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1 /* GTK - The GIMP Toolkit
2  * Copyright (C) 1998, 2001 Tim Janik
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, write to the
16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17  * Boston, MA 02111-1307, USA.
18  */
19
20 /*
21  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
22  * file for a list of people on the GTK+ Team.  See the ChangeLog
23  * files for a list of changes.  These files are distributed with
24  * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
25  */
26
27 #ifndef __GTK_ACCEL_GROUP_H__
28 #define __GTK_ACCEL_GROUP_H__
29
30
31 #include <gdk/gdk.h>
32 #include <gtk/gtkenums.h>
33
34 G_BEGIN_DECLS
35
36
37 /* --- type macros --- */
38 #define GTK_TYPE_ACCEL_GROUP              (gtk_accel_group_get_type ())
39 #define GTK_ACCEL_GROUP(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), GTK_TYPE_ACCEL_GROUP, GtkAccelGroup))
40 #define GTK_ACCEL_GROUP_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_ACCEL_GROUP, GtkAccelGroupClass))
41 #define GTK_IS_ACCEL_GROUP(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), GTK_TYPE_ACCEL_GROUP))
42 #define GTK_IS_ACCEL_GROUP_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_ACCEL_GROUP))
43 #define GTK_ACCEL_GROUP_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_ACCEL_GROUP, GtkAccelGroupClass))
44
45
46 /* --- accel flags --- */
47 typedef enum
48 {
49   GTK_ACCEL_VISIBLE        = 1 << 0,    /* display in GtkAccelLabel? */
50   GTK_ACCEL_LOCKED         = 1 << 1,    /* is it removable? */
51   GTK_ACCEL_MASK           = 0x07
52 } GtkAccelFlags;
53
54
55 /* --- typedefs & structures --- */
56 typedef struct _GtkAccelGroup      GtkAccelGroup;
57 typedef struct _GtkAccelGroupClass GtkAccelGroupClass;
58 typedef struct _GtkAccelKey        GtkAccelKey;
59 typedef struct _GtkAccelGroupEntry GtkAccelGroupEntry;
60 typedef gboolean (*GtkAccelGroupActivate) (GtkAccelGroup  *accel_group,
61                                            GObject        *acceleratable,
62                                            guint           keyval,
63                                            GdkModifierType modifier);
64 struct _GtkAccelGroup
65 {
66   GObject             parent;
67   guint               lock_count;
68   GdkModifierType     modifier_mask;
69   GSList             *acceleratables;
70   guint               n_accels;
71   GtkAccelGroupEntry *priv_accels;
72 };
73 struct _GtkAccelGroupClass
74 {
75   GObjectClass parent_class;
76
77   void  (*accel_changed)        (GtkAccelGroup  *accel_group,
78                                  guint           keyval,
79                                  GdkModifierType modifier,
80                                  GClosure       *accel_closure);
81 };
82 struct _GtkAccelKey
83 {
84   guint           accel_key;
85   GdkModifierType accel_mods;
86   guint           accel_flags : 16;
87 };
88
89
90 /* -- Accelerator Groups --- */
91 GType           gtk_accel_group_get_type        (void);
92 GtkAccelGroup*  gtk_accel_group_new             (void);
93 void            gtk_accel_group_lock            (GtkAccelGroup  *accel_group);
94 void            gtk_accel_group_unlock          (GtkAccelGroup  *accel_group);
95 void            gtk_accel_group_connect         (GtkAccelGroup  *accel_group,
96                                                  guint           accel_key,
97                                                  GdkModifierType accel_mods,
98                                                  GtkAccelFlags   accel_flags,
99                                                  GClosure       *closure,
100                                                  GQuark          accel_path_quark);
101 gboolean        gtk_accel_group_disconnect      (GtkAccelGroup  *accel_group,
102                                                  guint           accel_key,
103                                                  GdkModifierType accel_mods);
104 gboolean    gtk_accel_groups_disconnect_closure (GClosure       *closure);
105
106
107 /* --- GtkActivatable glue --- */
108 void            _gtk_accel_group_attach         (GtkAccelGroup  *accel_group,
109                                                  GObject        *object);
110 void            _gtk_accel_group_detach         (GtkAccelGroup  *accel_group,
111                                                  GObject        *object);
112 gboolean        gtk_accel_groups_activate       (GObject        *acceleratable,
113                                                  guint           accel_key,
114                                                  GdkModifierType accel_mods);
115 GSList*     gtk_accel_groups_from_acceleratable (GObject        *object);
116 GtkAccelKey*    gtk_accel_group_find            (GtkAccelGroup  *accel_group,
117                                                  gboolean (*find_func) (GtkAccelKey *key,
118                                                                         GClosure    *closure,
119                                                                         gpointer     data),
120                                                  gpointer        data);
121 GtkAccelGroup*  gtk_accel_group_from_accel_closure (GClosure    *closure);
122
123
124 /* --- Accelerators--- */
125 gboolean gtk_accelerator_valid                (guint            keyval,
126                                                GdkModifierType  modifiers) G_GNUC_CONST;
127 void     gtk_accelerator_parse                (const gchar     *accelerator,
128                                                guint           *accelerator_key,
129                                                GdkModifierType *accelerator_mods);
130 gchar*   gtk_accelerator_name                 (guint            accelerator_key,
131                                                GdkModifierType  accelerator_mods);
132 void     gtk_accelerator_set_default_mod_mask (GdkModifierType  default_mod_mask);
133 guint    gtk_accelerator_get_default_mod_mask (void);
134
135
136 /* --- internal --- */
137 GtkAccelGroupEntry*     gtk_accel_group_query   (GtkAccelGroup  *accel_group,
138                                                  guint           accel_key,
139                                                  GdkModifierType accel_mods,
140                                                  guint          *n_entries);
141 struct _GtkAccelGroupEntry
142 {
143   GtkAccelKey  key;
144   GClosure    *closure;
145   GQuark       accel_path_quark;
146 };
147
148
149 #ifndef GTK_DISABLE_DEPRECATED
150 #define gtk_accel_group_ref     g_object_ref
151 #define gtk_accel_group_unref   g_object_unref
152 #endif /* GTK_DISABLE_DEPRECATED */
153
154 G_END_DECLS
155
156
157 #endif /* __GTK_ACCEL_GROUP_H__ */