1 | /* GDK - The GIMP Drawing Kit |
2 | * Copyright (C) 2010 Red Hat, Inc |
3 | * |
4 | * This library is free software; you can redistribute it and/or |
5 | * modify it under the terms of the GNU Lesser 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 | * Lesser General Public License for more details. |
13 | * |
14 | * You should have received a copy of the GNU Lesser General Public |
15 | * License along with this library. If not, see <http://www.gnu.org/licenses/>. |
16 | */ |
17 | |
18 | #ifndef __GDK_KEYS_PRIVATE_H__ |
19 | #define __GDK_KEYS_PRIVATE_H__ |
20 | |
21 | #include "gdkkeys.h" |
22 | |
23 | #include "gdkenums.h" |
24 | |
25 | G_BEGIN_DECLS |
26 | |
27 | #define GDK_TYPE_KEYMAP (gdk_keymap_get_type ()) |
28 | #define GDK_KEYMAP(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_KEYMAP, GdkKeymap)) |
29 | #define GDK_IS_KEYMAP(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_KEYMAP)) |
30 | #define GDK_KEYMAP_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_KEYMAP, GdkKeymapClass)) |
31 | #define GDK_IS_KEYMAP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_KEYMAP)) |
32 | #define GDK_KEYMAP_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_KEYMAP, GdkKeymapClass)) |
33 | |
34 | typedef struct _GdkKeymap GdkKeymap; |
35 | typedef struct _GdkKeymapClass GdkKeymapClass; |
36 | |
37 | struct _GdkKeymapClass |
38 | { |
39 | GObjectClass parent_class; |
40 | |
41 | PangoDirection (* get_direction) (GdkKeymap *keymap); |
42 | gboolean (* have_bidi_layouts) (GdkKeymap *keymap); |
43 | gboolean (* get_caps_lock_state) (GdkKeymap *keymap); |
44 | gboolean (* get_num_lock_state) (GdkKeymap *keymap); |
45 | gboolean (* get_scroll_lock_state) (GdkKeymap *keymap); |
46 | gboolean (* get_entries_for_keyval) (GdkKeymap *keymap, |
47 | guint keyval, |
48 | GArray *array); |
49 | gboolean (* get_entries_for_keycode) (GdkKeymap *keymap, |
50 | guint hardware_keycode, |
51 | GdkKeymapKey **keys, |
52 | guint **keyvals, |
53 | int *n_entries); |
54 | guint (* lookup_key) (GdkKeymap *keymap, |
55 | const GdkKeymapKey *key); |
56 | gboolean (* translate_keyboard_state) (GdkKeymap *keymap, |
57 | guint hardware_keycode, |
58 | GdkModifierType state, |
59 | int group, |
60 | guint *keyval, |
61 | int *effective_group, |
62 | int *level, |
63 | GdkModifierType *consumed_modifiers); |
64 | guint (* get_modifier_state) (GdkKeymap *keymap); |
65 | |
66 | |
67 | /* Signals */ |
68 | void (*direction_changed) (GdkKeymap *keymap); |
69 | void (*keys_changed) (GdkKeymap *keymap); |
70 | void (*state_changed) (GdkKeymap *keymap); |
71 | }; |
72 | |
73 | struct _GdkKeymap |
74 | { |
75 | GObject parent_instance; |
76 | GdkDisplay *display; |
77 | |
78 | /* We cache an array of GdkKeymapKey entries for keyval -> keycode |
79 | * lookup. Position 0 is unused. |
80 | * |
81 | * The hash table maps keyvals to values that have the number of keys |
82 | * in the low 8 bits, and the position in the array in the rest. |
83 | * |
84 | * The cache is cleared before ::keys-changed is emitted. |
85 | */ |
86 | GArray *cached_keys; |
87 | GHashTable *cache; |
88 | }; |
89 | |
90 | GType gdk_keymap_get_type (void) G_GNUC_CONST; |
91 | |
92 | GdkDisplay * gdk_keymap_get_display (GdkKeymap *keymap); |
93 | |
94 | guint gdk_keymap_lookup_key (GdkKeymap *keymap, |
95 | const GdkKeymapKey *key); |
96 | gboolean gdk_keymap_translate_keyboard_state (GdkKeymap *keymap, |
97 | guint hardware_keycode, |
98 | GdkModifierType state, |
99 | int group, |
100 | guint *keyval, |
101 | int *effective_group, |
102 | int *level, |
103 | GdkModifierType *consumed_modifiers); |
104 | gboolean gdk_keymap_get_entries_for_keyval (GdkKeymap *keymap, |
105 | guint keyval, |
106 | GdkKeymapKey **keys, |
107 | int *n_keys); |
108 | gboolean gdk_keymap_get_entries_for_keycode (GdkKeymap *keymap, |
109 | guint hardware_keycode, |
110 | GdkKeymapKey **keys, |
111 | guint **keyvals, |
112 | int *n_entries); |
113 | |
114 | PangoDirection gdk_keymap_get_direction (GdkKeymap *keymap); |
115 | gboolean gdk_keymap_have_bidi_layouts (GdkKeymap *keymap); |
116 | gboolean gdk_keymap_get_caps_lock_state (GdkKeymap *keymap); |
117 | gboolean gdk_keymap_get_num_lock_state (GdkKeymap *keymap); |
118 | gboolean gdk_keymap_get_scroll_lock_state (GdkKeymap *keymap); |
119 | guint gdk_keymap_get_modifier_state (GdkKeymap *keymap); |
120 | |
121 | void gdk_keymap_get_cached_entries_for_keyval (GdkKeymap *keymap, |
122 | guint keyval, |
123 | GdkKeymapKey **keys, |
124 | guint *n_keys); |
125 | |
126 | G_END_DECLS |
127 | |
128 | #endif |
129 | |