tree_view))) |
6454 | return; |
6455 | |
6456 | if (!priv->scroll_sync_timer) |
6457 | { |
6458 | priv->scroll_sync_timer = |
6459 | g_idle_add_full (GTK_TREE_VIEW_PRIORITY_SCROLL_SYNC, function: (GSourceFunc) scroll_sync_handler, data: tree_view, NULL); |
6460 | gdk_source_set_static_name_by_id (tag: priv->scroll_sync_timer, name: "[gtk] scroll_sync_handler" ); |
6461 | } |
6462 | } |
6463 | |
6464 | static void |
6465 | gtk_tree_view_set_top_row (GtkTreeView *tree_view, |
6466 | GtkTreePath *path, |
6467 | int offset) |
6468 | { |
6469 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
6470 | |
6471 | gtk_tree_row_reference_free (reference: priv->top_row); |
6472 | |
6473 | if (!path) |
6474 | { |
6475 | priv->top_row = NULL; |
6476 | priv->top_row_dy = 0; |
6477 | } |
6478 | else |
6479 | { |
6480 | priv->top_row = gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view), model: priv->model, path); |
6481 | priv->top_row_dy = offset; |
6482 | } |
6483 | } |
6484 | |
6485 | /* Always call this iff dy is in the visible range. If the tree is empty, then |
6486 | * it’s set to be NULL, and top_row_dy is 0; |
6487 | */ |
6488 | static void |
6489 | gtk_tree_view_dy_to_top_row (GtkTreeView *tree_view) |
6490 | { |
6491 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
6492 | int offset; |
6493 | GtkTreePath *path; |
6494 | GtkTreeRBTree *tree; |
6495 | GtkTreeRBNode *node; |
6496 | |
6497 | if (priv->tree == NULL) |
6498 | { |
6499 | gtk_tree_view_set_top_row (tree_view, NULL, offset: 0); |
6500 | } |
6501 | else |
6502 | { |
6503 | offset = gtk_tree_rbtree_find_offset (tree: priv->tree, |
6504 | offset: priv->dy, |
6505 | new_tree: &tree, new_node: &node); |
6506 | |
6507 | if (tree == NULL) |
6508 | { |
6509 | gtk_tree_view_set_top_row (tree_view, NULL, offset: 0); |
6510 | } |
6511 | else |
6512 | { |
6513 | path = _gtk_tree_path_new_from_rbtree (tree, node); |
6514 | gtk_tree_view_set_top_row (tree_view, path, offset); |
6515 | gtk_tree_path_free (path); |
6516 | } |
6517 | } |
6518 | } |
6519 | |
6520 | static void |
6521 | gtk_tree_view_top_row_to_dy (GtkTreeView *tree_view) |
6522 | { |
6523 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
6524 | GtkTreePath *path; |
6525 | GtkTreeRBTree *tree; |
6526 | GtkTreeRBNode *node; |
6527 | int new_dy; |
6528 | |
6529 | /* Avoid recursive calls */ |
6530 | if (priv->in_top_row_to_dy) |
6531 | return; |
6532 | |
6533 | if (gtk_adjustment_is_animating (adjustment: priv->vadjustment)) |
6534 | return; |
6535 | |
6536 | if (priv->top_row) |
6537 | path = gtk_tree_row_reference_get_path (reference: priv->top_row); |
6538 | else |
6539 | path = NULL; |
6540 | |
6541 | if (!path) |
6542 | tree = NULL; |
6543 | else |
6544 | _gtk_tree_view_find_node (tree_view, path, tree: &tree, node: &node); |
6545 | |
6546 | if (path) |
6547 | gtk_tree_path_free (path); |
6548 | |
6549 | if (tree == NULL) |
6550 | { |
6551 | /* keep dy and set new toprow */ |
6552 | gtk_tree_row_reference_free (reference: priv->top_row); |
6553 | priv->top_row = NULL; |
6554 | priv->top_row_dy = 0; |
6555 | /* DO NOT install the idle handler */ |
6556 | gtk_tree_view_dy_to_top_row (tree_view); |
6557 | return; |
6558 | } |
6559 | |
6560 | if (gtk_tree_view_get_row_height (tree_view, node) |
6561 | < priv->top_row_dy) |
6562 | { |
6563 | /* new top row -- do NOT install the idle handler */ |
6564 | gtk_tree_view_dy_to_top_row (tree_view); |
6565 | return; |
6566 | } |
6567 | |
6568 | new_dy = gtk_tree_rbtree_node_find_offset (tree, node); |
6569 | new_dy += priv->top_row_dy; |
6570 | |
6571 | if (new_dy + gtk_adjustment_get_page_size (adjustment: priv->vadjustment) > gtk_tree_view_get_height (tree_view)) |
6572 | new_dy = gtk_tree_view_get_height (tree_view) - gtk_adjustment_get_page_size (adjustment: priv->vadjustment); |
6573 | |
6574 | new_dy = MAX (0, new_dy); |
6575 | |
6576 | priv->in_top_row_to_dy = TRUE; |
6577 | gtk_adjustment_set_value (adjustment: priv->vadjustment, value: (double)new_dy); |
6578 | priv->in_top_row_to_dy = FALSE; |
6579 | } |
6580 | |
6581 | |
6582 | void |
6583 | _gtk_tree_view_install_mark_rows_col_dirty (GtkTreeView *tree_view, |
6584 | gboolean install_handler) |
6585 | { |
6586 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
6587 | |
6588 | priv->mark_rows_col_dirty = TRUE; |
6589 | |
6590 | if (install_handler) |
6591 | install_presize_handler (tree_view); |
6592 | } |
6593 | |
6594 | /* |
6595 | * This function works synchronously (due to the while (validate_rows...) |
6596 | * loop). |
6597 | * |
6598 | * There was a check for column_type != GTK_TREE_VIEW_COLUMN_AUTOSIZE |
6599 | * here. You now need to check that yourself. |
6600 | */ |
6601 | void |
6602 | _gtk_tree_view_column_autosize (GtkTreeView *tree_view, |
6603 | GtkTreeViewColumn *column) |
6604 | { |
6605 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
6606 | g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (column)); |
6607 | |
6608 | _gtk_tree_view_column_cell_set_dirty (tree_column: column, FALSE); |
6609 | |
6610 | do_presize_handler (tree_view); |
6611 | while (validate_rows (tree_view)); |
6612 | |
6613 | gtk_widget_queue_resize (GTK_WIDGET (tree_view)); |
6614 | } |
6615 | |
6616 | /* Drag-and-drop */ |
6617 | |
6618 | typedef struct |
6619 | { |
6620 | GtkTreeRowReference *dest_row; |
6621 | guint path_down_mode : 1; |
6622 | guint empty_view_drop : 1; |
6623 | guint drop_append_mode : 1; |
6624 | } |
6625 | DestRow; |
6626 | |
6627 | static void |
6628 | dest_row_free (gpointer data) |
6629 | { |
6630 | DestRow *dr = (DestRow *)data; |
6631 | |
6632 | gtk_tree_row_reference_free (reference: dr->dest_row); |
6633 | g_slice_free (DestRow, dr); |
6634 | } |
6635 | |
6636 | static void |
6637 | set_dest_row (GdkDrop *drop, |
6638 | GtkTreeModel *model, |
6639 | GtkTreePath *dest_row, |
6640 | gboolean path_down_mode, |
6641 | gboolean empty_view_drop, |
6642 | gboolean drop_append_mode) |
6643 | { |
6644 | DestRow *dr; |
6645 | |
6646 | if (!dest_row) |
6647 | { |
6648 | g_object_set_data_full (G_OBJECT (drop), I_("gtk-tree-view-dest-row" ), |
6649 | NULL, NULL); |
6650 | return; |
6651 | } |
6652 | |
6653 | dr = g_slice_new (DestRow); |
6654 | |
6655 | dr->dest_row = gtk_tree_row_reference_new (model, path: dest_row); |
6656 | dr->path_down_mode = path_down_mode != FALSE; |
6657 | dr->empty_view_drop = empty_view_drop != FALSE; |
6658 | dr->drop_append_mode = drop_append_mode != FALSE; |
6659 | |
6660 | g_object_set_data_full (G_OBJECT (drop), I_("gtk-tree-view-dest-row" ), |
6661 | data: dr, destroy: (GDestroyNotify) dest_row_free); |
6662 | } |
6663 | |
6664 | static GtkTreePath* |
6665 | get_dest_row (GdkDrop *drop, |
6666 | gboolean *path_down_mode) |
6667 | { |
6668 | DestRow *dr = |
6669 | g_object_get_data (G_OBJECT (drop), key: "gtk-tree-view-dest-row" ); |
6670 | |
6671 | if (dr) |
6672 | { |
6673 | GtkTreePath *path = NULL; |
6674 | |
6675 | if (path_down_mode) |
6676 | *path_down_mode = dr->path_down_mode; |
6677 | |
6678 | if (dr->dest_row) |
6679 | path = gtk_tree_row_reference_get_path (reference: dr->dest_row); |
6680 | else if (dr->empty_view_drop) |
6681 | path = gtk_tree_path_new_from_indices (first_index: 0, -1); |
6682 | else |
6683 | path = NULL; |
6684 | |
6685 | if (path && dr->drop_append_mode) |
6686 | gtk_tree_path_next (path); |
6687 | |
6688 | return path; |
6689 | } |
6690 | else |
6691 | return NULL; |
6692 | } |
6693 | |
6694 | /* Get/set whether drag_motion requested the drag data and |
6695 | * drag_data_received should thus not actually insert the data, |
6696 | * since the data doesn’t result from a drop. |
6697 | */ |
6698 | static void |
6699 | set_status_pending (GdkDrop *drop, |
6700 | GdkDragAction suggested_action) |
6701 | { |
6702 | g_object_set_data (G_OBJECT (drop), |
6703 | I_("gtk-tree-view-status-pending" ), |
6704 | GINT_TO_POINTER (suggested_action)); |
6705 | } |
6706 | |
6707 | static GdkDragAction |
6708 | get_status_pending (GdkDrop *drop) |
6709 | { |
6710 | return GPOINTER_TO_INT (g_object_get_data (G_OBJECT (drop), |
6711 | "gtk-tree-view-status-pending" )); |
6712 | } |
6713 | |
6714 | static TreeViewDragInfo* |
6715 | get_info (GtkTreeView *tree_view) |
6716 | { |
6717 | return g_object_get_data (G_OBJECT (tree_view), key: "gtk-tree-view-drag-info" ); |
6718 | } |
6719 | |
6720 | static void |
6721 | destroy_info (TreeViewDragInfo *di) |
6722 | { |
6723 | g_clear_pointer (&di->source_formats, gdk_content_formats_unref); |
6724 | g_clear_pointer (&di->source_item, gtk_tree_row_reference_free); |
6725 | g_clear_object (&di->dest); |
6726 | |
6727 | g_slice_free (TreeViewDragInfo, di); |
6728 | } |
6729 | |
6730 | static TreeViewDragInfo* |
6731 | ensure_info (GtkTreeView *tree_view) |
6732 | { |
6733 | TreeViewDragInfo *di; |
6734 | |
6735 | di = get_info (tree_view); |
6736 | |
6737 | if (di == NULL) |
6738 | { |
6739 | di = g_slice_new0 (TreeViewDragInfo); |
6740 | |
6741 | g_object_set_data_full (G_OBJECT (tree_view), |
6742 | I_("gtk-tree-view-drag-info" ), |
6743 | data: di, |
6744 | destroy: (GDestroyNotify) destroy_info); |
6745 | } |
6746 | |
6747 | return di; |
6748 | } |
6749 | |
6750 | static void |
6751 | remove_info (GtkTreeView *tree_view) |
6752 | { |
6753 | TreeViewDragInfo *di; |
6754 | |
6755 | di = get_info (tree_view); |
6756 | if (di && di->dest) |
6757 | gtk_widget_remove_controller (GTK_WIDGET (tree_view), GTK_EVENT_CONTROLLER (di->dest)); |
6758 | g_object_set_data (G_OBJECT (tree_view), I_("gtk-tree-view-drag-info" ), NULL); |
6759 | } |
6760 | |
6761 | static void |
6762 | add_scroll_timeout (GtkTreeView *tree_view) |
6763 | { |
6764 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
6765 | |
6766 | if (priv->scroll_timeout == 0) |
6767 | { |
6768 | priv->scroll_timeout = g_timeout_add (interval: 150, function: scroll_row_timeout, data: tree_view); |
6769 | gdk_source_set_static_name_by_id (tag: priv->scroll_timeout, name: "[gtk] scroll_row_timeout" ); |
6770 | } |
6771 | } |
6772 | |
6773 | static void |
6774 | remove_scroll_timeout (GtkTreeView *tree_view) |
6775 | { |
6776 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
6777 | |
6778 | g_clear_handle_id (&priv->scroll_timeout, g_source_remove); |
6779 | } |
6780 | |
6781 | static gboolean |
6782 | check_model_dnd (GtkTreeModel *model, |
6783 | GType required_iface, |
6784 | const char *signal) |
6785 | { |
6786 | if (model == NULL || !G_TYPE_CHECK_INSTANCE_TYPE ((model), required_iface)) |
6787 | { |
6788 | g_warning ("You must override the default '%s' handler " |
6789 | "on GtkTreeView when using models that don't support " |
6790 | "the %s interface and enabling drag-and-drop. The simplest way to do this " |
6791 | "is to connect to '%s' and call " |
6792 | "g_signal_stop_emission_by_name() in your signal handler to prevent " |
6793 | "the default handler from running. Look at the source code " |
6794 | "for the default handler in gtktreeview.c to get an idea what " |
6795 | "your handler should do. (gtktreeview.c is in the GTK source " |
6796 | "code.) If you're using GTK from a language other than C, " |
6797 | "there may be a more natural way to override default handlers, e.g. via derivation." , |
6798 | signal, g_type_name (required_iface), signal); |
6799 | return FALSE; |
6800 | } |
6801 | else |
6802 | return TRUE; |
6803 | } |
6804 | |
6805 | static void |
6806 | remove_open_timeout (GtkTreeView *tree_view) |
6807 | { |
6808 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
6809 | |
6810 | g_clear_handle_id (&priv->open_dest_timeout, g_source_remove); |
6811 | } |
6812 | |
6813 | |
6814 | static int |
6815 | open_row_timeout (gpointer data) |
6816 | { |
6817 | GtkTreeView *tree_view = data; |
6818 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
6819 | GtkTreePath *dest_path = NULL; |
6820 | GtkTreeViewDropPosition pos; |
6821 | gboolean result = FALSE; |
6822 | |
6823 | gtk_tree_view_get_drag_dest_row (tree_view, |
6824 | path: &dest_path, |
6825 | pos: &pos); |
6826 | |
6827 | if (dest_path && |
6828 | (pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER || |
6829 | pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)) |
6830 | { |
6831 | gtk_tree_view_expand_row (tree_view, path: dest_path, FALSE); |
6832 | priv->open_dest_timeout = 0; |
6833 | |
6834 | gtk_tree_path_free (path: dest_path); |
6835 | } |
6836 | else |
6837 | { |
6838 | if (dest_path) |
6839 | gtk_tree_path_free (path: dest_path); |
6840 | |
6841 | result = TRUE; |
6842 | } |
6843 | |
6844 | return result; |
6845 | } |
6846 | |
6847 | static gboolean |
6848 | scroll_row_timeout (gpointer data) |
6849 | { |
6850 | GtkTreeView *tree_view = data; |
6851 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
6852 | |
6853 | gtk_tree_view_vertical_autoscroll (tree_view); |
6854 | |
6855 | if (priv->rubber_band_status == RUBBER_BAND_ACTIVE) |
6856 | gtk_tree_view_update_rubber_band (tree_view); |
6857 | |
6858 | return TRUE; |
6859 | } |
6860 | |
6861 | static GdkDragAction |
6862 | gtk_tree_view_get_action (GtkWidget *widget, |
6863 | GdkDrop *drop) |
6864 | { |
6865 | GtkTreeView *tree_view = GTK_TREE_VIEW (widget); |
6866 | TreeViewDragInfo *di; |
6867 | GdkDrag *drag = gdk_drop_get_drag (self: drop); |
6868 | GdkDragAction actions; |
6869 | |
6870 | di = get_info (tree_view); |
6871 | |
6872 | actions = gdk_drop_get_actions (self: drop); |
6873 | |
6874 | if (di && di->drag == drag && |
6875 | actions & GDK_ACTION_MOVE) |
6876 | return GDK_ACTION_MOVE; |
6877 | |
6878 | if (actions & GDK_ACTION_COPY) |
6879 | return GDK_ACTION_COPY; |
6880 | |
6881 | if (actions & GDK_ACTION_MOVE) |
6882 | return GDK_ACTION_MOVE; |
6883 | |
6884 | return 0; |
6885 | } |
6886 | |
6887 | /* Returns TRUE if event should not be propagated to parent widgets */ |
6888 | static gboolean |
6889 | set_destination_row (GtkTreeView *tree_view, |
6890 | GdkDrop *drop, |
6891 | GtkDropTargetAsync *dest, |
6892 | /* coordinates relative to the widget */ |
6893 | int x, |
6894 | int y, |
6895 | GdkDragAction *suggested_action, |
6896 | GType *target) |
6897 | { |
6898 | GtkTreePath *path = NULL; |
6899 | GtkTreeViewDropPosition pos; |
6900 | GtkTreeViewDropPosition old_pos; |
6901 | TreeViewDragInfo *di; |
6902 | GtkWidget *widget; |
6903 | GtkTreePath *old_dest_path = NULL; |
6904 | gboolean can_drop = FALSE; |
6905 | GdkContentFormats *formats; |
6906 | |
6907 | *suggested_action = 0; |
6908 | *target = G_TYPE_INVALID; |
6909 | |
6910 | widget = GTK_WIDGET (tree_view); |
6911 | |
6912 | di = get_info (tree_view); |
6913 | |
6914 | if (di == NULL || y - gtk_tree_view_get_effective_header_height (tree_view) < 0) |
6915 | { |
6916 | /* someone unset us as a drag dest, note that if |
6917 | * we return FALSE drag_leave isn't called |
6918 | */ |
6919 | |
6920 | gtk_tree_view_set_drag_dest_row (tree_view, |
6921 | NULL, |
6922 | pos: GTK_TREE_VIEW_DROP_BEFORE); |
6923 | |
6924 | remove_scroll_timeout (GTK_TREE_VIEW (widget)); |
6925 | remove_open_timeout (GTK_TREE_VIEW (widget)); |
6926 | |
6927 | return FALSE; /* no longer a drop site */ |
6928 | } |
6929 | |
6930 | formats = gtk_drop_target_async_get_formats (self: dest); |
6931 | *target = gdk_content_formats_match_gtype (first: formats, second: formats); |
6932 | if (*target == G_TYPE_INVALID) |
6933 | return FALSE; |
6934 | |
6935 | if (!gtk_tree_view_get_dest_row_at_pos (tree_view, |
6936 | drag_x: x, drag_y: y, |
6937 | path: &path, |
6938 | pos: &pos)) |
6939 | { |
6940 | int n_children; |
6941 | GtkTreeModel *model; |
6942 | |
6943 | remove_open_timeout (tree_view); |
6944 | |
6945 | /* the row got dropped on empty space, let's setup a special case |
6946 | */ |
6947 | |
6948 | if (path) |
6949 | gtk_tree_path_free (path); |
6950 | |
6951 | model = gtk_tree_view_get_model (tree_view); |
6952 | |
6953 | n_children = gtk_tree_model_iter_n_children (tree_model: model, NULL); |
6954 | if (n_children) |
6955 | { |
6956 | pos = GTK_TREE_VIEW_DROP_AFTER; |
6957 | path = gtk_tree_path_new_from_indices (first_index: n_children - 1, -1); |
6958 | } |
6959 | else |
6960 | { |
6961 | pos = GTK_TREE_VIEW_DROP_BEFORE; |
6962 | path = gtk_tree_path_new_from_indices (first_index: 0, -1); |
6963 | } |
6964 | |
6965 | can_drop = TRUE; |
6966 | |
6967 | goto out; |
6968 | } |
6969 | |
6970 | g_assert (path); |
6971 | |
6972 | /* If we left the current row's "open" zone, unset the timeout for |
6973 | * opening the row |
6974 | */ |
6975 | gtk_tree_view_get_drag_dest_row (tree_view, |
6976 | path: &old_dest_path, |
6977 | pos: &old_pos); |
6978 | |
6979 | if (old_dest_path && |
6980 | (gtk_tree_path_compare (a: path, b: old_dest_path) != 0 || |
6981 | !(pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER || |
6982 | pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE))) |
6983 | remove_open_timeout (tree_view); |
6984 | |
6985 | if (old_dest_path) |
6986 | gtk_tree_path_free (path: old_dest_path); |
6987 | |
6988 | if (TRUE /* FIXME if the location droppable predicate */) |
6989 | { |
6990 | can_drop = TRUE; |
6991 | } |
6992 | |
6993 | out: |
6994 | if (can_drop) |
6995 | { |
6996 | *suggested_action = gtk_tree_view_get_action (widget, drop); |
6997 | |
6998 | gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget), |
6999 | path, pos); |
7000 | } |
7001 | else |
7002 | { |
7003 | /* can't drop here */ |
7004 | remove_open_timeout (tree_view); |
7005 | |
7006 | gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget), |
7007 | NULL, |
7008 | pos: GTK_TREE_VIEW_DROP_BEFORE); |
7009 | } |
7010 | |
7011 | if (path) |
7012 | gtk_tree_path_free (path); |
7013 | |
7014 | return TRUE; |
7015 | } |
7016 | |
7017 | static GtkTreePath* |
7018 | get_logical_dest_row (GtkTreeView *tree_view, |
7019 | gboolean *path_down_mode, |
7020 | gboolean *drop_append_mode) |
7021 | { |
7022 | /* adjust path to point to the row the drop goes in front of */ |
7023 | GtkTreePath *path = NULL; |
7024 | GtkTreeViewDropPosition pos; |
7025 | |
7026 | g_return_val_if_fail (path_down_mode != NULL, NULL); |
7027 | g_return_val_if_fail (drop_append_mode != NULL, NULL); |
7028 | |
7029 | *path_down_mode = FALSE; |
7030 | *drop_append_mode = 0; |
7031 | |
7032 | gtk_tree_view_get_drag_dest_row (tree_view, path: &path, pos: &pos); |
7033 | |
7034 | if (path == NULL) |
7035 | return NULL; |
7036 | |
7037 | if (pos == GTK_TREE_VIEW_DROP_BEFORE) |
7038 | ; /* do nothing */ |
7039 | else if (pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE || |
7040 | pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER) |
7041 | *path_down_mode = TRUE; |
7042 | else |
7043 | { |
7044 | GtkTreeIter iter; |
7045 | GtkTreeModel *model = gtk_tree_view_get_model (tree_view); |
7046 | |
7047 | g_assert (pos == GTK_TREE_VIEW_DROP_AFTER); |
7048 | |
7049 | if (!gtk_tree_model_get_iter (tree_model: model, iter: &iter, path) || |
7050 | !gtk_tree_model_iter_next (tree_model: model, iter: &iter)) |
7051 | *drop_append_mode = 1; |
7052 | else |
7053 | { |
7054 | *drop_append_mode = 0; |
7055 | gtk_tree_path_next (path); |
7056 | } |
7057 | } |
7058 | |
7059 | return path; |
7060 | } |
7061 | |
7062 | static gboolean |
7063 | gtk_tree_view_maybe_begin_dragging_row (GtkTreeView *tree_view) |
7064 | { |
7065 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
7066 | GtkWidget *widget = GTK_WIDGET (tree_view); |
7067 | double start_x, start_y, offset_x, offset_y; |
7068 | TreeViewDragInfo *di; |
7069 | GtkTreePath *path = NULL; |
7070 | int button; |
7071 | GtkTreeModel *model; |
7072 | gboolean retval = FALSE; |
7073 | int bin_x, bin_y; |
7074 | GdkSurface *surface; |
7075 | GdkDevice *device; |
7076 | GdkContentProvider *content; |
7077 | GdkDrag *drag; |
7078 | GdkPaintable *icon; |
7079 | |
7080 | di = get_info (tree_view); |
7081 | |
7082 | if (di == NULL || !di->source_set) |
7083 | goto out; |
7084 | |
7085 | if (!gtk_gesture_is_recognized (gesture: priv->drag_gesture)) |
7086 | goto out; |
7087 | |
7088 | gtk_gesture_drag_get_start_point (GTK_GESTURE_DRAG (priv->drag_gesture), |
7089 | x: &start_x, y: &start_y); |
7090 | gtk_gesture_drag_get_offset (GTK_GESTURE_DRAG (priv->drag_gesture), |
7091 | x: &offset_x, y: &offset_y); |
7092 | |
7093 | if (!gtk_drag_check_threshold_double (widget, start_x: 0, start_y: 0, current_x: offset_x, current_y: offset_y)) |
7094 | goto out; |
7095 | |
7096 | model = gtk_tree_view_get_model (tree_view); |
7097 | |
7098 | if (model == NULL) |
7099 | goto out; |
7100 | |
7101 | button = gtk_gesture_single_get_current_button (GTK_GESTURE_SINGLE (priv->drag_gesture)); |
7102 | |
7103 | /* Deny the click gesture */ |
7104 | gtk_gesture_set_state (GTK_GESTURE (priv->click_gesture), |
7105 | state: GTK_EVENT_SEQUENCE_DENIED); |
7106 | |
7107 | gtk_tree_view_convert_widget_to_bin_window_coords (tree_view, wx: start_x, wy: start_y, |
7108 | bx: &bin_x, by: &bin_y); |
7109 | gtk_tree_view_get_path_at_pos (tree_view, x: bin_x, y: bin_y, path: &path, |
7110 | NULL, NULL, NULL); |
7111 | |
7112 | if (path == NULL) |
7113 | goto out; |
7114 | |
7115 | if (!GTK_IS_TREE_DRAG_SOURCE (model) || |
7116 | !gtk_tree_drag_source_row_draggable (GTK_TREE_DRAG_SOURCE (model), |
7117 | path)) |
7118 | goto out; |
7119 | |
7120 | if (!(GDK_BUTTON1_MASK << (button - 1) & di->start_button_mask)) |
7121 | goto out; |
7122 | |
7123 | /* Now we can begin the drag */ |
7124 | gtk_gesture_set_state (GTK_GESTURE (priv->drag_gesture), |
7125 | state: GTK_EVENT_SEQUENCE_CLAIMED); |
7126 | |
7127 | surface = gtk_native_get_surface (self: gtk_widget_get_native (GTK_WIDGET (tree_view))); |
7128 | device = gtk_gesture_get_device (GTK_GESTURE (priv->drag_gesture)), |
7129 | content = gtk_tree_view_drag_data_get (tree_view, source_row: path); |
7130 | if (content == NULL) |
7131 | goto out; |
7132 | |
7133 | retval = TRUE; |
7134 | |
7135 | drag = gdk_drag_begin (surface, device, content, actions: di->source_actions, dx: start_x, dy: start_y); |
7136 | |
7137 | g_object_unref (object: content); |
7138 | |
7139 | g_signal_connect (drag, "dnd-finished" , G_CALLBACK (gtk_tree_view_dnd_finished_cb), tree_view); |
7140 | |
7141 | icon = gtk_tree_view_create_row_drag_icon (tree_view, path); |
7142 | gtk_drag_icon_set_from_paintable (drag, paintable: icon, hot_x: priv->press_start_x + 1, hot_y: 1); |
7143 | g_object_unref (object: icon); |
7144 | |
7145 | di->drag = drag; |
7146 | |
7147 | g_object_unref (object: drag); |
7148 | |
7149 | di->source_item = gtk_tree_row_reference_new (model, path); |
7150 | |
7151 | out: |
7152 | if (path) |
7153 | gtk_tree_path_free (path); |
7154 | |
7155 | return retval; |
7156 | } |
7157 | |
7158 | static void |
7159 | gtk_tree_view_dnd_finished_cb (GdkDrag *drag, |
7160 | GtkWidget *widget) |
7161 | { |
7162 | GtkTreeView *tree_view = GTK_TREE_VIEW (widget); |
7163 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
7164 | TreeViewDragInfo *di; |
7165 | GtkTreeModel *model; |
7166 | GtkTreePath *source_row; |
7167 | |
7168 | priv->event_last_x = -10000; |
7169 | priv->event_last_y = -10000; |
7170 | |
7171 | if (gdk_drag_get_selected_action (drag) != GDK_ACTION_MOVE) |
7172 | return; |
7173 | |
7174 | tree_view = GTK_TREE_VIEW (widget); |
7175 | model = gtk_tree_view_get_model (tree_view); |
7176 | |
7177 | if (!check_model_dnd (model, GTK_TYPE_TREE_DRAG_SOURCE, signal: "drag_data_delete" )) |
7178 | return; |
7179 | |
7180 | di = get_info (tree_view); |
7181 | |
7182 | if (di == NULL || di->source_item == NULL) |
7183 | return; |
7184 | |
7185 | source_row = gtk_tree_row_reference_get_path (reference: di->source_item); |
7186 | |
7187 | if (source_row == NULL) |
7188 | return; |
7189 | |
7190 | gtk_tree_drag_source_drag_data_delete (GTK_TREE_DRAG_SOURCE (model), path: source_row); |
7191 | |
7192 | gtk_tree_path_free (path: source_row); |
7193 | |
7194 | g_clear_pointer (&di->source_item, gtk_tree_row_reference_free); |
7195 | } |
7196 | |
7197 | /* Default signal implementations for the drag signals */ |
7198 | static GdkContentProvider * |
7199 | gtk_tree_view_drag_data_get (GtkTreeView *tree_view, |
7200 | GtkTreePath *source_row) |
7201 | { |
7202 | GtkTreeModel *model; |
7203 | GdkContentProvider *content; |
7204 | |
7205 | model = gtk_tree_view_get_model (tree_view); |
7206 | |
7207 | if (model == NULL) |
7208 | return NULL; |
7209 | |
7210 | /* We can implement the GTK_TREE_MODEL_ROW target generically for |
7211 | * any model; for DragSource models there are some other targets |
7212 | * we also support. |
7213 | */ |
7214 | |
7215 | if (GTK_IS_TREE_DRAG_SOURCE (model)) |
7216 | content = gtk_tree_drag_source_drag_data_get (GTK_TREE_DRAG_SOURCE (model), path: source_row); |
7217 | else |
7218 | content = NULL; |
7219 | |
7220 | /* If drag_data_get does nothing, try providing row data. */ |
7221 | if (!content) |
7222 | content = gtk_tree_create_row_drag_content (tree_model: model, path: source_row); |
7223 | |
7224 | return content; |
7225 | } |
7226 | |
7227 | static void |
7228 | gtk_tree_view_drag_leave (GtkDropTargetAsync *dest, |
7229 | GdkDrop *drop, |
7230 | GtkTreeView *tree_view) |
7231 | { |
7232 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
7233 | |
7234 | /* unset any highlight row */ |
7235 | gtk_tree_view_set_drag_dest_row (tree_view, |
7236 | NULL, |
7237 | pos: GTK_TREE_VIEW_DROP_BEFORE); |
7238 | |
7239 | remove_scroll_timeout (tree_view); |
7240 | remove_open_timeout (tree_view); |
7241 | |
7242 | priv->event_last_x = -10000; |
7243 | priv->event_last_y = -10000; |
7244 | } |
7245 | |
7246 | |
7247 | static GdkDragAction |
7248 | gtk_tree_view_drag_motion (GtkDropTargetAsync *dest, |
7249 | GdkDrop *drop, |
7250 | double x, |
7251 | double y, |
7252 | GtkTreeView *tree_view) |
7253 | { |
7254 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
7255 | gboolean empty; |
7256 | GtkTreePath *path = NULL; |
7257 | GtkTreeViewDropPosition pos; |
7258 | GdkDragAction suggested_action = 0; |
7259 | GType target; |
7260 | |
7261 | if (!set_destination_row (tree_view, drop, dest, x, y, suggested_action: &suggested_action, target: &target)) |
7262 | return 0; |
7263 | |
7264 | priv->event_last_x = x; |
7265 | priv->event_last_y = y; |
7266 | |
7267 | gtk_tree_view_get_drag_dest_row (tree_view, path: &path, pos: &pos); |
7268 | |
7269 | /* we only know this *after* set_desination_row */ |
7270 | empty = priv->empty_view_drop; |
7271 | |
7272 | if (path == NULL && !empty) |
7273 | { |
7274 | suggested_action = 0; |
7275 | } |
7276 | else |
7277 | { |
7278 | if (priv->open_dest_timeout == 0 && |
7279 | (pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER || |
7280 | pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)) |
7281 | { |
7282 | priv->open_dest_timeout = |
7283 | g_timeout_add (AUTO_EXPAND_TIMEOUT, function: open_row_timeout, data: tree_view); |
7284 | gdk_source_set_static_name_by_id (tag: priv->open_dest_timeout, name: "[gtk] open_row_timeout" ); |
7285 | } |
7286 | else |
7287 | { |
7288 | add_scroll_timeout (tree_view); |
7289 | } |
7290 | |
7291 | if (target == GTK_TYPE_TREE_ROW_DATA) |
7292 | { |
7293 | /* Request data so we can use the source row when |
7294 | * determining whether to accept the drop |
7295 | */ |
7296 | set_status_pending (drop, suggested_action); |
7297 | gdk_drop_read_value_async (self: drop, GTK_TYPE_TREE_ROW_DATA, G_PRIORITY_DEFAULT, NULL, callback: gtk_tree_view_drag_data_received, user_data: tree_view); |
7298 | } |
7299 | else |
7300 | { |
7301 | set_status_pending (drop, suggested_action: 0); |
7302 | } |
7303 | } |
7304 | |
7305 | if (path) |
7306 | gtk_tree_path_free (path); |
7307 | |
7308 | return suggested_action; |
7309 | } |
7310 | |
7311 | |
7312 | static gboolean |
7313 | gtk_tree_view_drag_drop (GtkDropTargetAsync *dest, |
7314 | GdkDrop *drop, |
7315 | double x, |
7316 | double y, |
7317 | GtkTreeView *tree_view) |
7318 | { |
7319 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
7320 | GtkTreePath *path; |
7321 | GdkDragAction suggested_action = 0; |
7322 | GType target = G_TYPE_INVALID; |
7323 | TreeViewDragInfo *di; |
7324 | GtkTreeModel *model; |
7325 | gboolean path_down_mode; |
7326 | gboolean drop_append_mode; |
7327 | |
7328 | model = gtk_tree_view_get_model (tree_view); |
7329 | |
7330 | remove_scroll_timeout (tree_view); |
7331 | remove_open_timeout (tree_view); |
7332 | |
7333 | di = get_info (tree_view); |
7334 | |
7335 | if (di == NULL) |
7336 | return FALSE; |
7337 | |
7338 | if (!check_model_dnd (model, GTK_TYPE_TREE_DRAG_DEST, signal: "drag_drop" )) |
7339 | return FALSE; |
7340 | |
7341 | if (!set_destination_row (tree_view, drop, dest, x, y, suggested_action: &suggested_action, target: &target)) |
7342 | return FALSE; |
7343 | |
7344 | path = get_logical_dest_row (tree_view, path_down_mode: &path_down_mode, drop_append_mode: &drop_append_mode); |
7345 | |
7346 | if (target != G_TYPE_INVALID && path != NULL) |
7347 | { |
7348 | /* in case a motion had requested drag data, change things so we |
7349 | * treat drag data receives as a drop. |
7350 | */ |
7351 | set_status_pending (drop, suggested_action: 0); |
7352 | set_dest_row (drop, model, dest_row: path, |
7353 | path_down_mode, empty_view_drop: priv->empty_view_drop, |
7354 | drop_append_mode); |
7355 | } |
7356 | |
7357 | if (path) |
7358 | gtk_tree_path_free (path); |
7359 | |
7360 | /* Unset this thing */ |
7361 | gtk_tree_view_set_drag_dest_row (tree_view, |
7362 | NULL, |
7363 | pos: GTK_TREE_VIEW_DROP_BEFORE); |
7364 | |
7365 | if (target != G_TYPE_INVALID) |
7366 | { |
7367 | gdk_drop_read_value_async (self: drop, GTK_TYPE_TREE_ROW_DATA, G_PRIORITY_DEFAULT, NULL, callback: gtk_tree_view_drag_data_received, user_data: tree_view); |
7368 | return TRUE; |
7369 | } |
7370 | else |
7371 | return FALSE; |
7372 | } |
7373 | |
7374 | static void |
7375 | gtk_tree_view_drag_data_received (GObject *source, |
7376 | GAsyncResult *result, |
7377 | gpointer data) |
7378 | { |
7379 | GtkTreeView *tree_view = GTK_TREE_VIEW (data); |
7380 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
7381 | GdkDrop *drop = GDK_DROP (source); |
7382 | GtkTreePath *path; |
7383 | TreeViewDragInfo *di; |
7384 | GtkTreeModel *model; |
7385 | GtkTreePath *dest_row; |
7386 | GdkDragAction suggested_action; |
7387 | gboolean path_down_mode; |
7388 | gboolean drop_append_mode; |
7389 | const GValue *value; |
7390 | |
7391 | value = gdk_drop_read_value_finish (self: drop, result, NULL); |
7392 | if (value == NULL) |
7393 | return; |
7394 | |
7395 | model = gtk_tree_view_get_model (tree_view); |
7396 | |
7397 | if (!check_model_dnd (model, GTK_TYPE_TREE_DRAG_DEST, signal: "drag_data_received" )) |
7398 | return; |
7399 | |
7400 | di = get_info (tree_view); |
7401 | |
7402 | if (di == NULL) |
7403 | return; |
7404 | |
7405 | suggested_action = get_status_pending (drop); |
7406 | |
7407 | if (suggested_action) |
7408 | { |
7409 | /* We are getting this data due to a request in drag_motion, |
7410 | * rather than due to a request in drag_drop, so we are just |
7411 | * supposed to call drag_status, not actually paste in the |
7412 | * data. |
7413 | */ |
7414 | path = get_logical_dest_row (tree_view, path_down_mode: &path_down_mode, |
7415 | drop_append_mode: &drop_append_mode); |
7416 | |
7417 | if (path == NULL) |
7418 | suggested_action = 0; |
7419 | else if (path_down_mode) |
7420 | gtk_tree_path_down (path); |
7421 | |
7422 | if (suggested_action) |
7423 | { |
7424 | if (!gtk_tree_drag_dest_row_drop_possible (GTK_TREE_DRAG_DEST (model), |
7425 | dest_path: path, |
7426 | value)) |
7427 | { |
7428 | if (path_down_mode) |
7429 | { |
7430 | path_down_mode = FALSE; |
7431 | gtk_tree_path_up (path); |
7432 | |
7433 | if (!gtk_tree_drag_dest_row_drop_possible (GTK_TREE_DRAG_DEST (model), |
7434 | dest_path: path, |
7435 | value)) |
7436 | suggested_action = 0; |
7437 | } |
7438 | else |
7439 | suggested_action = 0; |
7440 | } |
7441 | } |
7442 | |
7443 | if (path) |
7444 | gtk_tree_path_free (path); |
7445 | |
7446 | /* If you can't drop, remove user drop indicator until the next motion */ |
7447 | if (suggested_action == 0) |
7448 | gtk_tree_view_set_drag_dest_row (tree_view, |
7449 | NULL, |
7450 | pos: GTK_TREE_VIEW_DROP_BEFORE); |
7451 | |
7452 | return; |
7453 | } |
7454 | |
7455 | dest_row = get_dest_row (drop, path_down_mode: &path_down_mode); |
7456 | |
7457 | if (dest_row == NULL) |
7458 | return; |
7459 | |
7460 | if (path_down_mode) |
7461 | { |
7462 | gtk_tree_path_down (path: dest_row); |
7463 | if (!gtk_tree_drag_dest_row_drop_possible (GTK_TREE_DRAG_DEST (model), |
7464 | dest_path: dest_row, value)) |
7465 | gtk_tree_path_up (path: dest_row); |
7466 | } |
7467 | |
7468 | suggested_action = gtk_tree_view_get_action (GTK_WIDGET (tree_view), drop); |
7469 | |
7470 | if (suggested_action && |
7471 | !gtk_tree_drag_dest_drag_data_received (GTK_TREE_DRAG_DEST (model), |
7472 | dest: dest_row, |
7473 | value)) |
7474 | suggested_action = 0; |
7475 | |
7476 | gdk_drop_finish (self: drop, action: suggested_action); |
7477 | |
7478 | if (gtk_tree_path_get_depth (path: dest_row) == 1 && |
7479 | gtk_tree_path_get_indices (path: dest_row)[0] == 0 && |
7480 | gtk_tree_model_iter_n_children (tree_model: priv->model, NULL) != 0) |
7481 | { |
7482 | /* special case drag to "0", scroll to first item */ |
7483 | if (!priv->scroll_to_path) |
7484 | gtk_tree_view_scroll_to_cell (tree_view, path: dest_row, NULL, FALSE, row_align: 0.0, col_align: 0.0); |
7485 | } |
7486 | |
7487 | gtk_tree_path_free (path: dest_row); |
7488 | |
7489 | /* drop dest_row */ |
7490 | set_dest_row (drop, NULL, NULL, FALSE, FALSE, FALSE); |
7491 | } |
7492 | |
7493 | static void |
7494 | gtk_tree_view_remove (GtkTreeView *tree_view, |
7495 | GtkWidget *widget) |
7496 | { |
7497 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
7498 | GtkTreeViewChild *child = NULL; |
7499 | GList *tmp_list; |
7500 | |
7501 | tmp_list = priv->children; |
7502 | while (tmp_list) |
7503 | { |
7504 | child = tmp_list->data; |
7505 | if (child->widget == widget) |
7506 | { |
7507 | gtk_widget_unparent (widget); |
7508 | |
7509 | priv->children = g_list_remove_link (list: priv->children, llink: tmp_list); |
7510 | g_list_free_1 (list: tmp_list); |
7511 | g_slice_free (GtkTreeViewChild, child); |
7512 | return; |
7513 | } |
7514 | |
7515 | tmp_list = tmp_list->next; |
7516 | } |
7517 | |
7518 | tmp_list = priv->columns; |
7519 | |
7520 | while (tmp_list) |
7521 | { |
7522 | GtkTreeViewColumn *column; |
7523 | GtkWidget *button; |
7524 | |
7525 | column = tmp_list->data; |
7526 | button = gtk_tree_view_column_get_button (tree_column: column); |
7527 | |
7528 | if (button == widget) |
7529 | { |
7530 | gtk_widget_unparent (widget); |
7531 | return; |
7532 | } |
7533 | tmp_list = tmp_list->next; |
7534 | } |
7535 | } |
7536 | |
7537 | /* Returns TRUE is any of the columns contains a cell that can-focus. |
7538 | * If this is not the case, a column-spanning focus rectangle will be |
7539 | * drawn. |
7540 | */ |
7541 | static gboolean |
7542 | gtk_tree_view_has_can_focus_cell (GtkTreeView *tree_view) |
7543 | { |
7544 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
7545 | GList *list; |
7546 | |
7547 | for (list = priv->columns; list; list = list->next) |
7548 | { |
7549 | GtkTreeViewColumn *column = list->data; |
7550 | |
7551 | if (!gtk_tree_view_column_get_visible (tree_column: column)) |
7552 | continue; |
7553 | if (gtk_cell_area_is_activatable (area: gtk_cell_layout_get_area (GTK_CELL_LAYOUT (column)))) |
7554 | return TRUE; |
7555 | } |
7556 | |
7557 | return FALSE; |
7558 | } |
7559 | |
7560 | static void |
7561 | column_sizing_notify (GObject *object, |
7562 | GParamSpec *pspec, |
7563 | gpointer data) |
7564 | { |
7565 | GtkTreeViewColumn *c = GTK_TREE_VIEW_COLUMN (object); |
7566 | |
7567 | if (gtk_tree_view_column_get_sizing (tree_column: c) != GTK_TREE_VIEW_COLUMN_FIXED) |
7568 | /* disable fixed height mode */ |
7569 | g_object_set (object: data, first_property_name: "fixed-height-mode" , FALSE, NULL); |
7570 | } |
7571 | |
7572 | /** |
7573 | * gtk_tree_view_set_fixed_height_mode: |
7574 | * @tree_view: a `GtkTreeView` |
7575 | * @enable: %TRUE to enable fixed height mode |
7576 | * |
7577 | * Enables or disables the fixed height mode of @tree_view. |
7578 | * Fixed height mode speeds up `GtkTreeView` by assuming that all |
7579 | * rows have the same height. |
7580 | * Only enable this option if all rows are the same height and all |
7581 | * columns are of type %GTK_TREE_VIEW_COLUMN_FIXED. |
7582 | **/ |
7583 | void |
7584 | gtk_tree_view_set_fixed_height_mode (GtkTreeView *tree_view, |
7585 | gboolean enable) |
7586 | { |
7587 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
7588 | GList *l; |
7589 | |
7590 | enable = enable != FALSE; |
7591 | |
7592 | if (enable == priv->fixed_height_mode) |
7593 | return; |
7594 | |
7595 | if (!enable) |
7596 | { |
7597 | priv->fixed_height_mode = 0; |
7598 | priv->fixed_height = -1; |
7599 | } |
7600 | else |
7601 | { |
7602 | /* make sure all columns are of type FIXED */ |
7603 | for (l = priv->columns; l; l = l->next) |
7604 | { |
7605 | g_return_if_fail (gtk_tree_view_column_get_sizing (l->data) == GTK_TREE_VIEW_COLUMN_FIXED); |
7606 | } |
7607 | |
7608 | /* yes, we really have to do this is in a separate loop */ |
7609 | for (l = priv->columns; l; l = l->next) |
7610 | g_signal_connect (l->data, "notify::sizing" , |
7611 | G_CALLBACK (column_sizing_notify), tree_view); |
7612 | |
7613 | priv->fixed_height_mode = 1; |
7614 | priv->fixed_height = -1; |
7615 | } |
7616 | |
7617 | /* force a revalidation */ |
7618 | install_presize_handler (tree_view); |
7619 | |
7620 | g_object_notify_by_pspec (G_OBJECT (tree_view), pspec: tree_view_props[PROP_FIXED_HEIGHT_MODE]); |
7621 | } |
7622 | |
7623 | /** |
7624 | * gtk_tree_view_get_fixed_height_mode: |
7625 | * @tree_view: a `GtkTreeView` |
7626 | * |
7627 | * Returns whether fixed height mode is turned on for @tree_view. |
7628 | * |
7629 | * Returns: %TRUE if @tree_view is in fixed height mode |
7630 | **/ |
7631 | gboolean |
7632 | gtk_tree_view_get_fixed_height_mode (GtkTreeView *tree_view) |
7633 | { |
7634 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
7635 | |
7636 | return priv->fixed_height_mode; |
7637 | } |
7638 | |
7639 | /* Returns TRUE if the focus is within the headers, after the focus operation is |
7640 | * done |
7641 | */ |
7642 | static gboolean |
7643 | (GtkTreeView *tree_view, |
7644 | GtkDirectionType dir, |
7645 | gboolean clamp_column_visible) |
7646 | { |
7647 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
7648 | GtkTreeViewColumn *column; |
7649 | GtkWidget *button; |
7650 | GtkWidget *focus_child; |
7651 | GList *last_column, *first_column; |
7652 | GList *tmp_list; |
7653 | gboolean rtl; |
7654 | |
7655 | if (! priv->headers_visible) |
7656 | return FALSE; |
7657 | |
7658 | focus_child = gtk_widget_get_focus_child (GTK_WIDGET (tree_view)); |
7659 | |
7660 | first_column = priv->columns; |
7661 | while (first_column) |
7662 | { |
7663 | column = GTK_TREE_VIEW_COLUMN (first_column->data); |
7664 | button = gtk_tree_view_column_get_button (tree_column: column); |
7665 | |
7666 | if (gtk_widget_get_focusable (widget: button) && |
7667 | gtk_tree_view_column_get_visible (tree_column: column) && |
7668 | (gtk_tree_view_column_get_clickable (tree_column: column) || |
7669 | gtk_tree_view_column_get_reorderable (tree_column: column))) |
7670 | break; |
7671 | first_column = first_column->next; |
7672 | } |
7673 | |
7674 | /* No headers are visible, or are focusable. We can't focus in or out. |
7675 | */ |
7676 | if (first_column == NULL) |
7677 | return FALSE; |
7678 | |
7679 | last_column = g_list_last (list: priv->columns); |
7680 | while (last_column) |
7681 | { |
7682 | column = GTK_TREE_VIEW_COLUMN (last_column->data); |
7683 | button = gtk_tree_view_column_get_button (tree_column: column); |
7684 | |
7685 | if (gtk_widget_get_focusable (widget: button) && |
7686 | gtk_tree_view_column_get_visible (tree_column: column) && |
7687 | (gtk_tree_view_column_get_clickable (tree_column: column) || |
7688 | gtk_tree_view_column_get_reorderable (tree_column: column))) |
7689 | break; |
7690 | last_column = last_column->prev; |
7691 | } |
7692 | |
7693 | |
7694 | rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); |
7695 | |
7696 | switch (dir) |
7697 | { |
7698 | case GTK_DIR_TAB_BACKWARD: |
7699 | case GTK_DIR_TAB_FORWARD: |
7700 | case GTK_DIR_UP: |
7701 | case GTK_DIR_DOWN: |
7702 | if (focus_child == NULL) |
7703 | { |
7704 | if (priv->focus_column != NULL) |
7705 | button = gtk_tree_view_column_get_button (tree_column: priv->focus_column); |
7706 | else |
7707 | button = NULL; |
7708 | |
7709 | if (button && gtk_widget_get_focusable (widget: button)) |
7710 | focus_child = button; |
7711 | else |
7712 | focus_child = gtk_tree_view_column_get_button (GTK_TREE_VIEW_COLUMN (first_column->data)); |
7713 | |
7714 | gtk_widget_grab_focus (widget: focus_child); |
7715 | break; |
7716 | } |
7717 | return FALSE; |
7718 | |
7719 | case GTK_DIR_LEFT: |
7720 | case GTK_DIR_RIGHT: |
7721 | if (focus_child == NULL) |
7722 | { |
7723 | if (priv->focus_column != NULL) |
7724 | focus_child = gtk_tree_view_column_get_button (tree_column: priv->focus_column); |
7725 | else if (dir == GTK_DIR_LEFT) |
7726 | focus_child = gtk_tree_view_column_get_button (GTK_TREE_VIEW_COLUMN (last_column->data)); |
7727 | else |
7728 | focus_child = gtk_tree_view_column_get_button (GTK_TREE_VIEW_COLUMN (first_column->data)); |
7729 | |
7730 | gtk_widget_grab_focus (widget: focus_child); |
7731 | break; |
7732 | } |
7733 | |
7734 | if (gtk_widget_child_focus (widget: focus_child, direction: dir)) |
7735 | { |
7736 | /* The focus moves inside the button. */ |
7737 | /* This is probably a great example of bad UI */ |
7738 | break; |
7739 | } |
7740 | |
7741 | /* We need to move the focus among the row of buttons. */ |
7742 | for (tmp_list = priv->columns; tmp_list; tmp_list = tmp_list->next) |
7743 | if (gtk_tree_view_column_get_button (GTK_TREE_VIEW_COLUMN (tmp_list->data)) == focus_child) |
7744 | break; |
7745 | |
7746 | if ((tmp_list == first_column && dir == (rtl ? GTK_DIR_RIGHT : GTK_DIR_LEFT)) |
7747 | || (tmp_list == last_column && dir == (rtl ? GTK_DIR_LEFT : GTK_DIR_RIGHT))) |
7748 | { |
7749 | gtk_widget_error_bell (GTK_WIDGET (tree_view)); |
7750 | break; |
7751 | } |
7752 | |
7753 | while (tmp_list) |
7754 | { |
7755 | if (dir == (rtl ? GTK_DIR_LEFT : GTK_DIR_RIGHT)) |
7756 | tmp_list = tmp_list->next; |
7757 | else |
7758 | tmp_list = tmp_list->prev; |
7759 | |
7760 | if (tmp_list == NULL) |
7761 | { |
7762 | g_warning ("Internal button not found" ); |
7763 | break; |
7764 | } |
7765 | column = tmp_list->data; |
7766 | button = gtk_tree_view_column_get_button (tree_column: column); |
7767 | if (button && |
7768 | gtk_tree_view_column_get_visible (tree_column: column) && |
7769 | gtk_widget_get_focusable (widget: button)) |
7770 | { |
7771 | focus_child = button; |
7772 | gtk_widget_grab_focus (widget: button); |
7773 | break; |
7774 | } |
7775 | } |
7776 | break; |
7777 | default: |
7778 | g_assert_not_reached (); |
7779 | break; |
7780 | } |
7781 | |
7782 | /* if focus child is non-null, we assume it's been set to the current focus child |
7783 | */ |
7784 | if (focus_child) |
7785 | { |
7786 | for (tmp_list = priv->columns; tmp_list; tmp_list = tmp_list->next) |
7787 | if (gtk_tree_view_column_get_button (GTK_TREE_VIEW_COLUMN (tmp_list->data)) == focus_child) |
7788 | { |
7789 | _gtk_tree_view_set_focus_column (tree_view, GTK_TREE_VIEW_COLUMN (tmp_list->data)); |
7790 | break; |
7791 | } |
7792 | |
7793 | if (clamp_column_visible) |
7794 | { |
7795 | gtk_tree_view_clamp_column_visible (tree_view, |
7796 | column: priv->focus_column, |
7797 | FALSE); |
7798 | } |
7799 | } |
7800 | |
7801 | return (focus_child != NULL); |
7802 | } |
7803 | |
7804 | /* This function returns in 'path' the first focusable path, if the given path |
7805 | * is already focusable, it’s the returned one. |
7806 | */ |
7807 | static gboolean |
7808 | search_first_focusable_path (GtkTreeView *tree_view, |
7809 | GtkTreePath **path, |
7810 | gboolean search_forward, |
7811 | GtkTreeRBTree **new_tree, |
7812 | GtkTreeRBNode **new_node) |
7813 | { |
7814 | GtkTreeRBTree *tree = NULL; |
7815 | GtkTreeRBNode *node = NULL; |
7816 | |
7817 | if (!path || !*path) |
7818 | return FALSE; |
7819 | |
7820 | _gtk_tree_view_find_node (tree_view, path: *path, tree: &tree, node: &node); |
7821 | |
7822 | if (!tree || !node) |
7823 | return FALSE; |
7824 | |
7825 | while (node && row_is_separator (tree_view, NULL, path: *path)) |
7826 | { |
7827 | if (search_forward) |
7828 | gtk_tree_rbtree_next_full (tree, node, new_tree: &tree, new_node: &node); |
7829 | else |
7830 | gtk_tree_rbtree_prev_full (tree, node, new_tree: &tree, new_node: &node); |
7831 | |
7832 | if (*path) |
7833 | gtk_tree_path_free (path: *path); |
7834 | |
7835 | if (node) |
7836 | *path = _gtk_tree_path_new_from_rbtree (tree, node); |
7837 | else |
7838 | *path = NULL; |
7839 | } |
7840 | |
7841 | if (new_tree) |
7842 | *new_tree = tree; |
7843 | |
7844 | if (new_node) |
7845 | *new_node = node; |
7846 | |
7847 | return (*path != NULL); |
7848 | } |
7849 | |
7850 | static int |
7851 | gtk_tree_view_focus (GtkWidget *widget, |
7852 | GtkDirectionType direction) |
7853 | { |
7854 | GtkTreeView *tree_view = GTK_TREE_VIEW (widget); |
7855 | GtkWidget *focus_child; |
7856 | |
7857 | focus_child = gtk_widget_get_focus_child (widget); |
7858 | |
7859 | gtk_tree_view_stop_editing (GTK_TREE_VIEW (widget), FALSE); |
7860 | /* Case 1. Headers currently have focus. */ |
7861 | if (focus_child) |
7862 | { |
7863 | switch (direction) |
7864 | { |
7865 | case GTK_DIR_LEFT: |
7866 | case GTK_DIR_RIGHT: |
7867 | gtk_tree_view_header_focus (tree_view, dir: direction, TRUE); |
7868 | return TRUE; |
7869 | case GTK_DIR_TAB_BACKWARD: |
7870 | case GTK_DIR_UP: |
7871 | return FALSE; |
7872 | case GTK_DIR_TAB_FORWARD: |
7873 | case GTK_DIR_DOWN: |
7874 | return gtk_widget_grab_focus (widget); |
7875 | default: |
7876 | g_assert_not_reached (); |
7877 | return FALSE; |
7878 | } |
7879 | } |
7880 | |
7881 | /* Case 2. We don't have focus at all. */ |
7882 | if (!gtk_widget_has_focus (widget)) |
7883 | { |
7884 | return gtk_widget_grab_focus (widget); |
7885 | } |
7886 | |
7887 | /* Case 3. We have focus already. */ |
7888 | if (direction == GTK_DIR_TAB_BACKWARD) |
7889 | return (gtk_tree_view_header_focus (tree_view, dir: direction, FALSE)); |
7890 | else if (direction == GTK_DIR_TAB_FORWARD) |
7891 | return FALSE; |
7892 | |
7893 | /* Other directions caught by the keybindings */ |
7894 | return gtk_widget_grab_focus (widget); |
7895 | } |
7896 | |
7897 | static gboolean |
7898 | gtk_tree_view_grab_focus (GtkWidget *widget) |
7899 | { |
7900 | if (!gtk_widget_grab_focus_self (widget)) |
7901 | return FALSE; |
7902 | |
7903 | gtk_tree_view_focus_to_cursor (GTK_TREE_VIEW (widget)); |
7904 | return TRUE; |
7905 | } |
7906 | |
7907 | static void |
7908 | gtk_tree_view_css_changed (GtkWidget *widget, |
7909 | GtkCssStyleChange *change) |
7910 | { |
7911 | GtkTreeView *tree_view = GTK_TREE_VIEW (widget); |
7912 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
7913 | GList *list; |
7914 | GtkTreeViewColumn *column; |
7915 | |
7916 | GTK_WIDGET_CLASS (gtk_tree_view_parent_class)->css_changed (widget, change); |
7917 | |
7918 | if (gtk_widget_get_realized (widget)) |
7919 | { |
7920 | gtk_tree_view_set_grid_lines (tree_view, grid_lines: priv->grid_lines); |
7921 | gtk_tree_view_set_enable_tree_lines (tree_view, enabled: priv->tree_lines_enabled); |
7922 | } |
7923 | |
7924 | if (change == NULL || gtk_css_style_change_affects (change, affects: GTK_CSS_AFFECTS_SIZE)) |
7925 | { |
7926 | for (list = priv->columns; list; list = list->next) |
7927 | { |
7928 | column = list->data; |
7929 | _gtk_tree_view_column_cell_set_dirty (tree_column: column, TRUE); |
7930 | } |
7931 | |
7932 | priv->fixed_height = -1; |
7933 | gtk_tree_rbtree_mark_invalid (tree: priv->tree); |
7934 | } |
7935 | |
7936 | /* Invalidate expander size */ |
7937 | priv->expander_size = -1; |
7938 | } |
7939 | |
7940 | static gboolean |
7941 | gtk_tree_view_real_move_cursor (GtkTreeView *tree_view, |
7942 | GtkMovementStep step, |
7943 | int count, |
7944 | gboolean extend, |
7945 | gboolean modify) |
7946 | { |
7947 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
7948 | |
7949 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); |
7950 | g_return_val_if_fail (step == GTK_MOVEMENT_LOGICAL_POSITIONS || |
7951 | step == GTK_MOVEMENT_VISUAL_POSITIONS || |
7952 | step == GTK_MOVEMENT_DISPLAY_LINES || |
7953 | step == GTK_MOVEMENT_PAGES || |
7954 | step == GTK_MOVEMENT_BUFFER_ENDS, FALSE); |
7955 | |
7956 | if (priv->tree == NULL) |
7957 | return FALSE; |
7958 | if (!gtk_widget_has_focus (GTK_WIDGET (tree_view))) |
7959 | return FALSE; |
7960 | |
7961 | gtk_tree_view_stop_editing (tree_view, FALSE); |
7962 | priv->draw_keyfocus = TRUE; |
7963 | gtk_widget_grab_focus (GTK_WIDGET (tree_view)); |
7964 | |
7965 | priv->modify_selection_pressed = modify; |
7966 | priv->extend_selection_pressed = extend; |
7967 | |
7968 | switch (step) |
7969 | { |
7970 | /* currently we make no distinction. When we go bi-di, we need to */ |
7971 | case GTK_MOVEMENT_LOGICAL_POSITIONS: |
7972 | case GTK_MOVEMENT_VISUAL_POSITIONS: |
7973 | gtk_tree_view_move_cursor_left_right (tree_view, count); |
7974 | break; |
7975 | case GTK_MOVEMENT_DISPLAY_LINES: |
7976 | gtk_tree_view_move_cursor_up_down (tree_view, count); |
7977 | break; |
7978 | case GTK_MOVEMENT_PAGES: |
7979 | gtk_tree_view_move_cursor_page_up_down (tree_view, count); |
7980 | break; |
7981 | case GTK_MOVEMENT_BUFFER_ENDS: |
7982 | gtk_tree_view_move_cursor_start_end (tree_view, count); |
7983 | break; |
7984 | case GTK_MOVEMENT_WORDS: |
7985 | case GTK_MOVEMENT_DISPLAY_LINE_ENDS: |
7986 | case GTK_MOVEMENT_PARAGRAPHS: |
7987 | case GTK_MOVEMENT_PARAGRAPH_ENDS: |
7988 | case GTK_MOVEMENT_HORIZONTAL_PAGES: |
7989 | default: |
7990 | g_assert_not_reached (); |
7991 | } |
7992 | |
7993 | priv->modify_selection_pressed = FALSE; |
7994 | priv->extend_selection_pressed = FALSE; |
7995 | |
7996 | return TRUE; |
7997 | } |
7998 | |
7999 | static void |
8000 | gtk_tree_view_put (GtkTreeView *tree_view, |
8001 | GtkWidget *child_widget, |
8002 | GtkTreePath *path, |
8003 | GtkTreeViewColumn *column, |
8004 | const GtkBorder *border) |
8005 | { |
8006 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
8007 | GtkTreeViewChild *child; |
8008 | |
8009 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
8010 | g_return_if_fail (GTK_IS_WIDGET (child_widget)); |
8011 | |
8012 | child = g_slice_new (GtkTreeViewChild); |
8013 | |
8014 | child->widget = child_widget; |
8015 | if (_gtk_tree_view_find_node (tree_view, |
8016 | path, |
8017 | tree: &child->tree, |
8018 | node: &child->node)) |
8019 | { |
8020 | g_assert_not_reached (); |
8021 | } |
8022 | child->column = column; |
8023 | child->border = *border; |
8024 | |
8025 | priv->children = g_list_append (list: priv->children, data: child); |
8026 | |
8027 | gtk_css_node_insert_after (parent: gtk_widget_get_css_node (GTK_WIDGET (tree_view)), |
8028 | cssnode: gtk_widget_get_css_node (widget: child_widget), |
8029 | previous_sibling: priv->header_node); |
8030 | gtk_widget_set_parent (widget: child_widget, GTK_WIDGET (tree_view)); |
8031 | } |
8032 | |
8033 | /* TreeModel Callbacks |
8034 | */ |
8035 | |
8036 | static void |
8037 | gtk_tree_view_row_changed (GtkTreeModel *model, |
8038 | GtkTreePath *path, |
8039 | GtkTreeIter *iter, |
8040 | gpointer data) |
8041 | { |
8042 | GtkTreeView *tree_view = (GtkTreeView *)data; |
8043 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
8044 | GtkTreeRBTree *tree; |
8045 | GtkTreeRBNode *node; |
8046 | gboolean free_path = FALSE; |
8047 | GList *list; |
8048 | GtkTreePath *cursor_path; |
8049 | |
8050 | g_return_if_fail (path != NULL || iter != NULL); |
8051 | |
8052 | if (priv->cursor_node != NULL) |
8053 | cursor_path = _gtk_tree_path_new_from_rbtree (tree: priv->cursor_tree, |
8054 | node: priv->cursor_node); |
8055 | else |
8056 | cursor_path = NULL; |
8057 | |
8058 | if (priv->edited_column && |
8059 | (cursor_path == NULL || gtk_tree_path_compare (a: cursor_path, b: path) == 0)) |
8060 | gtk_tree_view_stop_editing (tree_view, TRUE); |
8061 | |
8062 | if (cursor_path != NULL) |
8063 | gtk_tree_path_free (path: cursor_path); |
8064 | |
8065 | if (path == NULL) |
8066 | { |
8067 | path = gtk_tree_model_get_path (tree_model: model, iter); |
8068 | free_path = TRUE; |
8069 | } |
8070 | else if (iter == NULL) |
8071 | gtk_tree_model_get_iter (tree_model: model, iter, path); |
8072 | |
8073 | if (_gtk_tree_view_find_node (tree_view, |
8074 | path, |
8075 | tree: &tree, |
8076 | node: &node)) |
8077 | /* We aren't actually showing the node */ |
8078 | goto done; |
8079 | |
8080 | if (tree == NULL) |
8081 | goto done; |
8082 | |
8083 | if (priv->fixed_height_mode |
8084 | && priv->fixed_height >= 0) |
8085 | { |
8086 | gtk_tree_rbtree_node_set_height (tree, node, height: priv->fixed_height); |
8087 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
8088 | } |
8089 | else |
8090 | { |
8091 | gtk_tree_rbtree_node_mark_invalid (tree, node); |
8092 | for (list = priv->columns; list; list = list->next) |
8093 | { |
8094 | GtkTreeViewColumn *column; |
8095 | |
8096 | column = list->data; |
8097 | if (!gtk_tree_view_column_get_visible (tree_column: column)) |
8098 | continue; |
8099 | |
8100 | if (gtk_tree_view_column_get_sizing (tree_column: column) == GTK_TREE_VIEW_COLUMN_AUTOSIZE) |
8101 | { |
8102 | _gtk_tree_view_column_cell_set_dirty (tree_column: column, TRUE); |
8103 | } |
8104 | } |
8105 | } |
8106 | |
8107 | done: |
8108 | if (!priv->fixed_height_mode && |
8109 | gtk_widget_get_realized (GTK_WIDGET (tree_view))) |
8110 | install_presize_handler (tree_view); |
8111 | if (free_path) |
8112 | gtk_tree_path_free (path); |
8113 | } |
8114 | |
8115 | static void |
8116 | gtk_tree_view_row_inserted (GtkTreeModel *model, |
8117 | GtkTreePath *path, |
8118 | GtkTreeIter *iter, |
8119 | gpointer data) |
8120 | { |
8121 | GtkTreeView *tree_view = (GtkTreeView *) data; |
8122 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
8123 | int *indices; |
8124 | GtkTreeRBTree *tree; |
8125 | GtkTreeRBNode *tmpnode = NULL; |
8126 | int depth; |
8127 | int i = 0; |
8128 | int height; |
8129 | gboolean free_path = FALSE; |
8130 | |
8131 | g_return_if_fail (path != NULL || iter != NULL); |
8132 | |
8133 | if (priv->fixed_height_mode |
8134 | && priv->fixed_height >= 0) |
8135 | height = priv->fixed_height; |
8136 | else |
8137 | height = 0; |
8138 | |
8139 | if (path == NULL) |
8140 | { |
8141 | path = gtk_tree_model_get_path (tree_model: model, iter); |
8142 | free_path = TRUE; |
8143 | } |
8144 | else if (iter == NULL) |
8145 | gtk_tree_model_get_iter (tree_model: model, iter, path); |
8146 | |
8147 | if (priv->tree == NULL) |
8148 | priv->tree = gtk_tree_rbtree_new (); |
8149 | |
8150 | tree = priv->tree; |
8151 | |
8152 | /* Update all row-references */ |
8153 | gtk_tree_row_reference_inserted (G_OBJECT (data), path); |
8154 | depth = gtk_tree_path_get_depth (path); |
8155 | indices = gtk_tree_path_get_indices (path); |
8156 | |
8157 | /* First, find the parent tree */ |
8158 | while (i < depth - 1) |
8159 | { |
8160 | if (tree == NULL) |
8161 | { |
8162 | /* We aren't showing the node */ |
8163 | goto done; |
8164 | } |
8165 | |
8166 | tmpnode = gtk_tree_rbtree_find_count (tree, count: indices[i] + 1); |
8167 | if (tmpnode == NULL) |
8168 | { |
8169 | g_warning ("A node was inserted with a parent that's not in the tree.\n" \ |
8170 | "This possibly means that a GtkTreeModel inserted a child node\n" \ |
8171 | "before the parent was inserted." ); |
8172 | goto done; |
8173 | } |
8174 | else if (!GTK_TREE_RBNODE_FLAG_SET (tmpnode, GTK_TREE_RBNODE_IS_PARENT)) |
8175 | { |
8176 | /* FIXME enforce correct behavior on model, probably */ |
8177 | /* In theory, the model should have emitted has_child_toggled here. We |
8178 | * try to catch it anyway, just to be safe, in case the model hasn't. |
8179 | */ |
8180 | GtkTreePath *tmppath = _gtk_tree_path_new_from_rbtree (tree, node: tmpnode); |
8181 | gtk_tree_view_row_has_child_toggled (model, path: tmppath, NULL, data); |
8182 | gtk_tree_path_free (path: tmppath); |
8183 | goto done; |
8184 | } |
8185 | |
8186 | tree = tmpnode->children; |
8187 | i++; |
8188 | } |
8189 | |
8190 | if (tree == NULL) |
8191 | { |
8192 | goto done; |
8193 | } |
8194 | |
8195 | /* ref the node */ |
8196 | gtk_tree_model_ref_node (tree_model: priv->model, iter); |
8197 | if (indices[depth - 1] == 0) |
8198 | { |
8199 | tmpnode = gtk_tree_rbtree_find_count (tree, count: 1); |
8200 | tmpnode = gtk_tree_rbtree_insert_before (tree, node: tmpnode, height, FALSE); |
8201 | } |
8202 | else |
8203 | { |
8204 | tmpnode = gtk_tree_rbtree_find_count (tree, count: indices[depth - 1]); |
8205 | tmpnode = gtk_tree_rbtree_insert_after (tree, node: tmpnode, height, FALSE); |
8206 | } |
8207 | |
8208 | done: |
8209 | if (height > 0) |
8210 | { |
8211 | if (tree) |
8212 | gtk_tree_rbtree_node_mark_valid (tree, node: tmpnode); |
8213 | |
8214 | gtk_widget_queue_resize (GTK_WIDGET (tree_view)); |
8215 | } |
8216 | else |
8217 | install_presize_handler (tree_view); |
8218 | if (free_path) |
8219 | gtk_tree_path_free (path); |
8220 | } |
8221 | |
8222 | static void |
8223 | gtk_tree_view_row_has_child_toggled (GtkTreeModel *model, |
8224 | GtkTreePath *path, |
8225 | GtkTreeIter *iter, |
8226 | gpointer data) |
8227 | { |
8228 | GtkTreeView *tree_view = (GtkTreeView *)data; |
8229 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
8230 | GtkTreeIter real_iter; |
8231 | gboolean has_child; |
8232 | GtkTreeRBTree *tree; |
8233 | GtkTreeRBNode *node; |
8234 | gboolean free_path = FALSE; |
8235 | |
8236 | g_return_if_fail (path != NULL || iter != NULL); |
8237 | |
8238 | if (iter) |
8239 | real_iter = *iter; |
8240 | |
8241 | if (path == NULL) |
8242 | { |
8243 | path = gtk_tree_model_get_path (tree_model: model, iter); |
8244 | free_path = TRUE; |
8245 | } |
8246 | else if (iter == NULL) |
8247 | gtk_tree_model_get_iter (tree_model: model, iter: &real_iter, path); |
8248 | |
8249 | if (_gtk_tree_view_find_node (tree_view, |
8250 | path, |
8251 | tree: &tree, |
8252 | node: &node)) |
8253 | /* We aren't actually showing the node */ |
8254 | goto done; |
8255 | |
8256 | if (tree == NULL) |
8257 | goto done; |
8258 | |
8259 | has_child = gtk_tree_model_iter_has_child (tree_model: model, iter: &real_iter); |
8260 | /* Sanity check. |
8261 | */ |
8262 | if (GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_PARENT) == has_child) |
8263 | goto done; |
8264 | |
8265 | if (has_child) |
8266 | { |
8267 | GTK_TREE_RBNODE_SET_FLAG (node, GTK_TREE_RBNODE_IS_PARENT); |
8268 | } |
8269 | else |
8270 | { |
8271 | GTK_TREE_RBNODE_UNSET_FLAG (node, GTK_TREE_RBNODE_IS_PARENT); |
8272 | } |
8273 | |
8274 | if (has_child && priv->is_list) |
8275 | { |
8276 | priv->is_list = FALSE; |
8277 | if (priv->show_expanders) |
8278 | { |
8279 | GList *list; |
8280 | |
8281 | for (list = priv->columns; list; list = list->next) |
8282 | if (gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (list->data))) |
8283 | { |
8284 | _gtk_tree_view_column_cell_set_dirty (GTK_TREE_VIEW_COLUMN (list->data), TRUE); |
8285 | break; |
8286 | } |
8287 | } |
8288 | gtk_widget_queue_resize (GTK_WIDGET (tree_view)); |
8289 | } |
8290 | else |
8291 | { |
8292 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
8293 | } |
8294 | |
8295 | done: |
8296 | if (free_path) |
8297 | gtk_tree_path_free (path); |
8298 | } |
8299 | |
8300 | static void |
8301 | check_selection_helper (GtkTreeRBTree *tree, |
8302 | GtkTreeRBNode *node, |
8303 | gpointer data) |
8304 | { |
8305 | int *value = (int *)data; |
8306 | |
8307 | *value |= GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_SELECTED); |
8308 | |
8309 | if (node->children && !*value) |
8310 | gtk_tree_rbtree_traverse (tree: node->children, node: node->children->root, order: G_POST_ORDER, func: check_selection_helper, data); |
8311 | } |
8312 | |
8313 | static void |
8314 | gtk_tree_view_row_deleted (GtkTreeModel *model, |
8315 | GtkTreePath *path, |
8316 | gpointer data) |
8317 | { |
8318 | GtkTreeView *tree_view = (GtkTreeView *)data; |
8319 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
8320 | GtkTreeRBTree *tree; |
8321 | GtkTreeRBNode *node; |
8322 | GList *list; |
8323 | gboolean selection_changed = FALSE, cursor_changed = FALSE; |
8324 | GtkTreeRBTree *cursor_tree = NULL; |
8325 | GtkTreeRBNode *cursor_node = NULL; |
8326 | |
8327 | g_return_if_fail (path != NULL); |
8328 | |
8329 | gtk_tree_row_reference_deleted (G_OBJECT (data), path); |
8330 | |
8331 | if (_gtk_tree_view_find_node (tree_view, path, tree: &tree, node: &node)) |
8332 | return; |
8333 | |
8334 | if (tree == NULL) |
8335 | return; |
8336 | |
8337 | /* check if the selection has been changed */ |
8338 | gtk_tree_rbtree_traverse (tree, node, order: G_POST_ORDER, |
8339 | func: check_selection_helper, data: &selection_changed); |
8340 | |
8341 | for (list = priv->columns; list; list = list->next) |
8342 | if (gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (list->data)) && |
8343 | gtk_tree_view_column_get_sizing (GTK_TREE_VIEW_COLUMN (list->data)) == GTK_TREE_VIEW_COLUMN_AUTOSIZE) |
8344 | _gtk_tree_view_column_cell_set_dirty (tree_column: (GtkTreeViewColumn *)list->data, TRUE); |
8345 | |
8346 | /* Ensure we don't have a dangling pointer to a dead node */ |
8347 | ensure_unprelighted (tree_view); |
8348 | |
8349 | /* Cancel editing if we've started */ |
8350 | gtk_tree_view_stop_editing (tree_view, TRUE); |
8351 | |
8352 | /* If the cursor row got deleted, move the cursor to the next row */ |
8353 | if (priv->cursor_node && |
8354 | (priv->cursor_node == node || |
8355 | (node->children && (priv->cursor_tree == node->children || |
8356 | gtk_tree_rbtree_contains (tree: node->children, potential_child: priv->cursor_tree))))) |
8357 | { |
8358 | GtkTreePath *cursor_path; |
8359 | |
8360 | cursor_tree = tree; |
8361 | cursor_node = gtk_tree_rbtree_next (tree, node); |
8362 | /* find the first node that is not going to be deleted */ |
8363 | while (cursor_node == NULL && cursor_tree->parent_tree) |
8364 | { |
8365 | cursor_node = gtk_tree_rbtree_next (tree: cursor_tree->parent_tree, |
8366 | node: cursor_tree->parent_node); |
8367 | cursor_tree = cursor_tree->parent_tree; |
8368 | } |
8369 | |
8370 | if (cursor_node != NULL) |
8371 | cursor_path = _gtk_tree_path_new_from_rbtree (tree: cursor_tree, node: cursor_node); |
8372 | else |
8373 | cursor_path = NULL; |
8374 | |
8375 | if (cursor_path == NULL || |
8376 | ! search_first_focusable_path (tree_view, path: &cursor_path, TRUE, |
8377 | new_tree: &cursor_tree, new_node: &cursor_node)) |
8378 | { |
8379 | /* It looks like we reached the end of the view without finding |
8380 | * a focusable row. We will step backwards to find the last |
8381 | * focusable row. |
8382 | */ |
8383 | gtk_tree_rbtree_prev_full (tree, node, new_tree: &cursor_tree, new_node: &cursor_node); |
8384 | if (cursor_node) |
8385 | { |
8386 | cursor_path = _gtk_tree_path_new_from_rbtree (tree: cursor_tree, node: cursor_node); |
8387 | if (! search_first_focusable_path (tree_view, path: &cursor_path, FALSE, |
8388 | new_tree: &cursor_tree, new_node: &cursor_node)) |
8389 | cursor_node = NULL; |
8390 | gtk_tree_path_free (path: cursor_path); |
8391 | } |
8392 | } |
8393 | else if (cursor_path) |
8394 | gtk_tree_path_free (path: cursor_path); |
8395 | |
8396 | cursor_changed = TRUE; |
8397 | } |
8398 | |
8399 | if (tree->root->count == 1) |
8400 | { |
8401 | if (priv->tree == tree) |
8402 | priv->tree = NULL; |
8403 | |
8404 | gtk_tree_rbtree_remove (tree); |
8405 | } |
8406 | else |
8407 | { |
8408 | gtk_tree_rbtree_remove_node (tree, node); |
8409 | } |
8410 | |
8411 | if (! gtk_tree_row_reference_valid (reference: priv->top_row)) |
8412 | { |
8413 | gtk_tree_row_reference_free (reference: priv->top_row); |
8414 | priv->top_row = NULL; |
8415 | } |
8416 | |
8417 | install_scroll_sync_handler (tree_view); |
8418 | |
8419 | gtk_widget_queue_resize (GTK_WIDGET (tree_view)); |
8420 | |
8421 | if (cursor_changed) |
8422 | { |
8423 | if (cursor_node) |
8424 | { |
8425 | GtkTreePath *cursor_path = _gtk_tree_path_new_from_rbtree (tree: cursor_tree, node: cursor_node); |
8426 | gtk_tree_view_real_set_cursor (tree_view, path: cursor_path, flags: CLEAR_AND_SELECT | CURSOR_INVALID); |
8427 | gtk_tree_path_free (path: cursor_path); |
8428 | } |
8429 | else |
8430 | gtk_tree_view_real_set_cursor (tree_view, NULL, flags: CLEAR_AND_SELECT | CURSOR_INVALID); |
8431 | } |
8432 | if (selection_changed) |
8433 | g_signal_emit_by_name (instance: priv->selection, detailed_signal: "changed" ); |
8434 | } |
8435 | |
8436 | static void |
8437 | gtk_tree_view_rows_reordered (GtkTreeModel *model, |
8438 | GtkTreePath *parent, |
8439 | GtkTreeIter *iter, |
8440 | int *new_order, |
8441 | gpointer data) |
8442 | { |
8443 | GtkTreeView *tree_view = GTK_TREE_VIEW (data); |
8444 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
8445 | GtkTreeRBTree *tree; |
8446 | GtkTreeRBNode *node; |
8447 | int len; |
8448 | |
8449 | len = gtk_tree_model_iter_n_children (tree_model: model, iter); |
8450 | |
8451 | if (len < 2) |
8452 | return; |
8453 | |
8454 | gtk_tree_row_reference_reordered (G_OBJECT (data), |
8455 | path: parent, |
8456 | iter, |
8457 | new_order); |
8458 | |
8459 | if (_gtk_tree_view_find_node (tree_view, |
8460 | path: parent, |
8461 | tree: &tree, |
8462 | node: &node)) |
8463 | return; |
8464 | |
8465 | /* We need to special case the parent path */ |
8466 | if (tree == NULL) |
8467 | tree = priv->tree; |
8468 | else |
8469 | tree = node->children; |
8470 | |
8471 | if (tree == NULL) |
8472 | return; |
8473 | |
8474 | if (priv->edited_column) |
8475 | gtk_tree_view_stop_editing (tree_view, TRUE); |
8476 | |
8477 | /* we need to be unprelighted */ |
8478 | ensure_unprelighted (tree_view); |
8479 | |
8480 | gtk_tree_rbtree_reorder (tree, new_order, length: len); |
8481 | |
8482 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
8483 | |
8484 | gtk_tree_view_dy_to_top_row (tree_view); |
8485 | } |
8486 | |
8487 | |
8488 | /* Internal tree functions |
8489 | */ |
8490 | |
8491 | |
8492 | static void |
8493 | gtk_tree_view_get_background_xrange (GtkTreeView *tree_view, |
8494 | GtkTreeRBTree *tree, |
8495 | GtkTreeViewColumn *column, |
8496 | int *x1, |
8497 | int *x2) |
8498 | { |
8499 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
8500 | GtkTreeViewColumn *tmp_column = NULL; |
8501 | int total_width; |
8502 | GList *list; |
8503 | gboolean rtl; |
8504 | |
8505 | if (x1) |
8506 | *x1 = 0; |
8507 | |
8508 | if (x2) |
8509 | *x2 = 0; |
8510 | |
8511 | rtl = (_gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); |
8512 | |
8513 | total_width = 0; |
8514 | for (list = (rtl ? g_list_last (list: priv->columns) : g_list_first (list: priv->columns)); |
8515 | list; |
8516 | list = (rtl ? list->prev : list->next)) |
8517 | { |
8518 | tmp_column = list->data; |
8519 | |
8520 | if (tmp_column == column) |
8521 | break; |
8522 | |
8523 | if (gtk_tree_view_column_get_visible (tree_column: tmp_column)) |
8524 | total_width += gtk_tree_view_column_get_width (tree_column: tmp_column); |
8525 | } |
8526 | |
8527 | if (tmp_column != column) |
8528 | { |
8529 | g_warning (G_STRLOC": passed-in column isn't in the tree" ); |
8530 | return; |
8531 | } |
8532 | |
8533 | if (x1) |
8534 | *x1 = total_width; |
8535 | |
8536 | if (x2) |
8537 | { |
8538 | if (gtk_tree_view_column_get_visible (tree_column: column)) |
8539 | *x2 = total_width + gtk_tree_view_column_get_width (tree_column: column); |
8540 | else |
8541 | *x2 = total_width; /* width of 0 */ |
8542 | } |
8543 | } |
8544 | |
8545 | static void |
8546 | gtk_tree_view_get_arrow_xrange (GtkTreeView *tree_view, |
8547 | GtkTreeRBTree *tree, |
8548 | int *x1, |
8549 | int *x2) |
8550 | { |
8551 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
8552 | int x_offset = 0; |
8553 | GList *list; |
8554 | GtkTreeViewColumn *tmp_column = NULL; |
8555 | int total_width; |
8556 | int expander_size, expander_render_size; |
8557 | gboolean rtl; |
8558 | |
8559 | rtl = (_gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); |
8560 | expander_size = gtk_tree_view_get_expander_size (tree_view); |
8561 | expander_render_size = expander_size - (_TREE_VIEW_HORIZONTAL_SEPARATOR / 2); |
8562 | |
8563 | total_width = 0; |
8564 | for (list = (rtl ? g_list_last (list: priv->columns) : g_list_first (list: priv->columns)); |
8565 | list; |
8566 | list = (rtl ? list->prev : list->next)) |
8567 | { |
8568 | tmp_column = list->data; |
8569 | |
8570 | if (gtk_tree_view_is_expander_column (tree_view, column: tmp_column)) |
8571 | { |
8572 | if (rtl) |
8573 | x_offset = total_width + gtk_tree_view_column_get_width (tree_column: tmp_column) - expander_size; |
8574 | else |
8575 | x_offset = total_width; |
8576 | break; |
8577 | } |
8578 | |
8579 | if (gtk_tree_view_column_get_visible (tree_column: tmp_column)) |
8580 | total_width += gtk_tree_view_column_get_width (tree_column: tmp_column); |
8581 | } |
8582 | |
8583 | x_offset += (expander_size - expander_render_size); |
8584 | |
8585 | if (rtl) |
8586 | x_offset -= expander_size * gtk_tree_rbtree_get_depth (tree); |
8587 | else |
8588 | x_offset += expander_size * gtk_tree_rbtree_get_depth (tree); |
8589 | |
8590 | *x1 = x_offset; |
8591 | |
8592 | if (tmp_column && |
8593 | gtk_tree_view_column_get_visible (tree_column: tmp_column)) |
8594 | /* +1 because x2 isn't included in the range. */ |
8595 | *x2 = *x1 + expander_render_size + 1; |
8596 | else |
8597 | *x2 = *x1; |
8598 | } |
8599 | |
8600 | static void |
8601 | gtk_tree_view_build_tree (GtkTreeView *tree_view, |
8602 | GtkTreeRBTree *tree, |
8603 | GtkTreeIter *iter, |
8604 | int depth, |
8605 | gboolean recurse) |
8606 | { |
8607 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
8608 | GtkTreeRBNode *temp = NULL; |
8609 | GtkTreePath *path = NULL; |
8610 | |
8611 | do |
8612 | { |
8613 | gtk_tree_model_ref_node (tree_model: priv->model, iter); |
8614 | temp = gtk_tree_rbtree_insert_after (tree, node: temp, height: 0, FALSE); |
8615 | |
8616 | if (priv->fixed_height > 0) |
8617 | { |
8618 | if (GTK_TREE_RBNODE_FLAG_SET (temp, GTK_TREE_RBNODE_INVALID)) |
8619 | { |
8620 | gtk_tree_rbtree_node_set_height (tree, node: temp, height: priv->fixed_height); |
8621 | gtk_tree_rbtree_node_mark_valid (tree, node: temp); |
8622 | } |
8623 | } |
8624 | |
8625 | if (priv->is_list) |
8626 | continue; |
8627 | |
8628 | if (recurse) |
8629 | { |
8630 | GtkTreeIter child; |
8631 | |
8632 | if (!path) |
8633 | path = gtk_tree_model_get_path (tree_model: priv->model, iter); |
8634 | else |
8635 | gtk_tree_path_next (path); |
8636 | |
8637 | if (gtk_tree_model_iter_has_child (tree_model: priv->model, iter)) |
8638 | { |
8639 | gboolean expand; |
8640 | |
8641 | g_signal_emit (instance: tree_view, signal_id: tree_view_signals[TEST_EXPAND_ROW], detail: 0, iter, path, &expand); |
8642 | |
8643 | if (gtk_tree_model_iter_children (tree_model: priv->model, iter: &child, parent: iter) |
8644 | && !expand) |
8645 | { |
8646 | temp->children = gtk_tree_rbtree_new (); |
8647 | temp->children->parent_tree = tree; |
8648 | temp->children->parent_node = temp; |
8649 | gtk_tree_view_build_tree (tree_view, tree: temp->children, iter: &child, depth: depth + 1, recurse); |
8650 | } |
8651 | } |
8652 | } |
8653 | |
8654 | if (gtk_tree_model_iter_has_child (tree_model: priv->model, iter)) |
8655 | { |
8656 | if ((temp->flags>K_TREE_RBNODE_IS_PARENT) != GTK_TREE_RBNODE_IS_PARENT) |
8657 | temp->flags ^= GTK_TREE_RBNODE_IS_PARENT; |
8658 | } |
8659 | } |
8660 | while (gtk_tree_model_iter_next (tree_model: priv->model, iter)); |
8661 | |
8662 | if (path) |
8663 | gtk_tree_path_free (path); |
8664 | } |
8665 | |
8666 | /* Make sure the node is visible vertically */ |
8667 | static void |
8668 | gtk_tree_view_clamp_node_visible (GtkTreeView *tree_view, |
8669 | GtkTreeRBTree *tree, |
8670 | GtkTreeRBNode *node) |
8671 | { |
8672 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
8673 | int node_dy, height; |
8674 | GtkTreePath *path = NULL; |
8675 | |
8676 | if (!gtk_widget_get_realized (GTK_WIDGET (tree_view))) |
8677 | return; |
8678 | |
8679 | /* just return if the node is visible, avoiding a costly expose */ |
8680 | node_dy = gtk_tree_rbtree_node_find_offset (tree, node); |
8681 | height = gtk_tree_view_get_row_height (tree_view, node); |
8682 | if (! GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_INVALID) |
8683 | && node_dy >= gtk_adjustment_get_value (adjustment: priv->vadjustment) |
8684 | && node_dy + height <= (gtk_adjustment_get_value (adjustment: priv->vadjustment) |
8685 | + gtk_adjustment_get_page_size (adjustment: priv->vadjustment))) |
8686 | return; |
8687 | |
8688 | path = _gtk_tree_path_new_from_rbtree (tree, node); |
8689 | if (path) |
8690 | { |
8691 | gtk_tree_view_scroll_to_cell (tree_view, path, NULL, FALSE, row_align: 0.0, col_align: 0.0); |
8692 | gtk_tree_path_free (path); |
8693 | } |
8694 | } |
8695 | |
8696 | static void |
8697 | gtk_tree_view_clamp_column_visible (GtkTreeView *tree_view, |
8698 | GtkTreeViewColumn *column, |
8699 | gboolean focus_to_cell) |
8700 | { |
8701 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
8702 | GtkAllocation allocation; |
8703 | int x, width; |
8704 | |
8705 | if (column == NULL) |
8706 | return; |
8707 | |
8708 | gtk_widget_get_allocation (widget: gtk_tree_view_column_get_button (tree_column: column), allocation: &allocation); |
8709 | x = allocation.x; |
8710 | width = allocation.width; |
8711 | |
8712 | if (width > gtk_adjustment_get_page_size (adjustment: priv->hadjustment)) |
8713 | { |
8714 | /* The column is larger than the horizontal page size. If the |
8715 | * column has cells which can be focused individually, then we make |
8716 | * sure the cell which gets focus is fully visible (if even the |
8717 | * focus cell is bigger than the page size, we make sure the |
8718 | * left-hand side of the cell is visible). |
8719 | * |
8720 | * If the column does not have an activatable cell, we |
8721 | * make sure the left-hand side of the column is visible. |
8722 | */ |
8723 | |
8724 | if (focus_to_cell && gtk_tree_view_has_can_focus_cell (tree_view)) |
8725 | { |
8726 | GtkCellArea *cell_area; |
8727 | GtkCellRenderer *focus_cell; |
8728 | |
8729 | cell_area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (column)); |
8730 | focus_cell = gtk_cell_area_get_focus_cell (area: cell_area); |
8731 | |
8732 | if (gtk_tree_view_column_cell_get_position (tree_column: column, cell_renderer: focus_cell, |
8733 | x_offset: &x, width: &width)) |
8734 | { |
8735 | if (width < gtk_adjustment_get_page_size (adjustment: priv->hadjustment)) |
8736 | { |
8737 | if (gtk_adjustment_get_value (adjustment: priv->hadjustment) + gtk_adjustment_get_page_size (adjustment: priv->hadjustment) < x + width) |
8738 | gtk_adjustment_set_value (adjustment: priv->hadjustment, |
8739 | value: x + width - gtk_adjustment_get_page_size (adjustment: priv->hadjustment)); |
8740 | else if (gtk_adjustment_get_value (adjustment: priv->hadjustment) > x) |
8741 | gtk_adjustment_set_value (adjustment: priv->hadjustment, value: x); |
8742 | } |
8743 | } |
8744 | } |
8745 | |
8746 | gtk_adjustment_set_value (adjustment: priv->hadjustment, value: x); |
8747 | } |
8748 | else |
8749 | { |
8750 | if ((gtk_adjustment_get_value (adjustment: priv->hadjustment) + gtk_adjustment_get_page_size (adjustment: priv->hadjustment)) < (x + width)) |
8751 | gtk_adjustment_set_value (adjustment: priv->hadjustment, |
8752 | value: x + width - gtk_adjustment_get_page_size (adjustment: priv->hadjustment)); |
8753 | else if (gtk_adjustment_get_value (adjustment: priv->hadjustment) > x) |
8754 | gtk_adjustment_set_value (adjustment: priv->hadjustment, value: x); |
8755 | } |
8756 | } |
8757 | |
8758 | /* This function could be more efficient. I'll optimize it if profiling seems |
8759 | * to imply that it is important */ |
8760 | GtkTreePath * |
8761 | _gtk_tree_path_new_from_rbtree (GtkTreeRBTree *tree, |
8762 | GtkTreeRBNode *node) |
8763 | { |
8764 | GtkTreePath *path; |
8765 | GtkTreeRBTree *tmp_tree; |
8766 | GtkTreeRBNode *tmp_node, *last; |
8767 | int count; |
8768 | |
8769 | path = gtk_tree_path_new (); |
8770 | |
8771 | g_return_val_if_fail (node != NULL, path); |
8772 | |
8773 | count = 1 + node->left->count; |
8774 | |
8775 | last = node; |
8776 | tmp_node = node->parent; |
8777 | tmp_tree = tree; |
8778 | while (tmp_tree) |
8779 | { |
8780 | while (!gtk_tree_rbtree_is_nil (node: tmp_node)) |
8781 | { |
8782 | if (tmp_node->right == last) |
8783 | count += 1 + tmp_node->left->count; |
8784 | last = tmp_node; |
8785 | tmp_node = tmp_node->parent; |
8786 | } |
8787 | gtk_tree_path_prepend_index (path, index_: count - 1); |
8788 | last = tmp_tree->parent_node; |
8789 | tmp_tree = tmp_tree->parent_tree; |
8790 | if (last) |
8791 | { |
8792 | count = 1 + last->left->count; |
8793 | tmp_node = last->parent; |
8794 | } |
8795 | } |
8796 | return path; |
8797 | } |
8798 | |
8799 | /* Returns TRUE if we ran out of tree before finding the path. If the path is |
8800 | * invalid (ie. points to a node that’s not in the tree), *tree and *node are |
8801 | * both set to NULL. |
8802 | */ |
8803 | gboolean |
8804 | _gtk_tree_view_find_node (GtkTreeView *tree_view, |
8805 | GtkTreePath *path, |
8806 | GtkTreeRBTree **tree, |
8807 | GtkTreeRBNode **node) |
8808 | { |
8809 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
8810 | GtkTreeRBNode *tmpnode = NULL; |
8811 | GtkTreeRBTree *tmptree = priv->tree; |
8812 | int *indices = gtk_tree_path_get_indices (path); |
8813 | int depth = gtk_tree_path_get_depth (path); |
8814 | int i = 0; |
8815 | |
8816 | *node = NULL; |
8817 | *tree = NULL; |
8818 | |
8819 | if (depth == 0 || tmptree == NULL) |
8820 | return FALSE; |
8821 | do |
8822 | { |
8823 | tmpnode = gtk_tree_rbtree_find_count (tree: tmptree, count: indices[i] + 1); |
8824 | ++i; |
8825 | if (tmpnode == NULL) |
8826 | { |
8827 | *tree = NULL; |
8828 | *node = NULL; |
8829 | return FALSE; |
8830 | } |
8831 | if (i >= depth) |
8832 | { |
8833 | *tree = tmptree; |
8834 | *node = tmpnode; |
8835 | return FALSE; |
8836 | } |
8837 | *tree = tmptree; |
8838 | *node = tmpnode; |
8839 | tmptree = tmpnode->children; |
8840 | if (tmptree == NULL) |
8841 | return TRUE; |
8842 | } |
8843 | while (1); |
8844 | } |
8845 | |
8846 | static gboolean |
8847 | gtk_tree_view_is_expander_column (GtkTreeView *tree_view, |
8848 | GtkTreeViewColumn *column) |
8849 | { |
8850 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
8851 | GList *list; |
8852 | |
8853 | if (priv->is_list) |
8854 | return FALSE; |
8855 | |
8856 | if (priv->expander_column != NULL) |
8857 | { |
8858 | if (priv->expander_column == column) |
8859 | return TRUE; |
8860 | return FALSE; |
8861 | } |
8862 | else |
8863 | { |
8864 | for (list = priv->columns; |
8865 | list; |
8866 | list = list->next) |
8867 | if (gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (list->data))) |
8868 | break; |
8869 | if (list && list->data == column) |
8870 | return TRUE; |
8871 | } |
8872 | return FALSE; |
8873 | } |
8874 | |
8875 | static inline gboolean |
8876 | gtk_tree_view_draw_expanders (GtkTreeView *tree_view) |
8877 | { |
8878 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
8879 | |
8880 | if (!priv->is_list && priv->show_expanders) |
8881 | return TRUE; |
8882 | /* else */ |
8883 | return FALSE; |
8884 | } |
8885 | |
8886 | static void |
8887 | gtk_tree_view_add_move_binding (GtkWidgetClass *widget_class, |
8888 | guint keyval, |
8889 | guint modmask, |
8890 | gboolean add_shifted_binding, |
8891 | GtkMovementStep step, |
8892 | int count) |
8893 | { |
8894 | gtk_widget_class_add_binding_signal (widget_class, |
8895 | keyval, mods: modmask, |
8896 | signal: "move-cursor" , |
8897 | format_string: "(iibb)" , step, count, FALSE, FALSE); |
8898 | |
8899 | if (add_shifted_binding) |
8900 | gtk_widget_class_add_binding_signal (widget_class, |
8901 | keyval, mods: GDK_SHIFT_MASK, |
8902 | signal: "move-cursor" , |
8903 | format_string: "(iibb)" , step, count, TRUE, FALSE); |
8904 | |
8905 | if ((modmask & GDK_CONTROL_MASK) == GDK_CONTROL_MASK) |
8906 | return; |
8907 | |
8908 | gtk_widget_class_add_binding_signal (widget_class, |
8909 | keyval, mods: GDK_CONTROL_MASK, |
8910 | signal: "move-cursor" , |
8911 | format_string: "(iibb)" , step, count, FALSE, TRUE); |
8912 | |
8913 | if (add_shifted_binding) |
8914 | gtk_widget_class_add_binding_signal (widget_class, keyval, |
8915 | mods: GDK_CONTROL_MASK | GDK_SHIFT_MASK, |
8916 | signal: "move-cursor" , |
8917 | format_string: "(iibb)" , step, count, TRUE, TRUE); |
8918 | } |
8919 | |
8920 | static int |
8921 | gtk_tree_view_unref_tree_helper (GtkTreeModel *model, |
8922 | GtkTreeIter *iter, |
8923 | GtkTreeRBTree *tree, |
8924 | GtkTreeRBNode *node) |
8925 | { |
8926 | int retval = FALSE; |
8927 | do |
8928 | { |
8929 | g_return_val_if_fail (node != NULL, FALSE); |
8930 | |
8931 | if (node->children) |
8932 | { |
8933 | GtkTreeIter child; |
8934 | GtkTreeRBTree *new_tree; |
8935 | GtkTreeRBNode *new_node; |
8936 | |
8937 | new_tree = node->children; |
8938 | new_node = gtk_tree_rbtree_first (tree: new_tree); |
8939 | |
8940 | if (!gtk_tree_model_iter_children (tree_model: model, iter: &child, parent: iter)) |
8941 | return FALSE; |
8942 | |
8943 | retval = gtk_tree_view_unref_tree_helper (model, iter: &child, tree: new_tree, node: new_node) | retval; |
8944 | } |
8945 | |
8946 | if (GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_SELECTED)) |
8947 | retval = TRUE; |
8948 | gtk_tree_model_unref_node (tree_model: model, iter); |
8949 | node = gtk_tree_rbtree_next (tree, node); |
8950 | } |
8951 | while (gtk_tree_model_iter_next (tree_model: model, iter)); |
8952 | |
8953 | return retval; |
8954 | } |
8955 | |
8956 | static int |
8957 | gtk_tree_view_unref_and_check_selection_tree (GtkTreeView *tree_view, |
8958 | GtkTreeRBTree *tree) |
8959 | { |
8960 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
8961 | GtkTreeIter iter; |
8962 | GtkTreePath *path; |
8963 | GtkTreeRBNode *node; |
8964 | int retval; |
8965 | |
8966 | if (!tree) |
8967 | return FALSE; |
8968 | |
8969 | node = gtk_tree_rbtree_first (tree); |
8970 | |
8971 | g_return_val_if_fail (node != NULL, FALSE); |
8972 | path = _gtk_tree_path_new_from_rbtree (tree, node); |
8973 | gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->model), |
8974 | iter: &iter, path); |
8975 | retval = gtk_tree_view_unref_tree_helper (GTK_TREE_MODEL (priv->model), iter: &iter, tree, node); |
8976 | gtk_tree_path_free (path); |
8977 | |
8978 | return retval; |
8979 | } |
8980 | |
8981 | static void |
8982 | gtk_tree_view_set_column_drag_info (GtkTreeView *tree_view, |
8983 | GtkTreeViewColumn *column) |
8984 | { |
8985 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
8986 | GtkTreeViewColumn *left_column; |
8987 | GtkTreeViewColumn *cur_column = NULL; |
8988 | GtkTreeViewColumnReorder *reorder; |
8989 | gboolean rtl; |
8990 | GList *tmp_list; |
8991 | int left; |
8992 | |
8993 | /* We want to precalculate the motion list such that we know what column slots |
8994 | * are available. |
8995 | */ |
8996 | left_column = NULL; |
8997 | rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); |
8998 | |
8999 | /* First, identify all possible drop spots */ |
9000 | if (rtl) |
9001 | tmp_list = g_list_last (list: priv->columns); |
9002 | else |
9003 | tmp_list = g_list_first (list: priv->columns); |
9004 | |
9005 | while (tmp_list) |
9006 | { |
9007 | cur_column = GTK_TREE_VIEW_COLUMN (tmp_list->data); |
9008 | tmp_list = rtl ? tmp_list->prev : tmp_list->next; |
9009 | |
9010 | if (gtk_tree_view_column_get_visible (tree_column: cur_column) == FALSE) |
9011 | continue; |
9012 | |
9013 | /* If it's not the column moving and func tells us to skip over the column, we continue. */ |
9014 | if (left_column != column && cur_column != column && |
9015 | priv->column_drop_func && |
9016 | ! priv->column_drop_func (tree_view, column, left_column, cur_column, priv->column_drop_func_data)) |
9017 | { |
9018 | left_column = cur_column; |
9019 | continue; |
9020 | } |
9021 | reorder = g_slice_new0 (GtkTreeViewColumnReorder); |
9022 | reorder->left_column = left_column; |
9023 | left_column = reorder->right_column = cur_column; |
9024 | |
9025 | priv->column_drag_info = g_list_append (list: priv->column_drag_info, data: reorder); |
9026 | } |
9027 | |
9028 | /* Add the last one */ |
9029 | if (priv->column_drop_func == NULL || |
9030 | ((left_column != column) && |
9031 | priv->column_drop_func (tree_view, column, left_column, NULL, priv->column_drop_func_data))) |
9032 | { |
9033 | reorder = g_slice_new0 (GtkTreeViewColumnReorder); |
9034 | reorder->left_column = left_column; |
9035 | reorder->right_column = NULL; |
9036 | priv->column_drag_info = g_list_append (list: priv->column_drag_info, data: reorder); |
9037 | } |
9038 | |
9039 | /* We quickly check to see if it even makes sense to reorder columns. */ |
9040 | /* If there is nothing that can be moved, then we return */ |
9041 | |
9042 | if (priv->column_drag_info == NULL) |
9043 | return; |
9044 | |
9045 | /* We know there are always 2 slots possbile, as you can always return column. */ |
9046 | /* If that's all there is, return */ |
9047 | if (priv->column_drag_info->next == NULL || |
9048 | (priv->column_drag_info->next->next == NULL && |
9049 | ((GtkTreeViewColumnReorder *)priv->column_drag_info->data)->right_column == column && |
9050 | ((GtkTreeViewColumnReorder *)priv->column_drag_info->next->data)->left_column == column)) |
9051 | { |
9052 | for (tmp_list = priv->column_drag_info; tmp_list; tmp_list = tmp_list->next) |
9053 | g_slice_free (GtkTreeViewColumnReorder, tmp_list->data); |
9054 | g_list_free (list: priv->column_drag_info); |
9055 | priv->column_drag_info = NULL; |
9056 | return; |
9057 | } |
9058 | /* We fill in the ranges for the columns, now that we've isolated them */ |
9059 | left = - TREE_VIEW_COLUMN_DRAG_DEAD_MULTIPLIER (tree_view); |
9060 | |
9061 | for (tmp_list = priv->column_drag_info; tmp_list; tmp_list = tmp_list->next) |
9062 | { |
9063 | reorder = (GtkTreeViewColumnReorder *) tmp_list->data; |
9064 | |
9065 | reorder->left_align = left; |
9066 | if (tmp_list->next != NULL) |
9067 | { |
9068 | GtkAllocation right_allocation, left_allocation; |
9069 | GtkWidget *left_button, *right_button; |
9070 | |
9071 | g_assert (tmp_list->next->data); |
9072 | |
9073 | right_button = gtk_tree_view_column_get_button (tree_column: reorder->right_column); |
9074 | left_button = gtk_tree_view_column_get_button |
9075 | (tree_column: ((GtkTreeViewColumnReorder *)tmp_list->next->data)->left_column); |
9076 | |
9077 | gtk_widget_get_allocation (widget: right_button, allocation: &right_allocation); |
9078 | gtk_widget_get_allocation (widget: left_button, allocation: &left_allocation); |
9079 | left = reorder->right_align = (right_allocation.x + right_allocation.width + left_allocation.x) / 2; |
9080 | } |
9081 | else |
9082 | { |
9083 | reorder->right_align = gtk_widget_get_allocated_width (GTK_WIDGET (tree_view)) |
9084 | + TREE_VIEW_COLUMN_DRAG_DEAD_MULTIPLIER (tree_view); |
9085 | } |
9086 | } |
9087 | } |
9088 | |
9089 | void |
9090 | _gtk_tree_view_column_start_drag (GtkTreeView *tree_view, |
9091 | GtkTreeViewColumn *column, |
9092 | GdkDevice *device) |
9093 | { |
9094 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9095 | GtkAllocation button_allocation; |
9096 | GtkWidget *button; |
9097 | GtkStyleContext *context; |
9098 | |
9099 | g_return_if_fail (priv->column_drag_info == NULL); |
9100 | g_return_if_fail (priv->cur_reorder == NULL); |
9101 | |
9102 | gtk_tree_view_set_column_drag_info (tree_view, column); |
9103 | |
9104 | if (priv->column_drag_info == NULL) |
9105 | return; |
9106 | |
9107 | button = gtk_tree_view_column_get_button (tree_column: column); |
9108 | |
9109 | context = gtk_widget_get_style_context (widget: button); |
9110 | gtk_style_context_add_class (context, class_name: "dnd" ); |
9111 | |
9112 | gtk_widget_get_allocation (widget: button, allocation: &button_allocation); |
9113 | priv->drag_column_x = button_allocation.x; |
9114 | priv->drag_column_y = button_allocation.y; |
9115 | |
9116 | priv->drag_column = column; |
9117 | |
9118 | gtk_widget_grab_focus (GTK_WIDGET (tree_view)); |
9119 | |
9120 | priv->in_column_drag = TRUE; |
9121 | |
9122 | gtk_gesture_set_state (gesture: priv->column_drag_gesture, |
9123 | state: GTK_EVENT_SEQUENCE_CLAIMED); |
9124 | } |
9125 | |
9126 | static inline int |
9127 | (GtkTreeView *tree_view) |
9128 | { |
9129 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9130 | |
9131 | if (priv->headers_visible) |
9132 | return priv->header_height; |
9133 | else |
9134 | return 0; |
9135 | } |
9136 | |
9137 | void |
9138 | _gtk_tree_view_get_row_separator_func (GtkTreeView *tree_view, |
9139 | GtkTreeViewRowSeparatorFunc *func, |
9140 | gpointer *data) |
9141 | { |
9142 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9143 | |
9144 | *func = priv->row_separator_func; |
9145 | *data = priv->row_separator_data; |
9146 | } |
9147 | |
9148 | GtkTreePath * |
9149 | _gtk_tree_view_get_anchor_path (GtkTreeView *tree_view) |
9150 | { |
9151 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9152 | |
9153 | if (priv->anchor) |
9154 | return gtk_tree_row_reference_get_path (reference: priv->anchor); |
9155 | |
9156 | return NULL; |
9157 | } |
9158 | |
9159 | void |
9160 | _gtk_tree_view_set_anchor_path (GtkTreeView *tree_view, |
9161 | GtkTreePath *anchor_path) |
9162 | { |
9163 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9164 | |
9165 | if (priv->anchor) |
9166 | { |
9167 | gtk_tree_row_reference_free (reference: priv->anchor); |
9168 | priv->anchor = NULL; |
9169 | } |
9170 | |
9171 | if (anchor_path && priv->model) |
9172 | priv->anchor = |
9173 | gtk_tree_row_reference_new (model: priv->model, path: anchor_path); |
9174 | } |
9175 | |
9176 | GtkTreeRBTree * |
9177 | _gtk_tree_view_get_rbtree (GtkTreeView *tree_view) |
9178 | { |
9179 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9180 | |
9181 | return priv->tree; |
9182 | } |
9183 | |
9184 | gboolean |
9185 | _gtk_tree_view_get_cursor_node (GtkTreeView *tree_view, |
9186 | GtkTreeRBTree **tree, |
9187 | GtkTreeRBNode **node) |
9188 | { |
9189 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9190 | |
9191 | if (priv->cursor_node == NULL) |
9192 | return FALSE; |
9193 | |
9194 | *tree = priv->cursor_tree; |
9195 | *node = priv->cursor_node; |
9196 | |
9197 | return TRUE; |
9198 | } |
9199 | |
9200 | GtkTreeViewColumn * |
9201 | _gtk_tree_view_get_focus_column (GtkTreeView *tree_view) |
9202 | { |
9203 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9204 | |
9205 | return priv->focus_column; |
9206 | } |
9207 | |
9208 | void |
9209 | _gtk_tree_view_set_focus_column (GtkTreeView *tree_view, |
9210 | GtkTreeViewColumn *column) |
9211 | { |
9212 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9213 | GtkTreeViewColumn *old_column = priv->focus_column; |
9214 | |
9215 | if (old_column == column) |
9216 | return; |
9217 | |
9218 | priv->focus_column = column; |
9219 | } |
9220 | |
9221 | /* x and y are the mouse position |
9222 | */ |
9223 | static void |
9224 | gtk_tree_view_snapshot_arrow (GtkTreeView *tree_view, |
9225 | GtkSnapshot *snapshot, |
9226 | GtkTreeRBTree *tree, |
9227 | GtkTreeRBNode *node) |
9228 | { |
9229 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9230 | GdkRectangle area; |
9231 | GtkStateFlags state = 0; |
9232 | GtkStyleContext *context; |
9233 | GtkWidget *widget; |
9234 | int x_offset = 0; |
9235 | int x2; |
9236 | GtkCellRendererState flags = 0; |
9237 | |
9238 | widget = GTK_WIDGET (tree_view); |
9239 | context = gtk_widget_get_style_context (widget); |
9240 | |
9241 | if (! GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_PARENT)) |
9242 | return; |
9243 | |
9244 | gtk_tree_view_get_arrow_xrange (tree_view, tree, x1: &x_offset, x2: &x2); |
9245 | |
9246 | area.x = x_offset; |
9247 | area.y = gtk_tree_view_get_cell_area_y_offset (tree_view, tree, node); |
9248 | area.width = x2 - x_offset; |
9249 | area.height = gtk_tree_view_get_cell_area_height (tree_view, node); |
9250 | |
9251 | if (GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_SELECTED)) |
9252 | flags |= GTK_CELL_RENDERER_SELECTED; |
9253 | |
9254 | if (node == priv->prelight_node && |
9255 | priv->arrow_prelit) |
9256 | flags |= GTK_CELL_RENDERER_PRELIT; |
9257 | |
9258 | state = gtk_cell_renderer_get_state (NULL, widget, cell_state: flags); |
9259 | |
9260 | if (node->children != NULL) |
9261 | state |= GTK_STATE_FLAG_CHECKED; |
9262 | else |
9263 | state &= ~(GTK_STATE_FLAG_CHECKED); |
9264 | |
9265 | gtk_style_context_save (context); |
9266 | |
9267 | gtk_style_context_set_state (context, flags: state); |
9268 | gtk_style_context_add_class (context, class_name: "expander" ); |
9269 | |
9270 | gtk_snapshot_save (snapshot); |
9271 | gtk_snapshot_translate (snapshot, point: &GRAPHENE_POINT_INIT (area.x, area.y)); |
9272 | gtk_css_style_snapshot_icon (style: gtk_style_context_lookup_style (context), snapshot, |
9273 | width: area.width, height: area.height); |
9274 | gtk_snapshot_restore (snapshot); |
9275 | |
9276 | gtk_style_context_restore (context); |
9277 | } |
9278 | |
9279 | static void |
9280 | gtk_tree_view_focus_to_cursor (GtkTreeView *tree_view) |
9281 | |
9282 | { |
9283 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9284 | GtkTreePath *cursor_path; |
9285 | |
9286 | if ((priv->tree == NULL) || |
9287 | (! gtk_widget_get_realized (GTK_WIDGET (tree_view)))) |
9288 | return; |
9289 | |
9290 | cursor_path = NULL; |
9291 | if (priv->cursor_node) |
9292 | cursor_path = _gtk_tree_path_new_from_rbtree (tree: priv->cursor_tree, |
9293 | node: priv->cursor_node); |
9294 | |
9295 | if (cursor_path == NULL) |
9296 | { |
9297 | /* Consult the selection before defaulting to the |
9298 | * first focusable element |
9299 | */ |
9300 | GList *selected_rows; |
9301 | GtkTreeModel *model; |
9302 | GtkTreeSelection *selection; |
9303 | |
9304 | selection = gtk_tree_view_get_selection (tree_view); |
9305 | selected_rows = gtk_tree_selection_get_selected_rows (selection, model: &model); |
9306 | |
9307 | if (selected_rows) |
9308 | { |
9309 | cursor_path = gtk_tree_path_copy(path: (const GtkTreePath *)(selected_rows->data)); |
9310 | g_list_free_full (list: selected_rows, free_func: (GDestroyNotify) gtk_tree_path_free); |
9311 | } |
9312 | else |
9313 | { |
9314 | cursor_path = gtk_tree_path_new_first (); |
9315 | search_first_focusable_path (tree_view, path: &cursor_path, |
9316 | TRUE, NULL, NULL); |
9317 | } |
9318 | |
9319 | if (cursor_path) |
9320 | { |
9321 | if (gtk_tree_selection_get_mode (selection: priv->selection) == GTK_SELECTION_MULTIPLE) |
9322 | gtk_tree_view_real_set_cursor (tree_view, path: cursor_path, flags: 0); |
9323 | else |
9324 | gtk_tree_view_real_set_cursor (tree_view, path: cursor_path, flags: CLEAR_AND_SELECT); |
9325 | } |
9326 | } |
9327 | |
9328 | if (cursor_path) |
9329 | { |
9330 | priv->draw_keyfocus = TRUE; |
9331 | |
9332 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
9333 | gtk_tree_path_free (path: cursor_path); |
9334 | |
9335 | if (priv->focus_column == NULL) |
9336 | { |
9337 | GList *list; |
9338 | for (list = priv->columns; list; list = list->next) |
9339 | { |
9340 | if (gtk_tree_view_column_get_visible (GTK_TREE_VIEW_COLUMN (list->data))) |
9341 | { |
9342 | GtkCellArea *cell_area; |
9343 | |
9344 | _gtk_tree_view_set_focus_column (tree_view, GTK_TREE_VIEW_COLUMN (list->data)); |
9345 | |
9346 | /* This happens when the treeview initially grabs focus and there |
9347 | * is no column in focus, here we explicitly focus into the first cell */ |
9348 | cell_area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (priv->focus_column)); |
9349 | if (!gtk_cell_area_get_focus_cell (area: cell_area)) |
9350 | { |
9351 | gboolean rtl; |
9352 | |
9353 | rtl = (_gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); |
9354 | gtk_cell_area_focus (area: cell_area, |
9355 | direction: rtl ? GTK_DIR_LEFT : GTK_DIR_RIGHT); |
9356 | } |
9357 | |
9358 | break; |
9359 | } |
9360 | } |
9361 | } |
9362 | } |
9363 | } |
9364 | |
9365 | static void |
9366 | gtk_tree_view_move_cursor_up_down (GtkTreeView *tree_view, |
9367 | int count) |
9368 | { |
9369 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9370 | int selection_count; |
9371 | GtkTreeRBTree *new_cursor_tree = NULL; |
9372 | GtkTreeRBNode *new_cursor_node = NULL; |
9373 | GtkTreePath *cursor_path = NULL; |
9374 | gboolean selectable; |
9375 | GtkDirectionType direction; |
9376 | GtkCellArea *cell_area = NULL; |
9377 | GtkCellRenderer *last_focus_cell = NULL; |
9378 | GtkTreeIter iter; |
9379 | |
9380 | if (priv->cursor_node == NULL) |
9381 | return; |
9382 | |
9383 | cursor_path = _gtk_tree_path_new_from_rbtree (tree: priv->cursor_tree, |
9384 | node: priv->cursor_node); |
9385 | |
9386 | direction = count < 0 ? GTK_DIR_UP : GTK_DIR_DOWN; |
9387 | |
9388 | if (priv->focus_column) |
9389 | cell_area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (priv->focus_column)); |
9390 | |
9391 | /* If focus stays in the area for this row, then just return for this round */ |
9392 | if (cell_area && (count == -1 || count == 1) && |
9393 | gtk_tree_model_get_iter (tree_model: priv->model, iter: &iter, path: cursor_path)) |
9394 | { |
9395 | gtk_tree_view_column_cell_set_cell_data (tree_column: priv->focus_column, |
9396 | tree_model: priv->model, |
9397 | iter: &iter, |
9398 | GTK_TREE_RBNODE_FLAG_SET (priv->cursor_node, GTK_TREE_RBNODE_IS_PARENT), |
9399 | is_expanded: priv->cursor_node->children ? TRUE : FALSE); |
9400 | |
9401 | /* Save the last cell that had focus, if we hit the end of the view we'll give |
9402 | * focus back to it. */ |
9403 | last_focus_cell = gtk_cell_area_get_focus_cell (area: cell_area); |
9404 | |
9405 | /* If focus stays in the area, no need to change the cursor row */ |
9406 | if (gtk_cell_area_focus (area: cell_area, direction)) |
9407 | return; |
9408 | } |
9409 | |
9410 | selection_count = gtk_tree_selection_count_selected_rows (selection: priv->selection); |
9411 | selectable = _gtk_tree_selection_row_is_selectable (selection: priv->selection, |
9412 | node: priv->cursor_node, |
9413 | path: cursor_path); |
9414 | |
9415 | if (selection_count == 0 |
9416 | && gtk_tree_selection_get_mode (selection: priv->selection) != GTK_SELECTION_NONE |
9417 | && !priv->modify_selection_pressed |
9418 | && selectable) |
9419 | { |
9420 | /* Don't move the cursor, but just select the current node */ |
9421 | new_cursor_tree = priv->cursor_tree; |
9422 | new_cursor_node = priv->cursor_node; |
9423 | } |
9424 | else |
9425 | { |
9426 | if (count == -1) |
9427 | gtk_tree_rbtree_prev_full (tree: priv->cursor_tree, node: priv->cursor_node, |
9428 | new_tree: &new_cursor_tree, new_node: &new_cursor_node); |
9429 | else |
9430 | gtk_tree_rbtree_next_full (tree: priv->cursor_tree, node: priv->cursor_node, |
9431 | new_tree: &new_cursor_tree, new_node: &new_cursor_node); |
9432 | } |
9433 | |
9434 | gtk_tree_path_free (path: cursor_path); |
9435 | |
9436 | if (new_cursor_node) |
9437 | { |
9438 | cursor_path = _gtk_tree_path_new_from_rbtree (tree: new_cursor_tree, node: new_cursor_node); |
9439 | |
9440 | search_first_focusable_path (tree_view, path: &cursor_path, |
9441 | search_forward: (count != -1), |
9442 | new_tree: &new_cursor_tree, |
9443 | new_node: &new_cursor_node); |
9444 | |
9445 | if (cursor_path) |
9446 | gtk_tree_path_free (path: cursor_path); |
9447 | } |
9448 | |
9449 | /* |
9450 | * If the list has only one item and multi-selection is set then select |
9451 | * the row (if not yet selected). |
9452 | */ |
9453 | if (gtk_tree_selection_get_mode (selection: priv->selection) == GTK_SELECTION_MULTIPLE && |
9454 | new_cursor_node == NULL) |
9455 | { |
9456 | if (count == -1) |
9457 | gtk_tree_rbtree_next_full (tree: priv->cursor_tree, node: priv->cursor_node, |
9458 | new_tree: &new_cursor_tree, new_node: &new_cursor_node); |
9459 | else |
9460 | gtk_tree_rbtree_prev_full (tree: priv->cursor_tree, node: priv->cursor_node, |
9461 | new_tree: &new_cursor_tree, new_node: &new_cursor_node); |
9462 | |
9463 | if (new_cursor_node == NULL |
9464 | && !GTK_TREE_RBNODE_FLAG_SET (priv->cursor_node, GTK_TREE_RBNODE_IS_SELECTED)) |
9465 | { |
9466 | new_cursor_node = priv->cursor_node; |
9467 | new_cursor_tree = priv->cursor_tree; |
9468 | } |
9469 | else |
9470 | { |
9471 | new_cursor_tree = NULL; |
9472 | new_cursor_node = NULL; |
9473 | } |
9474 | } |
9475 | |
9476 | if (new_cursor_node) |
9477 | { |
9478 | cursor_path = _gtk_tree_path_new_from_rbtree (tree: new_cursor_tree, node: new_cursor_node); |
9479 | gtk_tree_view_real_set_cursor (tree_view, path: cursor_path, flags: CLEAR_AND_SELECT | CLAMP_NODE); |
9480 | gtk_tree_path_free (path: cursor_path); |
9481 | |
9482 | /* Give focus to the area in the new row */ |
9483 | if (cell_area) |
9484 | gtk_cell_area_focus (area: cell_area, direction); |
9485 | } |
9486 | else |
9487 | { |
9488 | gtk_tree_view_clamp_node_visible (tree_view, |
9489 | tree: priv->cursor_tree, |
9490 | node: priv->cursor_node); |
9491 | |
9492 | if (!priv->extend_selection_pressed) |
9493 | { |
9494 | if (! gtk_widget_keynav_failed (GTK_WIDGET (tree_view), |
9495 | direction: count < 0 ? |
9496 | GTK_DIR_UP : GTK_DIR_DOWN)) |
9497 | { |
9498 | GtkWidget *toplevel = GTK_WIDGET (gtk_widget_get_root (GTK_WIDGET (tree_view))); |
9499 | |
9500 | if (toplevel) |
9501 | gtk_widget_child_focus (widget: toplevel, |
9502 | direction: count < 0 ? |
9503 | GTK_DIR_TAB_BACKWARD : |
9504 | GTK_DIR_TAB_FORWARD); |
9505 | } |
9506 | } |
9507 | else |
9508 | { |
9509 | gtk_widget_error_bell (GTK_WIDGET (tree_view)); |
9510 | } |
9511 | |
9512 | if (cell_area) |
9513 | gtk_cell_area_set_focus_cell (area: cell_area, renderer: last_focus_cell); |
9514 | } |
9515 | } |
9516 | |
9517 | static void |
9518 | gtk_tree_view_move_cursor_page_up_down (GtkTreeView *tree_view, |
9519 | int count) |
9520 | { |
9521 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9522 | GtkTreePath *old_cursor_path = NULL; |
9523 | GtkTreePath *cursor_path = NULL; |
9524 | GtkTreeRBTree *start_cursor_tree = NULL; |
9525 | GtkTreeRBNode *start_cursor_node = NULL; |
9526 | GtkTreeRBTree *cursor_tree; |
9527 | GtkTreeRBNode *cursor_node; |
9528 | int y; |
9529 | int window_y; |
9530 | |
9531 | if (!gtk_widget_has_focus (GTK_WIDGET (tree_view))) |
9532 | return; |
9533 | |
9534 | if (priv->cursor_node == NULL) |
9535 | return; |
9536 | |
9537 | old_cursor_path = _gtk_tree_path_new_from_rbtree (tree: priv->cursor_tree, |
9538 | node: priv->cursor_node); |
9539 | |
9540 | y = gtk_tree_rbtree_node_find_offset (tree: priv->cursor_tree, node: priv->cursor_node); |
9541 | window_y = RBTREE_Y_TO_TREE_WINDOW_Y (priv, y); |
9542 | y += priv->cursor_offset; |
9543 | y += count * (int)gtk_adjustment_get_page_increment (adjustment: priv->vadjustment); |
9544 | y = CLAMP (y, (int)gtk_adjustment_get_lower (priv->vadjustment), (int)gtk_adjustment_get_upper (priv->vadjustment)); |
9545 | |
9546 | if (y >= gtk_tree_view_get_height (tree_view)) |
9547 | y = gtk_tree_view_get_height (tree_view) - 1; |
9548 | |
9549 | priv->cursor_offset = |
9550 | gtk_tree_rbtree_find_offset (tree: priv->tree, offset: y, |
9551 | new_tree: &cursor_tree, new_node: &cursor_node); |
9552 | |
9553 | if (cursor_tree == NULL) |
9554 | { |
9555 | /* FIXME: we lost the cursor. Should we try to get one? */ |
9556 | gtk_tree_path_free (path: old_cursor_path); |
9557 | return; |
9558 | } |
9559 | |
9560 | if (priv->cursor_offset |
9561 | > gtk_tree_view_get_row_height (tree_view, node: cursor_node)) |
9562 | { |
9563 | gtk_tree_rbtree_next_full (tree: cursor_tree, node: cursor_node, |
9564 | new_tree: &cursor_tree, new_node: &cursor_node); |
9565 | priv->cursor_offset -= gtk_tree_view_get_row_height (tree_view, node: cursor_node); |
9566 | } |
9567 | |
9568 | y -= priv->cursor_offset; |
9569 | cursor_path = _gtk_tree_path_new_from_rbtree (tree: cursor_tree, node: cursor_node); |
9570 | |
9571 | start_cursor_tree = cursor_tree; |
9572 | start_cursor_node = cursor_node; |
9573 | |
9574 | if (! search_first_focusable_path (tree_view, path: &cursor_path, |
9575 | search_forward: (count != -1), |
9576 | new_tree: &cursor_tree, new_node: &cursor_node)) |
9577 | { |
9578 | /* It looks like we reached the end of the view without finding |
9579 | * a focusable row. We will step backwards to find the last |
9580 | * focusable row. |
9581 | */ |
9582 | cursor_tree = start_cursor_tree; |
9583 | cursor_node = start_cursor_node; |
9584 | cursor_path = _gtk_tree_path_new_from_rbtree (tree: cursor_tree, node: cursor_node); |
9585 | |
9586 | search_first_focusable_path (tree_view, path: &cursor_path, |
9587 | search_forward: (count == -1), |
9588 | new_tree: &cursor_tree, new_node: &cursor_node); |
9589 | } |
9590 | |
9591 | if (!cursor_path) |
9592 | goto cleanup; |
9593 | |
9594 | /* update y */ |
9595 | y = gtk_tree_rbtree_node_find_offset (tree: cursor_tree, node: cursor_node); |
9596 | |
9597 | gtk_tree_view_real_set_cursor (tree_view, path: cursor_path, flags: CLEAR_AND_SELECT); |
9598 | |
9599 | y -= window_y; |
9600 | gtk_tree_view_scroll_to_point (tree_view, tree_x: -1, tree_y: y); |
9601 | gtk_tree_view_clamp_node_visible (tree_view, tree: cursor_tree, node: cursor_node); |
9602 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
9603 | |
9604 | if (!gtk_tree_path_compare (a: old_cursor_path, b: cursor_path)) |
9605 | gtk_widget_error_bell (GTK_WIDGET (tree_view)); |
9606 | |
9607 | gtk_widget_grab_focus (GTK_WIDGET (tree_view)); |
9608 | |
9609 | cleanup: |
9610 | gtk_tree_path_free (path: old_cursor_path); |
9611 | gtk_tree_path_free (path: cursor_path); |
9612 | } |
9613 | |
9614 | static void |
9615 | gtk_tree_view_move_cursor_left_right (GtkTreeView *tree_view, |
9616 | int count) |
9617 | { |
9618 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9619 | GtkTreePath *cursor_path = NULL; |
9620 | GtkTreeViewColumn *column; |
9621 | GtkTreeIter iter; |
9622 | GList *list; |
9623 | gboolean found_column = FALSE; |
9624 | gboolean rtl; |
9625 | GtkDirectionType direction; |
9626 | GtkCellArea *cell_area; |
9627 | GtkCellRenderer *last_focus_cell = NULL; |
9628 | GtkCellArea *last_focus_area = NULL; |
9629 | |
9630 | rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); |
9631 | |
9632 | if (!gtk_widget_has_focus (GTK_WIDGET (tree_view))) |
9633 | return; |
9634 | |
9635 | if (priv->cursor_node == NULL) |
9636 | return; |
9637 | |
9638 | cursor_path = _gtk_tree_path_new_from_rbtree (tree: priv->cursor_tree, |
9639 | node: priv->cursor_node); |
9640 | |
9641 | if (gtk_tree_model_get_iter (tree_model: priv->model, iter: &iter, path: cursor_path) == FALSE) |
9642 | { |
9643 | gtk_tree_path_free (path: cursor_path); |
9644 | return; |
9645 | } |
9646 | gtk_tree_path_free (path: cursor_path); |
9647 | |
9648 | list = rtl ? g_list_last (list: priv->columns) : g_list_first (list: priv->columns); |
9649 | if (priv->focus_column) |
9650 | { |
9651 | /* Save the cell/area we are moving focus from, if moving the cursor |
9652 | * by one step hits the end we'll set focus back here */ |
9653 | last_focus_area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (priv->focus_column)); |
9654 | last_focus_cell = gtk_cell_area_get_focus_cell (area: last_focus_area); |
9655 | |
9656 | for (; list; list = (rtl ? list->prev : list->next)) |
9657 | { |
9658 | if (list->data == priv->focus_column) |
9659 | break; |
9660 | } |
9661 | } |
9662 | |
9663 | direction = count > 0 ? GTK_DIR_RIGHT : GTK_DIR_LEFT; |
9664 | |
9665 | while (list) |
9666 | { |
9667 | column = list->data; |
9668 | if (gtk_tree_view_column_get_visible (tree_column: column) == FALSE) |
9669 | goto loop_end; |
9670 | |
9671 | gtk_tree_view_column_cell_set_cell_data (tree_column: column, |
9672 | tree_model: priv->model, |
9673 | iter: &iter, |
9674 | GTK_TREE_RBNODE_FLAG_SET (priv->cursor_node, GTK_TREE_RBNODE_IS_PARENT), |
9675 | is_expanded: priv->cursor_node->children ? TRUE : FALSE); |
9676 | |
9677 | cell_area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (column)); |
9678 | if (gtk_cell_area_focus (area: cell_area, direction)) |
9679 | { |
9680 | _gtk_tree_view_set_focus_column (tree_view, column); |
9681 | found_column = TRUE; |
9682 | break; |
9683 | } |
9684 | |
9685 | loop_end: |
9686 | if (count == 1) |
9687 | list = rtl ? list->prev : list->next; |
9688 | else |
9689 | list = rtl ? list->next : list->prev; |
9690 | } |
9691 | |
9692 | if (found_column) |
9693 | { |
9694 | if (!gtk_tree_view_has_can_focus_cell (tree_view)) |
9695 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
9696 | g_signal_emit (instance: tree_view, signal_id: tree_view_signals[CURSOR_CHANGED], detail: 0); |
9697 | gtk_widget_grab_focus (GTK_WIDGET (tree_view)); |
9698 | } |
9699 | else |
9700 | { |
9701 | gtk_widget_error_bell (GTK_WIDGET (tree_view)); |
9702 | |
9703 | if (last_focus_area) |
9704 | gtk_cell_area_set_focus_cell (area: last_focus_area, renderer: last_focus_cell); |
9705 | } |
9706 | |
9707 | gtk_tree_view_clamp_column_visible (tree_view, |
9708 | column: priv->focus_column, TRUE); |
9709 | } |
9710 | |
9711 | static void |
9712 | gtk_tree_view_move_cursor_start_end (GtkTreeView *tree_view, |
9713 | int count) |
9714 | { |
9715 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9716 | GtkTreeRBTree *cursor_tree; |
9717 | GtkTreeRBNode *cursor_node; |
9718 | GtkTreePath *path; |
9719 | GtkTreePath *old_path; |
9720 | |
9721 | if (!gtk_widget_has_focus (GTK_WIDGET (tree_view))) |
9722 | return; |
9723 | |
9724 | g_return_if_fail (priv->tree != NULL); |
9725 | |
9726 | gtk_tree_view_get_cursor (tree_view, path: &old_path, NULL); |
9727 | |
9728 | cursor_tree = priv->tree; |
9729 | |
9730 | if (count == -1) |
9731 | { |
9732 | cursor_node = gtk_tree_rbtree_first (tree: cursor_tree); |
9733 | |
9734 | /* Now go forward to find the first focusable row. */ |
9735 | path = _gtk_tree_path_new_from_rbtree (tree: cursor_tree, node: cursor_node); |
9736 | search_first_focusable_path (tree_view, path: &path, |
9737 | TRUE, new_tree: &cursor_tree, new_node: &cursor_node); |
9738 | } |
9739 | else |
9740 | { |
9741 | cursor_node = cursor_tree->root; |
9742 | |
9743 | do |
9744 | { |
9745 | while (cursor_node && !gtk_tree_rbtree_is_nil (node: cursor_node->right)) |
9746 | cursor_node = cursor_node->right; |
9747 | if (cursor_node->children == NULL) |
9748 | break; |
9749 | |
9750 | cursor_tree = cursor_node->children; |
9751 | cursor_node = cursor_tree->root; |
9752 | } |
9753 | while (1); |
9754 | |
9755 | /* Now go backwards to find last focusable row. */ |
9756 | path = _gtk_tree_path_new_from_rbtree (tree: cursor_tree, node: cursor_node); |
9757 | search_first_focusable_path (tree_view, path: &path, |
9758 | FALSE, new_tree: &cursor_tree, new_node: &cursor_node); |
9759 | } |
9760 | |
9761 | if (!path) |
9762 | goto cleanup; |
9763 | |
9764 | if (gtk_tree_path_compare (a: old_path, b: path)) |
9765 | { |
9766 | gtk_tree_view_real_set_cursor (tree_view, path, flags: CLEAR_AND_SELECT | CLAMP_NODE); |
9767 | gtk_widget_grab_focus (GTK_WIDGET (tree_view)); |
9768 | } |
9769 | else |
9770 | { |
9771 | gtk_widget_error_bell (GTK_WIDGET (tree_view)); |
9772 | } |
9773 | |
9774 | cleanup: |
9775 | gtk_tree_path_free (path: old_path); |
9776 | gtk_tree_path_free (path); |
9777 | } |
9778 | |
9779 | static gboolean |
9780 | gtk_tree_view_real_select_all (GtkTreeView *tree_view) |
9781 | { |
9782 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9783 | |
9784 | if (!gtk_widget_has_focus (GTK_WIDGET (tree_view))) |
9785 | return FALSE; |
9786 | |
9787 | if (gtk_tree_selection_get_mode (selection: priv->selection) != GTK_SELECTION_MULTIPLE) |
9788 | return FALSE; |
9789 | |
9790 | gtk_tree_selection_select_all (selection: priv->selection); |
9791 | |
9792 | return TRUE; |
9793 | } |
9794 | |
9795 | static gboolean |
9796 | gtk_tree_view_real_unselect_all (GtkTreeView *tree_view) |
9797 | { |
9798 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9799 | |
9800 | if (!gtk_widget_has_focus (GTK_WIDGET (tree_view))) |
9801 | return FALSE; |
9802 | |
9803 | if (gtk_tree_selection_get_mode (selection: priv->selection) != GTK_SELECTION_MULTIPLE) |
9804 | return FALSE; |
9805 | |
9806 | gtk_tree_selection_unselect_all (selection: priv->selection); |
9807 | |
9808 | return TRUE; |
9809 | } |
9810 | |
9811 | static gboolean |
9812 | gtk_tree_view_real_select_cursor_row (GtkTreeView *tree_view, |
9813 | gboolean start_editing) |
9814 | { |
9815 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9816 | GtkTreeRBTree *new_tree = NULL; |
9817 | GtkTreeRBNode *new_node = NULL; |
9818 | GtkTreeRBTree *cursor_tree = NULL; |
9819 | GtkTreeRBNode *cursor_node = NULL; |
9820 | GtkTreePath *cursor_path = NULL; |
9821 | GtkTreeSelectMode mode = 0; |
9822 | |
9823 | if (!gtk_widget_has_focus (GTK_WIDGET (tree_view))) |
9824 | return FALSE; |
9825 | |
9826 | if (priv->cursor_node == NULL) |
9827 | return FALSE; |
9828 | |
9829 | cursor_path = _gtk_tree_path_new_from_rbtree (tree: priv->cursor_tree, |
9830 | node: priv->cursor_node); |
9831 | |
9832 | _gtk_tree_view_find_node (tree_view, path: cursor_path, |
9833 | tree: &cursor_tree, node: &cursor_node); |
9834 | |
9835 | if (cursor_tree == NULL) |
9836 | { |
9837 | gtk_tree_path_free (path: cursor_path); |
9838 | return FALSE; |
9839 | } |
9840 | |
9841 | if (!priv->extend_selection_pressed && start_editing && |
9842 | priv->focus_column) |
9843 | { |
9844 | if (gtk_tree_view_start_editing (tree_view, cursor_path, FALSE)) |
9845 | { |
9846 | gtk_tree_path_free (path: cursor_path); |
9847 | return TRUE; |
9848 | } |
9849 | } |
9850 | |
9851 | if (priv->modify_selection_pressed) |
9852 | mode |= GTK_TREE_SELECT_MODE_TOGGLE; |
9853 | if (priv->extend_selection_pressed) |
9854 | mode |= GTK_TREE_SELECT_MODE_EXTEND; |
9855 | |
9856 | _gtk_tree_selection_internal_select_node (selection: priv->selection, |
9857 | node: cursor_node, |
9858 | tree: cursor_tree, |
9859 | path: cursor_path, |
9860 | mode, |
9861 | FALSE); |
9862 | |
9863 | /* We bail out if the original (tree, node) don't exist anymore after |
9864 | * handling the selection-changed callback. We do return TRUE because |
9865 | * the key press has been handled at this point. |
9866 | */ |
9867 | _gtk_tree_view_find_node (tree_view, path: cursor_path, tree: &new_tree, node: &new_node); |
9868 | |
9869 | if (cursor_tree != new_tree || cursor_node != new_node) |
9870 | return FALSE; |
9871 | |
9872 | gtk_tree_view_clamp_node_visible (tree_view, tree: cursor_tree, node: cursor_node); |
9873 | |
9874 | gtk_widget_grab_focus (GTK_WIDGET (tree_view)); |
9875 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
9876 | |
9877 | if (!priv->extend_selection_pressed) |
9878 | gtk_tree_view_row_activated (tree_view, path: cursor_path, |
9879 | column: priv->focus_column); |
9880 | |
9881 | gtk_tree_path_free (path: cursor_path); |
9882 | |
9883 | return TRUE; |
9884 | } |
9885 | |
9886 | static gboolean |
9887 | gtk_tree_view_real_toggle_cursor_row (GtkTreeView *tree_view) |
9888 | { |
9889 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9890 | GtkTreeRBTree *new_tree = NULL; |
9891 | GtkTreeRBNode *new_node = NULL; |
9892 | GtkTreePath *cursor_path = NULL; |
9893 | |
9894 | if (!gtk_widget_has_focus (GTK_WIDGET (tree_view))) |
9895 | return FALSE; |
9896 | |
9897 | if (priv->cursor_node == NULL) |
9898 | return FALSE; |
9899 | |
9900 | cursor_path = _gtk_tree_path_new_from_rbtree (tree: priv->cursor_tree, |
9901 | node: priv->cursor_node); |
9902 | |
9903 | _gtk_tree_selection_internal_select_node (selection: priv->selection, |
9904 | node: priv->cursor_node, |
9905 | tree: priv->cursor_tree, |
9906 | path: cursor_path, |
9907 | mode: GTK_TREE_SELECT_MODE_TOGGLE, |
9908 | FALSE); |
9909 | |
9910 | /* We bail out if the original (tree, node) don't exist anymore after |
9911 | * handling the selection-changed callback. We do return TRUE because |
9912 | * the key press has been handled at this point. |
9913 | */ |
9914 | _gtk_tree_view_find_node (tree_view, path: cursor_path, tree: &new_tree, node: &new_node); |
9915 | |
9916 | if (priv->cursor_node != new_node) |
9917 | return FALSE; |
9918 | |
9919 | gtk_tree_view_clamp_node_visible (tree_view, |
9920 | tree: priv->cursor_tree, |
9921 | node: priv->cursor_node); |
9922 | |
9923 | gtk_widget_grab_focus (GTK_WIDGET (tree_view)); |
9924 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
9925 | gtk_tree_path_free (path: cursor_path); |
9926 | |
9927 | return TRUE; |
9928 | } |
9929 | |
9930 | static gboolean |
9931 | gtk_tree_view_real_expand_collapse_cursor_row (GtkTreeView *tree_view, |
9932 | gboolean logical, |
9933 | gboolean expand, |
9934 | gboolean open_all) |
9935 | { |
9936 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9937 | GtkTreePath *cursor_path = NULL; |
9938 | |
9939 | if (!gtk_widget_has_focus (GTK_WIDGET (tree_view))) |
9940 | return FALSE; |
9941 | |
9942 | if (priv->cursor_node == NULL) |
9943 | return FALSE; |
9944 | |
9945 | cursor_path = _gtk_tree_path_new_from_rbtree (tree: priv->cursor_tree, |
9946 | node: priv->cursor_node); |
9947 | |
9948 | /* Don't handle the event if we aren't an expander */ |
9949 | if (!GTK_TREE_RBNODE_FLAG_SET (priv->cursor_node, GTK_TREE_RBNODE_IS_PARENT)) |
9950 | return FALSE; |
9951 | |
9952 | if (!logical |
9953 | && gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL) |
9954 | expand = !expand; |
9955 | |
9956 | if (expand) |
9957 | gtk_tree_view_real_expand_row (tree_view, |
9958 | path: cursor_path, |
9959 | tree: priv->cursor_tree, |
9960 | node: priv->cursor_node, |
9961 | open_all); |
9962 | else |
9963 | gtk_tree_view_real_collapse_row (tree_view, |
9964 | path: cursor_path, |
9965 | tree: priv->cursor_tree, |
9966 | node: priv->cursor_node); |
9967 | |
9968 | gtk_tree_path_free (path: cursor_path); |
9969 | |
9970 | return TRUE; |
9971 | } |
9972 | |
9973 | static gboolean |
9974 | gtk_tree_view_real_select_cursor_parent (GtkTreeView *tree_view) |
9975 | { |
9976 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
9977 | GtkTreePath *cursor_path = NULL; |
9978 | |
9979 | if (!gtk_widget_has_focus (GTK_WIDGET (tree_view))) |
9980 | goto out; |
9981 | |
9982 | if (priv->cursor_node == NULL) |
9983 | goto out; |
9984 | |
9985 | cursor_path = _gtk_tree_path_new_from_rbtree (tree: priv->cursor_tree, |
9986 | node: priv->cursor_node); |
9987 | |
9988 | if (priv->cursor_tree->parent_node) |
9989 | { |
9990 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
9991 | |
9992 | gtk_tree_path_up (path: cursor_path); |
9993 | |
9994 | gtk_tree_view_real_set_cursor (tree_view, path: cursor_path, flags: CLEAR_AND_SELECT | CLAMP_NODE); |
9995 | gtk_tree_path_free (path: cursor_path); |
9996 | |
9997 | gtk_widget_grab_focus (GTK_WIDGET (tree_view)); |
9998 | |
9999 | return TRUE; |
10000 | } |
10001 | |
10002 | out: |
10003 | |
10004 | priv->search_entry_avoid_unhandled_binding = TRUE; |
10005 | return FALSE; |
10006 | } |
10007 | |
10008 | static gboolean |
10009 | gtk_tree_view_search_entry_flush_timeout (GtkTreeView *tree_view) |
10010 | { |
10011 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10012 | |
10013 | gtk_tree_view_search_popover_hide (search_popover: priv->search_popover, tree_view); |
10014 | priv->typeselect_flush_timeout = 0; |
10015 | |
10016 | return FALSE; |
10017 | } |
10018 | |
10019 | static void |
10020 | gtk_tree_view_ensure_interactive_directory (GtkTreeView *tree_view) |
10021 | { |
10022 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10023 | GtkEventController *controller; |
10024 | GtkGesture *gesture; |
10025 | |
10026 | if (priv->search_custom_entry_set) |
10027 | return; |
10028 | |
10029 | if (priv->search_popover) |
10030 | return; |
10031 | |
10032 | priv->search_popover = gtk_popover_new (); |
10033 | gtk_css_node_insert_after (parent: gtk_widget_get_css_node (GTK_WIDGET (tree_view)), |
10034 | cssnode: gtk_widget_get_css_node (widget: priv->search_popover), |
10035 | previous_sibling: priv->header_node); |
10036 | gtk_widget_set_parent (widget: priv->search_popover, GTK_WIDGET (tree_view)); |
10037 | gtk_popover_set_autohide (GTK_POPOVER (priv->search_popover), FALSE); |
10038 | |
10039 | controller = gtk_event_controller_key_new (); |
10040 | g_signal_connect (controller, "key-pressed" , |
10041 | G_CALLBACK (gtk_tree_view_search_key_pressed), |
10042 | tree_view); |
10043 | gtk_widget_add_controller (widget: priv->search_popover, controller); |
10044 | |
10045 | gesture = gtk_gesture_click_new (); |
10046 | g_signal_connect (gesture, "pressed" , |
10047 | G_CALLBACK (gtk_tree_view_search_pressed_cb), tree_view); |
10048 | gtk_widget_add_controller (widget: priv->search_popover, GTK_EVENT_CONTROLLER (gesture)); |
10049 | |
10050 | controller = gtk_event_controller_scroll_new (flags: GTK_EVENT_CONTROLLER_SCROLL_VERTICAL); |
10051 | g_signal_connect (controller, "scroll" , |
10052 | G_CALLBACK (gtk_tree_view_search_scroll_event), |
10053 | tree_view); |
10054 | gtk_widget_add_controller (widget: priv->search_popover, controller); |
10055 | |
10056 | priv->search_entry = gtk_text_new (); |
10057 | |
10058 | controller = gtk_text_get_key_controller (GTK_TEXT (priv->search_entry)); |
10059 | gtk_event_controller_set_propagation_limit (controller, limit: GTK_LIMIT_NONE); |
10060 | |
10061 | g_signal_connect (priv->search_entry, "activate" , |
10062 | G_CALLBACK (gtk_tree_view_search_activate), tree_view); |
10063 | g_signal_connect (priv->search_entry, "preedit-changed" , |
10064 | G_CALLBACK (gtk_tree_view_search_preedit_changed), tree_view); |
10065 | g_signal_connect (priv->search_entry, "changed" , |
10066 | G_CALLBACK (gtk_tree_view_search_changed), tree_view); |
10067 | |
10068 | gtk_popover_set_child (GTK_POPOVER (priv->search_popover), child: priv->search_entry); |
10069 | |
10070 | gtk_widget_realize (widget: priv->search_entry); |
10071 | } |
10072 | |
10073 | /* Pops up the interactive search entry. If keybinding is TRUE then the user |
10074 | * started this by typing the start_interactive_search keybinding. Otherwise, it came from |
10075 | */ |
10076 | static gboolean |
10077 | gtk_tree_view_real_start_interactive_search (GtkTreeView *tree_view, |
10078 | gboolean keybinding) |
10079 | { |
10080 | /* We only start interactive search if we have focus or the columns |
10081 | * have focus. If one of our children have focus, we don't want to |
10082 | * start the search. |
10083 | */ |
10084 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10085 | GList *list; |
10086 | gboolean found_focus = FALSE; |
10087 | |
10088 | if (!priv->enable_search && !keybinding) |
10089 | return FALSE; |
10090 | |
10091 | if (priv->search_custom_entry_set) |
10092 | return FALSE; |
10093 | |
10094 | if (priv->search_popover && |
10095 | gtk_widget_get_visible (widget: priv->search_popover)) |
10096 | return TRUE; |
10097 | |
10098 | for (list = priv->columns; list; list = list->next) |
10099 | { |
10100 | GtkTreeViewColumn *column; |
10101 | GtkWidget *button; |
10102 | |
10103 | column = list->data; |
10104 | if (!gtk_tree_view_column_get_visible (tree_column: column)) |
10105 | continue; |
10106 | |
10107 | button = gtk_tree_view_column_get_button (tree_column: column); |
10108 | if (gtk_widget_has_focus (widget: button)) |
10109 | { |
10110 | found_focus = TRUE; |
10111 | break; |
10112 | } |
10113 | } |
10114 | |
10115 | if (gtk_widget_has_focus (GTK_WIDGET (tree_view))) |
10116 | found_focus = TRUE; |
10117 | |
10118 | if (!found_focus) |
10119 | return FALSE; |
10120 | |
10121 | if (priv->search_column < 0) |
10122 | return FALSE; |
10123 | |
10124 | gtk_tree_view_ensure_interactive_directory (tree_view); |
10125 | |
10126 | if (keybinding) |
10127 | gtk_editable_set_text (GTK_EDITABLE (priv->search_entry), text: "" ); |
10128 | |
10129 | /* Grab focus without selecting all the text. */ |
10130 | gtk_text_grab_focus_without_selecting (GTK_TEXT (priv->search_entry)); |
10131 | |
10132 | gtk_popover_popup (GTK_POPOVER (priv->search_popover)); |
10133 | if (priv->search_entry_changed_id == 0) |
10134 | { |
10135 | priv->search_entry_changed_id = |
10136 | g_signal_connect (priv->search_entry, "changed" , |
10137 | G_CALLBACK (gtk_tree_view_search_init), |
10138 | tree_view); |
10139 | } |
10140 | |
10141 | priv->typeselect_flush_timeout = |
10142 | g_timeout_add (GTK_TREE_VIEW_SEARCH_DIALOG_TIMEOUT, |
10143 | function: (GSourceFunc) gtk_tree_view_search_entry_flush_timeout, |
10144 | data: tree_view); |
10145 | gdk_source_set_static_name_by_id (tag: priv->typeselect_flush_timeout, name: "[gtk] gtk_tree_view_search_entry_flush_timeout" ); |
10146 | |
10147 | /* search first matching iter */ |
10148 | gtk_tree_view_search_init (entry: priv->search_entry, tree_view); |
10149 | |
10150 | return TRUE; |
10151 | } |
10152 | |
10153 | static gboolean |
10154 | gtk_tree_view_start_interactive_search (GtkTreeView *tree_view) |
10155 | { |
10156 | return gtk_tree_view_real_start_interactive_search (tree_view, TRUE); |
10157 | } |
10158 | |
10159 | /* Callbacks */ |
10160 | static void |
10161 | gtk_tree_view_adjustment_changed (GtkAdjustment *adjustment, |
10162 | GtkTreeView *tree_view) |
10163 | { |
10164 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10165 | |
10166 | if (gtk_widget_get_realized (GTK_WIDGET (tree_view))) |
10167 | { |
10168 | GtkAllocation allocation; |
10169 | int dy; |
10170 | |
10171 | gtk_widget_get_allocation (GTK_WIDGET (tree_view), allocation: &allocation); |
10172 | dy = priv->dy - (int) gtk_adjustment_get_value (adjustment: priv->vadjustment); |
10173 | |
10174 | if (dy != 0) |
10175 | { |
10176 | /* update our dy and top_row */ |
10177 | priv->dy = (int) gtk_adjustment_get_value (adjustment: priv->vadjustment); |
10178 | |
10179 | update_prelight (tree_view, |
10180 | x: priv->event_last_x, |
10181 | y: priv->event_last_y); |
10182 | |
10183 | if (!priv->in_top_row_to_dy) |
10184 | gtk_tree_view_dy_to_top_row (tree_view); |
10185 | |
10186 | } |
10187 | } |
10188 | |
10189 | gtk_widget_queue_allocate (GTK_WIDGET (tree_view)); |
10190 | } |
10191 | |
10192 | |
10193 | |
10194 | /* Public methods |
10195 | */ |
10196 | |
10197 | /** |
10198 | * gtk_tree_view_new: |
10199 | * |
10200 | * Creates a new `GtkTreeView` widget. |
10201 | * |
10202 | * Returns: A newly created `GtkTreeView` widget. |
10203 | **/ |
10204 | GtkWidget * |
10205 | gtk_tree_view_new (void) |
10206 | { |
10207 | return g_object_new (GTK_TYPE_TREE_VIEW, NULL); |
10208 | } |
10209 | |
10210 | /** |
10211 | * gtk_tree_view_new_with_model: |
10212 | * @model: the model. |
10213 | * |
10214 | * Creates a new `GtkTreeView` widget with the model initialized to @model. |
10215 | * |
10216 | * Returns: A newly created `GtkTreeView` widget. |
10217 | **/ |
10218 | GtkWidget * |
10219 | gtk_tree_view_new_with_model (GtkTreeModel *model) |
10220 | { |
10221 | return g_object_new (GTK_TYPE_TREE_VIEW, first_property_name: "model" , model, NULL); |
10222 | } |
10223 | |
10224 | /* Public Accessors |
10225 | */ |
10226 | |
10227 | /** |
10228 | * gtk_tree_view_get_model: |
10229 | * @tree_view: a `GtkTreeView` |
10230 | * |
10231 | * Returns the model the `GtkTreeView` is based on. Returns %NULL if the |
10232 | * model is unset. |
10233 | * |
10234 | * Returns: (transfer none) (nullable): A `GtkTreeModel` |
10235 | **/ |
10236 | GtkTreeModel * |
10237 | gtk_tree_view_get_model (GtkTreeView *tree_view) |
10238 | { |
10239 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10240 | |
10241 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL); |
10242 | |
10243 | return priv->model; |
10244 | } |
10245 | |
10246 | /** |
10247 | * gtk_tree_view_set_model: |
10248 | * @tree_view: A `GtkTreeView`. |
10249 | * @model: (nullable): The model. |
10250 | * |
10251 | * Sets the model for a `GtkTreeView`. If the @tree_view already has a model |
10252 | * set, it will remove it before setting the new model. If @model is %NULL, |
10253 | * then it will unset the old model. |
10254 | **/ |
10255 | void |
10256 | gtk_tree_view_set_model (GtkTreeView *tree_view, |
10257 | GtkTreeModel *model) |
10258 | { |
10259 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10260 | |
10261 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
10262 | g_return_if_fail (model == NULL || GTK_IS_TREE_MODEL (model)); |
10263 | |
10264 | if (model == priv->model) |
10265 | return; |
10266 | |
10267 | if (priv->scroll_to_path) |
10268 | { |
10269 | gtk_tree_row_reference_free (reference: priv->scroll_to_path); |
10270 | priv->scroll_to_path = NULL; |
10271 | } |
10272 | |
10273 | if (priv->rubber_band_status) |
10274 | gtk_tree_view_stop_rubber_band (tree_view); |
10275 | |
10276 | if (priv->model) |
10277 | { |
10278 | GList *tmplist = priv->columns; |
10279 | |
10280 | gtk_tree_view_unref_and_check_selection_tree (tree_view, tree: priv->tree); |
10281 | gtk_tree_view_stop_editing (tree_view, TRUE); |
10282 | |
10283 | g_signal_handlers_disconnect_by_func (priv->model, |
10284 | gtk_tree_view_row_changed, |
10285 | tree_view); |
10286 | g_signal_handlers_disconnect_by_func (priv->model, |
10287 | gtk_tree_view_row_inserted, |
10288 | tree_view); |
10289 | g_signal_handlers_disconnect_by_func (priv->model, |
10290 | gtk_tree_view_row_has_child_toggled, |
10291 | tree_view); |
10292 | g_signal_handlers_disconnect_by_func (priv->model, |
10293 | gtk_tree_view_row_deleted, |
10294 | tree_view); |
10295 | g_signal_handlers_disconnect_by_func (priv->model, |
10296 | gtk_tree_view_rows_reordered, |
10297 | tree_view); |
10298 | |
10299 | for (; tmplist; tmplist = tmplist->next) |
10300 | _gtk_tree_view_column_unset_model (column: tmplist->data, |
10301 | old_model: priv->model); |
10302 | |
10303 | if (priv->tree) |
10304 | gtk_tree_view_free_rbtree (tree_view); |
10305 | |
10306 | gtk_tree_row_reference_free (reference: priv->drag_dest_row); |
10307 | priv->drag_dest_row = NULL; |
10308 | gtk_tree_row_reference_free (reference: priv->anchor); |
10309 | priv->anchor = NULL; |
10310 | gtk_tree_row_reference_free (reference: priv->top_row); |
10311 | priv->top_row = NULL; |
10312 | gtk_tree_row_reference_free (reference: priv->scroll_to_path); |
10313 | priv->scroll_to_path = NULL; |
10314 | |
10315 | priv->scroll_to_column = NULL; |
10316 | |
10317 | g_object_unref (object: priv->model); |
10318 | |
10319 | priv->search_column = -1; |
10320 | priv->fixed_height_check = 0; |
10321 | priv->fixed_height = -1; |
10322 | priv->dy = priv->top_row_dy = 0; |
10323 | } |
10324 | |
10325 | priv->model = model; |
10326 | |
10327 | if (priv->model) |
10328 | { |
10329 | int i; |
10330 | GtkTreePath *path; |
10331 | GtkTreeIter iter; |
10332 | GtkTreeModelFlags flags; |
10333 | |
10334 | if (priv->search_column == -1) |
10335 | { |
10336 | for (i = 0; i < gtk_tree_model_get_n_columns (tree_model: model); i++) |
10337 | { |
10338 | GType type = gtk_tree_model_get_column_type (tree_model: model, index_: i); |
10339 | |
10340 | if (g_value_type_transformable (src_type: type, G_TYPE_STRING)) |
10341 | { |
10342 | priv->search_column = i; |
10343 | break; |
10344 | } |
10345 | } |
10346 | } |
10347 | |
10348 | g_object_ref (priv->model); |
10349 | g_signal_connect (priv->model, |
10350 | "row-changed" , |
10351 | G_CALLBACK (gtk_tree_view_row_changed), |
10352 | tree_view); |
10353 | g_signal_connect (priv->model, |
10354 | "row-inserted" , |
10355 | G_CALLBACK (gtk_tree_view_row_inserted), |
10356 | tree_view); |
10357 | g_signal_connect (priv->model, |
10358 | "row-has-child-toggled" , |
10359 | G_CALLBACK (gtk_tree_view_row_has_child_toggled), |
10360 | tree_view); |
10361 | g_signal_connect (priv->model, |
10362 | "row-deleted" , |
10363 | G_CALLBACK (gtk_tree_view_row_deleted), |
10364 | tree_view); |
10365 | g_signal_connect (priv->model, |
10366 | "rows-reordered" , |
10367 | G_CALLBACK (gtk_tree_view_rows_reordered), |
10368 | tree_view); |
10369 | |
10370 | flags = gtk_tree_model_get_flags (tree_model: priv->model); |
10371 | if ((flags & GTK_TREE_MODEL_LIST_ONLY) == GTK_TREE_MODEL_LIST_ONLY) |
10372 | priv->is_list = TRUE; |
10373 | else |
10374 | priv->is_list = FALSE; |
10375 | |
10376 | path = gtk_tree_path_new_first (); |
10377 | if (gtk_tree_model_get_iter (tree_model: priv->model, iter: &iter, path)) |
10378 | { |
10379 | priv->tree = gtk_tree_rbtree_new (); |
10380 | gtk_tree_view_build_tree (tree_view, tree: priv->tree, iter: &iter, depth: 1, FALSE); |
10381 | } |
10382 | gtk_tree_path_free (path); |
10383 | |
10384 | /* FIXME: do I need to do this? gtk_tree_view_create_buttons (tree_view); */ |
10385 | install_presize_handler (tree_view); |
10386 | } |
10387 | |
10388 | gtk_tree_view_real_set_cursor (tree_view, NULL, flags: CURSOR_INVALID); |
10389 | |
10390 | g_object_notify_by_pspec (G_OBJECT (tree_view), pspec: tree_view_props[PROP_MODEL]); |
10391 | |
10392 | if (priv->selection) |
10393 | _gtk_tree_selection_emit_changed (selection: priv->selection); |
10394 | |
10395 | if (gtk_widget_get_realized (GTK_WIDGET (tree_view))) |
10396 | gtk_widget_queue_resize (GTK_WIDGET (tree_view)); |
10397 | } |
10398 | |
10399 | /** |
10400 | * gtk_tree_view_get_selection: |
10401 | * @tree_view: A `GtkTreeView`. |
10402 | * |
10403 | * Gets the `GtkTreeSelection` associated with @tree_view. |
10404 | * |
10405 | * Returns: (transfer none): A `GtkTreeSelection` object. |
10406 | **/ |
10407 | GtkTreeSelection * |
10408 | gtk_tree_view_get_selection (GtkTreeView *tree_view) |
10409 | { |
10410 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10411 | |
10412 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL); |
10413 | |
10414 | return priv->selection; |
10415 | } |
10416 | |
10417 | static void |
10418 | gtk_tree_view_do_set_hadjustment (GtkTreeView *tree_view, |
10419 | GtkAdjustment *adjustment) |
10420 | { |
10421 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10422 | |
10423 | if (adjustment && priv->hadjustment == adjustment) |
10424 | return; |
10425 | |
10426 | if (priv->hadjustment != NULL) |
10427 | { |
10428 | g_signal_handlers_disconnect_by_func (priv->hadjustment, |
10429 | gtk_tree_view_adjustment_changed, |
10430 | tree_view); |
10431 | g_object_unref (object: priv->hadjustment); |
10432 | } |
10433 | |
10434 | if (adjustment == NULL) |
10435 | adjustment = gtk_adjustment_new (value: 0.0, lower: 0.0, upper: 0.0, |
10436 | step_increment: 0.0, page_increment: 0.0, page_size: 0.0); |
10437 | |
10438 | g_signal_connect (adjustment, "value-changed" , |
10439 | G_CALLBACK (gtk_tree_view_adjustment_changed), tree_view); |
10440 | priv->hadjustment = g_object_ref_sink (adjustment); |
10441 | /* FIXME: Adjustment should probably be populated here with fresh values, but |
10442 | * internal details are too complicated for me to decipher right now. |
10443 | */ |
10444 | gtk_tree_view_adjustment_changed (NULL, tree_view); |
10445 | |
10446 | g_object_notify (G_OBJECT (tree_view), property_name: "hadjustment" ); |
10447 | } |
10448 | |
10449 | static void |
10450 | gtk_tree_view_do_set_vadjustment (GtkTreeView *tree_view, |
10451 | GtkAdjustment *adjustment) |
10452 | { |
10453 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10454 | |
10455 | if (adjustment && priv->vadjustment == adjustment) |
10456 | return; |
10457 | |
10458 | if (priv->vadjustment != NULL) |
10459 | { |
10460 | g_signal_handlers_disconnect_by_func (priv->vadjustment, |
10461 | gtk_tree_view_adjustment_changed, |
10462 | tree_view); |
10463 | g_object_unref (object: priv->vadjustment); |
10464 | } |
10465 | |
10466 | if (adjustment == NULL) |
10467 | adjustment = gtk_adjustment_new (value: 0.0, lower: 0.0, upper: 0.0, |
10468 | step_increment: 0.0, page_increment: 0.0, page_size: 0.0); |
10469 | |
10470 | g_signal_connect (adjustment, "value-changed" , |
10471 | G_CALLBACK (gtk_tree_view_adjustment_changed), tree_view); |
10472 | priv->vadjustment = g_object_ref_sink (adjustment); |
10473 | /* FIXME: Adjustment should probably be populated here with fresh values, but |
10474 | * internal details are too complicated for me to decipher right now. |
10475 | */ |
10476 | gtk_tree_view_adjustment_changed (NULL, tree_view); |
10477 | g_object_notify (G_OBJECT (tree_view), property_name: "vadjustment" ); |
10478 | } |
10479 | |
10480 | /* Column and header operations */ |
10481 | |
10482 | /** |
10483 | * gtk_tree_view_get_headers_visible: |
10484 | * @tree_view: A `GtkTreeView`. |
10485 | * |
10486 | * Returns %TRUE if the headers on the @tree_view are visible. |
10487 | * |
10488 | * Returns: Whether the headers are visible or not. |
10489 | **/ |
10490 | gboolean |
10491 | (GtkTreeView *tree_view) |
10492 | { |
10493 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10494 | |
10495 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); |
10496 | |
10497 | return priv->headers_visible; |
10498 | } |
10499 | |
10500 | /** |
10501 | * gtk_tree_view_set_headers_visible: |
10502 | * @tree_view: A `GtkTreeView`. |
10503 | * @headers_visible: %TRUE if the headers are visible |
10504 | * |
10505 | * Sets the visibility state of the headers. |
10506 | **/ |
10507 | void |
10508 | (GtkTreeView *tree_view, |
10509 | gboolean ) |
10510 | { |
10511 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10512 | GList *list; |
10513 | GtkTreeViewColumn *column; |
10514 | GtkWidget *button; |
10515 | |
10516 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
10517 | |
10518 | headers_visible = !! headers_visible; |
10519 | |
10520 | if (priv->headers_visible == headers_visible) |
10521 | return; |
10522 | |
10523 | priv->headers_visible = headers_visible == TRUE; |
10524 | |
10525 | if (gtk_widget_get_realized (GTK_WIDGET (tree_view))) |
10526 | { |
10527 | if (headers_visible) |
10528 | { |
10529 | if (gtk_widget_get_mapped (GTK_WIDGET (tree_view))) |
10530 | gtk_tree_view_map_buttons (tree_view); |
10531 | } |
10532 | else |
10533 | { |
10534 | |
10535 | for (list = priv->columns; list; list = list->next) |
10536 | { |
10537 | column = list->data; |
10538 | button = gtk_tree_view_column_get_button (tree_column: column); |
10539 | |
10540 | gtk_widget_hide (widget: button); |
10541 | gtk_widget_unmap (widget: button); |
10542 | } |
10543 | } |
10544 | } |
10545 | |
10546 | gtk_widget_queue_resize (GTK_WIDGET (tree_view)); |
10547 | |
10548 | g_object_notify_by_pspec (G_OBJECT (tree_view), pspec: tree_view_props[PROP_HEADERS_VISIBLE]); |
10549 | } |
10550 | |
10551 | /** |
10552 | * gtk_tree_view_columns_autosize: |
10553 | * @tree_view: A `GtkTreeView`. |
10554 | * |
10555 | * Resizes all columns to their optimal width. Only works after the |
10556 | * treeview has been realized. |
10557 | **/ |
10558 | void |
10559 | gtk_tree_view_columns_autosize (GtkTreeView *tree_view) |
10560 | { |
10561 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10562 | gboolean dirty = FALSE; |
10563 | GList *list; |
10564 | GtkTreeViewColumn *column; |
10565 | |
10566 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
10567 | |
10568 | for (list = priv->columns; list; list = list->next) |
10569 | { |
10570 | column = list->data; |
10571 | if (gtk_tree_view_column_get_sizing (tree_column: column) == GTK_TREE_VIEW_COLUMN_AUTOSIZE) |
10572 | continue; |
10573 | _gtk_tree_view_column_cell_set_dirty (tree_column: column, TRUE); |
10574 | dirty = TRUE; |
10575 | } |
10576 | |
10577 | if (dirty) |
10578 | gtk_widget_queue_resize (GTK_WIDGET (tree_view)); |
10579 | } |
10580 | |
10581 | /** |
10582 | * gtk_tree_view_set_headers_clickable: |
10583 | * @tree_view: A `GtkTreeView`. |
10584 | * @setting: %TRUE if the columns are clickable. |
10585 | * |
10586 | * Allow the column title buttons to be clicked. |
10587 | **/ |
10588 | void |
10589 | (GtkTreeView *tree_view, |
10590 | gboolean setting) |
10591 | { |
10592 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10593 | GList *list; |
10594 | gboolean changed = FALSE; |
10595 | |
10596 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
10597 | |
10598 | for (list = priv->columns; list; list = list->next) |
10599 | { |
10600 | if (gtk_tree_view_column_get_clickable (GTK_TREE_VIEW_COLUMN (list->data)) != setting) |
10601 | { |
10602 | gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (list->data), clickable: setting); |
10603 | changed = TRUE; |
10604 | } |
10605 | } |
10606 | |
10607 | if (changed) |
10608 | g_object_notify_by_pspec (G_OBJECT (tree_view), pspec: tree_view_props[PROP_HEADERS_CLICKABLE]); |
10609 | } |
10610 | |
10611 | |
10612 | /** |
10613 | * gtk_tree_view_get_headers_clickable: |
10614 | * @tree_view: A `GtkTreeView`. |
10615 | * |
10616 | * Returns whether all header columns are clickable. |
10617 | * |
10618 | * Returns: %TRUE if all header columns are clickable, otherwise %FALSE |
10619 | **/ |
10620 | gboolean |
10621 | (GtkTreeView *tree_view) |
10622 | { |
10623 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10624 | GList *list; |
10625 | |
10626 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); |
10627 | |
10628 | for (list = priv->columns; list; list = list->next) |
10629 | if (!gtk_tree_view_column_get_clickable (GTK_TREE_VIEW_COLUMN (list->data))) |
10630 | return FALSE; |
10631 | |
10632 | return TRUE; |
10633 | } |
10634 | |
10635 | /** |
10636 | * gtk_tree_view_set_activate_on_single_click: |
10637 | * @tree_view: a `GtkTreeView` |
10638 | * @single: %TRUE to emit row-activated on a single click |
10639 | * |
10640 | * Cause the `GtkTreeView`::row-activated signal to be emitted |
10641 | * on a single click instead of a double click. |
10642 | **/ |
10643 | void |
10644 | gtk_tree_view_set_activate_on_single_click (GtkTreeView *tree_view, |
10645 | gboolean single) |
10646 | { |
10647 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10648 | |
10649 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
10650 | |
10651 | single = single != FALSE; |
10652 | |
10653 | if (priv->activate_on_single_click == single) |
10654 | return; |
10655 | |
10656 | priv->activate_on_single_click = single; |
10657 | g_object_notify_by_pspec (G_OBJECT (tree_view), pspec: tree_view_props[PROP_ACTIVATE_ON_SINGLE_CLICK]); |
10658 | } |
10659 | |
10660 | /** |
10661 | * gtk_tree_view_get_activate_on_single_click: |
10662 | * @tree_view: a `GtkTreeView` |
10663 | * |
10664 | * Gets the setting set by gtk_tree_view_set_activate_on_single_click(). |
10665 | * |
10666 | * Returns: %TRUE if row-activated will be emitted on a single click |
10667 | **/ |
10668 | gboolean |
10669 | gtk_tree_view_get_activate_on_single_click (GtkTreeView *tree_view) |
10670 | { |
10671 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10672 | |
10673 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); |
10674 | |
10675 | return priv->activate_on_single_click; |
10676 | } |
10677 | |
10678 | /* Public Column functions |
10679 | */ |
10680 | |
10681 | /** |
10682 | * gtk_tree_view_append_column: |
10683 | * @tree_view: A `GtkTreeView`. |
10684 | * @column: The `GtkTreeViewColumn` to add. |
10685 | * |
10686 | * Appends @column to the list of columns. If @tree_view has “fixed_height” |
10687 | * mode enabled, then @column must have its “sizing” property set to be |
10688 | * GTK_TREE_VIEW_COLUMN_FIXED. |
10689 | * |
10690 | * Returns: The number of columns in @tree_view after appending. |
10691 | **/ |
10692 | int |
10693 | gtk_tree_view_append_column (GtkTreeView *tree_view, |
10694 | GtkTreeViewColumn *column) |
10695 | { |
10696 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1); |
10697 | g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (column), -1); |
10698 | g_return_val_if_fail (gtk_tree_view_column_get_tree_view (column) == NULL, -1); |
10699 | |
10700 | return gtk_tree_view_insert_column (tree_view, column, position: -1); |
10701 | } |
10702 | |
10703 | /** |
10704 | * gtk_tree_view_remove_column: |
10705 | * @tree_view: A `GtkTreeView`. |
10706 | * @column: The `GtkTreeViewColumn` to remove. |
10707 | * |
10708 | * Removes @column from @tree_view. |
10709 | * |
10710 | * Returns: The number of columns in @tree_view after removing. |
10711 | **/ |
10712 | int |
10713 | gtk_tree_view_remove_column (GtkTreeView *tree_view, |
10714 | GtkTreeViewColumn *column) |
10715 | { |
10716 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10717 | |
10718 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1); |
10719 | g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (column), -1); |
10720 | g_return_val_if_fail (gtk_tree_view_column_get_tree_view (column) == GTK_WIDGET (tree_view), -1); |
10721 | |
10722 | if (priv->focus_column == column) |
10723 | _gtk_tree_view_set_focus_column (tree_view, NULL); |
10724 | |
10725 | if (priv->edited_column == column) |
10726 | { |
10727 | gtk_tree_view_stop_editing (tree_view, TRUE); |
10728 | |
10729 | /* no need to, but just to be sure ... */ |
10730 | priv->edited_column = NULL; |
10731 | } |
10732 | |
10733 | if (priv->expander_column == column) |
10734 | priv->expander_column = NULL; |
10735 | |
10736 | g_signal_handlers_disconnect_by_func (column, |
10737 | G_CALLBACK (column_sizing_notify), |
10738 | tree_view); |
10739 | |
10740 | _gtk_tree_view_column_unset_tree_view (column); |
10741 | |
10742 | priv->columns = g_list_remove (list: priv->columns, data: column); |
10743 | priv->n_columns--; |
10744 | |
10745 | if (gtk_widget_get_realized (GTK_WIDGET (tree_view))) |
10746 | { |
10747 | GList *list; |
10748 | |
10749 | for (list = priv->columns; list; list = list->next) |
10750 | { |
10751 | GtkTreeViewColumn *tmp_column; |
10752 | |
10753 | tmp_column = GTK_TREE_VIEW_COLUMN (list->data); |
10754 | if (gtk_tree_view_column_get_visible (tree_column: tmp_column)) |
10755 | _gtk_tree_view_column_cell_set_dirty (tree_column: tmp_column, TRUE); |
10756 | } |
10757 | |
10758 | gtk_widget_queue_resize (GTK_WIDGET (tree_view)); |
10759 | } |
10760 | |
10761 | g_object_unref (object: column); |
10762 | g_signal_emit (instance: tree_view, signal_id: tree_view_signals[COLUMNS_CHANGED], detail: 0); |
10763 | |
10764 | return priv->n_columns; |
10765 | } |
10766 | |
10767 | /** |
10768 | * gtk_tree_view_insert_column: |
10769 | * @tree_view: A `GtkTreeView`. |
10770 | * @column: The `GtkTreeViewColumn` to be inserted. |
10771 | * @position: The position to insert @column in. |
10772 | * |
10773 | * This inserts the @column into the @tree_view at @position. If @position is |
10774 | * -1, then the column is inserted at the end. If @tree_view has |
10775 | * “fixed_height” mode enabled, then @column must have its “sizing” property |
10776 | * set to be GTK_TREE_VIEW_COLUMN_FIXED. |
10777 | * |
10778 | * Returns: The number of columns in @tree_view after insertion. |
10779 | **/ |
10780 | int |
10781 | gtk_tree_view_insert_column (GtkTreeView *tree_view, |
10782 | GtkTreeViewColumn *column, |
10783 | int position) |
10784 | { |
10785 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10786 | |
10787 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1); |
10788 | g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (column), -1); |
10789 | g_return_val_if_fail (gtk_tree_view_column_get_tree_view (column) == NULL, -1); |
10790 | |
10791 | if (priv->fixed_height_mode) |
10792 | g_return_val_if_fail (gtk_tree_view_column_get_sizing (column) |
10793 | == GTK_TREE_VIEW_COLUMN_FIXED, -1); |
10794 | |
10795 | if (position < 0 || position > priv->n_columns) |
10796 | position = priv->n_columns; |
10797 | |
10798 | g_object_ref_sink (column); |
10799 | |
10800 | g_signal_connect (column, "notify::sizing" , |
10801 | G_CALLBACK (column_sizing_notify), tree_view); |
10802 | |
10803 | priv->columns = g_list_insert (list: priv->columns, |
10804 | data: column, position); |
10805 | priv->n_columns++; |
10806 | |
10807 | _gtk_tree_view_column_set_tree_view (column, tree_view); |
10808 | |
10809 | /* XXX: We need to reparent the node into the header, somebody make that a real widget */ |
10810 | gtk_css_node_set_parent (cssnode: gtk_widget_get_css_node (widget: gtk_tree_view_column_get_button (tree_column: column)), NULL); |
10811 | gtk_tree_view_update_button_position (tree_view, column); |
10812 | |
10813 | if (gtk_widget_get_realized (GTK_WIDGET (tree_view))) |
10814 | { |
10815 | GList *list; |
10816 | |
10817 | _gtk_tree_view_column_realize_button (column); |
10818 | |
10819 | for (list = priv->columns; list; list = list->next) |
10820 | { |
10821 | column = GTK_TREE_VIEW_COLUMN (list->data); |
10822 | if (gtk_tree_view_column_get_visible (tree_column: column)) |
10823 | _gtk_tree_view_column_cell_set_dirty (tree_column: column, TRUE); |
10824 | } |
10825 | gtk_widget_queue_resize (GTK_WIDGET (tree_view)); |
10826 | } |
10827 | |
10828 | g_signal_emit (instance: tree_view, signal_id: tree_view_signals[COLUMNS_CHANGED], detail: 0); |
10829 | |
10830 | return priv->n_columns; |
10831 | } |
10832 | |
10833 | /** |
10834 | * gtk_tree_view_insert_column_with_attributes: |
10835 | * @tree_view: A `GtkTreeView` |
10836 | * @position: The position to insert the new column in |
10837 | * @title: The title to set the header to |
10838 | * @cell: The `GtkCellRenderer` |
10839 | * @...: A %NULL-terminated list of attributes |
10840 | * |
10841 | * Creates a new `GtkTreeViewColumn` and inserts it into the @tree_view at |
10842 | * @position. If @position is -1, then the newly created column is inserted at |
10843 | * the end. The column is initialized with the attributes given. If @tree_view |
10844 | * has “fixed_height” mode enabled, then the new column will have its sizing |
10845 | * property set to be GTK_TREE_VIEW_COLUMN_FIXED. |
10846 | * |
10847 | * Returns: The number of columns in @tree_view after insertion. |
10848 | **/ |
10849 | int |
10850 | gtk_tree_view_insert_column_with_attributes (GtkTreeView *tree_view, |
10851 | int position, |
10852 | const char *title, |
10853 | GtkCellRenderer *cell, |
10854 | ...) |
10855 | { |
10856 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10857 | GtkTreeViewColumn *column; |
10858 | char *attribute; |
10859 | va_list args; |
10860 | int column_id; |
10861 | |
10862 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1); |
10863 | |
10864 | column = gtk_tree_view_column_new (); |
10865 | if (priv->fixed_height_mode) |
10866 | gtk_tree_view_column_set_sizing (tree_column: column, type: GTK_TREE_VIEW_COLUMN_FIXED); |
10867 | |
10868 | gtk_tree_view_column_set_title (tree_column: column, title); |
10869 | gtk_tree_view_column_pack_start (tree_column: column, cell, TRUE); |
10870 | |
10871 | va_start (args, cell); |
10872 | |
10873 | attribute = va_arg (args, char *); |
10874 | |
10875 | while (attribute != NULL) |
10876 | { |
10877 | column_id = va_arg (args, int); |
10878 | gtk_tree_view_column_add_attribute (tree_column: column, cell_renderer: cell, attribute, column: column_id); |
10879 | attribute = va_arg (args, char *); |
10880 | } |
10881 | |
10882 | va_end (args); |
10883 | |
10884 | return gtk_tree_view_insert_column (tree_view, column, position); |
10885 | } |
10886 | |
10887 | /** |
10888 | * gtk_tree_view_insert_column_with_data_func: |
10889 | * @tree_view: a `GtkTreeView` |
10890 | * @position: Position to insert, -1 for append |
10891 | * @title: column title |
10892 | * @cell: cell renderer for column |
10893 | * @func: function to set attributes of cell renderer |
10894 | * @data: data for @func |
10895 | * @dnotify: destroy notifier for @data |
10896 | * |
10897 | * Convenience function that inserts a new column into the `GtkTreeView` |
10898 | * with the given cell renderer and a `GtkTreeCellDataFunc` to set cell renderer |
10899 | * attributes (normally using data from the model). See also |
10900 | * gtk_tree_view_column_set_cell_data_func(), gtk_tree_view_column_pack_start(). |
10901 | * If @tree_view has “fixed_height” mode enabled, then the new column will have its |
10902 | * “sizing” property set to be GTK_TREE_VIEW_COLUMN_FIXED. |
10903 | * |
10904 | * Returns: number of columns in the tree view post-insert |
10905 | **/ |
10906 | int |
10907 | gtk_tree_view_insert_column_with_data_func (GtkTreeView *tree_view, |
10908 | int position, |
10909 | const char *title, |
10910 | GtkCellRenderer *cell, |
10911 | GtkTreeCellDataFunc func, |
10912 | gpointer data, |
10913 | GDestroyNotify dnotify) |
10914 | { |
10915 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10916 | GtkTreeViewColumn *column; |
10917 | |
10918 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1); |
10919 | |
10920 | column = gtk_tree_view_column_new (); |
10921 | if (priv->fixed_height_mode) |
10922 | gtk_tree_view_column_set_sizing (tree_column: column, type: GTK_TREE_VIEW_COLUMN_FIXED); |
10923 | |
10924 | gtk_tree_view_column_set_title (tree_column: column, title); |
10925 | gtk_tree_view_column_pack_start (tree_column: column, cell, TRUE); |
10926 | gtk_tree_view_column_set_cell_data_func (tree_column: column, cell_renderer: cell, func, func_data: data, destroy: dnotify); |
10927 | |
10928 | return gtk_tree_view_insert_column (tree_view, column, position); |
10929 | } |
10930 | |
10931 | /** |
10932 | * gtk_tree_view_get_n_columns: |
10933 | * @tree_view: a `GtkTreeView` |
10934 | * |
10935 | * Queries the number of columns in the given @tree_view. |
10936 | * |
10937 | * Returns: The number of columns in the @tree_view |
10938 | **/ |
10939 | guint |
10940 | gtk_tree_view_get_n_columns (GtkTreeView *tree_view) |
10941 | { |
10942 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10943 | |
10944 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), 0); |
10945 | |
10946 | return priv->n_columns; |
10947 | } |
10948 | |
10949 | /** |
10950 | * gtk_tree_view_get_column: |
10951 | * @tree_view: A `GtkTreeView`. |
10952 | * @n: The position of the column, counting from 0. |
10953 | * |
10954 | * Gets the `GtkTreeViewColumn` at the given position in the #tree_view. |
10955 | * |
10956 | * Returns: (nullable) (transfer none): The `GtkTreeViewColumn`, or %NULL if the |
10957 | * position is outside the range of columns. |
10958 | **/ |
10959 | GtkTreeViewColumn * |
10960 | gtk_tree_view_get_column (GtkTreeView *tree_view, |
10961 | int n) |
10962 | { |
10963 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10964 | |
10965 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL); |
10966 | |
10967 | if (n < 0 || n >= priv->n_columns) |
10968 | return NULL; |
10969 | |
10970 | if (priv->columns == NULL) |
10971 | return NULL; |
10972 | |
10973 | return GTK_TREE_VIEW_COLUMN (g_list_nth (priv->columns, n)->data); |
10974 | } |
10975 | |
10976 | /** |
10977 | * gtk_tree_view_get_columns: |
10978 | * @tree_view: A `GtkTreeView` |
10979 | * |
10980 | * Returns a `GList` of all the `GtkTreeViewColumn`s currently in @tree_view. |
10981 | * The returned list must be freed with g_list_free (). |
10982 | * |
10983 | * Returns: (element-type GtkTreeViewColumn) (transfer container): A list of `GtkTreeViewColumn`s |
10984 | **/ |
10985 | GList * |
10986 | gtk_tree_view_get_columns (GtkTreeView *tree_view) |
10987 | { |
10988 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
10989 | |
10990 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL); |
10991 | |
10992 | return g_list_copy (list: priv->columns); |
10993 | } |
10994 | |
10995 | /** |
10996 | * gtk_tree_view_move_column_after: |
10997 | * @tree_view: A `GtkTreeView` |
10998 | * @column: The `GtkTreeViewColumn` to be moved. |
10999 | * @base_column: (nullable): The `GtkTreeViewColumn` to be moved relative to |
11000 | * |
11001 | * Moves @column to be after to @base_column. If @base_column is %NULL, then |
11002 | * @column is placed in the first position. |
11003 | **/ |
11004 | void |
11005 | gtk_tree_view_move_column_after (GtkTreeView *tree_view, |
11006 | GtkTreeViewColumn *column, |
11007 | GtkTreeViewColumn *base_column) |
11008 | { |
11009 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
11010 | GList *column_list_el, *base_el = NULL; |
11011 | |
11012 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
11013 | |
11014 | column_list_el = g_list_find (list: priv->columns, data: column); |
11015 | g_return_if_fail (column_list_el != NULL); |
11016 | |
11017 | if (base_column) |
11018 | { |
11019 | base_el = g_list_find (list: priv->columns, data: base_column); |
11020 | g_return_if_fail (base_el != NULL); |
11021 | } |
11022 | |
11023 | if (column_list_el->prev == base_el) |
11024 | return; |
11025 | |
11026 | priv->columns = g_list_remove_link (list: priv->columns, llink: column_list_el); |
11027 | if (base_el == NULL) |
11028 | { |
11029 | column_list_el->prev = NULL; |
11030 | column_list_el->next = priv->columns; |
11031 | if (column_list_el->next) |
11032 | column_list_el->next->prev = column_list_el; |
11033 | priv->columns = column_list_el; |
11034 | } |
11035 | else |
11036 | { |
11037 | column_list_el->prev = base_el; |
11038 | column_list_el->next = base_el->next; |
11039 | if (column_list_el->next) |
11040 | column_list_el->next->prev = column_list_el; |
11041 | base_el->next = column_list_el; |
11042 | } |
11043 | |
11044 | gtk_tree_view_update_button_position (tree_view, column); |
11045 | |
11046 | gtk_widget_queue_resize (GTK_WIDGET (tree_view)); |
11047 | |
11048 | g_signal_emit (instance: tree_view, signal_id: tree_view_signals[COLUMNS_CHANGED], detail: 0); |
11049 | } |
11050 | |
11051 | /** |
11052 | * gtk_tree_view_set_expander_column: |
11053 | * @tree_view: A `GtkTreeView` |
11054 | * @column: (nullable): %NULL, or the column to draw the expander arrow at. |
11055 | * |
11056 | * Sets the column to draw the expander arrow at. It must be in @tree_view. |
11057 | * If @column is %NULL, then the expander arrow is always at the first |
11058 | * visible column. |
11059 | * |
11060 | * If you do not want expander arrow to appear in your tree, set the |
11061 | * expander column to a hidden column. |
11062 | **/ |
11063 | void |
11064 | gtk_tree_view_set_expander_column (GtkTreeView *tree_view, |
11065 | GtkTreeViewColumn *column) |
11066 | { |
11067 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
11068 | |
11069 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
11070 | g_return_if_fail (column == NULL || GTK_IS_TREE_VIEW_COLUMN (column)); |
11071 | g_return_if_fail (column == NULL || gtk_tree_view_column_get_tree_view (column) == GTK_WIDGET (tree_view)); |
11072 | |
11073 | if (priv->expander_column != column) |
11074 | { |
11075 | priv->expander_column = column; |
11076 | g_object_notify_by_pspec (G_OBJECT (tree_view), pspec: tree_view_props[PROP_EXPANDER_COLUMN]); |
11077 | } |
11078 | } |
11079 | |
11080 | /** |
11081 | * gtk_tree_view_get_expander_column: |
11082 | * @tree_view: A `GtkTreeView` |
11083 | * |
11084 | * Returns the column that is the current expander column, |
11085 | * or %NULL if none has been set. |
11086 | * This column has the expander arrow drawn next to it. |
11087 | * |
11088 | * Returns: (transfer none) (nullable): The expander column. |
11089 | **/ |
11090 | GtkTreeViewColumn * |
11091 | gtk_tree_view_get_expander_column (GtkTreeView *tree_view) |
11092 | { |
11093 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
11094 | GList *list; |
11095 | |
11096 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL); |
11097 | |
11098 | for (list = priv->columns; list; list = list->next) |
11099 | if (gtk_tree_view_is_expander_column (tree_view, GTK_TREE_VIEW_COLUMN (list->data))) |
11100 | return (GtkTreeViewColumn *) list->data; |
11101 | return NULL; |
11102 | } |
11103 | |
11104 | |
11105 | /** |
11106 | * gtk_tree_view_set_column_drag_function: |
11107 | * @tree_view: A `GtkTreeView`. |
11108 | * @func: (nullable): A function to determine which columns are reorderable |
11109 | * @user_data: (closure): User data to be passed to @func |
11110 | * @destroy: (nullable): Destroy notifier for @user_data |
11111 | * |
11112 | * Sets a user function for determining where a column may be dropped when |
11113 | * dragged. This function is called on every column pair in turn at the |
11114 | * beginning of a column drag to determine where a drop can take place. The |
11115 | * arguments passed to @func are: the @tree_view, the `GtkTreeViewColumn` being |
11116 | * dragged, the two `GtkTreeViewColumn`s determining the drop spot, and |
11117 | * @user_data. If either of the `GtkTreeViewColumn` arguments for the drop spot |
11118 | * are %NULL, then they indicate an edge. If @func is set to be %NULL, then |
11119 | * @tree_view reverts to the default behavior of allowing all columns to be |
11120 | * dropped everywhere. |
11121 | **/ |
11122 | void |
11123 | gtk_tree_view_set_column_drag_function (GtkTreeView *tree_view, |
11124 | GtkTreeViewColumnDropFunc func, |
11125 | gpointer user_data, |
11126 | GDestroyNotify destroy) |
11127 | { |
11128 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
11129 | |
11130 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
11131 | |
11132 | if (priv->column_drop_func_data_destroy) |
11133 | priv->column_drop_func_data_destroy (priv->column_drop_func_data); |
11134 | |
11135 | priv->column_drop_func = func; |
11136 | priv->column_drop_func_data = user_data; |
11137 | priv->column_drop_func_data_destroy = destroy; |
11138 | } |
11139 | |
11140 | /** |
11141 | * gtk_tree_view_scroll_to_point: |
11142 | * @tree_view: a `GtkTreeView` |
11143 | * @tree_x: X coordinate of new top-left pixel of visible area, or -1 |
11144 | * @tree_y: Y coordinate of new top-left pixel of visible area, or -1 |
11145 | * |
11146 | * Scrolls the tree view such that the top-left corner of the visible |
11147 | * area is @tree_x, @tree_y, where @tree_x and @tree_y are specified |
11148 | * in tree coordinates. The @tree_view must be realized before |
11149 | * this function is called. If it isn't, you probably want to be |
11150 | * using gtk_tree_view_scroll_to_cell(). |
11151 | * |
11152 | * If either @tree_x or @tree_y are -1, then that direction isn’t scrolled. |
11153 | **/ |
11154 | void |
11155 | gtk_tree_view_scroll_to_point (GtkTreeView *tree_view, |
11156 | int tree_x, |
11157 | int tree_y) |
11158 | { |
11159 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
11160 | GtkAdjustment *hadj; |
11161 | GtkAdjustment *vadj; |
11162 | |
11163 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
11164 | g_return_if_fail (gtk_widget_get_realized (GTK_WIDGET (tree_view))); |
11165 | |
11166 | hadj = priv->hadjustment; |
11167 | vadj = priv->vadjustment; |
11168 | |
11169 | if (tree_x != -1) |
11170 | gtk_adjustment_animate_to_value (adjustment: hadj, value: tree_x); |
11171 | if (tree_y != -1) |
11172 | gtk_adjustment_animate_to_value (adjustment: vadj, value: tree_y); |
11173 | } |
11174 | |
11175 | /** |
11176 | * gtk_tree_view_scroll_to_cell: |
11177 | * @tree_view: A `GtkTreeView`. |
11178 | * @path: (nullable): The path of the row to move to |
11179 | * @column: (nullable): The `GtkTreeViewColumn` to move horizontally to |
11180 | * @use_align: whether to use alignment arguments, or %FALSE. |
11181 | * @row_align: The vertical alignment of the row specified by @path. |
11182 | * @col_align: The horizontal alignment of the column specified by @column. |
11183 | * |
11184 | * Moves the alignments of @tree_view to the position specified by @column and |
11185 | * @path. If @column is %NULL, then no horizontal scrolling occurs. Likewise, |
11186 | * if @path is %NULL no vertical scrolling occurs. At a minimum, one of @column |
11187 | * or @path need to be non-%NULL. @row_align determines where the row is |
11188 | * placed, and @col_align determines where @column is placed. Both are expected |
11189 | * to be between 0.0 and 1.0. 0.0 means left/top alignment, 1.0 means |
11190 | * right/bottom alignment, 0.5 means center. |
11191 | * |
11192 | * If @use_align is %FALSE, then the alignment arguments are ignored, and the |
11193 | * tree does the minimum amount of work to scroll the cell onto the screen. |
11194 | * This means that the cell will be scrolled to the edge closest to its current |
11195 | * position. If the cell is currently visible on the screen, nothing is done. |
11196 | * |
11197 | * This function only works if the model is set, and @path is a valid row on the |
11198 | * model. If the model changes before the @tree_view is realized, the centered |
11199 | * path will be modified to reflect this change. |
11200 | **/ |
11201 | void |
11202 | gtk_tree_view_scroll_to_cell (GtkTreeView *tree_view, |
11203 | GtkTreePath *path, |
11204 | GtkTreeViewColumn *column, |
11205 | gboolean use_align, |
11206 | float row_align, |
11207 | float col_align) |
11208 | { |
11209 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
11210 | |
11211 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
11212 | g_return_if_fail (priv->model != NULL); |
11213 | g_return_if_fail (priv->tree != NULL); |
11214 | g_return_if_fail (row_align >= 0.0 && row_align <= 1.0); |
11215 | g_return_if_fail (col_align >= 0.0 && col_align <= 1.0); |
11216 | g_return_if_fail (path != NULL || column != NULL); |
11217 | |
11218 | row_align = CLAMP (row_align, 0.0, 1.0); |
11219 | col_align = CLAMP (col_align, 0.0, 1.0); |
11220 | |
11221 | |
11222 | /* Note: Despite the benefits that come from having one code path for the |
11223 | * scrolling code, we short-circuit validate_visible_area's immplementation as |
11224 | * it is much slower than just going to the point. |
11225 | */ |
11226 | if (!gtk_widget_get_visible (GTK_WIDGET (tree_view)) || |
11227 | !gtk_widget_get_realized (GTK_WIDGET (tree_view)) || |
11228 | _gtk_widget_get_alloc_needed (GTK_WIDGET (tree_view)) || |
11229 | GTK_TREE_RBNODE_FLAG_SET (priv->tree->root, GTK_TREE_RBNODE_DESCENDANTS_INVALID)) |
11230 | { |
11231 | if (priv->scroll_to_path) |
11232 | gtk_tree_row_reference_free (reference: priv->scroll_to_path); |
11233 | |
11234 | priv->scroll_to_path = NULL; |
11235 | priv->scroll_to_column = NULL; |
11236 | |
11237 | if (path) |
11238 | priv->scroll_to_path = gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view), model: priv->model, path); |
11239 | if (column) |
11240 | priv->scroll_to_column = column; |
11241 | priv->scroll_to_use_align = use_align; |
11242 | priv->scroll_to_row_align = row_align; |
11243 | priv->scroll_to_col_align = col_align; |
11244 | |
11245 | install_presize_handler (tree_view); |
11246 | } |
11247 | else |
11248 | { |
11249 | GdkRectangle cell_rect; |
11250 | GdkRectangle vis_rect; |
11251 | int dest_x, dest_y; |
11252 | |
11253 | gtk_tree_view_get_background_area (tree_view, path, column, rect: &cell_rect); |
11254 | gtk_tree_view_get_visible_rect (tree_view, visible_rect: &vis_rect); |
11255 | |
11256 | cell_rect.y = TREE_WINDOW_Y_TO_RBTREE_Y (priv, cell_rect.y); |
11257 | |
11258 | dest_x = vis_rect.x; |
11259 | dest_y = vis_rect.y; |
11260 | |
11261 | if (column) |
11262 | { |
11263 | if (use_align) |
11264 | { |
11265 | dest_x = cell_rect.x - ((vis_rect.width - cell_rect.width) * col_align); |
11266 | } |
11267 | else |
11268 | { |
11269 | if (cell_rect.x < vis_rect.x) |
11270 | dest_x = cell_rect.x; |
11271 | if (cell_rect.x + cell_rect.width > vis_rect.x + vis_rect.width) |
11272 | dest_x = cell_rect.x + cell_rect.width - vis_rect.width; |
11273 | } |
11274 | } |
11275 | |
11276 | if (path) |
11277 | { |
11278 | if (use_align) |
11279 | { |
11280 | dest_y = cell_rect.y - ((vis_rect.height - cell_rect.height) * row_align); |
11281 | dest_y = MAX (dest_y, 0); |
11282 | } |
11283 | else |
11284 | { |
11285 | if (cell_rect.y < vis_rect.y) |
11286 | dest_y = cell_rect.y; |
11287 | if (cell_rect.y + cell_rect.height > vis_rect.y + vis_rect.height) |
11288 | dest_y = cell_rect.y + cell_rect.height - vis_rect.height; |
11289 | } |
11290 | } |
11291 | |
11292 | gtk_tree_view_scroll_to_point (tree_view, tree_x: dest_x, tree_y: dest_y); |
11293 | } |
11294 | } |
11295 | |
11296 | /** |
11297 | * gtk_tree_view_row_activated: |
11298 | * @tree_view: A `GtkTreeView` |
11299 | * @path: The `GtkTreePath` to be activated. |
11300 | * @column: (nullable): The `GtkTreeViewColumn` to be activated. |
11301 | * |
11302 | * Activates the cell determined by @path and @column. |
11303 | **/ |
11304 | void |
11305 | gtk_tree_view_row_activated (GtkTreeView *tree_view, |
11306 | GtkTreePath *path, |
11307 | GtkTreeViewColumn *column) |
11308 | { |
11309 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
11310 | |
11311 | g_signal_emit (instance: tree_view, signal_id: tree_view_signals[ROW_ACTIVATED], detail: 0, path, column); |
11312 | } |
11313 | |
11314 | |
11315 | static void |
11316 | gtk_tree_view_expand_all_emission_helper (GtkTreeRBTree *tree, |
11317 | GtkTreeRBNode *node, |
11318 | gpointer data) |
11319 | { |
11320 | GtkTreeView *tree_view = data; |
11321 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
11322 | |
11323 | if ((node->flags & GTK_TREE_RBNODE_IS_PARENT) == GTK_TREE_RBNODE_IS_PARENT && |
11324 | node->children) |
11325 | { |
11326 | GtkTreePath *path; |
11327 | GtkTreeIter iter; |
11328 | |
11329 | path = _gtk_tree_path_new_from_rbtree (tree, node); |
11330 | gtk_tree_model_get_iter (tree_model: priv->model, iter: &iter, path); |
11331 | |
11332 | g_signal_emit (instance: tree_view, signal_id: tree_view_signals[ROW_EXPANDED], detail: 0, &iter, path); |
11333 | |
11334 | gtk_tree_path_free (path); |
11335 | } |
11336 | |
11337 | if (node->children) |
11338 | gtk_tree_rbtree_traverse (tree: node->children, |
11339 | node: node->children->root, |
11340 | order: G_PRE_ORDER, |
11341 | func: gtk_tree_view_expand_all_emission_helper, |
11342 | data: tree_view); |
11343 | } |
11344 | |
11345 | /** |
11346 | * gtk_tree_view_expand_all: |
11347 | * @tree_view: A `GtkTreeView`. |
11348 | * |
11349 | * Recursively expands all nodes in the @tree_view. |
11350 | **/ |
11351 | void |
11352 | gtk_tree_view_expand_all (GtkTreeView *tree_view) |
11353 | { |
11354 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
11355 | GtkTreePath *path; |
11356 | GtkTreeRBTree *tree; |
11357 | GtkTreeRBNode *node; |
11358 | |
11359 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
11360 | |
11361 | if (priv->tree == NULL) |
11362 | return; |
11363 | |
11364 | path = gtk_tree_path_new_first (); |
11365 | _gtk_tree_view_find_node (tree_view, path, tree: &tree, node: &node); |
11366 | |
11367 | while (node) |
11368 | { |
11369 | gtk_tree_view_real_expand_row (tree_view, path, tree, node, TRUE); |
11370 | node = gtk_tree_rbtree_next (tree, node); |
11371 | gtk_tree_path_next (path); |
11372 | } |
11373 | |
11374 | gtk_tree_path_free (path); |
11375 | } |
11376 | |
11377 | /** |
11378 | * gtk_tree_view_collapse_all: |
11379 | * @tree_view: A `GtkTreeView`. |
11380 | * |
11381 | * Recursively collapses all visible, expanded nodes in @tree_view. |
11382 | **/ |
11383 | void |
11384 | gtk_tree_view_collapse_all (GtkTreeView *tree_view) |
11385 | { |
11386 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
11387 | GtkTreeRBTree *tree; |
11388 | GtkTreeRBNode *node; |
11389 | GtkTreePath *path; |
11390 | int *indices; |
11391 | |
11392 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
11393 | |
11394 | if (priv->tree == NULL) |
11395 | return; |
11396 | |
11397 | path = gtk_tree_path_new (); |
11398 | gtk_tree_path_down (path); |
11399 | indices = gtk_tree_path_get_indices (path); |
11400 | |
11401 | tree = priv->tree; |
11402 | node = gtk_tree_rbtree_first (tree); |
11403 | |
11404 | while (node) |
11405 | { |
11406 | if (node->children) |
11407 | gtk_tree_view_real_collapse_row (tree_view, path, tree, node); |
11408 | indices[0]++; |
11409 | node = gtk_tree_rbtree_next (tree, node); |
11410 | } |
11411 | |
11412 | gtk_tree_path_free (path); |
11413 | } |
11414 | |
11415 | /** |
11416 | * gtk_tree_view_expand_to_path: |
11417 | * @tree_view: A `GtkTreeView`. |
11418 | * @path: path to a row. |
11419 | * |
11420 | * Expands the row at @path. This will also expand all parent rows of |
11421 | * @path as necessary. |
11422 | **/ |
11423 | void |
11424 | gtk_tree_view_expand_to_path (GtkTreeView *tree_view, |
11425 | GtkTreePath *path) |
11426 | { |
11427 | int i, depth; |
11428 | int *indices; |
11429 | GtkTreePath *tmp; |
11430 | |
11431 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
11432 | g_return_if_fail (path != NULL); |
11433 | |
11434 | depth = gtk_tree_path_get_depth (path); |
11435 | indices = gtk_tree_path_get_indices (path); |
11436 | |
11437 | tmp = gtk_tree_path_new (); |
11438 | g_return_if_fail (tmp != NULL); |
11439 | |
11440 | for (i = 0; i < depth; i++) |
11441 | { |
11442 | gtk_tree_path_append_index (path: tmp, index_: indices[i]); |
11443 | gtk_tree_view_expand_row (tree_view, path: tmp, FALSE); |
11444 | } |
11445 | |
11446 | gtk_tree_path_free (path: tmp); |
11447 | } |
11448 | |
11449 | /* FIXME the bool return values for expand_row and collapse_row are |
11450 | * not analogous; they should be TRUE if the row had children and |
11451 | * was not already in the requested state. |
11452 | */ |
11453 | |
11454 | |
11455 | static gboolean |
11456 | gtk_tree_view_real_expand_row (GtkTreeView *tree_view, |
11457 | GtkTreePath *path, |
11458 | GtkTreeRBTree *tree, |
11459 | GtkTreeRBNode *node, |
11460 | gboolean open_all) |
11461 | { |
11462 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
11463 | GtkTreeIter iter; |
11464 | GtkTreeIter temp; |
11465 | gboolean expand; |
11466 | |
11467 | remove_auto_expand_timeout (tree_view); |
11468 | |
11469 | if (node->children && !open_all) |
11470 | return FALSE; |
11471 | |
11472 | if (! GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_PARENT)) |
11473 | return FALSE; |
11474 | |
11475 | gtk_tree_model_get_iter (tree_model: priv->model, iter: &iter, path); |
11476 | if (! gtk_tree_model_iter_has_child (tree_model: priv->model, iter: &iter)) |
11477 | return FALSE; |
11478 | |
11479 | |
11480 | if (node->children && open_all) |
11481 | { |
11482 | gboolean retval = FALSE; |
11483 | GtkTreePath *tmp_path = gtk_tree_path_copy (path); |
11484 | |
11485 | gtk_tree_path_append_index (path: tmp_path, index_: 0); |
11486 | tree = node->children; |
11487 | node = gtk_tree_rbtree_first (tree); |
11488 | /* try to expand the children */ |
11489 | do |
11490 | { |
11491 | gboolean t; |
11492 | t = gtk_tree_view_real_expand_row (tree_view, path: tmp_path, tree, node, |
11493 | TRUE); |
11494 | if (t) |
11495 | retval = TRUE; |
11496 | |
11497 | gtk_tree_path_next (path: tmp_path); |
11498 | node = gtk_tree_rbtree_next (tree, node); |
11499 | } |
11500 | while (node != NULL); |
11501 | |
11502 | gtk_tree_path_free (path: tmp_path); |
11503 | |
11504 | return retval; |
11505 | } |
11506 | |
11507 | g_signal_emit (instance: tree_view, signal_id: tree_view_signals[TEST_EXPAND_ROW], detail: 0, &iter, path, &expand); |
11508 | |
11509 | if (!gtk_tree_model_iter_has_child (tree_model: priv->model, iter: &iter)) |
11510 | return FALSE; |
11511 | |
11512 | if (expand) |
11513 | return FALSE; |
11514 | |
11515 | node->children = gtk_tree_rbtree_new (); |
11516 | node->children->parent_tree = tree; |
11517 | node->children->parent_node = node; |
11518 | |
11519 | gtk_tree_model_iter_children (tree_model: priv->model, iter: &temp, parent: &iter); |
11520 | |
11521 | gtk_tree_view_build_tree (tree_view, |
11522 | tree: node->children, |
11523 | iter: &temp, |
11524 | depth: gtk_tree_path_get_depth (path) + 1, |
11525 | recurse: open_all); |
11526 | |
11527 | install_presize_handler (tree_view); |
11528 | |
11529 | g_signal_emit (instance: tree_view, signal_id: tree_view_signals[ROW_EXPANDED], detail: 0, &iter, path); |
11530 | if (open_all && node->children) |
11531 | { |
11532 | gtk_tree_rbtree_traverse (tree: node->children, |
11533 | node: node->children->root, |
11534 | order: G_PRE_ORDER, |
11535 | func: gtk_tree_view_expand_all_emission_helper, |
11536 | data: tree_view); |
11537 | } |
11538 | return TRUE; |
11539 | } |
11540 | |
11541 | |
11542 | /** |
11543 | * gtk_tree_view_expand_row: |
11544 | * @tree_view: a `GtkTreeView` |
11545 | * @path: path to a row |
11546 | * @open_all: whether to recursively expand, or just expand immediate children |
11547 | * |
11548 | * Opens the row so its children are visible. |
11549 | * |
11550 | * Returns: %TRUE if the row existed and had children |
11551 | **/ |
11552 | gboolean |
11553 | gtk_tree_view_expand_row (GtkTreeView *tree_view, |
11554 | GtkTreePath *path, |
11555 | gboolean open_all) |
11556 | { |
11557 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
11558 | GtkTreeRBTree *tree; |
11559 | GtkTreeRBNode *node; |
11560 | |
11561 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); |
11562 | g_return_val_if_fail (priv->model != NULL, FALSE); |
11563 | g_return_val_if_fail (path != NULL, FALSE); |
11564 | |
11565 | if (_gtk_tree_view_find_node (tree_view, |
11566 | path, |
11567 | tree: &tree, |
11568 | node: &node)) |
11569 | return FALSE; |
11570 | |
11571 | if (tree != NULL) |
11572 | return gtk_tree_view_real_expand_row (tree_view, path, tree, node, open_all); |
11573 | else |
11574 | return FALSE; |
11575 | } |
11576 | |
11577 | static gboolean |
11578 | gtk_tree_view_real_collapse_row (GtkTreeView *tree_view, |
11579 | GtkTreePath *path, |
11580 | GtkTreeRBTree *tree, |
11581 | GtkTreeRBNode *node) |
11582 | { |
11583 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
11584 | GtkTreeIter iter; |
11585 | GtkTreeIter children; |
11586 | gboolean collapse; |
11587 | GList *list; |
11588 | gboolean selection_changed, cursor_changed; |
11589 | |
11590 | remove_auto_expand_timeout (tree_view); |
11591 | |
11592 | if (node->children == NULL) |
11593 | return FALSE; |
11594 | gtk_tree_model_get_iter (tree_model: priv->model, iter: &iter, path); |
11595 | |
11596 | g_signal_emit (instance: tree_view, signal_id: tree_view_signals[TEST_COLLAPSE_ROW], detail: 0, &iter, path, &collapse); |
11597 | |
11598 | if (collapse) |
11599 | return FALSE; |
11600 | |
11601 | /* if the prelighted node is a child of us, we want to unprelight it. We have |
11602 | * a chance to prelight the correct node below */ |
11603 | |
11604 | if (priv->prelight_tree) |
11605 | { |
11606 | GtkTreeRBTree *parent_tree; |
11607 | GtkTreeRBNode *parent_node; |
11608 | |
11609 | parent_tree = priv->prelight_tree->parent_tree; |
11610 | parent_node = priv->prelight_tree->parent_node; |
11611 | while (parent_tree) |
11612 | { |
11613 | if (parent_tree == tree && parent_node == node) |
11614 | { |
11615 | ensure_unprelighted (tree_view); |
11616 | break; |
11617 | } |
11618 | parent_node = parent_tree->parent_node; |
11619 | parent_tree = parent_tree->parent_tree; |
11620 | } |
11621 | } |
11622 | |
11623 | TREE_VIEW_INTERNAL_ASSERT (gtk_tree_model_iter_children (priv->model, &children, &iter), FALSE); |
11624 | |
11625 | for (list = priv->columns; list; list = list->next) |
11626 | { |
11627 | GtkTreeViewColumn *column = list->data; |
11628 | |
11629 | if (gtk_tree_view_column_get_visible (tree_column: column) == FALSE) |
11630 | continue; |
11631 | if (gtk_tree_view_column_get_sizing (tree_column: column) == GTK_TREE_VIEW_COLUMN_AUTOSIZE) |
11632 | _gtk_tree_view_column_cell_set_dirty (tree_column: column, TRUE); |
11633 | } |
11634 | |
11635 | if (priv->cursor_node) |
11636 | { |
11637 | cursor_changed = (node->children == priv->cursor_tree) |
11638 | || gtk_tree_rbtree_contains (tree: node->children, potential_child: priv->cursor_tree); |
11639 | } |
11640 | else |
11641 | cursor_changed = FALSE; |
11642 | |
11643 | if (gtk_tree_row_reference_valid (reference: priv->anchor)) |
11644 | { |
11645 | GtkTreePath *anchor_path = gtk_tree_row_reference_get_path (reference: priv->anchor); |
11646 | if (gtk_tree_path_is_ancestor (path, descendant: anchor_path)) |
11647 | { |
11648 | gtk_tree_row_reference_free (reference: priv->anchor); |
11649 | priv->anchor = NULL; |
11650 | } |
11651 | gtk_tree_path_free (path: anchor_path); |
11652 | } |
11653 | |
11654 | selection_changed = gtk_tree_view_unref_and_check_selection_tree (tree_view, tree: node->children); |
11655 | |
11656 | /* Stop a pending double click */ |
11657 | gtk_event_controller_reset (GTK_EVENT_CONTROLLER (priv->click_gesture)); |
11658 | |
11659 | gtk_tree_rbtree_remove (tree: node->children); |
11660 | |
11661 | if (cursor_changed) |
11662 | gtk_tree_view_real_set_cursor (tree_view, path, flags: CLEAR_AND_SELECT | CURSOR_INVALID); |
11663 | if (selection_changed) |
11664 | g_signal_emit_by_name (instance: priv->selection, detailed_signal: "changed" ); |
11665 | |
11666 | if (gtk_widget_get_mapped (GTK_WIDGET (tree_view))) |
11667 | { |
11668 | gtk_widget_queue_resize (GTK_WIDGET (tree_view)); |
11669 | } |
11670 | |
11671 | g_signal_emit (instance: tree_view, signal_id: tree_view_signals[ROW_COLLAPSED], detail: 0, &iter, path); |
11672 | |
11673 | if (gtk_widget_get_mapped (GTK_WIDGET (tree_view))) |
11674 | update_prelight (tree_view, |
11675 | x: priv->event_last_x, |
11676 | y: priv->event_last_y); |
11677 | |
11678 | return TRUE; |
11679 | } |
11680 | |
11681 | /** |
11682 | * gtk_tree_view_collapse_row: |
11683 | * @tree_view: a `GtkTreeView` |
11684 | * @path: path to a row in the @tree_view |
11685 | * |
11686 | * Collapses a row (hides its child rows, if they exist). |
11687 | * |
11688 | * Returns: %TRUE if the row was collapsed. |
11689 | **/ |
11690 | gboolean |
11691 | gtk_tree_view_collapse_row (GtkTreeView *tree_view, |
11692 | GtkTreePath *path) |
11693 | { |
11694 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
11695 | GtkTreeRBTree *tree; |
11696 | GtkTreeRBNode *node; |
11697 | |
11698 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); |
11699 | g_return_val_if_fail (priv->tree != NULL, FALSE); |
11700 | g_return_val_if_fail (path != NULL, FALSE); |
11701 | |
11702 | if (_gtk_tree_view_find_node (tree_view, |
11703 | path, |
11704 | tree: &tree, |
11705 | node: &node)) |
11706 | return FALSE; |
11707 | |
11708 | if (tree == NULL || node->children == NULL) |
11709 | return FALSE; |
11710 | |
11711 | return gtk_tree_view_real_collapse_row (tree_view, path, tree, node); |
11712 | } |
11713 | |
11714 | static void |
11715 | gtk_tree_view_map_expanded_rows_helper (GtkTreeView *tree_view, |
11716 | GtkTreeRBTree *tree, |
11717 | GtkTreePath *path, |
11718 | GtkTreeViewMappingFunc func, |
11719 | gpointer user_data) |
11720 | { |
11721 | GtkTreeRBNode *node; |
11722 | |
11723 | if (tree == NULL || tree->root == NULL) |
11724 | return; |
11725 | |
11726 | node = gtk_tree_rbtree_first (tree); |
11727 | |
11728 | while (node) |
11729 | { |
11730 | if (node->children) |
11731 | { |
11732 | (* func) (tree_view, path, user_data); |
11733 | gtk_tree_path_down (path); |
11734 | gtk_tree_view_map_expanded_rows_helper (tree_view, tree: node->children, path, func, user_data); |
11735 | gtk_tree_path_up (path); |
11736 | } |
11737 | gtk_tree_path_next (path); |
11738 | node = gtk_tree_rbtree_next (tree, node); |
11739 | } |
11740 | } |
11741 | |
11742 | /** |
11743 | * gtk_tree_view_map_expanded_rows: |
11744 | * @tree_view: A `GtkTreeView` |
11745 | * @func: (scope call): A function to be called |
11746 | * @data: User data to be passed to the function. |
11747 | * |
11748 | * Calls @func on all expanded rows. |
11749 | **/ |
11750 | void |
11751 | gtk_tree_view_map_expanded_rows (GtkTreeView *tree_view, |
11752 | GtkTreeViewMappingFunc func, |
11753 | gpointer user_data) |
11754 | { |
11755 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
11756 | GtkTreePath *path; |
11757 | |
11758 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
11759 | g_return_if_fail (func != NULL); |
11760 | |
11761 | path = gtk_tree_path_new_first (); |
11762 | |
11763 | gtk_tree_view_map_expanded_rows_helper (tree_view, |
11764 | tree: priv->tree, |
11765 | path, func, user_data); |
11766 | |
11767 | gtk_tree_path_free (path); |
11768 | } |
11769 | |
11770 | /** |
11771 | * gtk_tree_view_row_expanded: |
11772 | * @tree_view: A `GtkTreeView`. |
11773 | * @path: A `GtkTreePath` to test expansion state. |
11774 | * |
11775 | * Returns %TRUE if the node pointed to by @path is expanded in @tree_view. |
11776 | * |
11777 | * Returns: %TRUE if #path is expanded. |
11778 | **/ |
11779 | gboolean |
11780 | gtk_tree_view_row_expanded (GtkTreeView *tree_view, |
11781 | GtkTreePath *path) |
11782 | { |
11783 | GtkTreeRBTree *tree; |
11784 | GtkTreeRBNode *node; |
11785 | |
11786 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); |
11787 | g_return_val_if_fail (path != NULL, FALSE); |
11788 | |
11789 | _gtk_tree_view_find_node (tree_view, path, tree: &tree, node: &node); |
11790 | |
11791 | if (node == NULL) |
11792 | return FALSE; |
11793 | |
11794 | return (node->children != NULL); |
11795 | } |
11796 | |
11797 | /** |
11798 | * gtk_tree_view_get_reorderable: |
11799 | * @tree_view: a `GtkTreeView` |
11800 | * |
11801 | * Retrieves whether the user can reorder the tree via drag-and-drop. See |
11802 | * gtk_tree_view_set_reorderable(). |
11803 | * |
11804 | * Returns: %TRUE if the tree can be reordered. |
11805 | **/ |
11806 | gboolean |
11807 | gtk_tree_view_get_reorderable (GtkTreeView *tree_view) |
11808 | { |
11809 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
11810 | |
11811 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); |
11812 | |
11813 | return priv->reorderable; |
11814 | } |
11815 | |
11816 | /** |
11817 | * gtk_tree_view_set_reorderable: |
11818 | * @tree_view: A `GtkTreeView`. |
11819 | * @reorderable: %TRUE, if the tree can be reordered. |
11820 | * |
11821 | * This function is a convenience function to allow you to reorder |
11822 | * models that support the `GtkTreeDragSourceIface` and the |
11823 | * `GtkTreeDragDestIface`. Both `GtkTreeStore` and `GtkListStore` support |
11824 | * these. If @reorderable is %TRUE, then the user can reorder the |
11825 | * model by dragging and dropping rows. The developer can listen to |
11826 | * these changes by connecting to the model’s `GtkTreeModel::row-inserted` |
11827 | * and `GtkTreeModel::row-deleted` signals. The reordering is implemented |
11828 | * by setting up the tree view as a drag source and destination. |
11829 | * Therefore, drag and drop can not be used in a reorderable view for any |
11830 | * other purpose. |
11831 | * |
11832 | * This function does not give you any degree of control over the order -- any |
11833 | * reordering is allowed. If more control is needed, you should probably |
11834 | * handle drag and drop manually. |
11835 | **/ |
11836 | void |
11837 | gtk_tree_view_set_reorderable (GtkTreeView *tree_view, |
11838 | gboolean reorderable) |
11839 | { |
11840 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
11841 | |
11842 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
11843 | |
11844 | reorderable = reorderable != FALSE; |
11845 | |
11846 | if (priv->reorderable == reorderable) |
11847 | return; |
11848 | |
11849 | if (reorderable) |
11850 | { |
11851 | GdkContentFormats *formats; |
11852 | |
11853 | formats = gdk_content_formats_new_for_gtype (GTK_TYPE_TREE_ROW_DATA); |
11854 | |
11855 | gtk_tree_view_enable_model_drag_source (tree_view, |
11856 | start_button_mask: GDK_BUTTON1_MASK, |
11857 | formats, |
11858 | actions: GDK_ACTION_MOVE); |
11859 | gtk_tree_view_enable_model_drag_dest (tree_view, |
11860 | formats, |
11861 | actions: GDK_ACTION_MOVE); |
11862 | gdk_content_formats_unref (formats); |
11863 | } |
11864 | else |
11865 | { |
11866 | gtk_tree_view_unset_rows_drag_source (tree_view); |
11867 | gtk_tree_view_unset_rows_drag_dest (tree_view); |
11868 | } |
11869 | |
11870 | priv->reorderable = reorderable; |
11871 | |
11872 | g_object_notify_by_pspec (G_OBJECT (tree_view), pspec: tree_view_props[PROP_REORDERABLE]); |
11873 | } |
11874 | |
11875 | static void |
11876 | gtk_tree_view_real_set_cursor (GtkTreeView *tree_view, |
11877 | GtkTreePath *path, |
11878 | SetCursorFlags flags) |
11879 | { |
11880 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
11881 | |
11882 | if (!(flags & CURSOR_INVALID) && priv->cursor_node) |
11883 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
11884 | |
11885 | /* One cannot set the cursor on a separator. Also, if |
11886 | * _gtk_tree_view_find_node returns TRUE, it ran out of tree |
11887 | * before finding the tree and node belonging to path. The |
11888 | * path maps to a non-existing path and we will silently bail out. |
11889 | * We unset tree and node to avoid further processing. |
11890 | */ |
11891 | if (path == NULL || |
11892 | row_is_separator (tree_view, NULL, path) |
11893 | || _gtk_tree_view_find_node (tree_view, |
11894 | path, |
11895 | tree: &priv->cursor_tree, |
11896 | node: &priv->cursor_node)) |
11897 | { |
11898 | priv->cursor_tree = NULL; |
11899 | priv->cursor_node = NULL; |
11900 | } |
11901 | |
11902 | if (priv->cursor_node != NULL) |
11903 | { |
11904 | GtkTreeRBTree *new_tree = NULL; |
11905 | GtkTreeRBNode *new_node = NULL; |
11906 | |
11907 | if ((flags & CLEAR_AND_SELECT) && !priv->modify_selection_pressed) |
11908 | { |
11909 | GtkTreeSelectMode mode = 0; |
11910 | |
11911 | if (priv->extend_selection_pressed) |
11912 | mode |= GTK_TREE_SELECT_MODE_EXTEND; |
11913 | |
11914 | _gtk_tree_selection_internal_select_node (selection: priv->selection, |
11915 | node: priv->cursor_node, |
11916 | tree: priv->cursor_tree, |
11917 | path, |
11918 | mode, |
11919 | FALSE); |
11920 | } |
11921 | |
11922 | /* We have to re-find tree and node here again, somebody might have |
11923 | * cleared the node or the whole tree in the GtkTreeSelection::changed |
11924 | * callback. If the nodes differ we bail out here. |
11925 | */ |
11926 | _gtk_tree_view_find_node (tree_view, path, tree: &new_tree, node: &new_node); |
11927 | |
11928 | if (priv->cursor_node == NULL || |
11929 | priv->cursor_node != new_node) |
11930 | return; |
11931 | |
11932 | if (flags & CLAMP_NODE) |
11933 | { |
11934 | gtk_tree_view_clamp_node_visible (tree_view, |
11935 | tree: priv->cursor_tree, |
11936 | node: priv->cursor_node); |
11937 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
11938 | } |
11939 | } |
11940 | |
11941 | if (!gtk_widget_in_destruction (GTK_WIDGET (tree_view))) |
11942 | g_signal_emit (instance: tree_view, signal_id: tree_view_signals[CURSOR_CHANGED], detail: 0); |
11943 | } |
11944 | |
11945 | /** |
11946 | * gtk_tree_view_get_cursor: |
11947 | * @tree_view: A `GtkTreeView` |
11948 | * @path: (out) (transfer full) (optional) (nullable): A pointer to be |
11949 | * filled with the current cursor path |
11950 | * @focus_column: (out) (transfer none) (optional) (nullable): A |
11951 | * pointer to be filled with the current focus column |
11952 | * |
11953 | * Fills in @path and @focus_column with the current path and focus column. If |
11954 | * the cursor isn’t currently set, then *@path will be %NULL. If no column |
11955 | * currently has focus, then *@focus_column will be %NULL. |
11956 | * |
11957 | * The returned `GtkTreePath` must be freed with gtk_tree_path_free() when |
11958 | * you are done with it. |
11959 | **/ |
11960 | void |
11961 | gtk_tree_view_get_cursor (GtkTreeView *tree_view, |
11962 | GtkTreePath **path, |
11963 | GtkTreeViewColumn **focus_column) |
11964 | { |
11965 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
11966 | |
11967 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
11968 | |
11969 | if (path) |
11970 | { |
11971 | if (priv->cursor_node) |
11972 | *path = _gtk_tree_path_new_from_rbtree (tree: priv->cursor_tree, |
11973 | node: priv->cursor_node); |
11974 | else |
11975 | *path = NULL; |
11976 | } |
11977 | |
11978 | if (focus_column) |
11979 | { |
11980 | *focus_column = priv->focus_column; |
11981 | } |
11982 | } |
11983 | |
11984 | /** |
11985 | * gtk_tree_view_set_cursor: |
11986 | * @tree_view: A `GtkTreeView` |
11987 | * @path: A `GtkTreePath` |
11988 | * @focus_column: (nullable): A `GtkTreeViewColumn` |
11989 | * @start_editing: %TRUE if the specified cell should start being edited. |
11990 | * |
11991 | * Sets the current keyboard focus to be at @path, and selects it. This is |
11992 | * useful when you want to focus the user’s attention on a particular row. If |
11993 | * @focus_column is not %NULL, then focus is given to the column specified by |
11994 | * it. Additionally, if @focus_column is specified, and @start_editing is |
11995 | * %TRUE, then editing should be started in the specified cell. |
11996 | * This function is often followed by @gtk_widget_grab_focus (@tree_view) |
11997 | * in order to give keyboard focus to the widget. Please note that editing |
11998 | * can only happen when the widget is realized. |
11999 | * |
12000 | * If @path is invalid for @model, the current cursor (if any) will be unset |
12001 | * and the function will return without failing. |
12002 | **/ |
12003 | void |
12004 | gtk_tree_view_set_cursor (GtkTreeView *tree_view, |
12005 | GtkTreePath *path, |
12006 | GtkTreeViewColumn *focus_column, |
12007 | gboolean start_editing) |
12008 | { |
12009 | gtk_tree_view_set_cursor_on_cell (tree_view, path, focus_column, |
12010 | NULL, start_editing); |
12011 | } |
12012 | |
12013 | /** |
12014 | * gtk_tree_view_set_cursor_on_cell: |
12015 | * @tree_view: A `GtkTreeView` |
12016 | * @path: A `GtkTreePath` |
12017 | * @focus_column: (nullable): A `GtkTreeViewColumn` |
12018 | * @focus_cell: (nullable): A `GtkCellRenderer` |
12019 | * @start_editing: %TRUE if the specified cell should start being edited. |
12020 | * |
12021 | * Sets the current keyboard focus to be at @path, and selects it. This is |
12022 | * useful when you want to focus the user’s attention on a particular row. If |
12023 | * @focus_column is not %NULL, then focus is given to the column specified by |
12024 | * it. If @focus_column and @focus_cell are not %NULL, and @focus_column |
12025 | * contains 2 or more editable or activatable cells, then focus is given to |
12026 | * the cell specified by @focus_cell. Additionally, if @focus_column is |
12027 | * specified, and @start_editing is %TRUE, then editing should be started in |
12028 | * the specified cell. This function is often followed by |
12029 | * @gtk_widget_grab_focus (@tree_view) in order to give keyboard focus to the |
12030 | * widget. Please note that editing can only happen when the widget is |
12031 | * realized. |
12032 | * |
12033 | * If @path is invalid for @model, the current cursor (if any) will be unset |
12034 | * and the function will return without failing. |
12035 | **/ |
12036 | void |
12037 | gtk_tree_view_set_cursor_on_cell (GtkTreeView *tree_view, |
12038 | GtkTreePath *path, |
12039 | GtkTreeViewColumn *focus_column, |
12040 | GtkCellRenderer *focus_cell, |
12041 | gboolean start_editing) |
12042 | { |
12043 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
12044 | |
12045 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
12046 | g_return_if_fail (path != NULL); |
12047 | g_return_if_fail (focus_column == NULL || GTK_IS_TREE_VIEW_COLUMN (focus_column)); |
12048 | |
12049 | if (!priv->model) |
12050 | return; |
12051 | |
12052 | if (focus_cell) |
12053 | { |
12054 | g_return_if_fail (focus_column); |
12055 | g_return_if_fail (GTK_IS_CELL_RENDERER (focus_cell)); |
12056 | } |
12057 | |
12058 | /* cancel the current editing, if it exists */ |
12059 | if (priv->edited_column && |
12060 | gtk_cell_area_get_edit_widget |
12061 | (area: gtk_cell_layout_get_area (GTK_CELL_LAYOUT (priv->edited_column)))) |
12062 | gtk_tree_view_stop_editing (tree_view, TRUE); |
12063 | |
12064 | gtk_tree_view_real_set_cursor (tree_view, path, flags: CLEAR_AND_SELECT | CLAMP_NODE); |
12065 | |
12066 | if (focus_column && |
12067 | gtk_tree_view_column_get_visible (tree_column: focus_column)) |
12068 | { |
12069 | #ifndef G_DISABLE_CHECKS |
12070 | GList *list; |
12071 | gboolean column_in_tree = FALSE; |
12072 | |
12073 | for (list = priv->columns; list; list = list->next) |
12074 | if (list->data == focus_column) |
12075 | { |
12076 | column_in_tree = TRUE; |
12077 | break; |
12078 | } |
12079 | g_return_if_fail (column_in_tree); |
12080 | #endif |
12081 | _gtk_tree_view_set_focus_column (tree_view, column: focus_column); |
12082 | if (focus_cell) |
12083 | gtk_tree_view_column_focus_cell (tree_column: focus_column, cell: focus_cell); |
12084 | if (start_editing) |
12085 | gtk_tree_view_start_editing (tree_view, cursor_path: path, TRUE); |
12086 | } |
12087 | } |
12088 | |
12089 | /** |
12090 | * gtk_tree_view_get_path_at_pos: |
12091 | * @tree_view: A `GtkTreeView`. |
12092 | * @x: The x position to be identified (relative to bin_window). |
12093 | * @y: The y position to be identified (relative to bin_window). |
12094 | * @path: (out) (optional) (nullable): A pointer to a `GtkTreePath` |
12095 | * pointer to be filled in |
12096 | * @column: (out) (transfer none) (optional) (nullable): A pointer to |
12097 | * a `GtkTreeViewColumn` pointer to be filled in |
12098 | * @cell_x: (out) (optional): A pointer where the X coordinate |
12099 | * relative to the cell can be placed |
12100 | * @cell_y: (out) (optional): A pointer where the Y coordinate |
12101 | * relative to the cell can be placed |
12102 | * |
12103 | * Finds the path at the point (@x, @y), relative to bin_window coordinates. |
12104 | * That is, @x and @y are relative to an events coordinates. Widget-relative |
12105 | * coordinates must be converted using |
12106 | * gtk_tree_view_convert_widget_to_bin_window_coords(). It is primarily for |
12107 | * things like popup menus. If @path is non-%NULL, then it will be filled |
12108 | * with the `GtkTreePath` at that point. This path should be freed with |
12109 | * gtk_tree_path_free(). If @column is non-%NULL, then it will be filled |
12110 | * with the column at that point. @cell_x and @cell_y return the coordinates |
12111 | * relative to the cell background (i.e. the @background_area passed to |
12112 | * gtk_cell_renderer_render()). This function is only meaningful if |
12113 | * @tree_view is realized. Therefore this function will always return %FALSE |
12114 | * if @tree_view is not realized or does not have a model. |
12115 | * |
12116 | * For converting widget coordinates (eg. the ones you get from |
12117 | * GtkWidget::query-tooltip), please see |
12118 | * gtk_tree_view_convert_widget_to_bin_window_coords(). |
12119 | * |
12120 | * Returns: %TRUE if a row exists at that coordinate. |
12121 | **/ |
12122 | gboolean |
12123 | gtk_tree_view_get_path_at_pos (GtkTreeView *tree_view, |
12124 | int x, |
12125 | int y, |
12126 | GtkTreePath **path, |
12127 | GtkTreeViewColumn **column, |
12128 | int *cell_x, |
12129 | int *cell_y) |
12130 | { |
12131 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
12132 | GtkTreeRBTree *tree; |
12133 | GtkTreeRBNode *node; |
12134 | int y_offset; |
12135 | |
12136 | g_return_val_if_fail (tree_view != NULL, FALSE); |
12137 | |
12138 | if (path) |
12139 | *path = NULL; |
12140 | if (column) |
12141 | *column = NULL; |
12142 | |
12143 | if (priv->tree == NULL) |
12144 | return FALSE; |
12145 | |
12146 | if (x > gtk_adjustment_get_upper (adjustment: priv->hadjustment)) |
12147 | return FALSE; |
12148 | |
12149 | if (x < 0 || y < 0) |
12150 | return FALSE; |
12151 | |
12152 | if (column || cell_x) |
12153 | { |
12154 | GtkTreeViewColumn *tmp_column; |
12155 | GtkTreeViewColumn *last_column = NULL; |
12156 | GList *list; |
12157 | int remaining_x = x; |
12158 | gboolean found = FALSE; |
12159 | gboolean rtl; |
12160 | int width; |
12161 | |
12162 | rtl = (_gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL); |
12163 | for (list = (rtl ? g_list_last (list: priv->columns) : g_list_first (list: priv->columns)); |
12164 | list; |
12165 | list = (rtl ? list->prev : list->next)) |
12166 | { |
12167 | tmp_column = list->data; |
12168 | |
12169 | if (gtk_tree_view_column_get_visible (tree_column: tmp_column) == FALSE) |
12170 | continue; |
12171 | |
12172 | last_column = tmp_column; |
12173 | width = gtk_tree_view_column_get_width (tree_column: tmp_column); |
12174 | if (remaining_x < width) |
12175 | { |
12176 | found = TRUE; |
12177 | |
12178 | if (column) |
12179 | *column = tmp_column; |
12180 | |
12181 | if (cell_x) |
12182 | *cell_x = remaining_x; |
12183 | |
12184 | break; |
12185 | } |
12186 | remaining_x -= width; |
12187 | } |
12188 | |
12189 | /* If found is FALSE and there is a last_column, then it the remainder |
12190 | * space is in that area |
12191 | */ |
12192 | if (!found) |
12193 | { |
12194 | if (last_column) |
12195 | { |
12196 | if (column) |
12197 | *column = last_column; |
12198 | |
12199 | if (cell_x) |
12200 | *cell_x = gtk_tree_view_column_get_width (tree_column: last_column) + remaining_x; |
12201 | } |
12202 | else |
12203 | { |
12204 | return FALSE; |
12205 | } |
12206 | } |
12207 | } |
12208 | |
12209 | y_offset = gtk_tree_rbtree_find_offset (tree: priv->tree, |
12210 | TREE_WINDOW_Y_TO_RBTREE_Y (priv, y), |
12211 | new_tree: &tree, new_node: &node); |
12212 | |
12213 | if (tree == NULL) |
12214 | return FALSE; |
12215 | |
12216 | if (cell_y) |
12217 | *cell_y = y_offset; |
12218 | |
12219 | if (path) |
12220 | *path = _gtk_tree_path_new_from_rbtree (tree, node); |
12221 | |
12222 | return TRUE; |
12223 | } |
12224 | |
12225 | |
12226 | static inline int |
12227 | gtk_tree_view_get_cell_area_height (GtkTreeView *tree_view, |
12228 | GtkTreeRBNode *node) |
12229 | { |
12230 | int expander_size = gtk_tree_view_get_expander_size (tree_view); |
12231 | int height; |
12232 | |
12233 | /* The "cell" areas are the cell_area passed in to gtk_cell_renderer_render(), |
12234 | * i.e. just the cells, no spacing. |
12235 | * |
12236 | * The cell area height is at least expander_size - vertical_separator. |
12237 | * For regular nodes, the height is then at least expander_size. We should |
12238 | * be able to enforce the expander_size minimum here, because this |
12239 | * function will not be called for irregular (e.g. separator) rows. |
12240 | */ |
12241 | height = gtk_tree_view_get_row_height (tree_view, node); |
12242 | if (height < expander_size) |
12243 | height = expander_size; |
12244 | |
12245 | return height; |
12246 | } |
12247 | |
12248 | static inline int |
12249 | gtk_tree_view_get_cell_area_y_offset (GtkTreeView *tree_view, |
12250 | GtkTreeRBTree *tree, |
12251 | GtkTreeRBNode *node) |
12252 | { |
12253 | int offset; |
12254 | |
12255 | offset = gtk_tree_view_get_row_y_offset (tree_view, tree, node); |
12256 | |
12257 | return offset; |
12258 | } |
12259 | |
12260 | /** |
12261 | * gtk_tree_view_get_cell_area: |
12262 | * @tree_view: a `GtkTreeView` |
12263 | * @path: (nullable): a `GtkTreePath` for the row, or %NULL to get only horizontal coordinates |
12264 | * @column: (nullable): a `GtkTreeViewColumn` for the column, or %NULL to get only vertical coordinates |
12265 | * @rect: (out): rectangle to fill with cell rect |
12266 | * |
12267 | * Fills the bounding rectangle in bin_window coordinates for the cell at the |
12268 | * row specified by @path and the column specified by @column. If @path is |
12269 | * %NULL, or points to a path not currently displayed, the @y and @height fields |
12270 | * of the rectangle will be filled with 0. If @column is %NULL, the @x and @width |
12271 | * fields will be filled with 0. The sum of all cell rects does not cover the |
12272 | * entire tree; there are extra pixels in between rows, for example. The |
12273 | * returned rectangle is equivalent to the @cell_area passed to |
12274 | * gtk_cell_renderer_render(). This function is only valid if @tree_view is |
12275 | * realized. |
12276 | **/ |
12277 | void |
12278 | gtk_tree_view_get_cell_area (GtkTreeView *tree_view, |
12279 | GtkTreePath *path, |
12280 | GtkTreeViewColumn *column, |
12281 | GdkRectangle *rect) |
12282 | { |
12283 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
12284 | GtkTreeRBTree *tree = NULL; |
12285 | GtkTreeRBNode *node = NULL; |
12286 | |
12287 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
12288 | g_return_if_fail (column == NULL || GTK_IS_TREE_VIEW_COLUMN (column)); |
12289 | g_return_if_fail (rect != NULL); |
12290 | g_return_if_fail (!column || gtk_tree_view_column_get_tree_view (column) == (GtkWidget *) tree_view); |
12291 | g_return_if_fail (gtk_widget_get_realized (GTK_WIDGET (tree_view))); |
12292 | |
12293 | rect->x = 0; |
12294 | rect->y = 0; |
12295 | rect->width = 0; |
12296 | rect->height = 0; |
12297 | |
12298 | if (column) |
12299 | { |
12300 | rect->x = gtk_tree_view_column_get_x_offset (tree_column: column) + _TREE_VIEW_HORIZONTAL_SEPARATOR / 2; |
12301 | rect->width = gtk_tree_view_column_get_width (tree_column: column) - _TREE_VIEW_HORIZONTAL_SEPARATOR; |
12302 | } |
12303 | |
12304 | if (path) |
12305 | { |
12306 | gboolean ret = _gtk_tree_view_find_node (tree_view, path, tree: &tree, node: &node); |
12307 | |
12308 | /* Get vertical coords */ |
12309 | if ((!ret && tree == NULL) || ret) |
12310 | return; |
12311 | |
12312 | if (row_is_separator (tree_view, NULL, path)) |
12313 | { |
12314 | /* There isn't really a "cell area" for separator, so we |
12315 | * return the y, height values for background area instead. |
12316 | */ |
12317 | rect->y = gtk_tree_view_get_row_y_offset (tree_view, tree, node); |
12318 | rect->height = gtk_tree_view_get_row_height (tree_view, node); |
12319 | } |
12320 | else |
12321 | { |
12322 | rect->y = gtk_tree_view_get_cell_area_y_offset (tree_view, tree, node); |
12323 | rect->height = gtk_tree_view_get_cell_area_height (tree_view, node); |
12324 | } |
12325 | |
12326 | if (column && |
12327 | gtk_tree_view_is_expander_column (tree_view, column)) |
12328 | { |
12329 | int depth = gtk_tree_path_get_depth (path); |
12330 | gboolean rtl; |
12331 | |
12332 | rtl = _gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL; |
12333 | |
12334 | if (!rtl) |
12335 | rect->x += (depth - 1) * priv->level_indentation; |
12336 | rect->width -= (depth - 1) * priv->level_indentation; |
12337 | |
12338 | if (gtk_tree_view_draw_expanders (tree_view)) |
12339 | { |
12340 | int expander_size = gtk_tree_view_get_expander_size (tree_view); |
12341 | if (!rtl) |
12342 | rect->x += depth * expander_size; |
12343 | rect->width -= depth * expander_size; |
12344 | } |
12345 | |
12346 | rect->width = MAX (rect->width, 0); |
12347 | } |
12348 | } |
12349 | } |
12350 | |
12351 | static inline int |
12352 | gtk_tree_view_get_row_height (GtkTreeView *tree_view, |
12353 | GtkTreeRBNode *node) |
12354 | { |
12355 | int expander_size = gtk_tree_view_get_expander_size (tree_view); |
12356 | int height; |
12357 | |
12358 | /* The "background" areas of all rows/cells add up to cover the entire tree. |
12359 | * The background includes all inter-row and inter-cell spacing. |
12360 | * |
12361 | * If the row pointed at by node does not have a height set, we default |
12362 | * to expander_size, which is the minimum height for regular nodes. |
12363 | * Non-regular nodes (e.g. separators) can have a height set smaller |
12364 | * than expander_size and should not be overruled here. |
12365 | */ |
12366 | height = GTK_TREE_RBNODE_GET_HEIGHT (node); |
12367 | if (height <= 0) |
12368 | height = expander_size; |
12369 | |
12370 | return height; |
12371 | } |
12372 | |
12373 | static inline int |
12374 | gtk_tree_view_get_row_y_offset (GtkTreeView *tree_view, |
12375 | GtkTreeRBTree *tree, |
12376 | GtkTreeRBNode *node) |
12377 | { |
12378 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
12379 | int offset; |
12380 | |
12381 | offset = gtk_tree_rbtree_node_find_offset (tree, node); |
12382 | |
12383 | return RBTREE_Y_TO_TREE_WINDOW_Y (priv, offset); |
12384 | } |
12385 | |
12386 | /** |
12387 | * gtk_tree_view_get_background_area: |
12388 | * @tree_view: a `GtkTreeView` |
12389 | * @path: (nullable): a `GtkTreePath` for the row, or %NULL to get only horizontal coordinates |
12390 | * @column: (nullable): a `GtkTreeViewColumn` for the column, or %NULL to get only vertical coordinates |
12391 | * @rect: (out): rectangle to fill with cell background rect |
12392 | * |
12393 | * Fills the bounding rectangle in bin_window coordinates for the cell at the |
12394 | * row specified by @path and the column specified by @column. If @path is |
12395 | * %NULL, or points to a node not found in the tree, the @y and @height fields of |
12396 | * the rectangle will be filled with 0. If @column is %NULL, the @x and @width |
12397 | * fields will be filled with 0. The returned rectangle is equivalent to the |
12398 | * @background_area passed to gtk_cell_renderer_render(). These background |
12399 | * areas tile to cover the entire bin window. Contrast with the @cell_area, |
12400 | * returned by gtk_tree_view_get_cell_area(), which returns only the cell |
12401 | * itself, excluding surrounding borders and the tree expander area. |
12402 | * |
12403 | **/ |
12404 | void |
12405 | gtk_tree_view_get_background_area (GtkTreeView *tree_view, |
12406 | GtkTreePath *path, |
12407 | GtkTreeViewColumn *column, |
12408 | GdkRectangle *rect) |
12409 | { |
12410 | GtkTreeRBTree *tree = NULL; |
12411 | GtkTreeRBNode *node = NULL; |
12412 | |
12413 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
12414 | g_return_if_fail (column == NULL || GTK_IS_TREE_VIEW_COLUMN (column)); |
12415 | g_return_if_fail (rect != NULL); |
12416 | |
12417 | rect->x = 0; |
12418 | rect->y = 0; |
12419 | rect->width = 0; |
12420 | rect->height = 0; |
12421 | |
12422 | if (path) |
12423 | { |
12424 | /* Get vertical coords */ |
12425 | |
12426 | if (!_gtk_tree_view_find_node (tree_view, path, tree: &tree, node: &node) && |
12427 | tree == NULL) |
12428 | return; |
12429 | |
12430 | rect->y = gtk_tree_view_get_row_y_offset (tree_view, tree, node); |
12431 | rect->height = gtk_tree_view_get_row_height (tree_view, node); |
12432 | } |
12433 | |
12434 | if (column) |
12435 | { |
12436 | int x2 = 0; |
12437 | |
12438 | gtk_tree_view_get_background_xrange (tree_view, tree, column, x1: &rect->x, x2: &x2); |
12439 | rect->width = x2 - rect->x; |
12440 | } |
12441 | } |
12442 | |
12443 | /** |
12444 | * gtk_tree_view_get_visible_rect: |
12445 | * @tree_view: a `GtkTreeView` |
12446 | * @visible_rect: (out): rectangle to fill |
12447 | * |
12448 | * Fills @visible_rect with the currently-visible region of the |
12449 | * buffer, in tree coordinates. Convert to bin_window coordinates with |
12450 | * gtk_tree_view_convert_tree_to_bin_window_coords(). |
12451 | * Tree coordinates start at 0,0 for row 0 of the tree, and cover the entire |
12452 | * scrollable area of the tree. |
12453 | **/ |
12454 | void |
12455 | gtk_tree_view_get_visible_rect (GtkTreeView *tree_view, |
12456 | GdkRectangle *visible_rect) |
12457 | { |
12458 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
12459 | GtkAllocation allocation; |
12460 | GtkWidget *widget; |
12461 | |
12462 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
12463 | |
12464 | widget = GTK_WIDGET (tree_view); |
12465 | |
12466 | if (visible_rect) |
12467 | { |
12468 | gtk_widget_get_allocation (widget, allocation: &allocation); |
12469 | visible_rect->x = gtk_adjustment_get_value (adjustment: priv->hadjustment); |
12470 | visible_rect->y = gtk_adjustment_get_value (adjustment: priv->vadjustment); |
12471 | visible_rect->width = allocation.width; |
12472 | visible_rect->height = allocation.height - gtk_tree_view_get_effective_header_height (tree_view); |
12473 | } |
12474 | } |
12475 | |
12476 | /** |
12477 | * gtk_tree_view_convert_widget_to_tree_coords: |
12478 | * @tree_view: a `GtkTreeView` |
12479 | * @wx: X coordinate relative to the widget |
12480 | * @wy: Y coordinate relative to the widget |
12481 | * @tx: (out): return location for tree X coordinate |
12482 | * @ty: (out): return location for tree Y coordinate |
12483 | * |
12484 | * Converts widget coordinates to coordinates for the |
12485 | * tree (the full scrollable area of the tree). |
12486 | **/ |
12487 | void |
12488 | gtk_tree_view_convert_widget_to_tree_coords (GtkTreeView *tree_view, |
12489 | int wx, |
12490 | int wy, |
12491 | int *tx, |
12492 | int *ty) |
12493 | { |
12494 | int x, y; |
12495 | |
12496 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
12497 | |
12498 | gtk_tree_view_convert_widget_to_bin_window_coords (tree_view, |
12499 | wx, wy, |
12500 | bx: &x, by: &y); |
12501 | gtk_tree_view_convert_bin_window_to_tree_coords (tree_view, |
12502 | bx: x, by: y, |
12503 | tx, ty); |
12504 | } |
12505 | |
12506 | /** |
12507 | * gtk_tree_view_convert_tree_to_widget_coords: |
12508 | * @tree_view: a `GtkTreeView` |
12509 | * @tx: X coordinate relative to the tree |
12510 | * @ty: Y coordinate relative to the tree |
12511 | * @wx: (out): return location for widget X coordinate |
12512 | * @wy: (out): return location for widget Y coordinate |
12513 | * |
12514 | * Converts tree coordinates (coordinates in full scrollable area of the tree) |
12515 | * to widget coordinates. |
12516 | **/ |
12517 | void |
12518 | gtk_tree_view_convert_tree_to_widget_coords (GtkTreeView *tree_view, |
12519 | int tx, |
12520 | int ty, |
12521 | int *wx, |
12522 | int *wy) |
12523 | { |
12524 | int x, y; |
12525 | |
12526 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
12527 | |
12528 | gtk_tree_view_convert_tree_to_bin_window_coords (tree_view, |
12529 | tx, ty, |
12530 | bx: &x, by: &y); |
12531 | gtk_tree_view_convert_bin_window_to_widget_coords (tree_view, |
12532 | bx: x, by: y, |
12533 | wx, wy); |
12534 | } |
12535 | |
12536 | /** |
12537 | * gtk_tree_view_convert_widget_to_bin_window_coords: |
12538 | * @tree_view: a `GtkTreeView` |
12539 | * @wx: X coordinate relative to the widget |
12540 | * @wy: Y coordinate relative to the widget |
12541 | * @bx: (out): return location for bin_window X coordinate |
12542 | * @by: (out): return location for bin_window Y coordinate |
12543 | * |
12544 | * Converts widget coordinates to coordinates for the bin_window. |
12545 | **/ |
12546 | void |
12547 | gtk_tree_view_convert_widget_to_bin_window_coords (GtkTreeView *tree_view, |
12548 | int wx, |
12549 | int wy, |
12550 | int *bx, |
12551 | int *by) |
12552 | { |
12553 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
12554 | |
12555 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
12556 | |
12557 | if (bx) |
12558 | *bx = wx + gtk_adjustment_get_value (adjustment: priv->hadjustment); |
12559 | if (by) |
12560 | *by = wy - gtk_tree_view_get_effective_header_height (tree_view); |
12561 | } |
12562 | |
12563 | /** |
12564 | * gtk_tree_view_convert_bin_window_to_widget_coords: |
12565 | * @tree_view: a `GtkTreeView` |
12566 | * @bx: bin_window X coordinate |
12567 | * @by: bin_window Y coordinate |
12568 | * @wx: (out): return location for widget X coordinate |
12569 | * @wy: (out): return location for widget Y coordinate |
12570 | * |
12571 | * Converts bin_window coordinates to widget relative coordinates. |
12572 | **/ |
12573 | void |
12574 | gtk_tree_view_convert_bin_window_to_widget_coords (GtkTreeView *tree_view, |
12575 | int bx, |
12576 | int by, |
12577 | int *wx, |
12578 | int *wy) |
12579 | { |
12580 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
12581 | |
12582 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
12583 | |
12584 | if (wx) |
12585 | *wx = bx - gtk_adjustment_get_value (adjustment: priv->hadjustment); |
12586 | if (wy) |
12587 | *wy = by + gtk_tree_view_get_effective_header_height (tree_view); |
12588 | } |
12589 | |
12590 | /** |
12591 | * gtk_tree_view_convert_tree_to_bin_window_coords: |
12592 | * @tree_view: a `GtkTreeView` |
12593 | * @tx: tree X coordinate |
12594 | * @ty: tree Y coordinate |
12595 | * @bx: (out): return location for X coordinate relative to bin_window |
12596 | * @by: (out): return location for Y coordinate relative to bin_window |
12597 | * |
12598 | * Converts tree coordinates (coordinates in full scrollable area of the tree) |
12599 | * to bin_window coordinates. |
12600 | **/ |
12601 | void |
12602 | gtk_tree_view_convert_tree_to_bin_window_coords (GtkTreeView *tree_view, |
12603 | int tx, |
12604 | int ty, |
12605 | int *bx, |
12606 | int *by) |
12607 | { |
12608 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
12609 | |
12610 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
12611 | |
12612 | if (bx) |
12613 | *bx = tx; |
12614 | if (by) |
12615 | *by = ty - priv->dy; |
12616 | } |
12617 | |
12618 | /** |
12619 | * gtk_tree_view_convert_bin_window_to_tree_coords: |
12620 | * @tree_view: a `GtkTreeView` |
12621 | * @bx: X coordinate relative to bin_window |
12622 | * @by: Y coordinate relative to bin_window |
12623 | * @tx: (out): return location for tree X coordinate |
12624 | * @ty: (out): return location for tree Y coordinate |
12625 | * |
12626 | * Converts bin_window coordinates to coordinates for the |
12627 | * tree (the full scrollable area of the tree). |
12628 | **/ |
12629 | void |
12630 | gtk_tree_view_convert_bin_window_to_tree_coords (GtkTreeView *tree_view, |
12631 | int bx, |
12632 | int by, |
12633 | int *tx, |
12634 | int *ty) |
12635 | { |
12636 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
12637 | |
12638 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
12639 | |
12640 | if (tx) |
12641 | *tx = bx; |
12642 | if (ty) |
12643 | *ty = by + priv->dy; |
12644 | } |
12645 | |
12646 | |
12647 | |
12648 | /** |
12649 | * gtk_tree_view_get_visible_range: |
12650 | * @tree_view: A `GtkTreeView` |
12651 | * @start_path: (out) (optional): Return location for start of region |
12652 | * @end_path: (out) (optional): Return location for end of region |
12653 | * |
12654 | * Sets @start_path and @end_path to be the first and last visible path. |
12655 | * Note that there may be invisible paths in between. |
12656 | * |
12657 | * The paths should be freed with gtk_tree_path_free() after use. |
12658 | * |
12659 | * Returns: %TRUE, if valid paths were placed in @start_path and @end_path. |
12660 | */ |
12661 | gboolean |
12662 | gtk_tree_view_get_visible_range (GtkTreeView *tree_view, |
12663 | GtkTreePath **start_path, |
12664 | GtkTreePath **end_path) |
12665 | { |
12666 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
12667 | GtkTreeRBTree *tree; |
12668 | GtkTreeRBNode *node; |
12669 | gboolean retval; |
12670 | |
12671 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); |
12672 | |
12673 | if (!priv->tree) |
12674 | return FALSE; |
12675 | |
12676 | retval = TRUE; |
12677 | |
12678 | if (start_path) |
12679 | { |
12680 | gtk_tree_rbtree_find_offset (tree: priv->tree, |
12681 | TREE_WINDOW_Y_TO_RBTREE_Y (priv, 0), |
12682 | new_tree: &tree, new_node: &node); |
12683 | if (node) |
12684 | *start_path = _gtk_tree_path_new_from_rbtree (tree, node); |
12685 | else |
12686 | retval = FALSE; |
12687 | } |
12688 | |
12689 | if (end_path) |
12690 | { |
12691 | int y; |
12692 | |
12693 | if (gtk_tree_view_get_height (tree_view) < gtk_adjustment_get_page_size (adjustment: priv->vadjustment)) |
12694 | y = gtk_tree_view_get_height (tree_view) - 1; |
12695 | else |
12696 | y = TREE_WINDOW_Y_TO_RBTREE_Y (priv, gtk_adjustment_get_page_size (priv->vadjustment)) - 1; |
12697 | |
12698 | gtk_tree_rbtree_find_offset (tree: priv->tree, offset: y, new_tree: &tree, new_node: &node); |
12699 | if (node) |
12700 | *end_path = _gtk_tree_path_new_from_rbtree (tree, node); |
12701 | else |
12702 | retval = FALSE; |
12703 | } |
12704 | |
12705 | return retval; |
12706 | } |
12707 | |
12708 | /** |
12709 | * gtk_tree_view_is_blank_at_pos: |
12710 | * @tree_view: A `GtkTreeView` |
12711 | * @x: The x position to be identified (relative to bin_window) |
12712 | * @y: The y position to be identified (relative to bin_window) |
12713 | * @path: (out) (optional) (nullable): A pointer to a `GtkTreePath` pointer to |
12714 | * be filled in |
12715 | * @column: (out) (transfer none) (optional) (nullable): A pointer to a |
12716 | * `GtkTreeViewColumn` pointer to be filled in |
12717 | * @cell_x: (out) (optional): A pointer where the X coordinate relative to the |
12718 | * cell can be placed |
12719 | * @cell_y: (out) (optional): A pointer where the Y coordinate relative to the |
12720 | * cell can be placed |
12721 | * |
12722 | * Determine whether the point (@x, @y) in @tree_view is blank, that is no |
12723 | * cell content nor an expander arrow is drawn at the location. If so, the |
12724 | * location can be considered as the background. You might wish to take |
12725 | * special action on clicks on the background, such as clearing a current |
12726 | * selection, having a custom context menu or starting rubber banding. |
12727 | * |
12728 | * The @x and @y coordinate that are provided must be relative to bin_window |
12729 | * coordinates. Widget-relative coordinates must be converted using |
12730 | * gtk_tree_view_convert_widget_to_bin_window_coords(). |
12731 | * |
12732 | * For converting widget coordinates (eg. the ones you get from |
12733 | * GtkWidget::query-tooltip), please see |
12734 | * gtk_tree_view_convert_widget_to_bin_window_coords(). |
12735 | * |
12736 | * The @path, @column, @cell_x and @cell_y arguments will be filled in |
12737 | * likewise as for gtk_tree_view_get_path_at_pos(). Please see |
12738 | * gtk_tree_view_get_path_at_pos() for more information. |
12739 | * |
12740 | * Returns: %TRUE if the area at the given coordinates is blank, |
12741 | * %FALSE otherwise. |
12742 | */ |
12743 | gboolean |
12744 | gtk_tree_view_is_blank_at_pos (GtkTreeView *tree_view, |
12745 | int x, |
12746 | int y, |
12747 | GtkTreePath **path, |
12748 | GtkTreeViewColumn **column, |
12749 | int *cell_x, |
12750 | int *cell_y) |
12751 | { |
12752 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
12753 | GtkTreeRBTree *tree; |
12754 | GtkTreeRBNode *node; |
12755 | GtkTreeIter iter; |
12756 | GtkTreePath *real_path; |
12757 | GtkTreeViewColumn *real_column; |
12758 | GdkRectangle cell_area, background_area; |
12759 | |
12760 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); |
12761 | |
12762 | if (!gtk_tree_view_get_path_at_pos (tree_view, x, y, |
12763 | path: &real_path, column: &real_column, |
12764 | cell_x, cell_y)) |
12765 | /* If there's no path here, it is blank */ |
12766 | return TRUE; |
12767 | |
12768 | if (path) |
12769 | *path = real_path; |
12770 | |
12771 | if (column) |
12772 | *column = real_column; |
12773 | |
12774 | gtk_tree_model_get_iter (tree_model: priv->model, iter: &iter, path: real_path); |
12775 | _gtk_tree_view_find_node (tree_view, path: real_path, tree: &tree, node: &node); |
12776 | |
12777 | /* Check if there's an expander arrow at (x, y) */ |
12778 | if (real_column == priv->expander_column |
12779 | && gtk_tree_view_draw_expanders (tree_view)) |
12780 | { |
12781 | gboolean over_arrow; |
12782 | |
12783 | over_arrow = coords_are_over_arrow (tree_view, tree, node, x, y); |
12784 | |
12785 | if (over_arrow) |
12786 | { |
12787 | if (!path) |
12788 | gtk_tree_path_free (path: real_path); |
12789 | return FALSE; |
12790 | } |
12791 | } |
12792 | |
12793 | /* Otherwise, have the column see if there's a cell at (x, y) */ |
12794 | gtk_tree_view_column_cell_set_cell_data (tree_column: real_column, |
12795 | tree_model: priv->model, |
12796 | iter: &iter, |
12797 | GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_PARENT), |
12798 | is_expanded: node->children ? TRUE : FALSE); |
12799 | |
12800 | gtk_tree_view_get_background_area (tree_view, path: real_path, column: real_column, |
12801 | rect: &background_area); |
12802 | gtk_tree_view_get_cell_area (tree_view, path: real_path, column: real_column, |
12803 | rect: &cell_area); |
12804 | |
12805 | if (!path) |
12806 | gtk_tree_path_free (path: real_path); |
12807 | |
12808 | return _gtk_tree_view_column_is_blank_at_pos (column: real_column, |
12809 | cell_area: &cell_area, |
12810 | background_area: &background_area, |
12811 | x, y); |
12812 | } |
12813 | |
12814 | static void |
12815 | unset_reorderable (GtkTreeView *tree_view) |
12816 | { |
12817 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
12818 | |
12819 | if (priv->reorderable) |
12820 | { |
12821 | priv->reorderable = FALSE; |
12822 | g_object_notify_by_pspec (G_OBJECT (tree_view), pspec: tree_view_props[PROP_REORDERABLE]); |
12823 | } |
12824 | } |
12825 | |
12826 | /** |
12827 | * gtk_tree_view_enable_model_drag_source: |
12828 | * @tree_view: a `GtkTreeView` |
12829 | * @start_button_mask: Mask of allowed buttons to start drag |
12830 | * @formats: the target formats that the drag will support |
12831 | * @actions: the bitmask of possible actions for a drag from this |
12832 | * widget |
12833 | * |
12834 | * Turns @tree_view into a drag source for automatic DND. Calling this |
12835 | * method sets `GtkTreeView`:reorderable to %FALSE. |
12836 | **/ |
12837 | void |
12838 | gtk_tree_view_enable_model_drag_source (GtkTreeView *tree_view, |
12839 | GdkModifierType start_button_mask, |
12840 | GdkContentFormats *formats, |
12841 | GdkDragAction actions) |
12842 | { |
12843 | TreeViewDragInfo *di; |
12844 | |
12845 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
12846 | |
12847 | di = ensure_info (tree_view); |
12848 | |
12849 | di->source_formats = gdk_content_formats_ref (formats); |
12850 | di->source_actions = actions; |
12851 | di->drag = NULL; |
12852 | |
12853 | di->start_button_mask = start_button_mask; |
12854 | di->source_set = TRUE; |
12855 | |
12856 | unset_reorderable (tree_view); |
12857 | } |
12858 | |
12859 | /** |
12860 | * gtk_tree_view_enable_model_drag_dest: |
12861 | * @tree_view: a `GtkTreeView` |
12862 | * @formats: the target formats that the drag will support |
12863 | * @actions: the bitmask of possible actions for a drag from this |
12864 | * widget |
12865 | * |
12866 | * Turns @tree_view into a drop destination for automatic DND. Calling |
12867 | * this method sets `GtkTreeView`:reorderable to %FALSE. |
12868 | **/ |
12869 | void |
12870 | gtk_tree_view_enable_model_drag_dest (GtkTreeView *tree_view, |
12871 | GdkContentFormats *formats, |
12872 | GdkDragAction actions) |
12873 | { |
12874 | TreeViewDragInfo *di; |
12875 | GtkCssNode *widget_node; |
12876 | |
12877 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
12878 | |
12879 | di = ensure_info (tree_view); |
12880 | di->dest_set = TRUE; |
12881 | |
12882 | di->dest = gtk_drop_target_async_new (formats: gdk_content_formats_ref (formats), actions); |
12883 | g_signal_connect (di->dest, "drag-leave" , G_CALLBACK (gtk_tree_view_drag_leave), tree_view); |
12884 | g_signal_connect (di->dest, "drag-enter" , G_CALLBACK (gtk_tree_view_drag_motion), tree_view); |
12885 | g_signal_connect (di->dest, "drag-motion" , G_CALLBACK (gtk_tree_view_drag_motion), tree_view); |
12886 | g_signal_connect (di->dest, "drop" , G_CALLBACK (gtk_tree_view_drag_drop), tree_view); |
12887 | gtk_widget_add_controller (GTK_WIDGET (tree_view), GTK_EVENT_CONTROLLER (di->dest)); |
12888 | g_object_ref (di->dest); |
12889 | |
12890 | widget_node = gtk_widget_get_css_node (GTK_WIDGET (tree_view)); |
12891 | di->cssnode = gtk_css_node_new (); |
12892 | gtk_css_node_set_name (cssnode: di->cssnode, name: g_quark_from_static_string (string: "dndtarget" )); |
12893 | gtk_css_node_set_parent (cssnode: di->cssnode, parent: widget_node); |
12894 | gtk_css_node_set_state (cssnode: di->cssnode, state_flags: gtk_css_node_get_state (cssnode: widget_node)); |
12895 | g_object_unref (object: di->cssnode); |
12896 | |
12897 | unset_reorderable (tree_view); |
12898 | } |
12899 | |
12900 | /** |
12901 | * gtk_tree_view_unset_rows_drag_source: |
12902 | * @tree_view: a `GtkTreeView` |
12903 | * |
12904 | * Undoes the effect of |
12905 | * gtk_tree_view_enable_model_drag_source(). Calling this method sets |
12906 | * `GtkTreeView`:reorderable to %FALSE. |
12907 | **/ |
12908 | void |
12909 | gtk_tree_view_unset_rows_drag_source (GtkTreeView *tree_view) |
12910 | { |
12911 | TreeViewDragInfo *di; |
12912 | |
12913 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
12914 | |
12915 | di = get_info (tree_view); |
12916 | |
12917 | if (di) |
12918 | { |
12919 | if (di->source_set) |
12920 | { |
12921 | g_clear_pointer (&di->source_formats, gdk_content_formats_unref); |
12922 | di->source_set = FALSE; |
12923 | } |
12924 | |
12925 | if (!di->dest_set && !di->source_set) |
12926 | remove_info (tree_view); |
12927 | } |
12928 | |
12929 | unset_reorderable (tree_view); |
12930 | } |
12931 | |
12932 | /** |
12933 | * gtk_tree_view_unset_rows_drag_dest: |
12934 | * @tree_view: a `GtkTreeView` |
12935 | * |
12936 | * Undoes the effect of |
12937 | * gtk_tree_view_enable_model_drag_dest(). Calling this method sets |
12938 | * `GtkTreeView`:reorderable to %FALSE. |
12939 | **/ |
12940 | void |
12941 | gtk_tree_view_unset_rows_drag_dest (GtkTreeView *tree_view) |
12942 | { |
12943 | TreeViewDragInfo *di; |
12944 | |
12945 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
12946 | |
12947 | di = get_info (tree_view); |
12948 | |
12949 | if (di) |
12950 | { |
12951 | if (di->dest_set) |
12952 | { |
12953 | gtk_widget_remove_controller (GTK_WIDGET (tree_view), GTK_EVENT_CONTROLLER (di->dest)); |
12954 | di->dest = NULL; |
12955 | di->dest_set = FALSE; |
12956 | |
12957 | gtk_css_node_set_parent (cssnode: di->cssnode, NULL); |
12958 | di->cssnode = NULL; |
12959 | } |
12960 | |
12961 | if (!di->dest_set && !di->source_set) |
12962 | remove_info (tree_view); |
12963 | } |
12964 | |
12965 | unset_reorderable (tree_view); |
12966 | } |
12967 | |
12968 | /** |
12969 | * gtk_tree_view_set_drag_dest_row: |
12970 | * @tree_view: a `GtkTreeView` |
12971 | * @path: (nullable): The path of the row to highlight |
12972 | * @pos: Specifies whether to drop before, after or into the row |
12973 | * |
12974 | * Sets the row that is highlighted for feedback. |
12975 | * If @path is %NULL, an existing highlight is removed. |
12976 | */ |
12977 | void |
12978 | gtk_tree_view_set_drag_dest_row (GtkTreeView *tree_view, |
12979 | GtkTreePath *path, |
12980 | GtkTreeViewDropPosition pos) |
12981 | { |
12982 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
12983 | GtkTreePath *current_dest; |
12984 | |
12985 | /* Note; this function is exported to allow a custom DND |
12986 | * implementation, so it can't touch TreeViewDragInfo |
12987 | */ |
12988 | |
12989 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
12990 | |
12991 | current_dest = NULL; |
12992 | |
12993 | if (priv->drag_dest_row) |
12994 | { |
12995 | current_dest = gtk_tree_row_reference_get_path (reference: priv->drag_dest_row); |
12996 | gtk_tree_row_reference_free (reference: priv->drag_dest_row); |
12997 | } |
12998 | |
12999 | /* special case a drop on an empty model */ |
13000 | priv->empty_view_drop = 0; |
13001 | |
13002 | if (pos == GTK_TREE_VIEW_DROP_BEFORE && path |
13003 | && gtk_tree_path_get_depth (path) == 1 |
13004 | && gtk_tree_path_get_indices (path)[0] == 0) |
13005 | { |
13006 | int n_children; |
13007 | |
13008 | n_children = gtk_tree_model_iter_n_children (tree_model: priv->model, |
13009 | NULL); |
13010 | |
13011 | if (!n_children) |
13012 | priv->empty_view_drop = 1; |
13013 | } |
13014 | |
13015 | priv->drag_dest_pos = pos; |
13016 | |
13017 | if (path) |
13018 | { |
13019 | priv->drag_dest_row = |
13020 | gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view), model: priv->model, path); |
13021 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
13022 | } |
13023 | else |
13024 | priv->drag_dest_row = NULL; |
13025 | |
13026 | if (current_dest) |
13027 | { |
13028 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
13029 | |
13030 | gtk_tree_path_free (path: current_dest); |
13031 | } |
13032 | } |
13033 | |
13034 | /** |
13035 | * gtk_tree_view_get_drag_dest_row: |
13036 | * @tree_view: a `GtkTreeView` |
13037 | * @path: (out) (optional) (nullable): Return location for the path of the highlighted row |
13038 | * @pos: (out) (optional): Return location for the drop position |
13039 | * |
13040 | * Gets information about the row that is highlighted for feedback. |
13041 | **/ |
13042 | void |
13043 | gtk_tree_view_get_drag_dest_row (GtkTreeView *tree_view, |
13044 | GtkTreePath **path, |
13045 | GtkTreeViewDropPosition *pos) |
13046 | { |
13047 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13048 | |
13049 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
13050 | |
13051 | if (path) |
13052 | { |
13053 | if (priv->drag_dest_row) |
13054 | *path = gtk_tree_row_reference_get_path (reference: priv->drag_dest_row); |
13055 | else |
13056 | { |
13057 | if (priv->empty_view_drop) |
13058 | *path = gtk_tree_path_new_from_indices (first_index: 0, -1); |
13059 | else |
13060 | *path = NULL; |
13061 | } |
13062 | } |
13063 | |
13064 | if (pos) |
13065 | *pos = priv->drag_dest_pos; |
13066 | } |
13067 | |
13068 | /** |
13069 | * gtk_tree_view_get_dest_row_at_pos: |
13070 | * @tree_view: a `GtkTreeView` |
13071 | * @drag_x: the position to determine the destination row for |
13072 | * @drag_y: the position to determine the destination row for |
13073 | * @path: (out) (optional) (nullable): Return location for the path of |
13074 | * the highlighted row |
13075 | * @pos: (out) (optional): Return location for the drop position, or |
13076 | * %NULL |
13077 | * |
13078 | * Determines the destination row for a given position. @drag_x and |
13079 | * @drag_y are expected to be in widget coordinates. This function is only |
13080 | * meaningful if @tree_view is realized. Therefore this function will always |
13081 | * return %FALSE if @tree_view is not realized or does not have a model. |
13082 | * |
13083 | * Returns: whether there is a row at the given position, %TRUE if this |
13084 | * is indeed the case. |
13085 | **/ |
13086 | gboolean |
13087 | gtk_tree_view_get_dest_row_at_pos (GtkTreeView *tree_view, |
13088 | int drag_x, |
13089 | int drag_y, |
13090 | GtkTreePath **path, |
13091 | GtkTreeViewDropPosition *pos) |
13092 | { |
13093 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13094 | int cell_y; |
13095 | int bin_x, bin_y; |
13096 | double offset_into_row; |
13097 | double fourth; |
13098 | GdkRectangle cell; |
13099 | GtkTreeViewColumn *column = NULL; |
13100 | GtkTreePath *tmp_path = NULL; |
13101 | |
13102 | /* Note; this function is exported to allow a custom DND |
13103 | * implementation, so it can't touch TreeViewDragInfo |
13104 | */ |
13105 | |
13106 | g_return_val_if_fail (tree_view != NULL, FALSE); |
13107 | g_return_val_if_fail (drag_x >= 0, FALSE); |
13108 | g_return_val_if_fail (drag_y >= 0, FALSE); |
13109 | |
13110 | if (path) |
13111 | *path = NULL; |
13112 | |
13113 | if (priv->tree == NULL) |
13114 | return FALSE; |
13115 | |
13116 | /* If in the top fourth of a row, we drop before that row; if |
13117 | * in the bottom fourth, drop after that row; if in the middle, |
13118 | * and the row has children, drop into the row. |
13119 | */ |
13120 | gtk_tree_view_convert_widget_to_bin_window_coords (tree_view, wx: drag_x, wy: drag_y, |
13121 | bx: &bin_x, by: &bin_y); |
13122 | |
13123 | if (!gtk_tree_view_get_path_at_pos (tree_view, |
13124 | x: bin_x, |
13125 | y: bin_y, |
13126 | path: &tmp_path, |
13127 | column: &column, |
13128 | NULL, |
13129 | cell_y: &cell_y)) |
13130 | return FALSE; |
13131 | |
13132 | gtk_tree_view_get_background_area (tree_view, path: tmp_path, column, |
13133 | rect: &cell); |
13134 | |
13135 | offset_into_row = cell_y; |
13136 | |
13137 | if (path) |
13138 | *path = tmp_path; |
13139 | else |
13140 | gtk_tree_path_free (path: tmp_path); |
13141 | |
13142 | tmp_path = NULL; |
13143 | |
13144 | fourth = cell.height / 4.0; |
13145 | |
13146 | if (pos) |
13147 | { |
13148 | if (offset_into_row < fourth) |
13149 | { |
13150 | *pos = GTK_TREE_VIEW_DROP_BEFORE; |
13151 | } |
13152 | else if (offset_into_row < (cell.height / 2.0)) |
13153 | { |
13154 | *pos = GTK_TREE_VIEW_DROP_INTO_OR_BEFORE; |
13155 | } |
13156 | else if (offset_into_row < cell.height - fourth) |
13157 | { |
13158 | *pos = GTK_TREE_VIEW_DROP_INTO_OR_AFTER; |
13159 | } |
13160 | else |
13161 | { |
13162 | *pos = GTK_TREE_VIEW_DROP_AFTER; |
13163 | } |
13164 | } |
13165 | |
13166 | return TRUE; |
13167 | } |
13168 | |
13169 | |
13170 | static void |
13171 | gtk_treeview_snapshot_border (GtkSnapshot *snapshot, |
13172 | const graphene_rect_t *rect) |
13173 | { |
13174 | GskRoundedRect rounded; |
13175 | |
13176 | gsk_rounded_rect_init_from_rect (self: &rounded, bounds: rect, radius: 0); |
13177 | |
13178 | #define BLACK { 0, 0, 0, 1 } |
13179 | gtk_snapshot_append_border (snapshot, |
13180 | outline: &rounded, |
13181 | border_width: (float[4]) { 1, 1, 1, 1 }, |
13182 | border_color: (GdkRGBA[4]) { BLACK, BLACK, BLACK, BLACK }); |
13183 | #undef BLACK |
13184 | } |
13185 | |
13186 | /* KEEP IN SYNC WITH GTK_TREE_VIEW_BIN_EXPOSE */ |
13187 | /** |
13188 | * gtk_tree_view_create_row_drag_icon: |
13189 | * @tree_view: a `GtkTreeView` |
13190 | * @path: a `GtkTreePath` in @tree_view |
13191 | * |
13192 | * Creates a `cairo_surface_t` representation of the row at @path. |
13193 | * This image is used for a drag icon. |
13194 | * |
13195 | * Returns: (transfer full) (nullable): a newly-allocated surface of the drag icon. |
13196 | **/ |
13197 | GdkPaintable * |
13198 | gtk_tree_view_create_row_drag_icon (GtkTreeView *tree_view, |
13199 | GtkTreePath *path) |
13200 | { |
13201 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13202 | GtkTreeIter iter; |
13203 | GtkTreeRBTree *tree; |
13204 | GtkTreeRBNode *node; |
13205 | GtkStyleContext *context; |
13206 | int cell_offset; |
13207 | GList *list; |
13208 | GdkRectangle background_area; |
13209 | GtkWidget *widget; |
13210 | GtkSnapshot *snapshot; |
13211 | GdkPaintable *paintable; |
13212 | int depth; |
13213 | /* start drawing inside the black outline */ |
13214 | int x = 1, y = 1; |
13215 | int bin_window_width; |
13216 | gboolean is_separator = FALSE; |
13217 | gboolean rtl; |
13218 | |
13219 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL); |
13220 | g_return_val_if_fail (path != NULL, NULL); |
13221 | |
13222 | widget = GTK_WIDGET (tree_view); |
13223 | |
13224 | if (!gtk_widget_get_realized (widget)) |
13225 | return NULL; |
13226 | |
13227 | depth = gtk_tree_path_get_depth (path); |
13228 | |
13229 | _gtk_tree_view_find_node (tree_view, |
13230 | path, |
13231 | tree: &tree, |
13232 | node: &node); |
13233 | |
13234 | if (tree == NULL) |
13235 | return NULL; |
13236 | |
13237 | if (!gtk_tree_model_get_iter (tree_model: priv->model, |
13238 | iter: &iter, |
13239 | path)) |
13240 | return NULL; |
13241 | |
13242 | context = gtk_widget_get_style_context (widget); |
13243 | |
13244 | is_separator = row_is_separator (tree_view, iter: &iter, NULL); |
13245 | |
13246 | cell_offset = x; |
13247 | |
13248 | background_area.y = y; |
13249 | background_area.height = gtk_tree_view_get_row_height (tree_view, node); |
13250 | |
13251 | bin_window_width = gtk_widget_get_width (GTK_WIDGET (tree_view)); |
13252 | |
13253 | snapshot = gtk_snapshot_new (); |
13254 | |
13255 | gtk_snapshot_render_background (snapshot, context, |
13256 | x: 0, y: 0, |
13257 | width: bin_window_width + 2, |
13258 | height: background_area.height + 2); |
13259 | |
13260 | rtl = gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL; |
13261 | |
13262 | for (list = (rtl ? g_list_last (list: priv->columns) : g_list_first (list: priv->columns)); |
13263 | list; |
13264 | list = (rtl ? list->prev : list->next)) |
13265 | { |
13266 | GtkTreeViewColumn *column = list->data; |
13267 | GdkRectangle cell_area; |
13268 | |
13269 | if (!gtk_tree_view_column_get_visible (tree_column: column)) |
13270 | continue; |
13271 | |
13272 | gtk_tree_view_column_cell_set_cell_data (tree_column: column, tree_model: priv->model, iter: &iter, |
13273 | GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_PARENT), |
13274 | is_expanded: node->children?TRUE:FALSE); |
13275 | |
13276 | background_area.x = cell_offset; |
13277 | background_area.width = gtk_tree_view_column_get_width (tree_column: column); |
13278 | |
13279 | cell_area = background_area; |
13280 | |
13281 | if (gtk_tree_view_is_expander_column (tree_view, column)) |
13282 | { |
13283 | if (!rtl) |
13284 | cell_area.x += (depth - 1) * priv->level_indentation; |
13285 | cell_area.width -= (depth - 1) * priv->level_indentation; |
13286 | |
13287 | if (gtk_tree_view_draw_expanders (tree_view)) |
13288 | { |
13289 | int expander_size = gtk_tree_view_get_expander_size (tree_view); |
13290 | if (!rtl) |
13291 | cell_area.x += depth * expander_size; |
13292 | cell_area.width -= depth * expander_size; |
13293 | } |
13294 | } |
13295 | |
13296 | if (gtk_tree_view_column_cell_is_visible (tree_column: column)) |
13297 | { |
13298 | if (is_separator) |
13299 | { |
13300 | GdkRGBA color; |
13301 | |
13302 | gtk_style_context_save (context); |
13303 | gtk_style_context_add_class (context, class_name: "separator" ); |
13304 | |
13305 | gtk_style_context_get_color (context, color: &color); |
13306 | gtk_snapshot_append_color (snapshot, |
13307 | color: &color, |
13308 | bounds: &GRAPHENE_RECT_INIT( |
13309 | cell_area.x, |
13310 | cell_area.y + cell_area.height / 2, |
13311 | cell_area.x + cell_area.width, |
13312 | 1 |
13313 | )); |
13314 | |
13315 | gtk_style_context_restore (context); |
13316 | } |
13317 | else |
13318 | { |
13319 | gtk_tree_view_column_cell_snapshot (tree_column: column, |
13320 | snapshot, |
13321 | background_area: &background_area, |
13322 | cell_area: &cell_area, |
13323 | flags: 0, FALSE); |
13324 | } |
13325 | } |
13326 | cell_offset += gtk_tree_view_column_get_width (tree_column: column); |
13327 | } |
13328 | |
13329 | gtk_treeview_snapshot_border (snapshot, |
13330 | rect: &GRAPHENE_RECT_INIT(0, 0, bin_window_width + 2, background_area.height + 2)); |
13331 | |
13332 | paintable = gtk_snapshot_free_to_paintable (snapshot, NULL); |
13333 | |
13334 | return paintable; |
13335 | } |
13336 | |
13337 | |
13338 | /* |
13339 | * Interactive search |
13340 | */ |
13341 | |
13342 | /** |
13343 | * gtk_tree_view_set_enable_search: |
13344 | * @tree_view: A `GtkTreeView` |
13345 | * @enable_search: %TRUE, if the user can search interactively |
13346 | * |
13347 | * If @enable_search is set, then the user can type in text to search through |
13348 | * the tree interactively (this is sometimes called "typeahead find"). |
13349 | * |
13350 | * Note that even if this is %FALSE, the user can still initiate a search |
13351 | * using the “start-interactive-search” key binding. |
13352 | */ |
13353 | void |
13354 | gtk_tree_view_set_enable_search (GtkTreeView *tree_view, |
13355 | gboolean enable_search) |
13356 | { |
13357 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13358 | |
13359 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
13360 | |
13361 | enable_search = !!enable_search; |
13362 | |
13363 | if (priv->enable_search != enable_search) |
13364 | { |
13365 | priv->enable_search = enable_search; |
13366 | g_object_notify_by_pspec (G_OBJECT (tree_view), pspec: tree_view_props[PROP_ENABLE_SEARCH]); |
13367 | } |
13368 | } |
13369 | |
13370 | /** |
13371 | * gtk_tree_view_get_enable_search: |
13372 | * @tree_view: A `GtkTreeView` |
13373 | * |
13374 | * Returns whether or not the tree allows to start interactive searching |
13375 | * by typing in text. |
13376 | * |
13377 | * Returns: whether or not to let the user search interactively |
13378 | */ |
13379 | gboolean |
13380 | gtk_tree_view_get_enable_search (GtkTreeView *tree_view) |
13381 | { |
13382 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13383 | |
13384 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); |
13385 | |
13386 | return priv->enable_search; |
13387 | } |
13388 | |
13389 | |
13390 | /** |
13391 | * gtk_tree_view_get_search_column: |
13392 | * @tree_view: A `GtkTreeView` |
13393 | * |
13394 | * Gets the column searched on by the interactive search code. |
13395 | * |
13396 | * Returns: the column the interactive search code searches in. |
13397 | */ |
13398 | int |
13399 | gtk_tree_view_get_search_column (GtkTreeView *tree_view) |
13400 | { |
13401 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13402 | |
13403 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1); |
13404 | |
13405 | return priv->search_column; |
13406 | } |
13407 | |
13408 | /** |
13409 | * gtk_tree_view_set_search_column: |
13410 | * @tree_view: A `GtkTreeView` |
13411 | * @column: the column of the model to search in, or -1 to disable searching |
13412 | * |
13413 | * Sets @column as the column where the interactive search code should |
13414 | * search in for the current model. |
13415 | * |
13416 | * If the search column is set, users can use the “start-interactive-search” |
13417 | * key binding to bring up search popup. The enable-search property controls |
13418 | * whether simply typing text will also start an interactive search. |
13419 | * |
13420 | * Note that @column refers to a column of the current model. The search |
13421 | * column is reset to -1 when the model is changed. |
13422 | */ |
13423 | void |
13424 | gtk_tree_view_set_search_column (GtkTreeView *tree_view, |
13425 | int column) |
13426 | { |
13427 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13428 | |
13429 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
13430 | g_return_if_fail (column >= -1); |
13431 | |
13432 | if (priv->search_column == column) |
13433 | return; |
13434 | |
13435 | priv->search_column = column; |
13436 | g_object_notify_by_pspec (G_OBJECT (tree_view), pspec: tree_view_props[PROP_SEARCH_COLUMN]); |
13437 | } |
13438 | |
13439 | /** |
13440 | * gtk_tree_view_get_search_equal_func: (skip) |
13441 | * @tree_view: A `GtkTreeView` |
13442 | * |
13443 | * Returns the compare function currently in use. |
13444 | * |
13445 | * Returns: the currently used compare function for the search code. |
13446 | */ |
13447 | |
13448 | GtkTreeViewSearchEqualFunc |
13449 | gtk_tree_view_get_search_equal_func (GtkTreeView *tree_view) |
13450 | { |
13451 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13452 | |
13453 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL); |
13454 | |
13455 | return priv->search_equal_func; |
13456 | } |
13457 | |
13458 | /** |
13459 | * gtk_tree_view_set_search_equal_func: |
13460 | * @tree_view: A `GtkTreeView` |
13461 | * @search_equal_func: the compare function to use during the search |
13462 | * @search_user_data: (nullable): user data to pass to @search_equal_func |
13463 | * @search_destroy: (nullable): Destroy notifier for @search_user_data |
13464 | * |
13465 | * Sets the compare function for the interactive search capabilities; note |
13466 | * that somewhat like strcmp() returning 0 for equality |
13467 | * `GtkTreeView`SearchEqualFunc returns %FALSE on matches. |
13468 | **/ |
13469 | void |
13470 | gtk_tree_view_set_search_equal_func (GtkTreeView *tree_view, |
13471 | GtkTreeViewSearchEqualFunc search_equal_func, |
13472 | gpointer search_user_data, |
13473 | GDestroyNotify search_destroy) |
13474 | { |
13475 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13476 | |
13477 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
13478 | g_return_if_fail (search_equal_func != NULL); |
13479 | |
13480 | if (priv->search_destroy) |
13481 | priv->search_destroy (priv->search_user_data); |
13482 | |
13483 | priv->search_equal_func = search_equal_func; |
13484 | priv->search_user_data = search_user_data; |
13485 | priv->search_destroy = search_destroy; |
13486 | if (priv->search_equal_func == NULL) |
13487 | priv->search_equal_func = gtk_tree_view_search_equal_func; |
13488 | } |
13489 | |
13490 | /** |
13491 | * gtk_tree_view_get_search_entry: |
13492 | * @tree_view: A `GtkTreeView` |
13493 | * |
13494 | * Returns the `GtkEntry` which is currently in use as interactive search |
13495 | * entry for @tree_view. In case the built-in entry is being used, %NULL |
13496 | * will be returned. |
13497 | * |
13498 | * Returns: (transfer none) (nullable): the entry currently in use as search entry. |
13499 | */ |
13500 | GtkEditable * |
13501 | gtk_tree_view_get_search_entry (GtkTreeView *tree_view) |
13502 | { |
13503 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13504 | |
13505 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL); |
13506 | |
13507 | if (priv->search_custom_entry_set) |
13508 | return GTK_EDITABLE (priv->search_entry); |
13509 | |
13510 | return NULL; |
13511 | } |
13512 | |
13513 | /** |
13514 | * gtk_tree_view_set_search_entry: |
13515 | * @tree_view: A `GtkTreeView` |
13516 | * @entry: (nullable): the entry the interactive search code of @tree_view should use |
13517 | * |
13518 | * Sets the entry which the interactive search code will use for this |
13519 | * @tree_view. This is useful when you want to provide a search entry |
13520 | * in our interface at all time at a fixed position. Passing %NULL for |
13521 | * @entry will make the interactive search code use the built-in popup |
13522 | * entry again. |
13523 | */ |
13524 | void |
13525 | gtk_tree_view_set_search_entry (GtkTreeView *tree_view, |
13526 | GtkEditable *entry) |
13527 | { |
13528 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13529 | |
13530 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
13531 | g_return_if_fail (entry == NULL || GTK_IS_ENTRY (entry) || GTK_IS_SEARCH_ENTRY (entry)); |
13532 | |
13533 | if (priv->search_custom_entry_set) |
13534 | { |
13535 | if (priv->search_entry_changed_id) |
13536 | { |
13537 | g_signal_handler_disconnect (instance: priv->search_entry, |
13538 | handler_id: priv->search_entry_changed_id); |
13539 | priv->search_entry_changed_id = 0; |
13540 | } |
13541 | |
13542 | g_signal_handlers_disconnect_by_func (gtk_entry_get_key_controller (GTK_ENTRY (priv->search_entry)), |
13543 | G_CALLBACK (gtk_tree_view_search_key_pressed), |
13544 | tree_view); |
13545 | |
13546 | g_object_unref (object: priv->search_entry); |
13547 | } |
13548 | else if (priv->search_popover) |
13549 | { |
13550 | gtk_tree_view_destroy_search_popover (tree_view); |
13551 | } |
13552 | |
13553 | if (entry) |
13554 | { |
13555 | GtkEventController *controller; |
13556 | |
13557 | priv->search_entry = GTK_WIDGET (g_object_ref (entry)); |
13558 | priv->search_custom_entry_set = TRUE; |
13559 | |
13560 | if (priv->search_entry_changed_id == 0) |
13561 | { |
13562 | priv->search_entry_changed_id = |
13563 | g_signal_connect (priv->search_entry, "changed" , |
13564 | G_CALLBACK (gtk_tree_view_search_init), |
13565 | tree_view); |
13566 | } |
13567 | |
13568 | if (GTK_IS_ENTRY (entry)) |
13569 | controller = gtk_entry_get_key_controller (GTK_ENTRY (entry)); |
13570 | else |
13571 | controller = gtk_search_entry_get_key_controller (GTK_SEARCH_ENTRY (entry)); |
13572 | g_signal_connect (controller, "key-pressed" , |
13573 | G_CALLBACK (gtk_tree_view_search_key_pressed), tree_view); |
13574 | |
13575 | gtk_tree_view_search_init (entry: priv->search_entry, tree_view); |
13576 | } |
13577 | else |
13578 | { |
13579 | priv->search_entry = NULL; |
13580 | priv->search_custom_entry_set = FALSE; |
13581 | } |
13582 | } |
13583 | |
13584 | static void |
13585 | gtk_tree_view_search_popover_hide (GtkWidget *search_popover, |
13586 | GtkTreeView *tree_view) |
13587 | { |
13588 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13589 | |
13590 | if (priv->disable_popdown) |
13591 | return; |
13592 | |
13593 | if (priv->search_entry_changed_id) |
13594 | { |
13595 | g_signal_handler_disconnect (instance: priv->search_entry, |
13596 | handler_id: priv->search_entry_changed_id); |
13597 | priv->search_entry_changed_id = 0; |
13598 | } |
13599 | if (priv->typeselect_flush_timeout) |
13600 | { |
13601 | g_source_remove (tag: priv->typeselect_flush_timeout); |
13602 | priv->typeselect_flush_timeout = 0; |
13603 | } |
13604 | |
13605 | if (gtk_widget_get_visible (widget: search_popover)) |
13606 | { |
13607 | gtk_popover_popdown (GTK_POPOVER (search_popover)); |
13608 | gtk_editable_set_text (GTK_EDITABLE (priv->search_entry), text: "" ); |
13609 | gtk_widget_grab_focus (GTK_WIDGET (tree_view)); |
13610 | } |
13611 | } |
13612 | |
13613 | /* Because we're visible but offscreen, we just set a flag in the preedit |
13614 | * callback. |
13615 | */ |
13616 | static void |
13617 | gtk_tree_view_search_preedit_changed (GtkText *text, |
13618 | const char *predit, |
13619 | GtkTreeView *tree_view) |
13620 | { |
13621 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13622 | |
13623 | priv->imcontext_changed = 1; |
13624 | if (priv->typeselect_flush_timeout) |
13625 | { |
13626 | g_source_remove (tag: priv->typeselect_flush_timeout); |
13627 | priv->typeselect_flush_timeout = |
13628 | g_timeout_add (GTK_TREE_VIEW_SEARCH_DIALOG_TIMEOUT, |
13629 | function: (GSourceFunc) gtk_tree_view_search_entry_flush_timeout, |
13630 | data: tree_view); |
13631 | gdk_source_set_static_name_by_id (tag: priv->typeselect_flush_timeout, name: "[gtk] gtk_tree_view_search_entry_flush_timeout" ); |
13632 | } |
13633 | |
13634 | } |
13635 | |
13636 | static void |
13637 | gtk_tree_view_search_changed (GtkEditable *editable, |
13638 | GtkTreeView *tree_view) |
13639 | { |
13640 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13641 | |
13642 | priv->imcontext_changed = 1; |
13643 | } |
13644 | |
13645 | static void |
13646 | gtk_tree_view_search_activate (GtkEntry *entry, |
13647 | GtkTreeView *tree_view) |
13648 | { |
13649 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13650 | GtkTreePath *path; |
13651 | |
13652 | gtk_tree_view_search_popover_hide (search_popover: priv->search_popover, tree_view); |
13653 | |
13654 | /* If we have a row selected and it's the cursor row, we activate |
13655 | * the row XXX */ |
13656 | if (priv->cursor_node && |
13657 | GTK_TREE_RBNODE_FLAG_SET (priv->cursor_node, GTK_TREE_RBNODE_IS_SELECTED)) |
13658 | { |
13659 | path = _gtk_tree_path_new_from_rbtree (tree: priv->cursor_tree, |
13660 | node: priv->cursor_node); |
13661 | |
13662 | gtk_tree_view_row_activated (tree_view, path, column: priv->focus_column); |
13663 | |
13664 | gtk_tree_path_free (path); |
13665 | } |
13666 | } |
13667 | |
13668 | static void |
13669 | gtk_tree_view_search_pressed_cb (GtkGesture *gesture, |
13670 | int n_press, |
13671 | double x, |
13672 | double y, |
13673 | GtkTreeView *tree_view) |
13674 | { |
13675 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13676 | |
13677 | gtk_tree_view_search_popover_hide (search_popover: priv->search_popover, tree_view); |
13678 | } |
13679 | |
13680 | static gboolean |
13681 | gtk_tree_view_search_scroll_event (GtkWidget *widget, |
13682 | double dx, |
13683 | double dy, |
13684 | GtkTreeView *tree_view) |
13685 | { |
13686 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13687 | GdkScrollDirection direction; |
13688 | |
13689 | direction = dy > 0 ? GDK_SCROLL_DOWN : GDK_SCROLL_UP; |
13690 | |
13691 | if (direction == GDK_SCROLL_UP) |
13692 | gtk_tree_view_search_move (window: widget, tree_view, TRUE); |
13693 | else if (direction == GDK_SCROLL_DOWN) |
13694 | gtk_tree_view_search_move (window: widget, tree_view, FALSE); |
13695 | |
13696 | /* renew the flush timeout */ |
13697 | if (priv->typeselect_flush_timeout && |
13698 | !priv->search_custom_entry_set) |
13699 | { |
13700 | g_source_remove (tag: priv->typeselect_flush_timeout); |
13701 | priv->typeselect_flush_timeout = |
13702 | g_timeout_add (GTK_TREE_VIEW_SEARCH_DIALOG_TIMEOUT, |
13703 | function: (GSourceFunc) gtk_tree_view_search_entry_flush_timeout, |
13704 | data: tree_view); |
13705 | gdk_source_set_static_name_by_id (tag: priv->typeselect_flush_timeout, name: "[gtk] gtk_tree_view_search_entry_flush_timeout" ); |
13706 | } |
13707 | |
13708 | return GDK_EVENT_STOP; |
13709 | } |
13710 | |
13711 | static gboolean |
13712 | gtk_tree_view_search_key_pressed (GtkEventControllerKey *key, |
13713 | guint keyval, |
13714 | guint keycode, |
13715 | GdkModifierType state, |
13716 | GtkTreeView *tree_view) |
13717 | { |
13718 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13719 | GtkWidget *widget = priv->search_entry; |
13720 | GdkModifierType default_accel; |
13721 | gboolean retval = FALSE; |
13722 | |
13723 | g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE); |
13724 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); |
13725 | |
13726 | /* close window and cancel the search */ |
13727 | if (!priv->search_custom_entry_set |
13728 | && gtk_tree_view_search_key_cancels_search (keyval)) |
13729 | { |
13730 | gtk_tree_view_search_popover_hide (search_popover: priv->search_popover, tree_view); |
13731 | return TRUE; |
13732 | } |
13733 | |
13734 | default_accel = GDK_CONTROL_MASK; |
13735 | |
13736 | /* select previous matching iter */ |
13737 | if (keyval == GDK_KEY_Up || keyval == GDK_KEY_KP_Up) |
13738 | { |
13739 | if (!gtk_tree_view_search_move (window: widget, tree_view, TRUE)) |
13740 | gtk_widget_error_bell (widget); |
13741 | |
13742 | retval = TRUE; |
13743 | } |
13744 | |
13745 | if (((state & (default_accel | GDK_SHIFT_MASK)) == (default_accel | GDK_SHIFT_MASK)) |
13746 | && (keyval == GDK_KEY_g || keyval == GDK_KEY_G)) |
13747 | { |
13748 | if (!gtk_tree_view_search_move (window: widget, tree_view, TRUE)) |
13749 | gtk_widget_error_bell (widget); |
13750 | |
13751 | retval = TRUE; |
13752 | } |
13753 | |
13754 | /* select next matching iter */ |
13755 | if (keyval == GDK_KEY_Down || keyval == GDK_KEY_KP_Down) |
13756 | { |
13757 | if (!gtk_tree_view_search_move (window: widget, tree_view, FALSE)) |
13758 | gtk_widget_error_bell (widget); |
13759 | |
13760 | retval = TRUE; |
13761 | } |
13762 | |
13763 | if (((state & (default_accel | GDK_SHIFT_MASK)) == default_accel) |
13764 | && (keyval == GDK_KEY_g || keyval == GDK_KEY_G)) |
13765 | { |
13766 | if (!gtk_tree_view_search_move (window: widget, tree_view, FALSE)) |
13767 | gtk_widget_error_bell (widget); |
13768 | |
13769 | retval = TRUE; |
13770 | } |
13771 | |
13772 | /* renew the flush timeout */ |
13773 | if (retval && priv->typeselect_flush_timeout |
13774 | && !priv->search_custom_entry_set) |
13775 | { |
13776 | g_source_remove (tag: priv->typeselect_flush_timeout); |
13777 | priv->typeselect_flush_timeout = |
13778 | g_timeout_add (GTK_TREE_VIEW_SEARCH_DIALOG_TIMEOUT, |
13779 | function: (GSourceFunc) gtk_tree_view_search_entry_flush_timeout, |
13780 | data: tree_view); |
13781 | gdk_source_set_static_name_by_id (tag: priv->typeselect_flush_timeout, name: "[gtk] gtk_tree_view_search_entry_flush_timeout" ); |
13782 | } |
13783 | |
13784 | if (!retval) |
13785 | gtk_event_controller_key_forward (controller: key, widget: priv->search_entry); |
13786 | |
13787 | return retval; |
13788 | } |
13789 | |
13790 | /* this function returns FALSE if there is a search string but |
13791 | * nothing was found, and TRUE otherwise. |
13792 | */ |
13793 | static gboolean |
13794 | gtk_tree_view_search_move (GtkWidget *popover, |
13795 | GtkTreeView *tree_view, |
13796 | gboolean up) |
13797 | { |
13798 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13799 | gboolean ret; |
13800 | int len; |
13801 | int count = 0; |
13802 | const char *text; |
13803 | GtkTreeIter iter; |
13804 | GtkTreeModel *model; |
13805 | GtkTreeSelection *selection; |
13806 | |
13807 | text = gtk_editable_get_text (GTK_EDITABLE (priv->search_entry)); |
13808 | |
13809 | g_return_val_if_fail (text != NULL, FALSE); |
13810 | |
13811 | len = strlen (s: text); |
13812 | |
13813 | if (up && priv->selected_iter == 1) |
13814 | return len < 1; |
13815 | |
13816 | if (len < 1) |
13817 | return TRUE; |
13818 | |
13819 | model = gtk_tree_view_get_model (tree_view); |
13820 | selection = gtk_tree_view_get_selection (tree_view); |
13821 | |
13822 | /* search */ |
13823 | gtk_tree_selection_unselect_all (selection); |
13824 | if (!gtk_tree_model_get_iter_first (tree_model: model, iter: &iter)) |
13825 | return TRUE; |
13826 | |
13827 | ret = gtk_tree_view_search_iter (model, selection, iter: &iter, text, |
13828 | count: &count, n: up?((priv->selected_iter) - 1):((priv->selected_iter + 1))); |
13829 | |
13830 | if (ret) |
13831 | { |
13832 | /* found */ |
13833 | priv->selected_iter += up?(-1):(1); |
13834 | return TRUE; |
13835 | } |
13836 | else |
13837 | { |
13838 | /* return to old iter */ |
13839 | count = 0; |
13840 | gtk_tree_model_get_iter_first (tree_model: model, iter: &iter); |
13841 | gtk_tree_view_search_iter (model, selection, |
13842 | iter: &iter, text, |
13843 | count: &count, n: priv->selected_iter); |
13844 | return FALSE; |
13845 | } |
13846 | } |
13847 | |
13848 | static gboolean |
13849 | gtk_tree_view_search_equal_func (GtkTreeModel *model, |
13850 | int column, |
13851 | const char *key, |
13852 | GtkTreeIter *iter, |
13853 | gpointer search_data) |
13854 | { |
13855 | gboolean retval = TRUE; |
13856 | const char *str; |
13857 | char *normalized_string; |
13858 | char *normalized_key; |
13859 | char *case_normalized_string = NULL; |
13860 | char *case_normalized_key = NULL; |
13861 | GValue value = G_VALUE_INIT; |
13862 | GValue transformed = G_VALUE_INIT; |
13863 | |
13864 | gtk_tree_model_get_value (tree_model: model, iter, column, value: &value); |
13865 | |
13866 | g_value_init (value: &transformed, G_TYPE_STRING); |
13867 | |
13868 | if (!g_value_transform (src_value: &value, dest_value: &transformed)) |
13869 | { |
13870 | g_value_unset (value: &value); |
13871 | return TRUE; |
13872 | } |
13873 | |
13874 | g_value_unset (value: &value); |
13875 | |
13876 | str = g_value_get_string (value: &transformed); |
13877 | if (!str) |
13878 | { |
13879 | g_value_unset (value: &transformed); |
13880 | return TRUE; |
13881 | } |
13882 | |
13883 | normalized_string = g_utf8_normalize (str, len: -1, mode: G_NORMALIZE_ALL); |
13884 | normalized_key = g_utf8_normalize (str: key, len: -1, mode: G_NORMALIZE_ALL); |
13885 | |
13886 | if (normalized_string && normalized_key) |
13887 | { |
13888 | case_normalized_string = g_utf8_casefold (str: normalized_string, len: -1); |
13889 | case_normalized_key = g_utf8_casefold (str: normalized_key, len: -1); |
13890 | |
13891 | if (strncmp (s1: case_normalized_key, s2: case_normalized_string, n: strlen (s: case_normalized_key)) == 0) |
13892 | retval = FALSE; |
13893 | } |
13894 | |
13895 | g_value_unset (value: &transformed); |
13896 | g_free (mem: normalized_key); |
13897 | g_free (mem: normalized_string); |
13898 | g_free (mem: case_normalized_key); |
13899 | g_free (mem: case_normalized_string); |
13900 | |
13901 | return retval; |
13902 | } |
13903 | |
13904 | static gboolean |
13905 | gtk_tree_view_search_iter (GtkTreeModel *model, |
13906 | GtkTreeSelection *selection, |
13907 | GtkTreeIter *iter, |
13908 | const char *text, |
13909 | int *count, |
13910 | int n) |
13911 | { |
13912 | GtkTreeRBTree *tree = NULL; |
13913 | GtkTreeRBNode *node = NULL; |
13914 | GtkTreePath *path; |
13915 | |
13916 | GtkTreeView *tree_view = gtk_tree_selection_get_tree_view (selection); |
13917 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
13918 | |
13919 | path = gtk_tree_model_get_path (tree_model: model, iter); |
13920 | _gtk_tree_view_find_node (tree_view, path, tree: &tree, node: &node); |
13921 | |
13922 | do |
13923 | { |
13924 | if (! priv->search_equal_func (model, priv->search_column, text, iter, priv->search_user_data)) |
13925 | { |
13926 | (*count)++; |
13927 | if (*count == n) |
13928 | { |
13929 | gtk_tree_view_scroll_to_cell (tree_view, path, NULL, |
13930 | TRUE, row_align: 0.5, col_align: 0.0); |
13931 | gtk_tree_selection_select_iter (selection, iter); |
13932 | gtk_tree_view_real_set_cursor (tree_view, path, flags: CLAMP_NODE); |
13933 | |
13934 | if (path) |
13935 | gtk_tree_path_free (path); |
13936 | |
13937 | return TRUE; |
13938 | } |
13939 | } |
13940 | |
13941 | if (node->children) |
13942 | { |
13943 | gboolean has_child; |
13944 | GtkTreeIter tmp; |
13945 | |
13946 | tree = node->children; |
13947 | node = gtk_tree_rbtree_first (tree); |
13948 | |
13949 | tmp = *iter; |
13950 | has_child = gtk_tree_model_iter_children (tree_model: model, iter, parent: &tmp); |
13951 | gtk_tree_path_down (path); |
13952 | |
13953 | /* sanity check */ |
13954 | TREE_VIEW_INTERNAL_ASSERT (has_child, FALSE); |
13955 | } |
13956 | else |
13957 | { |
13958 | gboolean done = FALSE; |
13959 | |
13960 | do |
13961 | { |
13962 | node = gtk_tree_rbtree_next (tree, node); |
13963 | |
13964 | if (node) |
13965 | { |
13966 | gboolean has_next; |
13967 | |
13968 | has_next = gtk_tree_model_iter_next (tree_model: model, iter); |
13969 | |
13970 | done = TRUE; |
13971 | gtk_tree_path_next (path); |
13972 | |
13973 | /* sanity check */ |
13974 | TREE_VIEW_INTERNAL_ASSERT (has_next, FALSE); |
13975 | } |
13976 | else |
13977 | { |
13978 | gboolean has_parent; |
13979 | GtkTreeIter tmp_iter = *iter; |
13980 | |
13981 | node = tree->parent_node; |
13982 | tree = tree->parent_tree; |
13983 | |
13984 | if (!tree) |
13985 | { |
13986 | if (path) |
13987 | gtk_tree_path_free (path); |
13988 | |
13989 | /* we've run out of tree, done with this func */ |
13990 | return FALSE; |
13991 | } |
13992 | |
13993 | has_parent = gtk_tree_model_iter_parent (tree_model: model, |
13994 | iter, |
13995 | child: &tmp_iter); |
13996 | gtk_tree_path_up (path); |
13997 | |
13998 | /* sanity check */ |
13999 | TREE_VIEW_INTERNAL_ASSERT (has_parent, FALSE); |
14000 | } |
14001 | } |
14002 | while (!done); |
14003 | } |
14004 | } |
14005 | while (1); |
14006 | |
14007 | return FALSE; |
14008 | } |
14009 | |
14010 | static void |
14011 | gtk_tree_view_search_init (GtkWidget *entry, |
14012 | GtkTreeView *tree_view) |
14013 | { |
14014 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14015 | int ret; |
14016 | int count = 0; |
14017 | const char *text; |
14018 | GtkTreeIter iter; |
14019 | GtkTreeModel *model; |
14020 | GtkTreeSelection *selection; |
14021 | |
14022 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
14023 | |
14024 | text = gtk_editable_get_text (GTK_EDITABLE (entry)); |
14025 | |
14026 | model = gtk_tree_view_get_model (tree_view); |
14027 | selection = gtk_tree_view_get_selection (tree_view); |
14028 | |
14029 | /* search */ |
14030 | gtk_tree_selection_unselect_all (selection); |
14031 | if (priv->typeselect_flush_timeout |
14032 | && !priv->search_custom_entry_set) |
14033 | { |
14034 | g_source_remove (tag: priv->typeselect_flush_timeout); |
14035 | priv->typeselect_flush_timeout = |
14036 | g_timeout_add (GTK_TREE_VIEW_SEARCH_DIALOG_TIMEOUT, |
14037 | function: (GSourceFunc) gtk_tree_view_search_entry_flush_timeout, |
14038 | data: tree_view); |
14039 | gdk_source_set_static_name_by_id (tag: priv->typeselect_flush_timeout, name: "[gtk] gtk_tree_view_search_entry_flush_timeout" ); |
14040 | } |
14041 | |
14042 | if (*text == '\0') |
14043 | return; |
14044 | |
14045 | if (!gtk_tree_model_get_iter_first (tree_model: model, iter: &iter)) |
14046 | return; |
14047 | |
14048 | ret = gtk_tree_view_search_iter (model, selection, |
14049 | iter: &iter, text, |
14050 | count: &count, n: 1); |
14051 | |
14052 | if (ret) |
14053 | priv->selected_iter = 1; |
14054 | } |
14055 | |
14056 | void |
14057 | _gtk_tree_view_remove_editable (GtkTreeView *tree_view, |
14058 | GtkTreeViewColumn *column, |
14059 | GtkCellEditable *cell_editable) |
14060 | { |
14061 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14062 | |
14063 | if (priv->edited_column == NULL) |
14064 | return; |
14065 | |
14066 | g_return_if_fail (column == priv->edited_column); |
14067 | |
14068 | priv->edited_column = NULL; |
14069 | |
14070 | if (gtk_widget_has_focus (GTK_WIDGET (cell_editable))) |
14071 | gtk_widget_grab_focus (GTK_WIDGET (tree_view)); |
14072 | |
14073 | gtk_tree_view_remove (tree_view, GTK_WIDGET (cell_editable)); |
14074 | |
14075 | /* FIXME should only redraw a single node */ |
14076 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
14077 | } |
14078 | |
14079 | static gboolean |
14080 | gtk_tree_view_start_editing (GtkTreeView *tree_view, |
14081 | GtkTreePath *cursor_path, |
14082 | gboolean edit_only) |
14083 | { |
14084 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14085 | GtkTreeIter iter; |
14086 | GdkRectangle cell_area; |
14087 | GtkTreeViewColumn *focus_column; |
14088 | guint flags = 0; /* can be 0, as the flags are primarily for rendering */ |
14089 | int retval = FALSE; |
14090 | GtkTreeRBTree *cursor_tree; |
14091 | GtkTreeRBNode *cursor_node; |
14092 | |
14093 | g_assert (priv->focus_column); |
14094 | focus_column = priv->focus_column; |
14095 | |
14096 | if (!gtk_widget_get_realized (GTK_WIDGET (tree_view))) |
14097 | return FALSE; |
14098 | |
14099 | if (_gtk_tree_view_find_node (tree_view, path: cursor_path, tree: &cursor_tree, node: &cursor_node) || |
14100 | cursor_node == NULL) |
14101 | return FALSE; |
14102 | |
14103 | gtk_tree_model_get_iter (tree_model: priv->model, iter: &iter, path: cursor_path); |
14104 | |
14105 | validate_row (tree_view, tree: cursor_tree, node: cursor_node, iter: &iter, path: cursor_path); |
14106 | |
14107 | gtk_tree_view_column_cell_set_cell_data (tree_column: focus_column, |
14108 | tree_model: priv->model, |
14109 | iter: &iter, |
14110 | GTK_TREE_RBNODE_FLAG_SET (cursor_node, GTK_TREE_RBNODE_IS_PARENT), |
14111 | is_expanded: cursor_node->children ? TRUE : FALSE); |
14112 | gtk_tree_view_get_cell_area (tree_view, |
14113 | path: cursor_path, |
14114 | column: focus_column, |
14115 | rect: &cell_area); |
14116 | |
14117 | if (gtk_cell_area_activate (area: gtk_cell_layout_get_area (GTK_CELL_LAYOUT (focus_column)), |
14118 | context: _gtk_tree_view_column_get_context (column: focus_column), |
14119 | GTK_WIDGET (tree_view), |
14120 | cell_area: &cell_area, |
14121 | flags, edit_only)) |
14122 | retval = TRUE; |
14123 | |
14124 | return retval; |
14125 | } |
14126 | |
14127 | void |
14128 | _gtk_tree_view_add_editable (GtkTreeView *tree_view, |
14129 | GtkTreeViewColumn *column, |
14130 | GtkTreePath *path, |
14131 | GtkCellEditable *cell_editable, |
14132 | GdkRectangle *cell_area) |
14133 | { |
14134 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14135 | GdkRectangle full_area; |
14136 | GtkBorder border; |
14137 | |
14138 | priv->edited_column = column; |
14139 | |
14140 | gtk_tree_view_real_set_cursor (tree_view, path, flags: CLAMP_NODE); |
14141 | |
14142 | priv->draw_keyfocus = TRUE; |
14143 | |
14144 | gtk_tree_view_get_cell_area (tree_view, path, column, rect: &full_area); |
14145 | border.left = cell_area->x - full_area.x; |
14146 | border.top = cell_area->y - full_area.y; |
14147 | border.right = (full_area.x + full_area.width) - (cell_area->x + cell_area->width); |
14148 | border.bottom = (full_area.y + full_area.height) - (cell_area->y + cell_area->height); |
14149 | |
14150 | gtk_tree_view_put (tree_view, |
14151 | GTK_WIDGET (cell_editable), |
14152 | path, |
14153 | column, |
14154 | border: &border); |
14155 | } |
14156 | |
14157 | static void |
14158 | gtk_tree_view_stop_editing (GtkTreeView *tree_view, |
14159 | gboolean cancel_editing) |
14160 | { |
14161 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14162 | GtkTreeViewColumn *column; |
14163 | |
14164 | if (priv->edited_column == NULL) |
14165 | return; |
14166 | |
14167 | /* |
14168 | * This is very evil. We need to do this, because |
14169 | * gtk_cell_editable_editing_done may trigger gtk_tree_view_row_changed |
14170 | * later on. If gtk_tree_view_row_changed notices |
14171 | * priv->edited_column != NULL, it'll call |
14172 | * gtk_tree_view_stop_editing again. Bad things will happen then. |
14173 | * |
14174 | * Please read that again if you intend to modify anything here. |
14175 | */ |
14176 | |
14177 | column = priv->edited_column; |
14178 | gtk_cell_area_stop_editing (area: gtk_cell_layout_get_area (GTK_CELL_LAYOUT (column)), canceled: cancel_editing); |
14179 | priv->edited_column = NULL; |
14180 | } |
14181 | |
14182 | |
14183 | /** |
14184 | * gtk_tree_view_set_hover_selection: |
14185 | * @tree_view: a `GtkTreeView` |
14186 | * @hover: %TRUE to enable hover selection mode |
14187 | * |
14188 | * Enables or disables the hover selection mode of @tree_view. |
14189 | * Hover selection makes the selected row follow the pointer. |
14190 | * Currently, this works only for the selection modes |
14191 | * %GTK_SELECTION_SINGLE and %GTK_SELECTION_BROWSE. |
14192 | **/ |
14193 | void |
14194 | gtk_tree_view_set_hover_selection (GtkTreeView *tree_view, |
14195 | gboolean hover) |
14196 | { |
14197 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14198 | |
14199 | hover = hover != FALSE; |
14200 | |
14201 | if (hover != priv->hover_selection) |
14202 | { |
14203 | priv->hover_selection = hover; |
14204 | |
14205 | g_object_notify_by_pspec (G_OBJECT (tree_view), pspec: tree_view_props[PROP_HOVER_SELECTION]); |
14206 | } |
14207 | } |
14208 | |
14209 | /** |
14210 | * gtk_tree_view_get_hover_selection: |
14211 | * @tree_view: a `GtkTreeView` |
14212 | * |
14213 | * Returns whether hover selection mode is turned on for @tree_view. |
14214 | * |
14215 | * Returns: %TRUE if @tree_view is in hover selection mode |
14216 | **/ |
14217 | gboolean |
14218 | gtk_tree_view_get_hover_selection (GtkTreeView *tree_view) |
14219 | { |
14220 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14221 | |
14222 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); |
14223 | |
14224 | return priv->hover_selection; |
14225 | } |
14226 | |
14227 | /** |
14228 | * gtk_tree_view_set_hover_expand: |
14229 | * @tree_view: a `GtkTreeView` |
14230 | * @expand: %TRUE to enable hover selection mode |
14231 | * |
14232 | * Enables or disables the hover expansion mode of @tree_view. |
14233 | * Hover expansion makes rows expand or collapse if the pointer |
14234 | * moves over them. |
14235 | **/ |
14236 | void |
14237 | gtk_tree_view_set_hover_expand (GtkTreeView *tree_view, |
14238 | gboolean expand) |
14239 | { |
14240 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14241 | |
14242 | expand = expand != FALSE; |
14243 | |
14244 | if (expand != priv->hover_expand) |
14245 | { |
14246 | priv->hover_expand = expand; |
14247 | |
14248 | g_object_notify_by_pspec (G_OBJECT (tree_view), pspec: tree_view_props[PROP_HOVER_EXPAND]); |
14249 | } |
14250 | } |
14251 | |
14252 | /** |
14253 | * gtk_tree_view_get_hover_expand: |
14254 | * @tree_view: a `GtkTreeView` |
14255 | * |
14256 | * Returns whether hover expansion mode is turned on for @tree_view. |
14257 | * |
14258 | * Returns: %TRUE if @tree_view is in hover expansion mode |
14259 | **/ |
14260 | gboolean |
14261 | gtk_tree_view_get_hover_expand (GtkTreeView *tree_view) |
14262 | { |
14263 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14264 | |
14265 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); |
14266 | |
14267 | return priv->hover_expand; |
14268 | } |
14269 | |
14270 | /** |
14271 | * gtk_tree_view_set_rubber_banding: |
14272 | * @tree_view: a `GtkTreeView` |
14273 | * @enable: %TRUE to enable rubber banding |
14274 | * |
14275 | * Enables or disables rubber banding in @tree_view. If the selection mode |
14276 | * is %GTK_SELECTION_MULTIPLE, rubber banding will allow the user to select |
14277 | * multiple rows by dragging the mouse. |
14278 | **/ |
14279 | void |
14280 | gtk_tree_view_set_rubber_banding (GtkTreeView *tree_view, |
14281 | gboolean enable) |
14282 | { |
14283 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14284 | |
14285 | enable = enable != FALSE; |
14286 | |
14287 | if (enable != priv->rubber_banding_enable) |
14288 | { |
14289 | priv->rubber_banding_enable = enable; |
14290 | |
14291 | g_object_notify_by_pspec (G_OBJECT (tree_view), pspec: tree_view_props[PROP_RUBBER_BANDING]); |
14292 | } |
14293 | } |
14294 | |
14295 | /** |
14296 | * gtk_tree_view_get_rubber_banding: |
14297 | * @tree_view: a `GtkTreeView` |
14298 | * |
14299 | * Returns whether rubber banding is turned on for @tree_view. If the |
14300 | * selection mode is %GTK_SELECTION_MULTIPLE, rubber banding will allow the |
14301 | * user to select multiple rows by dragging the mouse. |
14302 | * |
14303 | * Returns: %TRUE if rubber banding in @tree_view is enabled. |
14304 | **/ |
14305 | gboolean |
14306 | gtk_tree_view_get_rubber_banding (GtkTreeView *tree_view) |
14307 | { |
14308 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14309 | |
14310 | return priv->rubber_banding_enable; |
14311 | } |
14312 | |
14313 | /** |
14314 | * gtk_tree_view_is_rubber_banding_active: |
14315 | * @tree_view: a `GtkTreeView` |
14316 | * |
14317 | * Returns whether a rubber banding operation is currently being done |
14318 | * in @tree_view. |
14319 | * |
14320 | * Returns: %TRUE if a rubber banding operation is currently being |
14321 | * done in @tree_view. |
14322 | **/ |
14323 | gboolean |
14324 | gtk_tree_view_is_rubber_banding_active (GtkTreeView *tree_view) |
14325 | { |
14326 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14327 | |
14328 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); |
14329 | |
14330 | if (priv->rubber_banding_enable |
14331 | && priv->rubber_band_status == RUBBER_BAND_ACTIVE) |
14332 | return TRUE; |
14333 | |
14334 | return FALSE; |
14335 | } |
14336 | |
14337 | /** |
14338 | * gtk_tree_view_get_row_separator_func: (skip) |
14339 | * @tree_view: a `GtkTreeView` |
14340 | * |
14341 | * Returns the current row separator function. |
14342 | * |
14343 | * Returns: the current row separator function. |
14344 | **/ |
14345 | GtkTreeViewRowSeparatorFunc |
14346 | gtk_tree_view_get_row_separator_func (GtkTreeView *tree_view) |
14347 | { |
14348 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14349 | |
14350 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL); |
14351 | |
14352 | return priv->row_separator_func; |
14353 | } |
14354 | |
14355 | /** |
14356 | * gtk_tree_view_set_row_separator_func: |
14357 | * @tree_view: a `GtkTreeView` |
14358 | * @func: (nullable): a `GtkTreeView`RowSeparatorFunc |
14359 | * @data: (nullable): user data to pass to @func |
14360 | * @destroy: (nullable): destroy notifier for @data |
14361 | * |
14362 | * Sets the row separator function, which is used to determine |
14363 | * whether a row should be drawn as a separator. If the row separator |
14364 | * function is %NULL, no separators are drawn. This is the default value. |
14365 | **/ |
14366 | void |
14367 | gtk_tree_view_set_row_separator_func (GtkTreeView *tree_view, |
14368 | GtkTreeViewRowSeparatorFunc func, |
14369 | gpointer data, |
14370 | GDestroyNotify destroy) |
14371 | { |
14372 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14373 | |
14374 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
14375 | |
14376 | if (priv->row_separator_destroy) |
14377 | priv->row_separator_destroy (priv->row_separator_data); |
14378 | |
14379 | priv->row_separator_func = func; |
14380 | priv->row_separator_data = data; |
14381 | priv->row_separator_destroy = destroy; |
14382 | |
14383 | /* Have the tree recalculate heights */ |
14384 | gtk_tree_rbtree_mark_invalid (tree: priv->tree); |
14385 | gtk_widget_queue_resize (GTK_WIDGET (tree_view)); |
14386 | } |
14387 | |
14388 | /** |
14389 | * gtk_tree_view_get_grid_lines: |
14390 | * @tree_view: a `GtkTreeView` |
14391 | * |
14392 | * Returns which grid lines are enabled in @tree_view. |
14393 | * |
14394 | * Returns: a `GtkTreeView`GridLines value indicating which grid lines |
14395 | * are enabled. |
14396 | */ |
14397 | GtkTreeViewGridLines |
14398 | gtk_tree_view_get_grid_lines (GtkTreeView *tree_view) |
14399 | { |
14400 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14401 | |
14402 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), 0); |
14403 | |
14404 | return priv->grid_lines; |
14405 | } |
14406 | |
14407 | /** |
14408 | * gtk_tree_view_set_grid_lines: |
14409 | * @tree_view: a `GtkTreeView` |
14410 | * @grid_lines: a `GtkTreeView`GridLines value indicating which grid lines to |
14411 | * enable. |
14412 | * |
14413 | * Sets which grid lines to draw in @tree_view. |
14414 | */ |
14415 | void |
14416 | gtk_tree_view_set_grid_lines (GtkTreeView *tree_view, |
14417 | GtkTreeViewGridLines grid_lines) |
14418 | { |
14419 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14420 | GtkTreeViewGridLines old_grid_lines; |
14421 | |
14422 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
14423 | |
14424 | old_grid_lines = priv->grid_lines; |
14425 | priv->grid_lines = grid_lines; |
14426 | |
14427 | if (old_grid_lines != grid_lines) |
14428 | { |
14429 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
14430 | |
14431 | g_object_notify_by_pspec (G_OBJECT (tree_view), pspec: tree_view_props[PROP_ENABLE_GRID_LINES]); |
14432 | } |
14433 | } |
14434 | |
14435 | /** |
14436 | * gtk_tree_view_get_enable_tree_lines: |
14437 | * @tree_view: a `GtkTreeView`. |
14438 | * |
14439 | * Returns whether or not tree lines are drawn in @tree_view. |
14440 | * |
14441 | * Returns: %TRUE if tree lines are drawn in @tree_view, %FALSE |
14442 | * otherwise. |
14443 | */ |
14444 | gboolean |
14445 | gtk_tree_view_get_enable_tree_lines (GtkTreeView *tree_view) |
14446 | { |
14447 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14448 | |
14449 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); |
14450 | |
14451 | return priv->tree_lines_enabled; |
14452 | } |
14453 | |
14454 | /** |
14455 | * gtk_tree_view_set_enable_tree_lines: |
14456 | * @tree_view: a `GtkTreeView` |
14457 | * @enabled: %TRUE to enable tree line drawing, %FALSE otherwise. |
14458 | * |
14459 | * Sets whether to draw lines interconnecting the expanders in @tree_view. |
14460 | * This does not have any visible effects for lists. |
14461 | */ |
14462 | void |
14463 | gtk_tree_view_set_enable_tree_lines (GtkTreeView *tree_view, |
14464 | gboolean enabled) |
14465 | { |
14466 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14467 | gboolean was_enabled; |
14468 | |
14469 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
14470 | |
14471 | enabled = enabled != FALSE; |
14472 | |
14473 | was_enabled = priv->tree_lines_enabled; |
14474 | |
14475 | priv->tree_lines_enabled = enabled; |
14476 | |
14477 | if (was_enabled != enabled) |
14478 | { |
14479 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
14480 | |
14481 | g_object_notify_by_pspec (G_OBJECT (tree_view), pspec: tree_view_props[PROP_ENABLE_TREE_LINES]); |
14482 | } |
14483 | } |
14484 | |
14485 | |
14486 | /** |
14487 | * gtk_tree_view_set_show_expanders: |
14488 | * @tree_view: a `GtkTreeView` |
14489 | * @enabled: %TRUE to enable expander drawing, %FALSE otherwise. |
14490 | * |
14491 | * Sets whether to draw and enable expanders and indent child rows in |
14492 | * @tree_view. When disabled there will be no expanders visible in trees |
14493 | * and there will be no way to expand and collapse rows by default. Also |
14494 | * note that hiding the expanders will disable the default indentation. You |
14495 | * can set a custom indentation in this case using |
14496 | * gtk_tree_view_set_level_indentation(). |
14497 | * This does not have any visible effects for lists. |
14498 | */ |
14499 | void |
14500 | gtk_tree_view_set_show_expanders (GtkTreeView *tree_view, |
14501 | gboolean enabled) |
14502 | { |
14503 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14504 | |
14505 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
14506 | |
14507 | enabled = enabled != FALSE; |
14508 | if (priv->show_expanders != enabled) |
14509 | { |
14510 | priv->show_expanders = enabled; |
14511 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
14512 | g_object_notify_by_pspec (G_OBJECT (tree_view), pspec: tree_view_props[PROP_SHOW_EXPANDERS]); |
14513 | } |
14514 | } |
14515 | |
14516 | /** |
14517 | * gtk_tree_view_get_show_expanders: |
14518 | * @tree_view: a `GtkTreeView`. |
14519 | * |
14520 | * Returns whether or not expanders are drawn in @tree_view. |
14521 | * |
14522 | * Returns: %TRUE if expanders are drawn in @tree_view, %FALSE |
14523 | * otherwise. |
14524 | */ |
14525 | gboolean |
14526 | gtk_tree_view_get_show_expanders (GtkTreeView *tree_view) |
14527 | { |
14528 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14529 | |
14530 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); |
14531 | |
14532 | return priv->show_expanders; |
14533 | } |
14534 | |
14535 | /** |
14536 | * gtk_tree_view_set_level_indentation: |
14537 | * @tree_view: a `GtkTreeView` |
14538 | * @indentation: the amount, in pixels, of extra indentation in @tree_view. |
14539 | * |
14540 | * Sets the amount of extra indentation for child levels to use in @tree_view |
14541 | * in addition to the default indentation. The value should be specified in |
14542 | * pixels, a value of 0 disables this feature and in this case only the default |
14543 | * indentation will be used. |
14544 | * This does not have any visible effects for lists. |
14545 | */ |
14546 | void |
14547 | gtk_tree_view_set_level_indentation (GtkTreeView *tree_view, |
14548 | int indentation) |
14549 | { |
14550 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14551 | |
14552 | priv->level_indentation = indentation; |
14553 | |
14554 | gtk_widget_queue_draw (GTK_WIDGET (tree_view)); |
14555 | } |
14556 | |
14557 | /** |
14558 | * gtk_tree_view_get_level_indentation: |
14559 | * @tree_view: a `GtkTreeView`. |
14560 | * |
14561 | * Returns the amount, in pixels, of extra indentation for child levels |
14562 | * in @tree_view. |
14563 | * |
14564 | * Returns: the amount of extra indentation for child levels in |
14565 | * @tree_view. A return value of 0 means that this feature is disabled. |
14566 | */ |
14567 | int |
14568 | gtk_tree_view_get_level_indentation (GtkTreeView *tree_view) |
14569 | { |
14570 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14571 | |
14572 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), 0); |
14573 | |
14574 | return priv->level_indentation; |
14575 | } |
14576 | |
14577 | /** |
14578 | * gtk_tree_view_set_tooltip_row: |
14579 | * @tree_view: a `GtkTreeView` |
14580 | * @tooltip: a `GtkTooltip` |
14581 | * @path: a `GtkTreePath` |
14582 | * |
14583 | * Sets the tip area of @tooltip to be the area covered by the row at @path. |
14584 | * See also gtk_tree_view_set_tooltip_column() for a simpler alternative. |
14585 | * See also gtk_tooltip_set_tip_area(). |
14586 | */ |
14587 | void |
14588 | gtk_tree_view_set_tooltip_row (GtkTreeView *tree_view, |
14589 | GtkTooltip *tooltip, |
14590 | GtkTreePath *path) |
14591 | { |
14592 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
14593 | g_return_if_fail (GTK_IS_TOOLTIP (tooltip)); |
14594 | |
14595 | gtk_tree_view_set_tooltip_cell (tree_view, tooltip, path, NULL, NULL); |
14596 | } |
14597 | |
14598 | /** |
14599 | * gtk_tree_view_set_tooltip_cell: |
14600 | * @tree_view: a `GtkTreeView` |
14601 | * @tooltip: a `GtkTooltip` |
14602 | * @path: (nullable): a `GtkTreePath` |
14603 | * @column: (nullable): a `GtkTreeViewColumn` |
14604 | * @cell: (nullable): a `GtkCellRenderer` |
14605 | * |
14606 | * Sets the tip area of @tooltip to the area @path, @column and @cell have |
14607 | * in common. For example if @path is %NULL and @column is set, the tip |
14608 | * area will be set to the full area covered by @column. See also |
14609 | * gtk_tooltip_set_tip_area(). |
14610 | * |
14611 | * Note that if @path is not specified and @cell is set and part of a column |
14612 | * containing the expander, the tooltip might not show and hide at the correct |
14613 | * position. In such cases @path must be set to the current node under the |
14614 | * mouse cursor for this function to operate correctly. |
14615 | * |
14616 | * See also gtk_tree_view_set_tooltip_column() for a simpler alternative. |
14617 | */ |
14618 | void |
14619 | gtk_tree_view_set_tooltip_cell (GtkTreeView *tree_view, |
14620 | GtkTooltip *tooltip, |
14621 | GtkTreePath *path, |
14622 | GtkTreeViewColumn *column, |
14623 | GtkCellRenderer *cell) |
14624 | { |
14625 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14626 | GdkRectangle rect; |
14627 | |
14628 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
14629 | g_return_if_fail (GTK_IS_TOOLTIP (tooltip)); |
14630 | g_return_if_fail (column == NULL || GTK_IS_TREE_VIEW_COLUMN (column)); |
14631 | g_return_if_fail (cell == NULL || GTK_IS_CELL_RENDERER (cell)); |
14632 | |
14633 | /* Determine x values. */ |
14634 | if (column && cell) |
14635 | { |
14636 | GdkRectangle tmp; |
14637 | int start, width; |
14638 | |
14639 | /* We always pass in path here, whether it is NULL or not. |
14640 | * For cells in expander columns path must be specified so that |
14641 | * we can correctly account for the indentation. This also means |
14642 | * that the tooltip is constrained vertically by the "Determine y |
14643 | * values" code below; this is not a real problem since cells actually |
14644 | * don't stretch vertically in contrast to columns. |
14645 | */ |
14646 | gtk_tree_view_get_cell_area (tree_view, path, column, rect: &tmp); |
14647 | gtk_tree_view_column_cell_get_position (tree_column: column, cell_renderer: cell, x_offset: &start, width: &width); |
14648 | |
14649 | gtk_tree_view_convert_bin_window_to_widget_coords (tree_view, |
14650 | bx: tmp.x + start, by: 0, |
14651 | wx: &rect.x, NULL); |
14652 | rect.width = width; |
14653 | } |
14654 | else if (column) |
14655 | { |
14656 | GdkRectangle tmp; |
14657 | |
14658 | gtk_tree_view_get_background_area (tree_view, NULL, column, rect: &tmp); |
14659 | gtk_tree_view_convert_bin_window_to_widget_coords (tree_view, |
14660 | bx: tmp.x, by: 0, |
14661 | wx: &rect.x, NULL); |
14662 | rect.width = tmp.width; |
14663 | } |
14664 | else |
14665 | { |
14666 | rect.x = 0; |
14667 | rect.width = gtk_widget_get_width (GTK_WIDGET (tree_view));; |
14668 | } |
14669 | |
14670 | /* Determine y values. */ |
14671 | if (path) |
14672 | { |
14673 | GdkRectangle tmp; |
14674 | |
14675 | gtk_tree_view_get_background_area (tree_view, path, NULL, rect: &tmp); |
14676 | gtk_tree_view_convert_bin_window_to_widget_coords (tree_view, |
14677 | bx: 0, by: tmp.y, |
14678 | NULL, wy: &rect.y); |
14679 | rect.height = tmp.height; |
14680 | } |
14681 | else |
14682 | { |
14683 | rect.y = 0; |
14684 | rect.height = gtk_adjustment_get_page_size (adjustment: priv->vadjustment); |
14685 | } |
14686 | |
14687 | gtk_tooltip_set_tip_area (tooltip, rect: &rect); |
14688 | } |
14689 | |
14690 | /** |
14691 | * gtk_tree_view_get_tooltip_context: |
14692 | * @tree_view: a `GtkTreeView` |
14693 | * @x: the x coordinate (relative to widget coordinates) |
14694 | * @y: the y coordinate (relative to widget coordinates) |
14695 | * @keyboard_tip: whether this is a keyboard tooltip or not |
14696 | * @model: (out) (optional) (nullable) (transfer none): a pointer to |
14697 | * receive a `GtkTreeModel` |
14698 | * @path: (out) (optional): a pointer to receive a `GtkTreePath` |
14699 | * @iter: (out) (optional): a pointer to receive a `GtkTreeIter` |
14700 | * |
14701 | * This function is supposed to be used in a ::query-tooltip |
14702 | * signal handler for `GtkTreeView`. The @x, @y and @keyboard_tip values |
14703 | * which are received in the signal handler, should be passed to this |
14704 | * function without modification. |
14705 | * |
14706 | * The return value indicates whether there is a tree view row at the given |
14707 | * coordinates (%TRUE) or not (%FALSE) for mouse tooltips. For keyboard |
14708 | * tooltips the row returned will be the cursor row. When %TRUE, then any of |
14709 | * @model, @path and @iter which have been provided will be set to point to |
14710 | * that row and the corresponding model. @x and @y will always be converted |
14711 | * to be relative to @tree_view’s bin_window if @keyboard_tooltip is %FALSE. |
14712 | * |
14713 | * Returns: whether or not the given tooltip context points to a row |
14714 | */ |
14715 | gboolean |
14716 | gtk_tree_view_get_tooltip_context (GtkTreeView *tree_view, |
14717 | int x, |
14718 | int y, |
14719 | gboolean keyboard_tip, |
14720 | GtkTreeModel **model, |
14721 | GtkTreePath **path, |
14722 | GtkTreeIter *iter) |
14723 | { |
14724 | GtkTreePath *tmppath = NULL; |
14725 | |
14726 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE); |
14727 | |
14728 | if (keyboard_tip) |
14729 | { |
14730 | gtk_tree_view_get_cursor (tree_view, path: &tmppath, NULL); |
14731 | |
14732 | if (!tmppath) |
14733 | return FALSE; |
14734 | } |
14735 | else |
14736 | { |
14737 | int rel_x, rel_y; |
14738 | |
14739 | gtk_tree_view_convert_widget_to_bin_window_coords (tree_view, wx: x, wy: y, |
14740 | bx: &rel_x, by: &rel_y); |
14741 | |
14742 | if (!gtk_tree_view_get_path_at_pos (tree_view, x: rel_x, y: rel_y, |
14743 | path: &tmppath, NULL, NULL, NULL)) |
14744 | return FALSE; |
14745 | } |
14746 | |
14747 | if (model) |
14748 | *model = gtk_tree_view_get_model (tree_view); |
14749 | |
14750 | if (iter) |
14751 | gtk_tree_model_get_iter (tree_model: gtk_tree_view_get_model (tree_view), |
14752 | iter, path: tmppath); |
14753 | |
14754 | if (path) |
14755 | *path = tmppath; |
14756 | else |
14757 | gtk_tree_path_free (path: tmppath); |
14758 | |
14759 | return TRUE; |
14760 | } |
14761 | |
14762 | static gboolean |
14763 | gtk_tree_view_set_tooltip_query_cb (GtkWidget *widget, |
14764 | int x, |
14765 | int y, |
14766 | gboolean keyboard_tip, |
14767 | GtkTooltip *tooltip, |
14768 | gpointer data) |
14769 | { |
14770 | GValue value = G_VALUE_INIT; |
14771 | GValue transformed = G_VALUE_INIT; |
14772 | GtkTreeIter iter; |
14773 | GtkTreePath *path; |
14774 | GtkTreeModel *model; |
14775 | GtkTreeView *tree_view = GTK_TREE_VIEW (widget); |
14776 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14777 | |
14778 | if (!gtk_tree_view_get_tooltip_context (GTK_TREE_VIEW (widget), |
14779 | x, y, |
14780 | keyboard_tip, |
14781 | model: &model, path: &path, iter: &iter)) |
14782 | return FALSE; |
14783 | |
14784 | gtk_tree_model_get_value (tree_model: model, iter: &iter, |
14785 | column: priv->tooltip_column, value: &value); |
14786 | |
14787 | g_value_init (value: &transformed, G_TYPE_STRING); |
14788 | |
14789 | if (!g_value_transform (src_value: &value, dest_value: &transformed)) |
14790 | { |
14791 | g_value_unset (value: &value); |
14792 | gtk_tree_path_free (path); |
14793 | |
14794 | return FALSE; |
14795 | } |
14796 | |
14797 | g_value_unset (value: &value); |
14798 | |
14799 | if (!g_value_get_string (value: &transformed)) |
14800 | { |
14801 | g_value_unset (value: &transformed); |
14802 | gtk_tree_path_free (path); |
14803 | |
14804 | return FALSE; |
14805 | } |
14806 | |
14807 | gtk_tooltip_set_markup (tooltip, markup: g_value_get_string (value: &transformed)); |
14808 | gtk_tree_view_set_tooltip_row (tree_view, tooltip, path); |
14809 | |
14810 | gtk_tree_path_free (path); |
14811 | g_value_unset (value: &transformed); |
14812 | |
14813 | return TRUE; |
14814 | } |
14815 | |
14816 | /** |
14817 | * gtk_tree_view_set_tooltip_column: |
14818 | * @tree_view: a `GtkTreeView` |
14819 | * @column: an integer, which is a valid column number for @tree_view’s model |
14820 | * |
14821 | * If you only plan to have simple (text-only) tooltips on full rows, you |
14822 | * can use this function to have `GtkTreeView` handle these automatically |
14823 | * for you. @column should be set to the column in @tree_view’s model |
14824 | * containing the tooltip texts, or -1 to disable this feature. |
14825 | * |
14826 | * When enabled, `GtkWidget:has-tooltip` will be set to %TRUE and |
14827 | * @tree_view will connect a `GtkWidget::query-tooltip` signal handler. |
14828 | * |
14829 | * Note that the signal handler sets the text with gtk_tooltip_set_markup(), |
14830 | * so &, <, etc have to be escaped in the text. |
14831 | */ |
14832 | void |
14833 | gtk_tree_view_set_tooltip_column (GtkTreeView *tree_view, |
14834 | int column) |
14835 | { |
14836 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14837 | |
14838 | g_return_if_fail (GTK_IS_TREE_VIEW (tree_view)); |
14839 | |
14840 | if (column == priv->tooltip_column) |
14841 | return; |
14842 | |
14843 | if (column == -1) |
14844 | { |
14845 | g_signal_handlers_disconnect_by_func (tree_view, |
14846 | gtk_tree_view_set_tooltip_query_cb, |
14847 | NULL); |
14848 | gtk_widget_set_has_tooltip (GTK_WIDGET (tree_view), FALSE); |
14849 | } |
14850 | else |
14851 | { |
14852 | if (priv->tooltip_column == -1) |
14853 | { |
14854 | g_signal_connect (tree_view, "query-tooltip" , |
14855 | G_CALLBACK (gtk_tree_view_set_tooltip_query_cb), NULL); |
14856 | gtk_widget_set_has_tooltip (GTK_WIDGET (tree_view), TRUE); |
14857 | } |
14858 | } |
14859 | |
14860 | priv->tooltip_column = column; |
14861 | g_object_notify_by_pspec (G_OBJECT (tree_view), pspec: tree_view_props[PROP_TOOLTIP_COLUMN]); |
14862 | } |
14863 | |
14864 | /** |
14865 | * gtk_tree_view_get_tooltip_column: |
14866 | * @tree_view: a `GtkTreeView` |
14867 | * |
14868 | * Returns the column of @tree_view’s model which is being used for |
14869 | * displaying tooltips on @tree_view’s rows. |
14870 | * |
14871 | * Returns: the index of the tooltip column that is currently being |
14872 | * used, or -1 if this is disabled. |
14873 | */ |
14874 | int |
14875 | gtk_tree_view_get_tooltip_column (GtkTreeView *tree_view) |
14876 | { |
14877 | GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (self: tree_view); |
14878 | |
14879 | g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), 0); |
14880 | |
14881 | return priv->tooltip_column; |
14882 | } |
14883 | |
14884 | static gboolean |
14885 | gtk_tree_view_get_border (GtkScrollable *scrollable, |
14886 | GtkBorder *border) |
14887 | { |
14888 | border->top = gtk_tree_view_get_effective_header_height (GTK_TREE_VIEW (scrollable)); |
14889 | |
14890 | return TRUE; |
14891 | } |
14892 | |
14893 | static void |
14894 | gtk_tree_view_scrollable_init (GtkScrollableInterface *iface) |
14895 | { |
14896 | iface->get_border = gtk_tree_view_get_border; |
14897 | } |
14898 | |