Pileus Git - ~andy/gtk/blob - 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. Note that this function
 529  * does not set up the accel path of the action, which can lead to problems
 530  * if a user tries to modify the accelerator of a menuitem associated with
 531  * the action. Therefore you must either set the accel path yourself with
 532  * gtk_action_set_accel_path(), or use
 533  * <literal>gtk_action_group_add_action_with_accel (..., NULL)</literal>.
 534  *
 535  * Since: 2.4
 536  */
 537 void
 538 gtk_action_group_add_action (GtkActionGroup *action_group,
 539                              GtkAction      *action)
 540 {
 541   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
 542   g_return_if_fail (GTK_IS_ACTION (action));
 543   g_return_if_fail (gtk_action_get_name (action) != NULL);
 544
 545   g_hash_table_insert (action_group->private_data->actions,
 546                        g_strdup (gtk_action_get_name (action)),
 547                        g_object_ref (action));
 548   g_object_set (G_OBJECT (action), "action_group", action_group, NULL);
 549 }
 550
 551 /**
 552  * gtk_action_group_add_action_with_accel:
 553  * @action_group: the action group
 554  * @action: the action to add
 555  * @accelerator: the accelerator for the action, in
 556  *   the format understood by gtk_accelerator_parse(), or %NULL to use the
 557  *   stock accelerator
 558  *
 559  * Adds an action object to the action group and sets up the accelerator.
 560  *
 561  * If @accelerator is %NULL, attempts to use the accelerator associated
 562  * with the stock_id of the action.
 563  *
 564  * Accel paths are set to
 565  * <literal>&lt;Actions&gt;/<replaceable>group-name</replaceable>/<replaceable>action-name</replaceable></literal>.
 566  *
 567  * Since: 2.4
 568  */
 569 void
 570 gtk_action_group_add_action_with_accel (GtkActionGroup *action_group,
 571                                         GtkAction *action,
 572                                         const gchar *accelerator)
 573 {
 574   gchar *accel_path;
 575   guint  accel_key = 0;
 576   GdkModifierType accel_mods;
 577   GtkStockItem stock_item;
 578   gchar *name;
 579   gchar *stock_id;
 580
 581   g_object_get (action, "name", &name, "stock_id", &stock_id, NULL);
 582
 583   accel_path = g_strconcat ("<Actions>/",
 584                             action_group->private_data->name, "/", name, NULL);
 585
 586   if (accelerator)
 587     gtk_accelerator_parse (accelerator, &accel_key, &accel_mods);
 588   else if (stock_id && gtk_stock_lookup (stock_id, &stock_item))
 589     {
 590       accel_key = stock_item.keyval;
 591       accel_mods = stock_item.modifier;
 592     }
 593
 594   if (accel_key)
 595     gtk_accel_map_add_entry (accel_path, accel_key, accel_mods);
 596
 597   gtk_action_set_accel_path (action, accel_path);
 598   gtk_action_group_add_action (action_group, action);
 599
 600   g_free (accel_path);
 601   g_free (stock_id);
 602   g_free (name);
 603 }
 604
 605 /**
 606  * gtk_action_group_remove_action:
 607  * @action_group: the action group
 608  * @action: an action
 609  *
 610  * Removes an action object from the action group.
 611  *
 612  * Since: 2.4
 613  */
 614 void
 615 gtk_action_group_remove_action (GtkActionGroup *action_group,
 616                                 GtkAction      *action)
 617 {
 618   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
 619   g_return_if_fail (GTK_IS_ACTION (action));
 620   g_return_if_fail (gtk_action_get_name (action) != NULL);
 621
 622   /* extra protection to make sure action->name is valid */
 623   g_object_ref (action);
 624   g_hash_table_remove (action_group->private_data->actions, gtk_action_get_name (action));
 625   g_object_unref (action);
 626 }
 627
 628 static void
 629 add_single_action (gpointer key,
 630                    gpointer value,
 631                    gpointer user_data)
 632 {
 633   GList **list = user_data;
 634
 635   *list = g_list_prepend (*list, value);
 636 }
 637
 638 /**
 639  * gtk_action_group_list_actions:
 640  * @action_group: the action group
 641  *
 642  * Lists the actions in the action group.
 643  *
 644  * Returns: an allocated list of the action objects in the action group
 645  *
 646  * Since: 2.4
 647  */
 648 GList *
 649 gtk_action_group_list_actions (GtkActionGroup *action_group)
 650 {
 651   GList *actions = NULL;
 652   g_return_val_if_fail (GTK_IS_ACTION_GROUP (action_group), NULL);
 653
 654   g_hash_table_foreach (action_group->private_data->actions, add_single_action, &actions);
 655
 656   return g_list_reverse (actions);
 657 }
 658
 659
 660 /**
 661  * gtk_action_group_add_actions:
 662  * @action_group: the action group
 663  * @entries: an array of action descriptions
 664  * @n_entries: the number of entries
 665  * @user_data: data to pass to the action callbacks
 666  *
 667  * This is a convenience function to create a number of actions and add them
 668  * to the action group.
 669  *
 670  * The "activate" signals of the actions are connected to the callbacks and
 671  * their accel paths are set to
 672  * <literal>&lt;Actions&gt;/<replaceable>group-name</replaceable>/<replaceable>action-name</replaceable></literal>.
 673  *
 674  * Since: 2.4
 675  */
 676 void
 677 gtk_action_group_add_actions (GtkActionGroup *action_group,
 678                               GtkActionEntry *entries,
 679                               guint           n_entries,
 680                               gpointer        user_data)
 681 {
 682   gtk_action_group_add_actions_full (action_group,
 683                                      entries, n_entries,
 684                                      user_data, NULL);
 685 }
 686
 687 typedef struct _SharedData  SharedData;
 688
 689 struct _SharedData {
 690   guint          ref_count;
 691   gpointer       data;
 692   GDestroyNotify destroy;
 693 };
 694
 695 static void
 696 shared_data_unref (gpointer data)
 697 {
 698   SharedData *shared_data = (SharedData *)data;
 699
 700   shared_data->ref_count--;
 701   if (shared_data->ref_count == 0)
 702     {
 703       if (shared_data->destroy)
 704         (*shared_data->destroy) (shared_data->data);
 705
 706       g_free (shared_data);
 707     }
 708 }
 709
 710
 711 /**
 712  * gtk_action_group_add_actions_full:
 713  * @action_group: the action group
 714  * @entries: an array of action descriptions
 715  * @n_entries: the number of entries
 716  * @user_data: data to pass to the action callbacks
 717  * @destroy: destroy notification callback for @user_data
 718  *
 719  * This variant of gtk_action_group_add_actions() adds a #GDestroyNotify
 720  * callback for @user_data.
 721  *
 722  * Since: 2.4
 723  */
 724 void
 725 gtk_action_group_add_actions_full (GtkActionGroup *action_group,
 726                                    GtkActionEntry *entries,
 727                                    guint           n_entries,
 728                                    gpointer        user_data,
 729                                    GDestroyNotify  destroy)
 730 {
 731
 732   /* Keep this in sync with the other
 733    * gtk_action_group_add_..._actions_full() functions.
 734    */
 735   guint i;
 736   GtkTranslateFunc translate_func;
 737   gpointer translate_data;
 738   SharedData *shared_data;
 739
 740   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
 741
 742   translate_func = action_group->private_data->translate_func;
 743   translate_data = action_group->private_data->translate_data;
 744
 745   shared_data = g_new0 (SharedData, 1);
 746   shared_data->ref_count = 1;
 747   shared_data->data = user_data;
 748   shared_data->destroy = destroy;
 749
 750   for (i = 0; i < n_entries; i++)
 751     {
 752       GtkAction *action;
 753       const gchar *label;
 754       const gchar *tooltip;
 755
 756       if (translate_func)
 757         {
 758           label = translate_func (entries[i].label, translate_data);
 759           tooltip = translate_func (entries[i].tooltip, translate_data);
 760         }
 761       else
 762         {
 763           label = entries[i].label;
 764           tooltip = entries[i].tooltip;
 765         }
 766
 767       action = gtk_action_new (entries[i].name,
 768                                label,
 769                                tooltip,
 770                                entries[i].stock_id);
 771
 772       if (entries[i].callback)
 773         {
 774           GClosure *closure;
 775
 776           closure = g_cclosure_new (entries[i].callback, user_data, NULL);
 777           g_closure_add_finalize_notifier (closure, shared_data,
 778                                            (GClosureNotify)shared_data_unref);
 779           shared_data->ref_count++;
 780
 781           g_signal_connect_closure (action, "activate", closure, FALSE);
 782         }
 783
 784       gtk_action_group_add_action_with_accel (action_group,
 785                                               action,
 786                                               entries[i].accelerator);
 787       g_object_unref (action);
 788     }
 789
 790   shared_data_unref (shared_data);
 791 }
 792
 793 /**
 794  * gtk_action_group_add_toggle_actions:
 795  * @action_group: the action group
 796  * @entries: an array of toggle action descriptions
 797  * @n_entries: the number of entries
 798  * @user_data: data to pass to the action callbacks
 799  *
 800  * This is a convenience function to create a number of toggle actions and add them
 801  * to the action group.
 802  *
 803  * The "activate" signals of the actions are connected to the callbacks and
 804  * their accel paths are set to
 805  * <literal>&lt;Actions&gt;/<replaceable>group-name</replaceable>/<replaceable>action-name</replaceable></literal>.
 806  *
 807  * Since: 2.4
 808  */
 809 void
 810 gtk_action_group_add_toggle_actions (GtkActionGroup       *action_group,
 811                                      GtkToggleActionEntry *entries,
 812                                      guint                 n_entries,
 813                                      gpointer              user_data)
 814 {
 815   gtk_action_group_add_toggle_actions_full (action_group,
 816                                             entries, n_entries,
 817                                             user_data, NULL);
 818 }
 819
 820
 821 /**
 822  * gtk_action_group_add_toggle_actions_full:
 823  * @action_group: the action group
 824  * @entries: an array of toggle action descriptions
 825  * @n_entries: the number of entries
 826  * @user_data: data to pass to the action callbacks
 827  * @destroy: destroy notification callback for @user_data
 828  *
 829  * This variant of gtk_action_group_add_toggle_actions() adds a
 830  * #GDestroyNotify callback for @user_data.
 831  *
 832  * Since: 2.4
 833  */
 834 void
 835 gtk_action_group_add_toggle_actions_full (GtkActionGroup       *action_group,
 836                                           GtkToggleActionEntry *entries,
 837                                           guint                 n_entries,
 838                                           gpointer              user_data,
 839                                           GDestroyNotify        destroy)
 840 {
 841   /* Keep this in sync with the other
 842    * gtk_action_group_add_..._actions_full() functions.
 843    */
 844   guint i;
 845   GtkTranslateFunc translate_func;
 846   gpointer translate_data;
 847   SharedData *shared_data;
 848
 849   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
 850
 851   translate_func = action_group->private_data->translate_func;
 852   translate_data = action_group->private_data->translate_data;
 853
 854   shared_data = g_new0 (SharedData, 1);
 855   shared_data->ref_count = 1;
 856   shared_data->data = user_data;
 857   shared_data->destroy = destroy;
 858
 859   for (i = 0; i < n_entries; i++)
 860     {
 861       GtkToggleAction *action;
 862       const gchar *label;
 863       const gchar *tooltip;
 864
 865       if (translate_func)
 866         {
 867           label = translate_func (entries[i].label, translate_data);
 868           tooltip = translate_func (entries[i].tooltip, translate_data);
 869         }
 870       else
 871         {
 872           label = entries[i].label;
 873           tooltip = entries[i].tooltip;
 874         }
 875
 876       action = gtk_toggle_action_new (entries[i].name,
 877                                       label,
 878                                       tooltip,
 879                                       entries[i].stock_id);
 880
 881       gtk_toggle_action_set_active (action, entries[i].is_active);
 882
 883       if (entries[i].callback)
 884         {
 885           GClosure *closure;
 886
 887           closure = g_cclosure_new (entries[i].callback, user_data, NULL);
 888           g_closure_add_finalize_notifier (closure, shared_data,
 889                                            (GClosureNotify)shared_data_unref);
 890           shared_data->ref_count++;
 891
 892           g_signal_connect_closure (action, "activate", closure, FALSE);
 893         }
 894
 895       gtk_action_group_add_action_with_accel (action_group,
 896                                               GTK_ACTION (action),
 897                                               entries[i].accelerator);
 898       g_object_unref (action);
 899     }
 900
 901     shared_data_unref (shared_data);
 902 }
 903
 904 /**
 905  * gtk_action_group_add_radio_actions:
 906  * @action_group: the action group
 907  * @entries: an array of radio action descriptions
 908  * @n_entries: the number of entries
 909  * @value: the value of the action to activate initially, or -1 if
 910  *   no action should be activated
 911  * @on_change: the callback to connect to the changed signal
 912  * @user_data: data to pass to the action callbacks
 913  *
 914  * This is a convenience routine to create a group of radio actions and
 915  * add them to the action group.
 916  *
 917  * The "changed" signal of the first radio action is connected to the
 918  * @on_change callback and the accel paths of the actions are set to
 919  * <literal>&lt;Actions&gt;/<replaceable>group-name</replaceable>/<replaceable>action-name</replaceable></literal>.
 920  *
 921  * Since: 2.4
 922  **/
 923 void
 924 gtk_action_group_add_radio_actions (GtkActionGroup      *action_group,
 925                                     GtkRadioActionEntry *entries,
 926                                     guint                n_entries,
 927                                     gint                 value,
 928                                     GCallback            on_change,
 929                                     gpointer             user_data)
 930 {
 931   gtk_action_group_add_radio_actions_full (action_group,
 932                                            entries, n_entries,
 933                                            value,
 934                                            on_change, user_data, NULL);
 935 }
 936
 937 /**
 938  * gtk_action_group_add_radio_actions_full:
 939  * @action_group: the action group
 940  * @entries: an array of radio action descriptions
 941  * @n_entries: the number of entries
 942  * @value: the value of the action to activate initially, or -1 if
 943  *   no action should be activated
 944  * @on_change: the callback to connect to the changed signal
 945  * @user_data: data to pass to the action callbacks
 946  * @destroy: destroy notification callback for @user_data
 947  *
 948  * This variant of gtk_action_group_add_radio_actions() adds a
 949  * #GDestroyNotify callback for @user_data.
 950  *
 951  * Since: 2.4
 952  **/
 953 void
 954 gtk_action_group_add_radio_actions_full (GtkActionGroup      *action_group,
 955                                          GtkRadioActionEntry *entries,
 956                                          guint                n_entries,
 957                                          gint                 value,
 958                                          GCallback            on_change,
 959                                          gpointer             user_data,
 960                                          GDestroyNotify       destroy)
 961 {
 962   /* Keep this in sync with the other
 963    * gtk_action_group_add_..._actions_full() functions.
 964    */
 965   guint i;
 966   GtkTranslateFunc translate_func;
 967   gpointer translate_data;
 968   GSList *group = NULL;
 969   GtkRadioAction *first_action = NULL;
 970
 971   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
 972
 973   translate_func = action_group->private_data->translate_func;
 974   translate_data = action_group->private_data->translate_data;
 975
 976   for (i = 0; i < n_entries; i++)
 977     {
 978       GtkRadioAction *action;
 979       const gchar *label;
 980       const gchar *tooltip;
 981
 982       if (translate_func)
 983         {
 984           label = translate_func (entries[i].label, translate_data);
 985           tooltip = translate_func (entries[i].tooltip, translate_data);
 986         }
 987       else
 988         {
 989           label = entries[i].label;
 990           tooltip = entries[i].tooltip;
 991         }
 992
 993       action = gtk_radio_action_new (entries[i].name,
 994                                      label,
 995                                      tooltip,
 996                                      entries[i].stock_id,
 997                                      entries[i].value);
 998
 999       if (i == 0)
1000         first_action = action;
1001
1002       gtk_radio_action_set_group (action, group);
1003       group = gtk_radio_action_get_group (action);
1004
1005       if (value == entries[i].value)
1006         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), TRUE);
1007
1008       gtk_action_group_add_action_with_accel (action_group,
1009                                               GTK_ACTION (action),
1010                                               entries[i].accelerator);
1011       g_object_unref (action);
1012     }
1013
1014   if (on_change && first_action)
1015     g_signal_connect_data (first_action, "changed",
1016                            on_change, user_data,
1017                            (GClosureNotify)destroy, 0);
1018 }
1019
1020 /**
1021  * gtk_action_group_set_translate_func:
1022  * @action_group: a #GtkActionGroup
1023  * @func: a #GtkTranslateFunc
1024  * @data: data to be passed to @func and @notify
1025  * @notify: a #GtkDestroyNotify function to be called when @action_group is
1026  *   destroyed and when the translation function is changed again
1027  *
1028  * Sets a function to be used for translating the @label and @tooltip of
1029  * #GtkActionGroupEntry<!-- -->s added by gtk_action_group_add_actions().
1030  *
1031  * If you're using gettext(), it is enough to set the translation domain
1032  * with gtk_action_group_set_translation_domain().
1033  *
1034  * Since: 2.4
1035  **/
1036 void
1037 gtk_action_group_set_translate_func (GtkActionGroup      *action_group,
1038                                      GtkTranslateFunc     func,
1039                                      gpointer             data,
1040                                      GtkDestroyNotify     notify)
1041 {
1042   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
1043
1044   if (action_group->private_data->translate_notify)
1045     action_group->private_data->translate_notify (action_group->private_data->translate_data);
1046
1047   action_group->private_data->translate_func = func;
1048   action_group->private_data->translate_data = data;
1049   action_group->private_data->translate_notify = notify;
1050 }
1051
1052 static gchar *
1053 dgettext_swapped (const gchar *msgid,
1054                   const gchar *domainname)
1055 {
1056   return dgettext (domainname, msgid);
1057 }
1058
1059 /**
1060  * gtk_action_group_set_translation_domain:
1061  * @action_group: a #GtkActionGroup
1062  * @domain: the translation domain to use for dgettext() calls
1063  *
1064  * Sets the translation domain and uses dgettext() for translating the
1065  * @label and @tooltip of #GtkActionEntry<!-- -->s added by
1066  * gtk_action_group_add_actions().
1067  *
1068  * If you're not using gettext() for localization, see
1069  * gtk_action_group_set_translate_func().
1070  *
1071  * Since: 2.4
1072  **/
1073 void
1074 gtk_action_group_set_translation_domain (GtkActionGroup *action_group,
1075                                          const gchar    *domain)
1076 {
1077   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
1078
1079   gtk_action_group_set_translate_func (action_group,
1080                                        (GtkTranslateFunc)dgettext_swapped,
1081                                        g_strdup (domain),
1082                                        g_free);
1083 }
1084
1085 /* Protected for use by GtkAction */
1086 void
1087 _gtk_action_group_emit_connect_proxy  (GtkActionGroup *action_group,
1088                                        GtkAction      *action,
1089                                        GtkWidget      *proxy)
1090 {
1091   g_signal_emit (action_group, action_group_signals[CONNECT_PROXY], 0,
1092                  action, proxy);
1093 }
1094
1095 void
1096 _gtk_action_group_emit_disconnect_proxy  (GtkActionGroup *action_group,
1097                                           GtkAction      *action,
1098                                           GtkWidget      *proxy)
1099 {
1100   g_signal_emit (action_group, action_group_signals[DISCONNECT_PROXY], 0,
1101                  action, proxy);
1102 }
1103
1104 void
1105 _gtk_action_group_emit_pre_activate  (GtkActionGroup *action_group,
1106                                       GtkAction      *action)
1107 {
1108   g_signal_emit (action_group, action_group_signals[PRE_ACTIVATE], 0, action);
1109 }
1110
1111 void
1112 _gtk_action_group_emit_post_activate (GtkActionGroup *action_group,
1113                                       GtkAction *action)
1114 {
1115   g_signal_emit (action_group, action_group_signals[POST_ACTIVATE], 0, action);
1116 }