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Add GtkActionClass::get_submenu() vfunc: actions providing a menu item or
[~andy/gtk] / gtk / gtkaction.h
1 /*
2  * GTK - The GIMP Toolkit
3  * Copyright (C) 1998, 1999 Red Hat, Inc.
4  * All rights reserved.
5  *
6  * This Library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public License as
8  * published by the Free Software Foundation; either version 2 of the
9  * License, or (at your option) any later version.
10  *
11  * This Library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public
17  * License along with the Gnome Library; see the file COPYING.LIB.  If not,
18  * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19  * Boston, MA 02111-1307, USA.
20  */
21
22 /*
23  * Author: James Henstridge <james@daa.com.au>
24  *
25  * Modified by the GTK+ Team and others 2003.  See the AUTHORS
26  * file for a list of people on the GTK+ Team.  See the ChangeLog
27  * files for a list of changes.  These files are distributed with
28  * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
29  */
30 #ifndef __GTK_ACTION_H__
31 #define __GTK_ACTION_H__
32
33 #include <gtk/gtkwidget.h>
34 #include <glib-object.h>
35
36 G_BEGIN_DECLS
37
38 #define GTK_TYPE_ACTION            (gtk_action_get_type ())
39 #define GTK_ACTION(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_ACTION, GtkAction))
40 #define GTK_ACTION_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_ACTION, GtkActionClass))
41 #define GTK_IS_ACTION(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_ACTION))
42 #define GTK_IS_ACTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_ACTION))
43 #define GTK_ACTION_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), GTK_TYPE_ACTION, GtkActionClass))
44
45 typedef struct _GtkAction      GtkAction;
46 typedef struct _GtkActionClass GtkActionClass;
47 typedef struct _GtkActionPrivate GtkActionPrivate;
48
49 struct _GtkAction
50 {
51   GObject object;
52
53   /*< private >*/
54
55   GtkActionPrivate *private_data;
56 };
57
58 struct _GtkActionClass
59 {
60   GObjectClass parent_class;
61
62   /* activation signal */
63   void       (* activate)           (GtkAction    *action);
64
65   GType      menu_item_type;
66   GType      toolbar_item_type;
67
68   /* widget creation routines (not signals) */
69   GtkWidget *(* create_menu_item)   (GtkAction *action);
70   GtkWidget *(* create_tool_item)   (GtkAction *action);
71   void       (* connect_proxy)      (GtkAction *action,
72                                      GtkWidget *proxy);
73   void       (* disconnect_proxy)   (GtkAction *action,
74                                      GtkWidget *proxy);
75
76   GtkWidget *(* get_submenu)        (GtkAction *action);
77
78   /* Padding for future expansion */
79   void (*_gtk_reserved2) (void);
80   void (*_gtk_reserved3) (void);
81   void (*_gtk_reserved4) (void);
82 };
83
84 GType        gtk_action_get_type               (void) G_GNUC_CONST;
85 GtkAction   *gtk_action_new                    (const gchar *name,
86                                                 const gchar *label,
87                                                 const gchar *tooltip,
88                                                 const gchar *stock_id);
89 G_CONST_RETURN gchar* gtk_action_get_name      (GtkAction     *action);
90 gboolean     gtk_action_is_sensitive           (GtkAction     *action);
91 gboolean     gtk_action_get_sensitive          (GtkAction     *action);
92 void         gtk_action_set_sensitive          (GtkAction     *action,
93                                                 gboolean       sensitive);
94 gboolean     gtk_action_is_visible             (GtkAction     *action);
95 gboolean     gtk_action_get_visible            (GtkAction     *action);
96 void         gtk_action_set_visible            (GtkAction     *action,
97                                                 gboolean       visible);
98 void         gtk_action_activate               (GtkAction     *action);
99 GtkWidget*   gtk_action_create_icon            (GtkAction     *action,
100                                                 GtkIconSize    icon_size);
101 GtkWidget*   gtk_action_create_menu_item       (GtkAction     *action);
102 GtkWidget*   gtk_action_create_tool_item       (GtkAction     *action);
103 void         gtk_action_connect_proxy          (GtkAction     *action,
104                                                 GtkWidget     *proxy);
105 void         gtk_action_disconnect_proxy       (GtkAction     *action,
106                                                 GtkWidget     *proxy);
107 GSList*      gtk_action_get_proxies            (GtkAction     *action);
108 GtkAction   *gtk_widget_get_action             (GtkWidget     *widget);
109 void         gtk_action_connect_accelerator    (GtkAction     *action);
110 void         gtk_action_disconnect_accelerator (GtkAction     *action);
111 G_CONST_RETURN gchar *gtk_action_get_accel_path (GtkAction     *action);
112 GClosure    *gtk_action_get_accel_closure      (GtkAction     *action);
113 GtkWidget *  gtk_action_get_submenu            (GtkAction     *action);
114
115 /* protected ... for use by child actions */
116 void         gtk_action_block_activate_from    (GtkAction     *action,
117                                                 GtkWidget     *proxy);
118 void         gtk_action_unblock_activate_from  (GtkAction     *action,
119                                                 GtkWidget     *proxy);
120 void         _gtk_action_emit_activate         (GtkAction     *action);
121
122 /* protected ... for use by action groups */
123 void         gtk_action_set_accel_path         (GtkAction     *action,
124                                                 const gchar   *accel_path);
125 void         gtk_action_set_accel_group        (GtkAction     *action,
126                                                 GtkAccelGroup *accel_group);
127 void         _gtk_action_sync_sensitive        (GtkAction     *action);
128 void         _gtk_action_sync_visible          (GtkAction     *action);
129 void         _gtk_action_sync_menu_visible     (GtkAction     *action,
130                                                 GtkWidget     *proxy,
131                                                 gboolean       empty);
132
133 G_END_DECLS
134
135 #endif  /* __GTK_ACTION_H__ */