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     {
 588     gtk_accelerator_parse (accelerator, &accel_key, &accel_mods);
 589       if (accel_key == 0)
 590         g_warning ("Unable to parse accelerator '%s' for action '%s'",
 591                    accelerator, name);
 592     }
 593   else if (stock_id && gtk_stock_lookup (stock_id, &stock_item))
 594     {
 595       accel_key = stock_item.keyval;
 596       accel_mods = stock_item.modifier;
 597     }
 598
 599   if (accel_key)
 600     gtk_accel_map_add_entry (accel_path, accel_key, accel_mods);
 601
 602   gtk_action_set_accel_path (action, accel_path);
 603   gtk_action_group_add_action (action_group, action);
 604
 605   g_free (accel_path);
 606   g_free (stock_id);
 607   g_free (name);
 608 }
 609
 610 /**
 611  * gtk_action_group_remove_action:
 612  * @action_group: the action group
 613  * @action: an action
 614  *
 615  * Removes an action object from the action group.
 616  *
 617  * Since: 2.4
 618  */
 619 void
 620 gtk_action_group_remove_action (GtkActionGroup *action_group,
 621                                 GtkAction      *action)
 622 {
 623   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
 624   g_return_if_fail (GTK_IS_ACTION (action));
 625   g_return_if_fail (gtk_action_get_name (action) != NULL);
 626
 627   /* extra protection to make sure action->name is valid */
 628   g_object_ref (action);
 629   g_hash_table_remove (action_group->private_data->actions, gtk_action_get_name (action));
 630   g_object_unref (action);
 631 }
 632
 633 static void
 634 add_single_action (gpointer key,
 635                    gpointer value,
 636                    gpointer user_data)
 637 {
 638   GList **list = user_data;
 639
 640   *list = g_list_prepend (*list, value);
 641 }
 642
 643 /**
 644  * gtk_action_group_list_actions:
 645  * @action_group: the action group
 646  *
 647  * Lists the actions in the action group.
 648  *
 649  * Returns: an allocated list of the action objects in the action group
 650  *
 651  * Since: 2.4
 652  */
 653 GList *
 654 gtk_action_group_list_actions (GtkActionGroup *action_group)
 655 {
 656   GList *actions = NULL;
 657   g_return_val_if_fail (GTK_IS_ACTION_GROUP (action_group), NULL);
 658
 659   g_hash_table_foreach (action_group->private_data->actions, add_single_action, &actions);
 660
 661   return g_list_reverse (actions);
 662 }
 663
 664
 665 /**
 666  * gtk_action_group_add_actions:
 667  * @action_group: the action group
 668  * @entries: an array of action descriptions
 669  * @n_entries: the number of entries
 670  * @user_data: data to pass to the action callbacks
 671  *
 672  * This is a convenience function to create a number of actions and add them
 673  * to the action group.
 674  *
 675  * The "activate" signals of the actions are connected to the callbacks and
 676  * their accel paths are set to
 677  * <literal>&lt;Actions&gt;/<replaceable>group-name</replaceable>/<replaceable>action-name</replaceable></literal>.
 678  *
 679  * Since: 2.4
 680  */
 681 void
 682 gtk_action_group_add_actions (GtkActionGroup *action_group,
 683                               GtkActionEntry *entries,
 684                               guint           n_entries,
 685                               gpointer        user_data)
 686 {
 687   gtk_action_group_add_actions_full (action_group,
 688                                      entries, n_entries,
 689                                      user_data, NULL);
 690 }
 691
 692 typedef struct _SharedData  SharedData;
 693
 694 struct _SharedData {
 695   guint          ref_count;
 696   gpointer       data;
 697   GDestroyNotify destroy;
 698 };
 699
 700 static void
 701 shared_data_unref (gpointer data)
 702 {
 703   SharedData *shared_data = (SharedData *)data;
 704
 705   shared_data->ref_count--;
 706   if (shared_data->ref_count == 0)
 707     {
 708       if (shared_data->destroy)
 709         (*shared_data->destroy) (shared_data->data);
 710
 711       g_free (shared_data);
 712     }
 713 }
 714
 715
 716 /**
 717  * gtk_action_group_add_actions_full:
 718  * @action_group: the action group
 719  * @entries: an array of action descriptions
 720  * @n_entries: the number of entries
 721  * @user_data: data to pass to the action callbacks
 722  * @destroy: destroy notification callback for @user_data
 723  *
 724  * This variant of gtk_action_group_add_actions() adds a #GDestroyNotify
 725  * callback for @user_data.
 726  *
 727  * Since: 2.4
 728  */
 729 void
 730 gtk_action_group_add_actions_full (GtkActionGroup *action_group,
 731                                    GtkActionEntry *entries,
 732                                    guint           n_entries,
 733                                    gpointer        user_data,
 734                                    GDestroyNotify  destroy)
 735 {
 736
 737   /* Keep this in sync with the other
 738    * gtk_action_group_add_..._actions_full() functions.
 739    */
 740   guint i;
 741   SharedData *shared_data;
 742
 743   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
 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       label = gtk_action_group_translate_string (action_group, entries[i].label);
 757       tooltip = gtk_action_group_translate_string (action_group, entries[i].tooltip);
 758
 759       action = gtk_action_new (entries[i].name,
 760                                label,
 761                                tooltip,
 762                                entries[i].stock_id);
 763
 764       if (entries[i].callback)
 765         {
 766           GClosure *closure;
 767
 768           closure = g_cclosure_new (entries[i].callback, user_data, NULL);
 769           g_closure_add_finalize_notifier (closure, shared_data,
 770                                            (GClosureNotify)shared_data_unref);
 771           shared_data->ref_count++;
 772
 773           g_signal_connect_closure (action, "activate", closure, FALSE);
 774         }
 775
 776       gtk_action_group_add_action_with_accel (action_group,
 777                                               action,
 778                                               entries[i].accelerator);
 779       g_object_unref (action);
 780     }
 781
 782   shared_data_unref (shared_data);
 783 }
 784
 785 /**
 786  * gtk_action_group_add_toggle_actions:
 787  * @action_group: the action group
 788  * @entries: an array of toggle action descriptions
 789  * @n_entries: the number of entries
 790  * @user_data: data to pass to the action callbacks
 791  *
 792  * This is a convenience function to create a number of toggle actions and add them
 793  * to the action group.
 794  *
 795  * The "activate" signals of the actions are connected to the callbacks and
 796  * their accel paths are set to
 797  * <literal>&lt;Actions&gt;/<replaceable>group-name</replaceable>/<replaceable>action-name</replaceable></literal>.
 798  *
 799  * Since: 2.4
 800  */
 801 void
 802 gtk_action_group_add_toggle_actions (GtkActionGroup       *action_group,
 803                                      GtkToggleActionEntry *entries,
 804                                      guint                 n_entries,
 805                                      gpointer              user_data)
 806 {
 807   gtk_action_group_add_toggle_actions_full (action_group,
 808                                             entries, n_entries,
 809                                             user_data, NULL);
 810 }
 811
 812
 813 /**
 814  * gtk_action_group_add_toggle_actions_full:
 815  * @action_group: the action group
 816  * @entries: an array of toggle action descriptions
 817  * @n_entries: the number of entries
 818  * @user_data: data to pass to the action callbacks
 819  * @destroy: destroy notification callback for @user_data
 820  *
 821  * This variant of gtk_action_group_add_toggle_actions() adds a
 822  * #GDestroyNotify callback for @user_data.
 823  *
 824  * Since: 2.4
 825  */
 826 void
 827 gtk_action_group_add_toggle_actions_full (GtkActionGroup       *action_group,
 828                                           GtkToggleActionEntry *entries,
 829                                           guint                 n_entries,
 830                                           gpointer              user_data,
 831                                           GDestroyNotify        destroy)
 832 {
 833   /* Keep this in sync with the other
 834    * gtk_action_group_add_..._actions_full() functions.
 835    */
 836   guint i;
 837   SharedData *shared_data;
 838
 839   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
 840
 841   shared_data = g_new0 (SharedData, 1);
 842   shared_data->ref_count = 1;
 843   shared_data->data = user_data;
 844   shared_data->destroy = destroy;
 845
 846   for (i = 0; i < n_entries; i++)
 847     {
 848       GtkToggleAction *action;
 849       const gchar *label;
 850       const gchar *tooltip;
 851
 852       label = gtk_action_group_translate_string (action_group, entries[i].label);
 853       tooltip = gtk_action_group_translate_string (action_group, entries[i].tooltip);
 854
 855       action = gtk_toggle_action_new (entries[i].name,
 856                                       label,
 857                                       tooltip,
 858                                       entries[i].stock_id);
 859
 860       gtk_toggle_action_set_active (action, entries[i].is_active);
 861
 862       if (entries[i].callback)
 863         {
 864           GClosure *closure;
 865
 866           closure = g_cclosure_new (entries[i].callback, user_data, NULL);
 867           g_closure_add_finalize_notifier (closure, shared_data,
 868                                            (GClosureNotify)shared_data_unref);
 869           shared_data->ref_count++;
 870
 871           g_signal_connect_closure (action, "activate", closure, FALSE);
 872         }
 873
 874       gtk_action_group_add_action_with_accel (action_group,
 875                                               GTK_ACTION (action),
 876                                               entries[i].accelerator);
 877       g_object_unref (action);
 878     }
 879
 880     shared_data_unref (shared_data);
 881 }
 882
 883 /**
 884  * gtk_action_group_add_radio_actions:
 885  * @action_group: the action group
 886  * @entries: an array of radio action descriptions
 887  * @n_entries: the number of entries
 888  * @value: the value of the action to activate initially, or -1 if
 889  *   no action should be activated
 890  * @on_change: the callback to connect to the changed signal
 891  * @user_data: data to pass to the action callbacks
 892  *
 893  * This is a convenience routine to create a group of radio actions and
 894  * add them to the action group.
 895  *
 896  * The "changed" signal of the first radio action is connected to the
 897  * @on_change callback and the accel paths of the actions are set to
 898  * <literal>&lt;Actions&gt;/<replaceable>group-name</replaceable>/<replaceable>action-name</replaceable></literal>.
 899  *
 900  * Since: 2.4
 901  **/
 902 void
 903 gtk_action_group_add_radio_actions (GtkActionGroup      *action_group,
 904                                     GtkRadioActionEntry *entries,
 905                                     guint                n_entries,
 906                                     gint                 value,
 907                                     GCallback            on_change,
 908                                     gpointer             user_data)
 909 {
 910   gtk_action_group_add_radio_actions_full (action_group,
 911                                            entries, n_entries,
 912                                            value,
 913                                            on_change, user_data, NULL);
 914 }
 915
 916 /**
 917  * gtk_action_group_add_radio_actions_full:
 918  * @action_group: the action group
 919  * @entries: an array of radio action descriptions
 920  * @n_entries: the number of entries
 921  * @value: the value of the action to activate initially, or -1 if
 922  *   no action should be activated
 923  * @on_change: the callback to connect to the changed signal
 924  * @user_data: data to pass to the action callbacks
 925  * @destroy: destroy notification callback for @user_data
 926  *
 927  * This variant of gtk_action_group_add_radio_actions() adds a
 928  * #GDestroyNotify callback for @user_data.
 929  *
 930  * Since: 2.4
 931  **/
 932 void
 933 gtk_action_group_add_radio_actions_full (GtkActionGroup      *action_group,
 934                                          GtkRadioActionEntry *entries,
 935                                          guint                n_entries,
 936                                          gint                 value,
 937                                          GCallback            on_change,
 938                                          gpointer             user_data,
 939                                          GDestroyNotify       destroy)
 940 {
 941   /* Keep this in sync with the other
 942    * gtk_action_group_add_..._actions_full() functions.
 943    */
 944   guint i;
 945   GSList *group = NULL;
 946   GtkRadioAction *first_action = NULL;
 947
 948   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
 949
 950   for (i = 0; i < n_entries; i++)
 951     {
 952       GtkRadioAction *action;
 953       const gchar *label;
 954       const gchar *tooltip;
 955
 956       label = gtk_action_group_translate_string (action_group, entries[i].label);
 957       tooltip = gtk_action_group_translate_string (action_group, entries[i].tooltip);
 958
 959       action = gtk_radio_action_new (entries[i].name,
 960                                      label,
 961                                      tooltip,
 962                                      entries[i].stock_id,
 963                                      entries[i].value);
 964
 965       if (i == 0)
 966         first_action = action;
 967
 968       gtk_radio_action_set_group (action, group);
 969       group = gtk_radio_action_get_group (action);
 970
 971       if (value == entries[i].value)
 972         gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), TRUE);
 973
 974       gtk_action_group_add_action_with_accel (action_group,
 975                                               GTK_ACTION (action),
 976                                               entries[i].accelerator);
 977       g_object_unref (action);
 978     }
 979
 980   if (on_change && first_action)
 981     g_signal_connect_data (first_action, "changed",
 982                            on_change, user_data,
 983                            (GClosureNotify)destroy, 0);
 984 }
 985
 986 /**
 987  * gtk_action_group_set_translate_func:
 988  * @action_group: a #GtkActionGroup
 989  * @func: a #GtkTranslateFunc
 990  * @data: data to be passed to @func and @notify
 991  * @notify: a #GtkDestroyNotify function to be called when @action_group is
 992  *   destroyed and when the translation function is changed again
 993  *
 994  * Sets a function to be used for translating the @label and @tooltip of
 995  * #GtkActionGroupEntry<!-- -->s added by gtk_action_group_add_actions().
 996  *
 997  * If you're using gettext(), it is enough to set the translation domain
 998  * with gtk_action_group_set_translation_domain().
 999  *
1000  * Since: 2.4
1001  **/
1002 void
1003 gtk_action_group_set_translate_func (GtkActionGroup      *action_group,
1004                                      GtkTranslateFunc     func,
1005                                      gpointer             data,
1006                                      GtkDestroyNotify     notify)
1007 {
1008   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
1009
1010   if (action_group->private_data->translate_notify)
1011     action_group->private_data->translate_notify (action_group->private_data->translate_data);
1012
1013   action_group->private_data->translate_func = func;
1014   action_group->private_data->translate_data = data;
1015   action_group->private_data->translate_notify = notify;
1016 }
1017
1018 static gchar *
1019 dgettext_swapped (const gchar *msgid,
1020                   const gchar *domainname)
1021 {
1022   return dgettext (domainname, msgid);
1023 }
1024
1025 /**
1026  * gtk_action_group_set_translation_domain:
1027  * @action_group: a #GtkActionGroup
1028  * @domain: the translation domain to use for dgettext() calls
1029  *
1030  * Sets the translation domain and uses dgettext() for translating the
1031  * @label and @tooltip of #GtkActionEntry<!-- -->s added by
1032  * gtk_action_group_add_actions().
1033  *
1034  * If you're not using gettext() for localization, see
1035  * gtk_action_group_set_translate_func().
1036  *
1037  * Since: 2.4
1038  **/
1039 void
1040 gtk_action_group_set_translation_domain (GtkActionGroup *action_group,
1041                                          const gchar    *domain)
1042 {
1043   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
1044
1045   gtk_action_group_set_translate_func (action_group,
1046                                        (GtkTranslateFunc)dgettext_swapped,
1047                                        g_strdup (domain),
1048                                        g_free);
1049 }
1050
1051 /**
1052  * gtk_action_group_translate_string:
1053  * @action_group: a #GtkActionGroup
1054  * @string: a string
1055  *
1056  * Translates a string using the specified translate_func(). This
1057  * is mainly intended for language bindings.
1058  *
1059  * Returns: the translation of @string
1060  *
1061  * Since: 2.6
1062  **/
1063 gchar *
1064 gtk_action_group_translate_string (GtkActionGroup *action_group,
1065                                    const gchar    *string)
1066 {
1067   GtkTranslateFunc translate_func;
1068   gpointer translate_data;
1069
1070   g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
1071
1072   translate_func = action_group->private_data->translate_func;
1073   translate_data = action_group->private_data->translate_data;
1074
1075   if (translate_func)
1076     return translate_func (string, translate_data);
1077   else
1078     return string;
1079 }
1080
1081 /* Protected for use by GtkAction */
1082 void
1083 _gtk_action_group_emit_connect_proxy  (GtkActionGroup *action_group,
1084                                        GtkAction      *action,
1085                                        GtkWidget      *proxy)
1086 {
1087   g_signal_emit (action_group, action_group_signals[CONNECT_PROXY], 0,
1088                  action, proxy);
1089 }
1090
1091 void
1092 _gtk_action_group_emit_disconnect_proxy  (GtkActionGroup *action_group,
1093                                           GtkAction      *action,
1094                                           GtkWidget      *proxy)
1095 {
1096   g_signal_emit (action_group, action_group_signals[DISCONNECT_PROXY], 0,
1097                  action, proxy);
1098 }
1099
1100 void
1101 _gtk_action_group_emit_pre_activate  (GtkActionGroup *action_group,
1102                                       GtkAction      *action)
1103 {
1104   g_signal_emit (action_group, action_group_signals[PRE_ACTIVATE], 0, action);
1105 }
1106
1107 void
1108 _gtk_action_group_emit_post_activate (GtkActionGroup *action_group,
1109                                       GtkAction *action)
1110 {
1111   g_signal_emit (action_group, action_group_signals[POST_ACTIVATE], 0, action);
1112 }