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[~andy/gtk] / gtk / gtkactiongroup.c
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
31 #include <config.h>
32
33 #include "gtkactiongroup.h"
34 #include "gtkstock.h"
35 #include "gtktoggleaction.h"
36 #include "gtkradioaction.h"
37 #include "gtkaccelmap.h"
38 #include "gtkmarshalers.h"
39 #include "gtkintl.h"
40
41 #define GTK_ACTION_GROUP_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_ACTION_GROUP, GtkActionGroupPrivate))
42
43 struct _GtkActionGroupPrivate 
44 {
45   gchar           *name;
46   gboolean         sensitive;
47   gboolean         visible;
48   GHashTable      *actions;
49
50   GtkTranslateFunc translate_func;
51   gpointer         translate_data;
52   GtkDestroyNotify translate_notify;   
53 };
54
55 enum 
56 {
57   CONNECT_PROXY,
58   DISCONNECT_PROXY,
59   PRE_ACTIVATE,
60   POST_ACTIVATE,
61   LAST_SIGNAL
62 };
63
64 enum 
65 {
66   PROP_0,
67   PROP_NAME,
68   PROP_SENSITIVE,
69   PROP_VISIBLE
70 };
71
72 static void       gtk_action_group_init            (GtkActionGroup      *self);
73 static void       gtk_action_group_class_init      (GtkActionGroupClass *class);
74 static void       gtk_action_group_finalize        (GObject             *object);
75 static void       gtk_action_group_set_property    (GObject             *object,
76                                                     guint                prop_id,
77                                                     const GValue        *value,
78                                                     GParamSpec          *pspec);
79 static void       gtk_action_group_get_property    (GObject             *object,
80                                                     guint                prop_id,
81                                                     GValue              *value,
82                                                     GParamSpec          *pspec);
83 static GtkAction *gtk_action_group_real_get_action (GtkActionGroup      *self,
84                                                     const gchar         *name);
85
86
87 GType
88 gtk_action_group_get_type (void)
89 {
90   static GType type = 0;
91
92   if (!type)
93     {
94       static const GTypeInfo type_info =
95       {
96         sizeof (GtkActionGroupClass),
97         NULL,           /* base_init */
98         NULL,           /* base_finalize */
99         (GClassInitFunc) gtk_action_group_class_init,
100         NULL,           /* class_finalize */
101         NULL,           /* class_data */
102         sizeof (GtkActionGroup),
103         0, /* n_preallocs */
104         (GInstanceInitFunc) gtk_action_group_init,
105       };
106
107       type = g_type_register_static (G_TYPE_OBJECT, "GtkActionGroup",
108                                      &type_info, 0);
109     }
110
111   return type;
112 }
113
114 static GObjectClass *parent_class = NULL;
115 static guint         action_group_signals[LAST_SIGNAL] = { 0 };
116
117 static void
118 gtk_action_group_class_init (GtkActionGroupClass *klass)
119 {
120   GObjectClass *gobject_class;
121
122   gobject_class = G_OBJECT_CLASS (klass);
123   parent_class = g_type_class_peek_parent (klass);
124
125   gobject_class->finalize = gtk_action_group_finalize;
126   gobject_class->set_property = gtk_action_group_set_property;
127   gobject_class->get_property = gtk_action_group_get_property;
128   klass->get_action = gtk_action_group_real_get_action;
129
130   g_object_class_install_property (gobject_class,
131                                    PROP_NAME,
132                                    g_param_spec_string ("name",
133                                                         P_("Name"),
134                                                         P_("A name for the action group."),
135                                                         NULL,
136                                                         G_PARAM_READWRITE |
137                                                         G_PARAM_CONSTRUCT_ONLY));
138   g_object_class_install_property (gobject_class,
139                                    PROP_SENSITIVE,
140                                    g_param_spec_boolean ("sensitive",
141                                                          P_("Sensitive"),
142                                                          P_("Whether the action group is enabled."),
143                                                          TRUE,
144                                                          G_PARAM_READWRITE));
145   g_object_class_install_property (gobject_class,
146                                    PROP_VISIBLE,
147                                    g_param_spec_boolean ("visible",
148                                                          P_("Visible"),
149                                                          P_("Whether the action group is visible."),
150                                                          TRUE,
151                                                          G_PARAM_READWRITE));
152
153   /**
154    * GtkGroupAction::connect-proxy:
155    * @action_group: the group
156    * @action: the action
157    * @proxy: the proxy
158    *
159    * The connect_proxy signal is emitted after connecting a proxy to 
160    * an action in the group. Note that the proxy may have been connected 
161    * to a different action before.
162    *
163    * This is intended for simple customizations for which a custom action
164    * class would be too clumsy, e.g. showing tooltips for menuitems in the
165    * statusbar.
166    *
167    * #GtkUIManager proxies the signal and provides global notification 
168    * just before any action is connected to a proxy, which is probably more
169    * convenient to use.
170    *
171    * Since: 2.4
172    */
173   action_group_signals[CONNECT_PROXY] =
174     g_signal_new ("connect_proxy",
175                   G_OBJECT_CLASS_TYPE (klass),
176                   0, 0, NULL, NULL,
177                   _gtk_marshal_VOID__OBJECT_OBJECT,
178                   G_TYPE_NONE, 2,
179                   GTK_TYPE_ACTION, GTK_TYPE_WIDGET);
180
181   /**
182    * GtkAction::disconnect-proxy:
183    * @action_group: the group
184    * @action: the action
185    * @proxy: the proxy
186    *
187    * The disconnect_proxy signal is emitted after disconnecting a proxy 
188    * from an action in the group. 
189    *
190    * #GtkUIManager proxies the signal and provides global notification 
191    * just before any action is connected to a proxy, which is probably more
192    * convenient to use.
193    *
194    * Since: 2.4
195    */
196   action_group_signals[DISCONNECT_PROXY] =
197     g_signal_new ("disconnect_proxy",
198                   G_OBJECT_CLASS_TYPE (klass),
199                   0, 0, NULL, NULL,
200                   _gtk_marshal_VOID__OBJECT_OBJECT,
201                   G_TYPE_NONE, 2, 
202                   GTK_TYPE_ACTION, GTK_TYPE_WIDGET);
203
204   /**
205    * GtkActionGroup::pre_activate:
206    * @action_group: the group
207    * @action: the action
208    *
209    * The pre_activate signal is emitted just before the @action in the
210    * @action_group is activated
211    *
212    * This is intended for #GtkUIManager to proxy the signal and provide global
213    * notification just before any action is activated.
214    *
215    * Since: 2.4
216    */
217   action_group_signals[PRE_ACTIVATE] =
218     g_signal_new ("pre_activate",
219                   G_OBJECT_CLASS_TYPE (klass),
220                   0, 0, NULL, NULL,
221                   _gtk_marshal_VOID__OBJECT,
222                   G_TYPE_NONE, 1, 
223                   GTK_TYPE_ACTION);
224
225   /**
226    * GtkActionGroup::post_activate:
227    * @action_group: the group
228    * @action: the action
229    *
230    * The post_activate signal is emitted just after the @action in the
231    * @action_group is activated
232    *
233    * This is intended for #GtkUIManager to proxy the signal and provide global
234    * notification just after any action is activated.
235    *
236    * Since: 2.4
237    */
238   action_group_signals[POST_ACTIVATE] =
239     g_signal_new ("post_activate",
240                   G_OBJECT_CLASS_TYPE (klass),
241                   0, 0, NULL, NULL,
242                   _gtk_marshal_VOID__OBJECT,
243                   G_TYPE_NONE, 1, 
244                   GTK_TYPE_ACTION);
245
246   g_type_class_add_private (gobject_class, sizeof (GtkActionGroupPrivate));
247 }
248
249
250 static void 
251 remove_action (GtkAction *action) 
252 {
253   g_object_set (action, "action_group", NULL, NULL);
254   g_object_unref (action);
255 }
256
257 static void
258 gtk_action_group_init (GtkActionGroup *self)
259 {
260   self->private_data = GTK_ACTION_GROUP_GET_PRIVATE (self);
261   self->private_data->name = NULL;
262   self->private_data->sensitive = TRUE;
263   self->private_data->visible = TRUE;
264   self->private_data->actions = g_hash_table_new_full (g_str_hash, g_str_equal,
265                                                        (GDestroyNotify) g_free,
266                                                        (GDestroyNotify) remove_action);
267   self->private_data->translate_func = NULL;
268   self->private_data->translate_data = NULL;
269   self->private_data->translate_notify = NULL;
270 }
271
272 /**
273  * gtk_action_group_new:
274  * @name: the name of the action group.
275  *
276  * Creates a new #GtkActionGroup object. The name of the action group
277  * is used when associating <link linkend="Action-Accel">keybindings</link> 
278  * with the actions.
279  *
280  * Returns: the new #GtkActionGroup
281  *
282  * Since: 2.4
283  */
284 GtkActionGroup *
285 gtk_action_group_new (const gchar *name)
286 {
287   GtkActionGroup *self;
288
289   self = g_object_new (GTK_TYPE_ACTION_GROUP, NULL);
290   self->private_data->name = g_strdup (name);
291
292   return self;
293 }
294
295 static void
296 gtk_action_group_finalize (GObject *object)
297 {
298   GtkActionGroup *self;
299
300   self = GTK_ACTION_GROUP (object);
301
302   g_free (self->private_data->name);
303   self->private_data->name = NULL;
304
305   g_hash_table_destroy (self->private_data->actions);
306   self->private_data->actions = NULL;
307
308   if (self->private_data->translate_notify)
309     self->private_data->translate_notify (self->private_data->translate_data);
310
311   if (parent_class->finalize)
312     (* parent_class->finalize) (object);
313 }
314
315 static void
316 gtk_action_group_set_property (GObject         *object,
317                                guint            prop_id,
318                                const GValue    *value,
319                                GParamSpec      *pspec)
320 {
321   GtkActionGroup *self;
322   gchar *tmp;
323   
324   self = GTK_ACTION_GROUP (object);
325
326   switch (prop_id)
327     {
328     case PROP_NAME:
329       tmp = self->private_data->name;
330       self->private_data->name = g_value_dup_string (value);
331       g_free (tmp);
332       break;
333     case PROP_SENSITIVE:
334       gtk_action_group_set_sensitive (self, g_value_get_boolean (value));
335       break;
336     case PROP_VISIBLE:
337       gtk_action_group_set_visible (self, g_value_get_boolean (value));
338       break;
339     default:
340       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
341       break;
342     }
343 }
344
345 static void
346 gtk_action_group_get_property (GObject    *object,
347                                guint       prop_id,
348                                GValue     *value,
349                                GParamSpec *pspec)
350 {
351   GtkActionGroup *self;
352   
353   self = GTK_ACTION_GROUP (object);
354
355   switch (prop_id)
356     {
357     case PROP_NAME:
358       g_value_set_string (value, self->private_data->name);
359       break;
360     case PROP_SENSITIVE:
361       g_value_set_boolean (value, self->private_data->sensitive);
362       break;
363     case PROP_VISIBLE:
364       g_value_set_boolean (value, self->private_data->visible);
365       break;
366     default:
367       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
368       break;
369     }
370 }
371
372 static GtkAction *
373 gtk_action_group_real_get_action (GtkActionGroup *self,
374                                   const gchar    *action_name)
375 {
376   return g_hash_table_lookup (self->private_data->actions, action_name);
377 }
378
379 /**
380  * gtk_action_group_get_name:
381  * @action_group: the action group
382  *
383  * Gets the name of the action group.
384  *
385  * Returns: the name of the action group.
386  * 
387  * Since: 2.4
388  */
389 const gchar *
390 gtk_action_group_get_name (GtkActionGroup *action_group)
391 {
392   g_return_val_if_fail (GTK_IS_ACTION_GROUP (action_group), NULL);
393
394   return action_group->private_data->name;
395 }
396
397 /**
398  * gtk_action_group_get_sensitive:
399  * @action_group: the action group
400  *
401  * Returns %TRUE if the group is sensitive.  The constituent actions
402  * can only be logically sensitive (see gtk_action_is_sensitive()) if
403  * they are sensitive (see gtk_action_get_sensitive()) and their group
404  * is sensitive.
405  * 
406  * Return value: %TRUE if the group is sensitive.
407  *
408  * Since: 2.4
409  */
410 gboolean
411 gtk_action_group_get_sensitive (GtkActionGroup *action_group)
412 {
413   g_return_val_if_fail (GTK_IS_ACTION_GROUP (action_group), FALSE);
414
415   return action_group->private_data->sensitive;
416 }
417
418 static void
419 cb_set_action_sensitivity (const gchar *name, GtkAction *action)
420 {
421   /* Minor optimization, the action_groups state only effects actions that are
422    * themselves sensitive */
423   if (gtk_action_get_sensitive (action))
424     g_object_notify (G_OBJECT (action), "sensitive");
425 }
426
427 /**
428  * gtk_action_group_set_sensitive:
429  * @action_group: the action group
430  * @sensitive: new sensitivity
431  *
432  * Changes the sensitivity of @action_group
433  * 
434  * Since: 2.4
435  */
436 void
437 gtk_action_group_set_sensitive (GtkActionGroup *action_group, gboolean sensitive)
438 {
439   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
440
441   if (action_group->private_data->sensitive ^ sensitive)
442     {
443       action_group->private_data->sensitive = sensitive;
444       g_hash_table_foreach (action_group->private_data->actions, 
445                             (GHFunc) cb_set_action_sensitivity, NULL);
446     }
447 }
448
449 /**
450  * gtk_action_group_get_visible:
451  * @action_group: the action group
452  *
453  * Returns %TRUE if the group is visible.  The constituent actions
454  * can only be logically visible (see gtk_action_is_visible()) if
455  * they are visible (see gtk_action_get_visible()) and their group
456  * is visible.
457  * 
458  * Return value: %TRUE if the group is sensitive.
459  * 
460  * Since: 2.4
461  */
462 gboolean
463 gtk_action_group_get_visible (GtkActionGroup *action_group)
464 {
465   g_return_val_if_fail (GTK_IS_ACTION_GROUP (action_group), FALSE);
466
467   return action_group->private_data->visible;
468 }
469
470 static void
471 cb_set_action_visiblity (const gchar *name, GtkAction *action)
472 {
473   /* Minor optimization, the action_groups state only effects actions that are
474    * themselves sensitive */
475   if (gtk_action_get_visible (action))
476     g_object_notify (G_OBJECT (action), "visible");
477 }
478
479 /**
480  * gtk_action_group_set_visible:
481  * @action_group: the action group
482  * @visible: new visiblity
483  *
484  * Changes the visible of @action_group.
485  * 
486  * Since: 2.4
487  */
488 void
489 gtk_action_group_set_visible (GtkActionGroup *action_group, gboolean visible)
490 {
491   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
492
493   if (action_group->private_data->visible ^ visible)
494     {
495       action_group->private_data->visible = visible;
496       g_hash_table_foreach (action_group->private_data->actions, 
497                             (GHFunc) cb_set_action_visiblity, NULL);
498     }
499 }
500
501 /**
502  * gtk_action_group_get_action:
503  * @action_group: the action group
504  * @action_name: the name of the action
505  *
506  * Looks up an action in the action group by name.
507  *
508  * Returns: the action, or %NULL if no action by that name exists
509  *
510  * Since: 2.4
511  */
512 GtkAction *
513 gtk_action_group_get_action (GtkActionGroup *action_group,
514                              const gchar    *action_name)
515 {
516   g_return_val_if_fail (GTK_IS_ACTION_GROUP (action_group), NULL);
517   g_return_val_if_fail (GTK_ACTION_GROUP_GET_CLASS (action_group)->get_action != NULL, NULL);
518
519   return (* GTK_ACTION_GROUP_GET_CLASS (action_group)->get_action)
520     (action_group, action_name);
521 }
522
523 /**
524  * gtk_action_group_add_action:
525  * @action_group: the action group
526  * @action: an action
527  *
528  * Adds an action object to the action group. 
529  *
530  * Since: 2.4
531  */
532 void
533 gtk_action_group_add_action (GtkActionGroup *action_group,
534                              GtkAction      *action)
535 {
536   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
537   g_return_if_fail (GTK_IS_ACTION (action));
538   g_return_if_fail (gtk_action_get_name (action) != NULL);
539
540   g_hash_table_insert (action_group->private_data->actions, 
541                        g_strdup (gtk_action_get_name (action)),
542                        g_object_ref (action));
543   g_object_set (G_OBJECT (action), "action_group", action_group, NULL);
544 }
545
546 /**
547  * gtk_action_group_add_action_with_accel:
548  * @action_group: the action group 
549  * @action: the action to add 
550  * @accelerator: the accelerator for the action, in
551  *   the format understood by gtk_accelerator_parse(), or %NULL to use the
552  *   stock accelerator 
553  *
554  * Adds an action object to the action group and sets up the accelerator.
555  *
556  * If @accelerator is %NULL, attempts to use the accelerator associated 
557  * with the stock_id of the action.
558  *
559  * Accel paths are set to
560  * <literal>&lt;Actions&gt;/<replaceable>group-name</replaceable>/<replaceable>action-name</replaceable></literal>.
561  *
562  * Since: 2.4
563  */
564 void
565 gtk_action_group_add_action_with_accel (GtkActionGroup *action_group,
566                                         GtkAction *action,
567                                         const gchar *accelerator)
568 {
569   gchar *accel_path;
570   guint  accel_key = 0;
571   GdkModifierType accel_mods;
572   GtkStockItem stock_item;
573   gchar *name;
574   gchar *stock_id;
575   
576   g_object_get (action, "name", &name, "stock_id", &stock_id, NULL);
577
578   accel_path = g_strconcat ("<Actions>/",
579                             action_group->private_data->name, "/", name, NULL);
580
581   if (accelerator)
582     gtk_accelerator_parse (accelerator, &accel_key, &accel_mods);
583   else if (stock_id && gtk_stock_lookup (stock_id, &stock_item))
584     {
585       accel_key = stock_item.keyval;
586       accel_mods = stock_item.modifier;
587     }
588
589   if (accel_key)
590     gtk_accel_map_add_entry (accel_path, accel_key, accel_mods);
591
592   gtk_action_set_accel_path (action, accel_path);
593   gtk_action_group_add_action (action_group, action);
594
595   g_free (accel_path);
596   g_free (stock_id);
597   g_free (name);
598 }
599
600 /**
601  * gtk_action_group_remove_action:
602  * @action_group: the action group
603  * @action: an action
604  *
605  * Removes an action object from the action group.
606  *
607  * Since: 2.4
608  */
609 void
610 gtk_action_group_remove_action (GtkActionGroup *action_group,
611                                 GtkAction      *action)
612 {
613   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
614   g_return_if_fail (GTK_IS_ACTION (action));
615   g_return_if_fail (gtk_action_get_name (action) != NULL);
616
617   /* extra protection to make sure action->name is valid */
618   g_object_ref (action);
619   g_hash_table_remove (action_group->private_data->actions, gtk_action_get_name (action));
620   g_object_unref (action);
621 }
622
623 static void
624 add_single_action (gpointer key, 
625                    gpointer value, 
626                    gpointer user_data)
627 {
628   GList **list = user_data;
629
630   *list = g_list_prepend (*list, value);
631 }
632
633 /**
634  * gtk_action_group_list_actions:
635  * @action_group: the action group
636  *
637  * Lists the actions in the action group.
638  *
639  * Returns: an allocated list of the action objects in the action group
640  * 
641  * Since: 2.4
642  */
643 GList *
644 gtk_action_group_list_actions (GtkActionGroup *action_group)
645 {
646   GList *actions = NULL;
647   g_return_val_if_fail (GTK_IS_ACTION_GROUP (action_group), NULL);
648   
649   g_hash_table_foreach (action_group->private_data->actions, add_single_action, &actions);
650
651   return g_list_reverse (actions);
652 }
653
654
655 /**
656  * gtk_action_group_add_actions:
657  * @action_group: the action group
658  * @entries: an array of action descriptions
659  * @n_entries: the number of entries
660  * @user_data: data to pass to the action callbacks
661  *
662  * This is a convenience function to create a number of actions and add them 
663  * to the action group.
664  *
665  * The "activate" signals of the actions are connected to the callbacks and 
666  * their accel paths are set to 
667  * <literal>&lt;Actions&gt;/<replaceable>group-name</replaceable>/<replaceable>action-name</replaceable></literal>.  
668  * 
669  * Since: 2.4
670  */
671 void
672 gtk_action_group_add_actions (GtkActionGroup *action_group,
673                               GtkActionEntry *entries,
674                               guint           n_entries,
675                               gpointer        user_data)
676 {
677   gtk_action_group_add_actions_full (action_group, 
678                                      entries, n_entries, 
679                                      user_data, NULL);
680 }
681
682
683 /**
684  * gtk_action_group_add_actions_full:
685  * @action_group: the action group
686  * @entries: an array of action descriptions
687  * @n_entries: the number of entries
688  * @user_data: data to pass to the action callbacks
689  * @destroy: destroy notification callback for @user_data
690  *
691  * This variant of gtk_action_group_add_actions() adds a #GDestroyNotify
692  * callback for @user_data. 
693  * 
694  * Since: 2.4
695  */
696 void
697 gtk_action_group_add_actions_full (GtkActionGroup *action_group,
698                                    GtkActionEntry *entries,
699                                    guint           n_entries,
700                                    gpointer        user_data,
701                                    GDestroyNotify  destroy)
702 {
703
704   /* Keep this in sync with the other 
705    * gtk_action_group_add_..._actions_full() functions.
706    */
707   guint i;
708   GtkTranslateFunc translate_func;
709   gpointer translate_data;
710
711   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
712
713   translate_func = action_group->private_data->translate_func;
714   translate_data = action_group->private_data->translate_data;
715
716   for (i = 0; i < n_entries; i++)
717     {
718       GtkAction *action;
719       const gchar *label;
720       const gchar *tooltip;
721
722       if (translate_func)
723         {
724           label = translate_func (entries[i].label, translate_data);
725           tooltip = translate_func (entries[i].tooltip, translate_data);
726         }
727       else
728         {
729           label = entries[i].label;
730           tooltip = entries[i].tooltip;
731         }
732
733       action = gtk_action_new (entries[i].name,
734                                label,
735                                tooltip,
736                                entries[i].stock_id);
737
738       if (entries[i].callback)
739         g_signal_connect_data (action, "activate",
740                                entries[i].callback, 
741                                user_data, (GClosureNotify)destroy, 0);
742
743       gtk_action_group_add_action_with_accel (action_group, 
744                                               action,
745                                               entries[i].accelerator);
746       g_object_unref (action);
747     }
748 }
749
750 /**
751  * gtk_action_group_add_toggle_actions:
752  * @action_group: the action group
753  * @entries: an array of toggle action descriptions
754  * @n_entries: the number of entries
755  * @user_data: data to pass to the action callbacks
756  *
757  * This is a convenience function to create a number of toggle actions and add them 
758  * to the action group.
759  *
760  * The "activate" signals of the actions are connected to the callbacks and 
761  * their accel paths are set to 
762  * <literal>&lt;Actions&gt;/<replaceable>group-name</replaceable>/<replaceable>action-name</replaceable></literal>.  
763  * 
764  * Since: 2.4
765  */
766 void
767 gtk_action_group_add_toggle_actions (GtkActionGroup       *action_group,
768                                      GtkToggleActionEntry *entries,
769                                      guint                 n_entries,
770                                      gpointer              user_data)
771 {
772   gtk_action_group_add_toggle_actions_full (action_group, 
773                                             entries, n_entries, 
774                                             user_data, NULL);
775 }
776
777
778 /**
779  * gtk_action_group_add_toggle_actions_full:
780  * @action_group: the action group
781  * @entries: an array of toggle action descriptions
782  * @n_entries: the number of entries
783  * @user_data: data to pass to the action callbacks
784  * @destroy: destroy notification callback for @user_data
785  *
786  * This variant of gtk_action_group_add_toggle_actions() adds a 
787  * #GDestroyNotify callback for @user_data. 
788  * 
789  * Since: 2.4
790  */
791 void
792 gtk_action_group_add_toggle_actions_full (GtkActionGroup       *action_group,
793                                           GtkToggleActionEntry *entries,
794                                           guint                 n_entries,
795                                           gpointer              user_data,
796                                           GDestroyNotify        destroy)
797 {
798   /* Keep this in sync with the other 
799    * gtk_action_group_add_..._actions_full() functions.
800    */
801   guint i;
802   GtkTranslateFunc translate_func;
803   gpointer translate_data;
804
805   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
806
807   translate_func = action_group->private_data->translate_func;
808   translate_data = action_group->private_data->translate_data;
809
810   for (i = 0; i < n_entries; i++)
811     {
812       GtkToggleAction *action;
813       const gchar *label;
814       const gchar *tooltip;
815
816       if (translate_func)
817         {
818           label = translate_func (entries[i].label, translate_data);
819           tooltip = translate_func (entries[i].tooltip, translate_data);
820         }
821       else
822         {
823           label = entries[i].label;
824           tooltip = entries[i].tooltip;
825         }
826
827       action = gtk_toggle_action_new (entries[i].name,
828                                       label,
829                                       tooltip,
830                                       entries[i].stock_id);
831
832       gtk_toggle_action_set_active (action, entries[i].is_active);
833
834       if (entries[i].callback)
835         g_signal_connect_data (action, "activate",
836                                entries[i].callback, 
837                                user_data, (GClosureNotify)destroy, 0);
838
839       gtk_action_group_add_action_with_accel (action_group, 
840                                               GTK_ACTION (action),
841                                               entries[i].accelerator);
842       g_object_unref (action);
843     }
844 }
845
846 /**
847  * gtk_action_group_add_radio_actions:
848  * @action_group: the action group
849  * @entries: an array of radio action descriptions
850  * @n_entries: the number of entries
851  * @value: the value of the action to activate initially, or -1 if
852  *   no action should be activated
853  * @on_change: the callback to connect to the changed signal
854  * @user_data: data to pass to the action callbacks
855  * 
856  * This is a convenience routine to create a group of radio actions and
857  * add them to the action group. 
858  *
859  * The "changed" signal of the first radio action is connected to the 
860  * @on_change callback and the accel paths of the actions are set to 
861  * <literal>&lt;Actions&gt;/<replaceable>group-name</replaceable>/<replaceable>action-name</replaceable></literal>.  
862  * 
863  * Since: 2.4
864  **/
865 void            
866 gtk_action_group_add_radio_actions (GtkActionGroup      *action_group,
867                                     GtkRadioActionEntry *entries,
868                                     guint                n_entries,
869                                     gint                 value,
870                                     GCallback            on_change,
871                                     gpointer             user_data)
872 {
873   gtk_action_group_add_radio_actions_full (action_group, 
874                                            entries, n_entries, 
875                                            value,
876                                            on_change, user_data, NULL);
877 }
878
879 /**
880  * gtk_action_group_add_radio_actions_full:
881  * @action_group: the action group
882  * @entries: an array of radio action descriptions
883  * @n_entries: the number of entries
884  * @value: the value of the action to activate initially, or -1 if
885  *   no action should be activated
886  * @on_change: the callback to connect to the changed signal
887  * @user_data: data to pass to the action callbacks
888  * @destroy: destroy notification callback for @user_data
889  *
890  * This variant of gtk_action_group_add_radio_actions() adds a 
891  * #GDestroyNotify callback for @user_data. 
892  * 
893  * Since: 2.4
894  **/
895 void            
896 gtk_action_group_add_radio_actions_full (GtkActionGroup      *action_group,
897                                          GtkRadioActionEntry *entries,
898                                          guint                n_entries,
899                                          gint                 value,
900                                          GCallback            on_change,
901                                          gpointer             user_data,
902                                          GDestroyNotify       destroy)
903 {
904   /* Keep this in sync with the other 
905    * gtk_action_group_add_..._actions_full() functions.
906    */
907   guint i;
908   GtkTranslateFunc translate_func;
909   gpointer translate_data;
910   GSList *group = NULL;
911   GtkRadioAction *first_action = NULL;
912
913   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
914
915   translate_func = action_group->private_data->translate_func;
916   translate_data = action_group->private_data->translate_data;
917
918   for (i = 0; i < n_entries; i++)
919     {
920       GtkRadioAction *action;
921       const gchar *label;
922       const gchar *tooltip; 
923
924       if (translate_func)
925         {
926           label = translate_func (entries[i].label, translate_data);
927           tooltip = translate_func (entries[i].tooltip, translate_data);
928         }
929       else
930         {
931           label = entries[i].label;
932           tooltip = entries[i].tooltip;
933         }
934
935       action = gtk_radio_action_new (entries[i].name,
936                                      label,
937                                      tooltip,
938                                      entries[i].stock_id,
939                                      value);
940
941       if (i == 0) 
942         first_action = action;
943
944       gtk_radio_action_set_group (action, group);
945       group = gtk_radio_action_get_group (action);
946
947       if (value == entries[i].value)
948         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), TRUE);
949
950       gtk_action_group_add_action_with_accel (action_group, 
951                                               GTK_ACTION (action),
952                                               entries[i].accelerator);
953       g_object_unref (action);
954     }
955
956   if (on_change && first_action)
957     g_signal_connect_data (first_action, "changed",
958                            on_change, user_data, 
959                            (GClosureNotify)destroy, 0);
960 }
961
962 /**
963  * gtk_action_group_set_translate_func:
964  * @action_group: a #GtkActionGroup
965  * @func: a #GtkTranslateFunc
966  * @data: data to be passed to @func and @notify
967  * @notify: a #GtkDestroyNotify function to be called when @action_group is 
968  *   destroyed and when the translation function is changed again
969  * 
970  * Sets a function to be used for translating the @label and @tooltip of 
971  * #GtkActionGroupEntry<!-- -->s added by gtk_action_group_add_actions().
972  *
973  * If you're using gettext(), it is enough to set the translation domain
974  * with gtk_action_group_set_translation_domain().
975  *
976  * Since: 2.4 
977  **/
978 void
979 gtk_action_group_set_translate_func (GtkActionGroup      *action_group,
980                                      GtkTranslateFunc     func,
981                                      gpointer             data,
982                                      GtkDestroyNotify     notify)
983 {
984   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
985   
986   if (action_group->private_data->translate_notify)
987     action_group->private_data->translate_notify (action_group->private_data->translate_data);
988       
989   action_group->private_data->translate_func = func;
990   action_group->private_data->translate_data = data;
991   action_group->private_data->translate_notify = notify;
992 }
993
994 static gchar *
995 dgettext_swapped (const gchar *msgid, 
996                   const gchar *domainname)
997 {
998   return dgettext (domainname, msgid);
999 }
1000
1001 /**
1002  * gtk_action_group_set_translation_domain:
1003  * @action_group: a #GtkActionGroup
1004  * @domain: the translation domain to use for dgettext() calls
1005  * 
1006  * Sets the translation domain and uses dgettext() for translating the 
1007  * @label and @tooltip of #GtkActionEntry<!-- -->s added by 
1008  * gtk_action_group_add_actions().
1009  *
1010  * If you're not using gettext() for localization, see 
1011  * gtk_action_group_set_translate_func().
1012  *
1013  * Since: 2.4
1014  **/
1015 void 
1016 gtk_action_group_set_translation_domain (GtkActionGroup *action_group,
1017                                          const gchar    *domain)
1018 {
1019   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
1020
1021   gtk_action_group_set_translate_func (action_group, 
1022                                        (GtkTranslateFunc)dgettext_swapped,
1023                                        g_strdup (domain),
1024                                        g_free);
1025
1026
1027 /* Protected for use by GtkAction */
1028 void
1029 _gtk_action_group_emit_connect_proxy  (GtkActionGroup *action_group,
1030                                        GtkAction      *action,
1031                                        GtkWidget      *proxy)
1032 {
1033   g_signal_emit (action_group, action_group_signals[CONNECT_PROXY], 0, 
1034                  action, proxy);
1035 }
1036
1037 void
1038 _gtk_action_group_emit_disconnect_proxy  (GtkActionGroup *action_group,
1039                                           GtkAction      *action,
1040                                           GtkWidget      *proxy)
1041 {
1042   g_signal_emit (action_group, action_group_signals[DISCONNECT_PROXY], 0, 
1043                  action, proxy);
1044 }
1045
1046 void
1047 _gtk_action_group_emit_pre_activate  (GtkActionGroup *action_group,
1048                                       GtkAction      *action)
1049 {
1050   g_signal_emit (action_group, action_group_signals[PRE_ACTIVATE], 0, action);
1051 }
1052
1053 void
1054 _gtk_action_group_emit_post_activate (GtkActionGroup *action_group,
1055                                       GtkAction *action)
1056 {
1057   g_signal_emit (action_group, action_group_signals[POST_ACTIVATE], 0, action);
1058 }