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39 | |
40 | #ifndef QMDISUBWINDOW_P_H |
41 | #define QMDISUBWINDOW_P_H |
42 | |
43 | // |
44 | // W A R N I N G |
45 | // ------------- |
46 | // |
47 | // This file is not part of the Qt API. It exists purely as an |
48 | // implementation detail. This header file may change from version to |
49 | // version without notice, or even be removed. |
50 | // |
51 | // We mean it. |
52 | // |
53 | |
54 | #include <QtWidgets/private/qtwidgetsglobal_p.h> |
55 | #include "qmdisubwindow.h" |
56 | |
57 | #include <QStyle> |
58 | #include <QStyleOptionTitleBar> |
59 | #if QT_CONFIG(menubar) |
60 | #include <QMenuBar> |
61 | #endif |
62 | #if QT_CONFIG(sizegrip) |
63 | #include <QSizeGrip> |
64 | #endif |
65 | #include <QPointer> |
66 | #include <QDebug> |
67 | #include <private/qwidget_p.h> |
68 | |
69 | QT_REQUIRE_CONFIG(mdiarea); |
70 | |
71 | QT_BEGIN_NAMESPACE |
72 | |
73 | class QVBoxLayout; |
74 | class QMouseEvent; |
75 | |
76 | namespace QMdi { |
77 | template<typename T> |
78 | class ControlElement : public T |
79 | { |
80 | public: |
81 | ControlElement(QMdiSubWindow *child) : T(child, nullptr) |
82 | { |
83 | Q_ASSERT(child); |
84 | mdiChild = child; |
85 | } |
86 | |
87 | void *qt_metacast(const char *classname) override |
88 | { |
89 | if (classname && strcmp(s1: classname, s2: "ControlElement" ) == 0) |
90 | return this; |
91 | return nullptr; |
92 | } |
93 | |
94 | QPointer<QMdiSubWindow> mdiChild; |
95 | }; |
96 | |
97 | class ControlContainer : public QObject |
98 | { |
99 | public: |
100 | ControlContainer(QMdiSubWindow *mdiChild); |
101 | ~ControlContainer(); |
102 | |
103 | #if QT_CONFIG(menubar) |
104 | void (QMenuBar *); |
105 | void (QMenuBar * = nullptr); |
106 | QMenuBar *() const { return m_menuBar; } |
107 | #endif |
108 | void updateWindowIcon(const QIcon &windowIcon); |
109 | QWidget *controllerWidget() const { return m_controllerWidget; } |
110 | QWidget *() const { return m_menuLabel; } |
111 | |
112 | private: |
113 | QPointer<QWidget> previousLeft; |
114 | QPointer<QWidget> previousRight; |
115 | #if QT_CONFIG(menubar) |
116 | QPointer<QMenuBar> ; |
117 | #endif |
118 | QPointer<QWidget> m_controllerWidget; |
119 | QPointer<QWidget> ; |
120 | QPointer<QMdiSubWindow> mdiChild; |
121 | }; |
122 | } // namespace QMdi |
123 | |
124 | class QMdiSubWindowPrivate : public QWidgetPrivate |
125 | { |
126 | Q_DECLARE_PUBLIC(QMdiSubWindow) |
127 | public: |
128 | // Enums and typedefs. |
129 | enum Operation { |
130 | None, |
131 | Move, |
132 | TopResize, |
133 | BottomResize, |
134 | LeftResize, |
135 | RightResize, |
136 | TopLeftResize, |
137 | TopRightResize, |
138 | BottomLeftResize, |
139 | BottomRightResize |
140 | }; |
141 | |
142 | enum ChangeFlag { |
143 | HMove = 0x01, |
144 | VMove = 0x02, |
145 | HResize = 0x04, |
146 | VResize = 0x08, |
147 | HResizeReverse = 0x10, |
148 | VResizeReverse = 0x20 |
149 | }; |
150 | |
151 | enum WindowStateAction { |
152 | RestoreAction, |
153 | MoveAction, |
154 | ResizeAction, |
155 | MinimizeAction, |
156 | MaximizeAction, |
157 | StayOnTopAction, |
158 | CloseAction, |
159 | /* Add new states _above_ this line! */ |
160 | NumWindowStateActions |
161 | }; |
162 | |
163 | struct OperationInfo { |
164 | uint changeFlags; |
165 | Qt::CursorShape cursorShape; |
166 | QRegion region; |
167 | bool hover; |
168 | OperationInfo(uint changeFlags, Qt::CursorShape cursorShape, bool hover = true) |
169 | : changeFlags(changeFlags), |
170 | cursorShape(cursorShape), |
171 | hover(hover) |
172 | {} |
173 | }; |
174 | |
175 | typedef QMap<Operation, OperationInfo> OperationInfoMap; |
176 | |
177 | QMdiSubWindowPrivate(); |
178 | |
179 | // Variables. |
180 | QPointer<QWidget> baseWidget; |
181 | QPointer<QWidget> restoreFocusWidget; |
182 | QPointer<QMdi::ControlContainer> controlContainer; |
183 | #if QT_CONFIG(sizegrip) |
184 | QPointer<QSizeGrip> sizeGrip; |
185 | #endif |
186 | #if QT_CONFIG(rubberband) |
187 | QRubberBand *rubberBand; |
188 | #endif |
189 | QPoint mousePressPosition; |
190 | QRect oldGeometry; |
191 | QSize internalMinimumSize; |
192 | QSize userMinimumSize; |
193 | QSize restoreSize; |
194 | bool resizeEnabled; |
195 | bool moveEnabled; |
196 | bool isInInteractiveMode; |
197 | #if QT_CONFIG(rubberband) |
198 | bool isInRubberBandMode; |
199 | #endif |
200 | bool isShadeMode; |
201 | bool ignoreWindowTitleChange; |
202 | bool ignoreNextActivationEvent; |
203 | bool activationEnabled; |
204 | bool isShadeRequestFromMinimizeMode; |
205 | bool isMaximizeMode; |
206 | bool isWidgetHiddenByUs; |
207 | bool isActive; |
208 | bool isExplicitlyDeactivated; |
209 | int keyboardSingleStep; |
210 | int keyboardPageStep; |
211 | int resizeTimerId; |
212 | Operation currentOperation; |
213 | QStyle::SubControl hoveredSubControl; |
214 | QStyle::SubControl activeSubControl; |
215 | Qt::FocusReason focusInReason; |
216 | OperationInfoMap operationMap; |
217 | QPointer<QMenu> ; |
218 | #ifndef QT_NO_ACTION |
219 | QPointer<QAction> actions[NumWindowStateActions]; |
220 | #endif |
221 | QMdiSubWindow::SubWindowOptions options; |
222 | QString lastChildWindowTitle; |
223 | QPalette titleBarPalette; |
224 | QString windowTitle; |
225 | QFont font; |
226 | QIcon ; |
227 | QStyleOptionTitleBar cachedStyleOptions; |
228 | QString originalTitle; |
229 | |
230 | // Slots. |
231 | void _q_updateStaysOnTopHint(); |
232 | void _q_enterInteractiveMode(); |
233 | void _q_processFocusChanged(QWidget *old, QWidget *now); |
234 | |
235 | // Functions. |
236 | void leaveInteractiveMode(); |
237 | void removeBaseWidget(); |
238 | void initOperationMap(); |
239 | #if QT_CONFIG(menu) |
240 | void (); |
241 | #endif |
242 | void updateCursor(); |
243 | void updateDirtyRegions(); |
244 | void updateGeometryConstraints(); |
245 | void updateMask(); |
246 | void setNewGeometry(const QPoint &pos); |
247 | void setMinimizeMode(); |
248 | void setNormalMode(); |
249 | void setMaximizeMode(); |
250 | void setActive(bool activate, bool changeFocus = true); |
251 | void processClickedSubControl(); |
252 | QRegion getRegion(Operation operation) const; |
253 | Operation getOperation(const QPoint &pos) const; |
254 | QStyleOptionTitleBar titleBarOptions() const; |
255 | void ensureWindowState(Qt::WindowState state); |
256 | int titleBarHeight(const QStyleOptionTitleBar &options) const; |
257 | void sizeParameters(int *margin, int *minWidth) const; |
258 | bool drawTitleBarWhenMaximized() const; |
259 | #if QT_CONFIG(menubar) |
260 | QMenuBar *() const; |
261 | void (QMenuBar *); |
262 | void (); |
263 | #endif |
264 | void updateWindowTitle(bool requestFromChild); |
265 | #if QT_CONFIG(rubberband) |
266 | void enterRubberBandMode(); |
267 | void leaveRubberBandMode(); |
268 | #endif |
269 | QPalette desktopPalette() const; |
270 | void updateActions(); |
271 | void setFocusWidget(); |
272 | bool restoreFocus(); |
273 | void storeFocusWidget(); |
274 | void setWindowFlags(Qt::WindowFlags windowFlags) override; |
275 | void setVisible(WindowStateAction, bool visible = true); |
276 | #ifndef QT_NO_ACTION |
277 | void setEnabled(WindowStateAction, bool enable = true); |
278 | #if QT_CONFIG(menu) |
279 | void (WindowStateAction, const QString &text, const char *slot); |
280 | #endif |
281 | #endif // QT_NO_ACTION |
282 | QSize iconSize() const; |
283 | #if QT_CONFIG(sizegrip) |
284 | void setSizeGrip(QSizeGrip *sizeGrip); |
285 | void setSizeGripVisible(bool visible = true) const; |
286 | #endif |
287 | void updateInternalWindowTitle(); |
288 | QString originalWindowTitle(); |
289 | QString originalWindowTitleHelper() const; |
290 | void setNewWindowTitle(); |
291 | |
292 | inline int titleBarHeight() const |
293 | { |
294 | Q_Q(const QMdiSubWindow); |
295 | if (!parent || q->windowFlags() & Qt::FramelessWindowHint |
296 | || (q->isMaximized() && !drawTitleBarWhenMaximized())) { |
297 | return 0; |
298 | } |
299 | QStyleOptionTitleBar options = titleBarOptions(); |
300 | int height = options.rect.height(); |
301 | if (hasBorder(options)) |
302 | height += q->isMinimized() ? 8 : 4; |
303 | return height; |
304 | } |
305 | |
306 | inline QStyle::SubControl getSubControl(const QPoint &pos) const |
307 | { |
308 | Q_Q(const QMdiSubWindow); |
309 | QStyleOptionTitleBar titleBarOptions = this->titleBarOptions(); |
310 | return q->style()->hitTestComplexControl(cc: QStyle::CC_TitleBar, opt: &titleBarOptions, pt: pos, widget: q); |
311 | } |
312 | |
313 | inline void setNewGeometry(QRect *geometry) |
314 | { |
315 | Q_Q(QMdiSubWindow); |
316 | Q_ASSERT(parent); |
317 | geometry->setSize(geometry->size().expandedTo(otherSize: internalMinimumSize)); |
318 | #if QT_CONFIG(rubberband) |
319 | if (isInRubberBandMode) |
320 | rubberBand->setGeometry(*geometry); |
321 | else |
322 | #endif |
323 | q->setGeometry(*geometry); |
324 | } |
325 | |
326 | inline bool hasBorder(const QStyleOptionTitleBar &options) const |
327 | { |
328 | Q_Q(const QMdiSubWindow); |
329 | return !q->style()->styleHint(stylehint: QStyle::SH_TitleBar_NoBorder, opt: &options, widget: q); |
330 | } |
331 | |
332 | inline bool autoRaise() const |
333 | { |
334 | Q_Q(const QMdiSubWindow); |
335 | return q->style()->styleHint(stylehint: QStyle::SH_TitleBar_AutoRaise, opt: nullptr, widget: q); |
336 | } |
337 | |
338 | inline bool isResizeOperation() const |
339 | { |
340 | return currentOperation != None && currentOperation != Move; |
341 | } |
342 | |
343 | inline bool isMoveOperation() const |
344 | { |
345 | return currentOperation == Move; |
346 | } |
347 | }; |
348 | |
349 | QT_END_NAMESPACE |
350 | |
351 | #endif // QMDISUBWINDOW_P_H |
352 | |