Pileus Git - ~andy/gtk/blob - gtk/gtkaction.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 "gtkaction.h"
  34 #include "gtkactiongroup.h"
  35 #include "gtkaccellabel.h"
  36 #include "gtkbutton.h"
  37 #include "gtkiconfactory.h"
  38 #include "gtkimage.h"
  39 #include "gtkimagemenuitem.h"
  40 #include "gtkintl.h"
  41 #include "gtklabel.h"
  42 #include "gtkmarshalers.h"
  43 #include "gtkmenuitem.h"
  44 #include "gtkstock.h"
  45 #include "gtktearoffmenuitem.h"
  46 #include "gtktoolbutton.h"
  47 #include "gtktoolbar.h"
  48 #include "gtkprivate.h"
  49 #include "gtkbuildable.h"
  50 #include "gtkalias.h"
  51
  52
  53 #define GTK_ACTION_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_ACTION, GtkActionPrivate))
  54
  55 struct _GtkActionPrivate
  56 {
  57   const gchar *name; /* interned */
  58   gchar *label;
  59   gchar *short_label;
  60   gchar *tooltip;
  61   gchar *stock_id; /* stock icon */
  62   gchar *icon_name; /* themed icon */
  63
  64   guint sensitive          : 1;
  65   guint visible            : 1;
  66   guint label_set          : 1; /* these two used so we can set label */
  67   guint short_label_set    : 1; /* based on stock id */
  68   guint visible_horizontal : 1;
  69   guint visible_vertical   : 1;
  70   guint is_important       : 1;
  71   guint hide_if_empty      : 1;
  72   guint visible_overflown  : 1;
  73
  74   /* accelerator */
  75   guint          accel_count;
  76   GtkAccelGroup *accel_group;
  77   GClosure      *accel_closure;
  78   GQuark         accel_quark;
  79
  80   GtkActionGroup *action_group;
  81
  82   /* list of proxy widgets */
  83   GSList *proxies;
  84 };
  85
  86 enum
  87 {
  88   ACTIVATE,
  89   LAST_SIGNAL
  90 };
  91
  92 enum
  93 {
  94   PROP_0,
  95   PROP_NAME,
  96   PROP_LABEL,
  97   PROP_SHORT_LABEL,
  98   PROP_TOOLTIP,
  99   PROP_STOCK_ID,
 100   PROP_ICON_NAME,
 101   PROP_VISIBLE_HORIZONTAL,
 102   PROP_VISIBLE_VERTICAL,
 103   PROP_VISIBLE_OVERFLOWN,
 104   PROP_IS_IMPORTANT,
 105   PROP_HIDE_IF_EMPTY,
 106   PROP_SENSITIVE,
 107   PROP_VISIBLE,
 108   PROP_ACTION_GROUP
 109 };
 110
 111 /* GtkBuildable */
 112 static void gtk_action_buildable_init             (GtkBuildableIface *iface);
 113 static void gtk_action_buildable_set_name         (GtkBuildable *buildable,
 114                                                    const gchar  *name);
 115 static const gchar* gtk_action_buildable_get_name (GtkBuildable *buildable);
 116
 117 G_DEFINE_TYPE_WITH_CODE (GtkAction, gtk_action, G_TYPE_OBJECT,
 118                          G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
 119                                                 gtk_action_buildable_init))
 120
 121
 122 static GQuark      quark_gtk_action_proxy  = 0;
 123 static const gchar gtk_action_proxy_key[] = "gtk-action";
 124
 125 static void gtk_action_finalize     (GObject *object);
 126 static void gtk_action_set_property (GObject         *object,
 127                                      guint            prop_id,
 128                                      const GValue    *value,
 129                                      GParamSpec      *pspec);
 130 static void gtk_action_get_property (GObject         *object,
 131                                      guint            prop_id,
 132                                      GValue          *value,
 133                                      GParamSpec      *pspec);
 134 static void gtk_action_set_action_group (GtkAction      *action,
 135                                          GtkActionGroup *action_group);
 136 static void gtk_action_set_is_important (GtkAction      *action,
 137                                          gboolean        is_important);
 138 static void gtk_action_set_label        (GtkAction      *action,
 139                                          const gchar    *label);
 140 static void gtk_action_set_short_label  (GtkAction      *action,
 141                                          const gchar    *label);
 142 static void gtk_action_set_visible_horizontal (GtkAction *action,
 143                                                gboolean   visible_horizontal);
 144 static void gtk_action_set_visible_vertical   (GtkAction *action,
 145                                                gboolean   visible_vertical);
 146 static void gtk_action_set_tooltip      (GtkAction      *action,
 147                                          const gchar    *tooltip);
 148 static void gtk_action_set_stock_id     (GtkAction      *action,
 149                                          const gchar    *stock_id);
 150 static void gtk_action_set_icon_name     (GtkAction     *action,
 151                                          const gchar    *icon_name);
 152 static void gtk_action_sync_tooltip     (GtkAction      *action,
 153                                          GtkWidget      *proxy);
 154
 155 static GtkWidget *create_menu_item    (GtkAction *action);
 156 static GtkWidget *create_tool_item    (GtkAction *action);
 157 static void       connect_proxy       (GtkAction *action,
 158                                        GtkWidget *proxy);
 159 static void       disconnect_proxy    (GtkAction *action,
 160                                        GtkWidget *proxy);
 161
 162 static void       closure_accel_activate (GClosure     *closure,
 163                                           GValue       *return_value,
 164                                           guint         n_param_values,
 165                                           const GValue *param_values,
 166                                           gpointer      invocation_hint,
 167                                           gpointer      marshal_data);
 168
 169 static guint         action_signals[LAST_SIGNAL] = { 0 };
 170
 171
 172 static void
 173 gtk_action_class_init (GtkActionClass *klass)
 174 {
 175   GObjectClass *gobject_class;
 176
 177   quark_gtk_action_proxy = g_quark_from_static_string (gtk_action_proxy_key);
 178
 179   gobject_class = G_OBJECT_CLASS (klass);
 180
 181   gobject_class->finalize     = gtk_action_finalize;
 182   gobject_class->set_property = gtk_action_set_property;
 183   gobject_class->get_property = gtk_action_get_property;
 184
 185   klass->activate = NULL;
 186
 187   klass->create_menu_item = create_menu_item;
 188   klass->create_tool_item = create_tool_item;
 189   klass->create_menu = NULL;
 190   klass->connect_proxy = connect_proxy;
 191   klass->disconnect_proxy = disconnect_proxy;
 192
 193   klass->menu_item_type = GTK_TYPE_IMAGE_MENU_ITEM;
 194   klass->toolbar_item_type = GTK_TYPE_TOOL_BUTTON;
 195
 196   g_object_class_install_property (gobject_class,
 197                                    PROP_NAME,
 198                                    g_param_spec_string ("name",
 199                                                         P_("Name"),
 200                                                         P_("A unique name for the action."),
 201                                                         NULL,
 202                                                         GTK_PARAM_READWRITE |
 203                                                         G_PARAM_CONSTRUCT_ONLY));
 204
 205   /**
 206    * GtkAction:label:
 207    *
 208    * The label used for menu items and buttons that activate
 209    * this action. If the label is %NULL, GTK+ uses the stock
 210    * label specified via the stock-id property.
 211    */
 212   g_object_class_install_property (gobject_class,
 213                                    PROP_LABEL,
 214                                    g_param_spec_string ("label",
 215                                                         P_("Label"),
 216                                                         P_("The label used for menu items and buttons "
 217                                                            "that activate this action."),
 218                                                         NULL,
 219                                                         GTK_PARAM_READWRITE));
 220   g_object_class_install_property (gobject_class,
 221                                    PROP_SHORT_LABEL,
 222                                    g_param_spec_string ("short-label",
 223                                                         P_("Short label"),
 224                                                         P_("A shorter label that may be used on toolbar buttons."),
 225                                                         NULL,
 226                                                         GTK_PARAM_READWRITE));
 227   g_object_class_install_property (gobject_class,
 228                                    PROP_TOOLTIP,
 229                                    g_param_spec_string ("tooltip",
 230                                                         P_("Tooltip"),
 231                                                         P_("A tooltip for this action."),
 232                                                         NULL,
 233                                                         GTK_PARAM_READWRITE));
 234   g_object_class_install_property (gobject_class,
 235                                    PROP_STOCK_ID,
 236                                    g_param_spec_string ("stock-id",
 237                                                         P_("Stock Icon"),
 238                                                         P_("The stock icon displayed in widgets representing "
 239                                                            "this action."),
 240                                                         NULL,
 241                                                         GTK_PARAM_READWRITE));
 242   /**
 243    * GtkAction:icon-name:
 244    *
 245    * The name of the icon from the icon theme.
 246    * Note that the stock icon is preferred, if
 247    * the ::stock-id property holds the id of an
 248    * existing stock icon.
 249    *
 250    * Since: 2.10
 251    */
 252   g_object_class_install_property (gobject_class,
 253                                    PROP_ICON_NAME,
 254                                    g_param_spec_string ("icon-name",
 255                                                         P_("Icon Name"),
 256                                                         P_("The name of the icon from the icon theme"),
 257                                                         NULL,
 258                                                         GTK_PARAM_READWRITE));
 259   g_object_class_install_property (gobject_class,
 260                                    PROP_VISIBLE_HORIZONTAL,
 261                                    g_param_spec_boolean ("visible-horizontal",
 262                                                          P_("Visible when horizontal"),
 263                                                          P_("Whether the toolbar item is visible when the toolbar "
 264                                                             "is in a horizontal orientation."),
 265                                                          TRUE,
 266                                                          GTK_PARAM_READWRITE));
 267   /**
 268    * GtkAction:visible-overflown:
 269    *
 270    * When %TRUE, toolitem proxies for this action are represented in the
 271    * toolbar overflow menu.
 272    *
 273    * Since: 2.6
 274    */
 275   g_object_class_install_property (gobject_class,
 276                                    PROP_VISIBLE_OVERFLOWN,
 277                                    g_param_spec_boolean ("visible-overflown",
 278                                                          P_("Visible when overflown"),
 279                                                          P_("When TRUE, toolitem proxies for this action "
 280                                                             "are represented in the toolbar overflow menu."),
 281                                                          TRUE,
 282                                                          GTK_PARAM_READWRITE));
 283   g_object_class_install_property (gobject_class,
 284                                    PROP_VISIBLE_VERTICAL,
 285                                    g_param_spec_boolean ("visible-vertical",
 286                                                          P_("Visible when vertical"),
 287                                                          P_("Whether the toolbar item is visible when the toolbar "
 288                                                             "is in a vertical orientation."),
 289                                                          TRUE,
 290                                                          GTK_PARAM_READWRITE));
 291   g_object_class_install_property (gobject_class,
 292                                    PROP_IS_IMPORTANT,
 293                                    g_param_spec_boolean ("is-important",
 294                                                          P_("Is important"),
 295                                                          P_("Whether the action is considered important. "
 296                                                             "When TRUE, toolitem proxies for this action "
 297                                                             "show text in GTK_TOOLBAR_BOTH_HORIZ mode."),
 298                                                          FALSE,
 299                                                          GTK_PARAM_READWRITE));
 300   g_object_class_install_property (gobject_class,
 301                                    PROP_HIDE_IF_EMPTY,
 302                                    g_param_spec_boolean ("hide-if-empty",
 303                                                          P_("Hide if empty"),
 304                                                          P_("When TRUE, empty menu proxies for this action are hidden."),
 305                                                          TRUE,
 306                                                          GTK_PARAM_READWRITE));
 307   g_object_class_install_property (gobject_class,
 308                                    PROP_SENSITIVE,
 309                                    g_param_spec_boolean ("sensitive",
 310                                                          P_("Sensitive"),
 311                                                          P_("Whether the action is enabled."),
 312                                                          TRUE,
 313                                                          GTK_PARAM_READWRITE));
 314   g_object_class_install_property (gobject_class,
 315                                    PROP_VISIBLE,
 316                                    g_param_spec_boolean ("visible",
 317                                                          P_("Visible"),
 318                                                          P_("Whether the action is visible."),
 319                                                          TRUE,
 320                                                          GTK_PARAM_READWRITE));
 321   g_object_class_install_property (gobject_class,
 322                                    PROP_ACTION_GROUP,
 323                                    g_param_spec_object ("action-group",
 324                                                          P_("Action Group"),
 325                                                          P_("The GtkActionGroup this GtkAction is associated with, or NULL (for internal use)."),
 326                                                          GTK_TYPE_ACTION_GROUP,
 327                                                          GTK_PARAM_READWRITE));
 328
 329   /**
 330    * GtkAction::activate:
 331    * @action: the #GtkAction
 332    *
 333    * The "activate" signal is emitted when the action is activated.
 334    *
 335    * Since: 2.4
 336    */
 337   action_signals[ACTIVATE] =
 338     g_signal_new (I_("activate"),
 339                   G_OBJECT_CLASS_TYPE (klass),
 340                   G_SIGNAL_RUN_FIRST | G_SIGNAL_NO_RECURSE,
 341                   G_STRUCT_OFFSET (GtkActionClass, activate),  NULL, NULL,
 342                   g_cclosure_marshal_VOID__VOID,
 343                   G_TYPE_NONE, 0);
 344
 345   g_type_class_add_private (gobject_class, sizeof (GtkActionPrivate));
 346 }
 347
 348
 349 static void
 350 gtk_action_init (GtkAction *action)
 351 {
 352   action->private_data = GTK_ACTION_GET_PRIVATE (action);
 353
 354   action->private_data->name = NULL;
 355   action->private_data->label = NULL;
 356   action->private_data->short_label = NULL;
 357   action->private_data->tooltip = NULL;
 358   action->private_data->stock_id = NULL;
 359   action->private_data->icon_name = NULL;
 360   action->private_data->visible_horizontal = TRUE;
 361   action->private_data->visible_vertical   = TRUE;
 362   action->private_data->visible_overflown  = TRUE;
 363   action->private_data->is_important = FALSE;
 364   action->private_data->hide_if_empty = TRUE;
 365
 366   action->private_data->sensitive = TRUE;
 367   action->private_data->visible = TRUE;
 368
 369   action->private_data->label_set = FALSE;
 370   action->private_data->short_label_set = FALSE;
 371
 372   action->private_data->accel_count = 0;
 373   action->private_data->accel_group = NULL;
 374   action->private_data->accel_quark = 0;
 375   action->private_data->accel_closure =
 376     g_closure_new_object (sizeof (GClosure), G_OBJECT (action));
 377   g_closure_set_marshal (action->private_data->accel_closure,
 378                          closure_accel_activate);
 379   g_closure_ref (action->private_data->accel_closure);
 380   g_closure_sink (action->private_data->accel_closure);
 381
 382   action->private_data->action_group = NULL;
 383
 384   action->private_data->proxies = NULL;
 385 }
 386
 387 static void
 388 gtk_action_buildable_init (GtkBuildableIface *iface)
 389 {
 390   iface->set_name = gtk_action_buildable_set_name;
 391   iface->get_name = gtk_action_buildable_get_name;
 392 }
 393
 394 static void
 395 gtk_action_buildable_set_name (GtkBuildable *buildable,
 396                                const gchar  *name)
 397 {
 398   GtkAction *action = GTK_ACTION (buildable);
 399
 400   action->private_data->name = g_intern_string (name);
 401 }
 402
 403 static const gchar *
 404 gtk_action_buildable_get_name (GtkBuildable *buildable)
 405 {
 406   GtkAction *action = GTK_ACTION (buildable);
 407
 408   return action->private_data->name;
 409 }
 410
 411 /**
 412  * gtk_action_new:
 413  * @name: A unique name for the action
 414  * @label: the label displayed in menu items and on buttons, or %NULL
 415  * @tooltip: a tooltip for the action, or %NULL
 416  * @stock_id: the stock icon to display in widgets representing the
 417  *   action, or %NULL
 418  *
 419  * Creates a new #GtkAction object. To add the action to a
 420  * #GtkActionGroup and set the accelerator for the action,
 421  * call gtk_action_group_add_action_with_accel().
 422  * See <xref linkend="XML-UI"/> for information on allowed action
 423  * names.
 424  *
 425  * Return value: a new #GtkAction
 426  *
 427  * Since: 2.4
 428  */
 429 GtkAction *
 430 gtk_action_new (const gchar *name,
 431                 const gchar *label,
 432                 const gchar *tooltip,
 433                 const gchar *stock_id)
 434 {
 435   g_return_val_if_fail (name != NULL, NULL);
 436
 437   return g_object_new (GTK_TYPE_ACTION,
 438                        "name", name,
 439                        "label", label,
 440                        "tooltip", tooltip,
 441                        "stock-id", stock_id,
 442                        NULL);
 443 }
 444
 445 static void
 446 gtk_action_finalize (GObject *object)
 447 {
 448   GtkAction *action;
 449   action = GTK_ACTION (object);
 450
 451   g_free (action->private_data->label);
 452   g_free (action->private_data->short_label);
 453   g_free (action->private_data->tooltip);
 454   g_free (action->private_data->stock_id);
 455   g_free (action->private_data->icon_name);
 456
 457   g_closure_unref (action->private_data->accel_closure);
 458   if (action->private_data->accel_group)
 459     g_object_unref (action->private_data->accel_group);
 460
 461   G_OBJECT_CLASS (gtk_action_parent_class)->finalize (object);
 462 }
 463
 464 static void
 465 gtk_action_set_property (GObject         *object,
 466                          guint            prop_id,
 467                          const GValue    *value,
 468                          GParamSpec      *pspec)
 469 {
 470   GtkAction *action;
 471
 472   action = GTK_ACTION (object);
 473
 474   switch (prop_id)
 475     {
 476     case PROP_NAME:
 477       action->private_data->name = g_intern_string (g_value_get_string (value));
 478       break;
 479     case PROP_LABEL:
 480       gtk_action_set_label (action, g_value_get_string (value));
 481       break;
 482     case PROP_SHORT_LABEL:
 483       gtk_action_set_short_label (action, g_value_get_string (value));
 484       break;
 485     case PROP_TOOLTIP:
 486       gtk_action_set_tooltip (action, g_value_get_string (value));
 487       break;
 488     case PROP_STOCK_ID:
 489       gtk_action_set_stock_id (action, g_value_get_string (value));
 490       break;
 491     case PROP_ICON_NAME:
 492       gtk_action_set_icon_name (action, g_value_get_string (value));
 493       break;
 494     case PROP_VISIBLE_HORIZONTAL:
 495       gtk_action_set_visible_horizontal (action, g_value_get_boolean (value));
 496       break;
 497     case PROP_VISIBLE_VERTICAL:
 498       gtk_action_set_visible_vertical (action, g_value_get_boolean (value));
 499       break;
 500     case PROP_VISIBLE_OVERFLOWN:
 501       action->private_data->visible_overflown = g_value_get_boolean (value);
 502       break;
 503     case PROP_IS_IMPORTANT:
 504       gtk_action_set_is_important (action, g_value_get_boolean (value));
 505       break;
 506     case PROP_HIDE_IF_EMPTY:
 507       action->private_data->hide_if_empty = g_value_get_boolean (value);
 508       break;
 509     case PROP_SENSITIVE:
 510       gtk_action_set_sensitive (action, g_value_get_boolean (value));
 511       break;
 512     case PROP_VISIBLE:
 513       gtk_action_set_visible (action, g_value_get_boolean (value));
 514       break;
 515     case PROP_ACTION_GROUP:
 516       gtk_action_set_action_group (action, g_value_get_object (value));
 517       break;
 518     default:
 519       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 520       break;
 521     }
 522 }
 523
 524 static void
 525 gtk_action_get_property (GObject    *object,
 526                          guint       prop_id,
 527                          GValue     *value,
 528                          GParamSpec *pspec)
 529 {
 530   GtkAction *action;
 531
 532   action = GTK_ACTION (object);
 533
 534   switch (prop_id)
 535     {
 536     case PROP_NAME:
 537       g_value_set_static_string (value, action->private_data->name);
 538       break;
 539     case PROP_LABEL:
 540       g_value_set_string (value, action->private_data->label);
 541       break;
 542     case PROP_SHORT_LABEL:
 543       g_value_set_string (value, action->private_data->short_label);
 544       break;
 545     case PROP_TOOLTIP:
 546       g_value_set_string (value, action->private_data->tooltip);
 547       break;
 548     case PROP_STOCK_ID:
 549       g_value_set_string (value, action->private_data->stock_id);
 550       break;
 551     case PROP_ICON_NAME:
 552       g_value_set_string (value, action->private_data->icon_name);
 553       break;
 554     case PROP_VISIBLE_HORIZONTAL:
 555       g_value_set_boolean (value, action->private_data->visible_horizontal);
 556       break;
 557     case PROP_VISIBLE_VERTICAL:
 558       g_value_set_boolean (value, action->private_data->visible_vertical);
 559       break;
 560     case PROP_VISIBLE_OVERFLOWN:
 561       g_value_set_boolean (value, action->private_data->visible_overflown);
 562       break;
 563     case PROP_IS_IMPORTANT:
 564       g_value_set_boolean (value, action->private_data->is_important);
 565       break;
 566     case PROP_HIDE_IF_EMPTY:
 567       g_value_set_boolean (value, action->private_data->hide_if_empty);
 568       break;
 569     case PROP_SENSITIVE:
 570       g_value_set_boolean (value, action->private_data->sensitive);
 571       break;
 572     case PROP_VISIBLE:
 573       g_value_set_boolean (value, action->private_data->visible);
 574       break;
 575     case PROP_ACTION_GROUP:
 576       g_value_set_object (value, action->private_data->action_group);
 577       break;
 578     default:
 579       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 580       break;
 581     }
 582 }
 583
 584 static GtkWidget *
 585 create_menu_item (GtkAction *action)
 586 {
 587   GType menu_item_type;
 588
 589   menu_item_type = GTK_ACTION_GET_CLASS (action)->menu_item_type;
 590
 591   return g_object_new (menu_item_type, NULL);
 592 }
 593
 594 static GtkWidget *
 595 create_tool_item (GtkAction *action)
 596 {
 597   GType toolbar_item_type;
 598
 599   toolbar_item_type = GTK_ACTION_GET_CLASS (action)->toolbar_item_type;
 600
 601   return g_object_new (toolbar_item_type, NULL);
 602 }
 603
 604 static void
 605 remove_proxy (GtkAction *action,
 606               GtkWidget *proxy)
 607 {
 608   if (GTK_IS_MENU_ITEM (proxy))
 609     gtk_action_disconnect_accelerator (action);
 610
 611   action->private_data->proxies = g_slist_remove (action->private_data->proxies, proxy);
 612 }
 613
 614 /**
 615  * _gtk_action_sync_menu_visible:
 616  * @action: a #GtkAction, or %NULL to determine the action from @proxy
 617  * @proxy: a proxy menu item
 618  * @empty: whether the submenu attached to @proxy is empty
 619  *
 620  * Updates the visibility of @proxy from the visibility of @action
 621  * according to the following rules:
 622  * <itemizedlist>
 623  * <listitem><para>if @action is invisible, @proxy is too
 624  * </para></listitem>
 625  * <listitem><para>if @empty is %TRUE, hide @proxy unless the "hide-if-empty"
 626  *   property of @action indicates otherwise
 627  * </para></listitem>
 628  * </itemizedlist>
 629  *
 630  * This function is used in the implementation of #GtkUIManager.
 631  **/
 632 void
 633 _gtk_action_sync_menu_visible (GtkAction *action,
 634                                GtkWidget *proxy,
 635                                gboolean   empty)
 636 {
 637   gboolean visible = TRUE;
 638   gboolean hide_if_empty = TRUE;
 639
 640   g_return_if_fail (GTK_IS_MENU_ITEM (proxy));
 641   g_return_if_fail (action == NULL || GTK_IS_ACTION (action));
 642
 643   if (action == NULL)
 644     action = g_object_get_qdata (G_OBJECT (proxy), quark_gtk_action_proxy);
 645
 646   if (action)
 647     {
 648       /* a GtkMenu for a <popup/> doesn't have to have an action */
 649       visible = gtk_action_is_visible (action);
 650       hide_if_empty = action->private_data->hide_if_empty;
 651     }
 652
 653   if (visible && !(empty && hide_if_empty))
 654     gtk_widget_show (proxy);
 655   else
 656     gtk_widget_hide (proxy);
 657 }
 658
 659 gboolean _gtk_menu_is_empty (GtkWidget *menu);
 660
 661 static gboolean
 662 gtk_action_create_menu_proxy (GtkToolItem *tool_item,
 663                               GtkAction   *action)
 664 {
 665   GtkWidget *menu_item;
 666
 667   if (action->private_data->visible_overflown)
 668     {
 669       menu_item = gtk_action_create_menu_item (action);
 670
 671       g_object_ref_sink (menu_item);
 672
 673       gtk_tool_item_set_proxy_menu_item (tool_item,
 674                                          "gtk-action-menu-item", menu_item);
 675       g_object_unref (menu_item);
 676     }
 677   else
 678     gtk_tool_item_set_proxy_menu_item (tool_item,
 679                                        "gtk-action-menu-item", NULL);
 680
 681   return TRUE;
 682 }
 683
 684 static void
 685 connect_proxy (GtkAction     *action,
 686                GtkWidget     *proxy)
 687 {
 688   g_object_ref (action);
 689   g_object_set_qdata_full (G_OBJECT (proxy), quark_gtk_action_proxy, action,
 690                            g_object_unref);
 691
 692   /* add this widget to the list of proxies */
 693   action->private_data->proxies = g_slist_prepend (action->private_data->proxies, proxy);
 694   g_object_weak_ref (G_OBJECT (proxy), (GWeakNotify)remove_proxy, action);
 695
 696   gtk_widget_set_sensitive (proxy, gtk_action_is_sensitive (action));
 697   if (gtk_action_is_visible (action))
 698     gtk_widget_show (proxy);
 699   else
 700     gtk_widget_hide (proxy);
 701   gtk_widget_set_no_show_all (proxy, TRUE);
 702
 703   if (GTK_IS_MENU_ITEM (proxy))
 704     {
 705       GtkWidget *label;
 706       /* menu item specific synchronisers ... */
 707
 708       if (action->private_data->accel_quark)
 709         {
 710           gtk_action_connect_accelerator (action);
 711           gtk_menu_item_set_accel_path (GTK_MENU_ITEM (proxy),
 712                                         g_quark_to_string (action->private_data->accel_quark));
 713         }
 714
 715       label = GTK_BIN (proxy)->child;
 716
 717       /* make sure label is a label */
 718       if (label && !GTK_IS_LABEL (label))
 719         {
 720           gtk_container_remove (GTK_CONTAINER (proxy), label);
 721           label = NULL;
 722         }
 723
 724       if (!label)
 725         label = g_object_new (GTK_TYPE_ACCEL_LABEL,
 726                               "use-underline", TRUE,
 727                               "xalign", 0.0,
 728                               "visible", TRUE,
 729                               "parent", proxy,
 730                               NULL);
 731
 732       if (GTK_IS_ACCEL_LABEL (label) && action->private_data->accel_quark)
 733         g_object_set (label,
 734                       "accel-closure", action->private_data->accel_closure,
 735                       NULL);
 736
 737       gtk_label_set_label (GTK_LABEL (label), action->private_data->label);
 738
 739       if (GTK_IS_IMAGE_MENU_ITEM (proxy))
 740         {
 741           GtkWidget *image;
 742
 743           image = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (proxy));
 744           if (image && !GTK_IS_IMAGE (image))
 745             {
 746               gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (proxy), NULL);
 747               image = NULL;
 748             }
 749           if (!image)
 750             {
 751               image = gtk_image_new ();
 752               gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (proxy),
 753                                              image);
 754               gtk_widget_show (image);
 755             }
 756
 757           if (action->private_data->stock_id &&
 758               gtk_icon_factory_lookup_default (action->private_data->stock_id))
 759             gtk_image_set_from_stock (GTK_IMAGE (image),
 760                                       action->private_data->stock_id, GTK_ICON_SIZE_MENU);
 761           else if (action->private_data->icon_name)
 762             gtk_image_set_from_icon_name (GTK_IMAGE (image),
 763                                           action->private_data->icon_name, GTK_ICON_SIZE_MENU);
 764         }
 765
 766       if (gtk_menu_item_get_submenu (GTK_MENU_ITEM (proxy)) == NULL)
 767         g_signal_connect_object (proxy, "activate",
 768                                  G_CALLBACK (gtk_action_activate), action,
 769                                  G_CONNECT_SWAPPED);
 770
 771     }
 772   else if (GTK_IS_TOOL_ITEM (proxy))
 773     {
 774       /* toolbar button specific synchronisers ... */
 775       if (GTK_IS_TOOL_BUTTON (proxy))
 776         {
 777           g_object_set (proxy,
 778                         "visible-horizontal", action->private_data->visible_horizontal,
 779                         "visible-vertical", action->private_data->visible_vertical,
 780                         "is-important", action->private_data->is_important,
 781                         "label", action->private_data->short_label,
 782                         "use-underline", TRUE,
 783                         "stock-id", action->private_data->stock_id,
 784                         "icon-name", action->private_data->icon_name,
 785                         NULL);
 786
 787           g_signal_connect_object (proxy, "clicked",
 788                                    G_CALLBACK (gtk_action_activate), action,
 789                                    G_CONNECT_SWAPPED);
 790         }
 791       else
 792         {
 793            g_object_set (proxy,
 794                          "visible-horizontal", action->private_data->visible_horizontal,
 795                          "visible-vertical", action->private_data->visible_vertical,
 796                          "is-important", action->private_data->is_important,
 797                          NULL);
 798        }
 799
 800       gtk_action_sync_tooltip (action, proxy);
 801
 802       g_signal_connect_object (proxy, "create_menu_proxy",
 803                                G_CALLBACK (gtk_action_create_menu_proxy),
 804                                action, 0);
 805
 806       gtk_tool_item_rebuild_menu (GTK_TOOL_ITEM (proxy));
 807     }
 808   else if (GTK_IS_BUTTON (proxy))
 809     {
 810       /* button specific synchronisers ... */
 811       if (gtk_button_get_use_stock (GTK_BUTTON (proxy)))
 812         {
 813           /* synchronise stock-id */
 814           g_object_set (proxy,
 815                         "label", action->private_data->stock_id,
 816                         NULL);
 817         }
 818       else
 819         {
 820           if (GTK_BIN (proxy)->child == NULL ||
 821               GTK_IS_LABEL (GTK_BIN (proxy)->child))
 822             {
 823               /* synchronise the label */
 824               g_object_set (proxy,
 825                             "label", action->private_data->short_label,
 826                             "use-underline", TRUE,
 827                             NULL);
 828             }
 829         }
 830       /* we leave the button alone if there is a custom child */
 831       g_signal_connect_object (proxy, "clicked",
 832                                G_CALLBACK (gtk_action_activate), action,
 833                                G_CONNECT_SWAPPED);
 834     }
 835
 836   if (action->private_data->action_group)
 837     _gtk_action_group_emit_connect_proxy (action->private_data->action_group, action, proxy);
 838 }
 839
 840 static void
 841 disconnect_proxy (GtkAction *action,
 842                   GtkWidget *proxy)
 843 {
 844   g_object_set_qdata (G_OBJECT (proxy), quark_gtk_action_proxy, NULL);
 845
 846   g_object_weak_unref (G_OBJECT (proxy), (GWeakNotify)remove_proxy, action);
 847   remove_proxy (action, proxy);
 848
 849   /* disconnect the activate handler */
 850   g_signal_handlers_disconnect_by_func (proxy,
 851                                         G_CALLBACK (gtk_action_activate),
 852                                         action);
 853
 854   /* toolbar button specific synchronisers ... */
 855   g_signal_handlers_disconnect_by_func (proxy,
 856                                         G_CALLBACK (gtk_action_create_menu_proxy),
 857                                         action);
 858
 859   if (action->private_data->action_group)
 860     _gtk_action_group_emit_disconnect_proxy (action->private_data->action_group, action, proxy);
 861 }
 862
 863 void
 864 _gtk_action_emit_activate (GtkAction *action)
 865 {
 866   GtkActionGroup *group = action->private_data->action_group;
 867
 868   if (group != NULL)
 869     {
 870       g_object_ref (group);
 871       _gtk_action_group_emit_pre_activate (group, action);
 872     }
 873
 874     g_signal_emit (action, action_signals[ACTIVATE], 0);
 875
 876   if (group != NULL)
 877     {
 878       _gtk_action_group_emit_post_activate (group, action);
 879       g_object_unref (group);
 880     }
 881 }
 882
 883 /**
 884  * gtk_action_activate:
 885  * @action: the action object
 886  *
 887  * Emits the "activate" signal on the specified action, if it isn't
 888  * insensitive. This gets called by the proxy widgets when they get
 889  * activated.
 890  *
 891  * It can also be used to manually activate an action.
 892  *
 893  * Since: 2.4
 894  */
 895 void
 896 gtk_action_activate (GtkAction *action)
 897 {
 898   g_return_if_fail (GTK_IS_ACTION (action));
 899
 900   if (gtk_action_is_sensitive (action))
 901     _gtk_action_emit_activate (action);
 902 }
 903
 904 /**
 905  * gtk_action_create_icon:
 906  * @action: the action object
 907  * @icon_size: the size of the icon that should be created.
 908  *
 909  * This function is intended for use by action implementations to
 910  * create icons displayed in the proxy widgets.
 911  *
 912  * Returns: a widget that displays the icon for this action.
 913  *
 914  * Since: 2.4
 915  */
 916 GtkWidget *
 917 gtk_action_create_icon (GtkAction *action, GtkIconSize icon_size)
 918 {
 919   g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
 920
 921   if (action->private_data->stock_id &&
 922       gtk_icon_factory_lookup_default (action->private_data->stock_id))
 923     return gtk_image_new_from_stock (action->private_data->stock_id, icon_size);
 924   else if (action->private_data->icon_name)
 925     return gtk_image_new_from_icon_name (action->private_data->icon_name, icon_size);
 926   else
 927     return NULL;
 928 }
 929
 930 /**
 931  * gtk_action_create_menu_item:
 932  * @action: the action object
 933  *
 934  * Creates a menu item widget that proxies for the given action.
 935  *
 936  * Returns: a menu item connected to the action.
 937  *
 938  * Since: 2.4
 939  */
 940 GtkWidget *
 941 gtk_action_create_menu_item (GtkAction *action)
 942 {
 943   GtkWidget *menu_item;
 944
 945   g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
 946
 947   menu_item = (* GTK_ACTION_GET_CLASS (action)->create_menu_item) (action);
 948
 949   (* GTK_ACTION_GET_CLASS (action)->connect_proxy) (action, menu_item);
 950
 951   return menu_item;
 952 }
 953
 954 /**
 955  * gtk_action_create_tool_item:
 956  * @action: the action object
 957  *
 958  * Creates a toolbar item widget that proxies for the given action.
 959  *
 960  * Returns: a toolbar item connected to the action.
 961  *
 962  * Since: 2.4
 963  */
 964 GtkWidget *
 965 gtk_action_create_tool_item (GtkAction *action)
 966 {
 967   GtkWidget *button;
 968
 969   g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
 970
 971   button = (* GTK_ACTION_GET_CLASS (action)->create_tool_item) (action);
 972
 973   (* GTK_ACTION_GET_CLASS (action)->connect_proxy) (action, button);
 974
 975   return button;
 976 }
 977
 978 /**
 979  * gtk_action_connect_proxy:
 980  * @action: the action object
 981  * @proxy: the proxy widget
 982  *
 983  * Connects a widget to an action object as a proxy.  Synchronises
 984  * various properties of the action with the widget (such as label
 985  * text, icon, tooltip, etc), and attaches a callback so that the
 986  * action gets activated when the proxy widget does.
 987  *
 988  * If the widget is already connected to an action, it is disconnected
 989  * first.
 990  *
 991  * Since: 2.4
 992  */
 993 void
 994 gtk_action_connect_proxy (GtkAction *action,
 995                           GtkWidget *proxy)
 996 {
 997   GtkAction *prev_action;
 998
 999   g_return_if_fail (GTK_IS_ACTION (action));
1000   g_return_if_fail (GTK_IS_WIDGET (proxy));
1001
1002   prev_action = g_object_get_qdata (G_OBJECT (proxy), quark_gtk_action_proxy);
1003
1004   if (prev_action)
1005     (* GTK_ACTION_GET_CLASS (action)->disconnect_proxy) (prev_action, proxy);
1006
1007   (* GTK_ACTION_GET_CLASS (action)->connect_proxy) (action, proxy);
1008 }
1009
1010 /**
1011  * gtk_action_disconnect_proxy:
1012  * @action: the action object
1013  * @proxy: the proxy widget
1014  *
1015  * Disconnects a proxy widget from an action.
1016  * Does <emphasis>not</emphasis> destroy the widget, however.
1017  *
1018  * Since: 2.4
1019  */
1020 void
1021 gtk_action_disconnect_proxy (GtkAction *action,
1022                              GtkWidget *proxy)
1023 {
1024   g_return_if_fail (GTK_IS_ACTION (action));
1025   g_return_if_fail (GTK_IS_WIDGET (proxy));
1026
1027   g_return_if_fail (g_object_get_qdata (G_OBJECT (proxy), quark_gtk_action_proxy) == action);
1028
1029   (* GTK_ACTION_GET_CLASS (action)->disconnect_proxy) (action, proxy);
1030 }
1031
1032 /**
1033  * gtk_action_get_proxies:
1034  * @action: the action object
1035  *
1036  * Returns the proxy widgets for an action.
1037  * See also gtk_widget_get_action().
1038  *
1039  * Return value: a #GSList of proxy widgets. The list is owned by GTK+
1040  * and must not be modified.
1041  *
1042  * Since: 2.4
1043  **/
1044 GSList*
1045 gtk_action_get_proxies (GtkAction *action)
1046 {
1047   g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
1048
1049   return action->private_data->proxies;
1050 }
1051
1052
1053 /**
1054  * gtk_widget_get_action:
1055  * @widget: a #GtkWidget
1056  *
1057  * Returns the #GtkAction that @widget is a proxy for.
1058  * See also gtk_action_get_proxies().
1059  *
1060  * Returns: the action that a widget is a proxy for, or
1061  *  %NULL, if it is not attached to an action.
1062  *
1063  * Since: 2.10
1064  */
1065 GtkAction*
1066 gtk_widget_get_action (GtkWidget *widget)
1067 {
1068   g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
1069
1070   return g_object_get_qdata (G_OBJECT (widget), quark_gtk_action_proxy);
1071 }
1072
1073
1074 /**
1075  * gtk_action_get_name:
1076  * @action: the action object
1077  *
1078  * Returns the name of the action.
1079  *
1080  * Return value: the name of the action. The string belongs to GTK+ and should not
1081  *   be freed.
1082  *
1083  * Since: 2.4
1084  **/
1085 G_CONST_RETURN gchar *
1086 gtk_action_get_name (GtkAction *action)
1087 {
1088   g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
1089
1090   return action->private_data->name;
1091 }
1092
1093 /**
1094  * gtk_action_is_sensitive:
1095  * @action: the action object
1096  *
1097  * Returns whether the action is effectively sensitive.
1098  *
1099  * Return value: %TRUE if the action and its associated action group
1100  * are both sensitive.
1101  *
1102  * Since: 2.4
1103  **/
1104 gboolean
1105 gtk_action_is_sensitive (GtkAction *action)
1106 {
1107   GtkActionPrivate *priv;
1108   g_return_val_if_fail (GTK_IS_ACTION (action), FALSE);
1109
1110   priv = action->private_data;
1111   return priv->sensitive &&
1112     (priv->action_group == NULL ||
1113      gtk_action_group_get_sensitive (priv->action_group));
1114 }
1115
1116 /**
1117  * gtk_action_get_sensitive:
1118  * @action: the action object
1119  *
1120  * Returns whether the action itself is sensitive. Note that this doesn't
1121  * necessarily mean effective sensitivity. See gtk_action_is_sensitive()
1122  * for that.
1123  *
1124  * Return value: %TRUE if the action itself is sensitive.
1125  *
1126  * Since: 2.4
1127  **/
1128 gboolean
1129 gtk_action_get_sensitive (GtkAction *action)
1130 {
1131   g_return_val_if_fail (GTK_IS_ACTION (action), FALSE);
1132
1133   return action->private_data->sensitive;
1134 }
1135
1136 void
1137 _gtk_action_sync_sensitive (GtkAction *action)
1138 {
1139   GSList *p;
1140   GtkWidget *proxy;
1141   gboolean sensitive;
1142
1143   sensitive = gtk_action_is_sensitive (action);
1144
1145   for (p = action->private_data->proxies; p; p = p->next)
1146     {
1147       proxy = (GtkWidget *)p->data;
1148       gtk_widget_set_sensitive (proxy, sensitive);
1149     }
1150 }
1151
1152 /**
1153  * gtk_action_set_sensitive:
1154  * @action: the action object
1155  * @sensitive: %TRUE to make the action sensitive
1156  *
1157  * Sets the ::sensitive property of the action to @sensitive. Note that
1158  * this doesn't necessarily mean effective sensitivity. See
1159  * gtk_action_is_sensitive()
1160  * for that.
1161  *
1162  * Since: 2.6
1163  **/
1164 void
1165 gtk_action_set_sensitive (GtkAction *action,
1166                           gboolean   sensitive)
1167 {
1168   g_return_if_fail (GTK_IS_ACTION (action));
1169
1170   sensitive = sensitive != FALSE;
1171
1172   if (action->private_data->sensitive != sensitive)
1173     {
1174       action->private_data->sensitive = sensitive;
1175
1176       _gtk_action_sync_sensitive (action);
1177
1178       g_object_notify (G_OBJECT (action), "sensitive");
1179     }
1180 }
1181
1182 /**
1183  * gtk_action_is_visible:
1184  * @action: the action object
1185  *
1186  * Returns whether the action is effectively visible.
1187  *
1188  * Return value: %TRUE if the action and its associated action group
1189  * are both visible.
1190  *
1191  * Since: 2.4
1192  **/
1193 gboolean
1194 gtk_action_is_visible (GtkAction *action)
1195 {
1196   GtkActionPrivate *priv;
1197   g_return_val_if_fail (GTK_IS_ACTION (action), FALSE);
1198
1199   priv = action->private_data;
1200   return priv->visible &&
1201     (priv->action_group == NULL ||
1202      gtk_action_group_get_visible (priv->action_group));
1203 }
1204
1205 /**
1206  * gtk_action_get_visible:
1207  * @action: the action object
1208  *
1209  * Returns whether the action itself is visible. Note that this doesn't
1210  * necessarily mean effective visibility. See gtk_action_is_sensitive()
1211  * for that.
1212  *
1213  * Return value: %TRUE if the action itself is visible.
1214  *
1215  * Since: 2.4
1216  **/
1217 gboolean
1218 gtk_action_get_visible (GtkAction *action)
1219 {
1220   g_return_val_if_fail (GTK_IS_ACTION (action), FALSE);
1221
1222   return action->private_data->visible;
1223 }
1224
1225 void
1226 _gtk_action_sync_visible (GtkAction *action)
1227 {
1228   GSList *p;
1229   GtkWidget *proxy;
1230   GtkWidget *menu;
1231   gboolean visible;
1232
1233   visible = gtk_action_is_visible (action);
1234
1235   for (p = action->private_data->proxies; p; p = p->next)
1236     {
1237       proxy = (GtkWidget *)p->data;
1238
1239       if (GTK_IS_MENU_ITEM (proxy))
1240         {
1241           menu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (proxy));
1242
1243           _gtk_action_sync_menu_visible (action, proxy, _gtk_menu_is_empty (menu));
1244         }
1245       else
1246         {
1247           if (visible)
1248             gtk_widget_show (proxy);
1249           else
1250             gtk_widget_hide (proxy);
1251         }
1252     }
1253 }
1254
1255 /**
1256  * gtk_action_set_visible:
1257  * @action: the action object
1258  * @visible: %TRUE to make the action visible
1259  *
1260  * Sets the ::visible property of the action to @visible. Note that
1261  * this doesn't necessarily mean effective visibility. See
1262  * gtk_action_is_visible()
1263  * for that.
1264  *
1265  * Since: 2.6
1266  **/
1267 void
1268 gtk_action_set_visible (GtkAction *action,
1269                         gboolean   visible)
1270 {
1271   g_return_if_fail (GTK_IS_ACTION (action));
1272
1273   visible = visible != FALSE;
1274
1275   if (action->private_data->visible != visible)
1276     {
1277       action->private_data->visible = visible;
1278
1279       _gtk_action_sync_visible (action);
1280
1281       g_object_notify (G_OBJECT (action), "visible");
1282     }
1283 }
1284
1285 static void
1286 gtk_action_set_is_important (GtkAction *action,
1287                              gboolean   is_important)
1288 {
1289   GSList *p;
1290   GtkWidget *proxy;
1291
1292   is_important = is_important != FALSE;
1293
1294   if (action->private_data->is_important != is_important)
1295     {
1296       action->private_data->is_important = is_important;
1297
1298       for (p = action->private_data->proxies; p; p = p->next)
1299         {
1300           proxy = (GtkWidget *)p->data;
1301
1302           if (GTK_IS_TOOL_ITEM (proxy))
1303             gtk_tool_item_set_is_important (GTK_TOOL_ITEM (proxy),
1304                                             is_important);
1305         }
1306
1307       g_object_notify (G_OBJECT (action), "is-important");
1308     }
1309 }
1310
1311 static void
1312 gtk_action_set_label (GtkAction   *action,
1313                       const gchar *label)
1314 {
1315   GSList *p;
1316   GtkWidget *proxy, *child;
1317   gchar *tmp;
1318
1319   tmp = action->private_data->label;
1320   action->private_data->label = g_strdup (label);
1321   g_free (tmp);
1322   action->private_data->label_set = (action->private_data->label != NULL);
1323   /* if label is unset, then use the label from the stock item */
1324   if (!action->private_data->label_set && action->private_data->stock_id)
1325     {
1326       GtkStockItem stock_item;
1327
1328       if (gtk_stock_lookup (action->private_data->stock_id, &stock_item))
1329         action->private_data->label = g_strdup (stock_item.label);
1330     }
1331
1332   for (p = action->private_data->proxies; p; p = p->next)
1333     {
1334       proxy = (GtkWidget *)p->data;
1335
1336       if (GTK_IS_MENU_ITEM (proxy))
1337         {
1338           child = GTK_BIN (proxy)->child;
1339
1340           if (GTK_IS_LABEL (child))
1341             gtk_label_set_label (GTK_LABEL (child),
1342                                  action->private_data->label);
1343         }
1344     }
1345
1346   g_object_notify (G_OBJECT (action), "label");
1347
1348   /* if short_label is unset, set short_label=label */
1349   if (!action->private_data->short_label_set)
1350     {
1351       gtk_action_set_short_label (action, action->private_data->label);
1352       action->private_data->short_label_set = FALSE;
1353     }
1354 }
1355
1356 static void
1357 gtk_action_set_short_label (GtkAction   *action,
1358                             const gchar *label)
1359 {
1360   GSList *p;
1361   GtkWidget *proxy, *child;
1362   gchar *tmp;
1363
1364   tmp = action->private_data->short_label;
1365   action->private_data->short_label = g_strdup (label);
1366   g_free (tmp);
1367   action->private_data->short_label_set = (action->private_data->short_label != NULL);
1368   /* if short_label is unset, then use the value of label */
1369   if (!action->private_data->short_label_set)
1370     action->private_data->short_label = g_strdup (action->private_data->label);
1371
1372   for (p = action->private_data->proxies; p; p = p->next)
1373     {
1374       proxy = (GtkWidget *)p->data;
1375
1376       if (GTK_IS_TOOL_BUTTON (proxy))
1377         gtk_tool_button_set_label (GTK_TOOL_BUTTON (proxy),
1378                                    action->private_data->short_label);
1379       else if (GTK_IS_BUTTON (proxy) &&
1380                !gtk_button_get_use_stock (GTK_BUTTON (proxy)))
1381         {
1382           child = GTK_BIN (proxy)->child;
1383
1384           if (child == NULL || GTK_IS_LABEL (child))
1385             gtk_button_set_label (GTK_BUTTON (proxy),
1386                                   action->private_data->short_label);
1387         }
1388     }
1389
1390   g_object_notify (G_OBJECT (action), "short-label");
1391 }
1392
1393 static void
1394 gtk_action_set_visible_horizontal (GtkAction *action,
1395                                    gboolean   visible_horizontal)
1396 {
1397   GSList *p;
1398   GtkWidget *proxy;
1399
1400   visible_horizontal = visible_horizontal != FALSE;
1401
1402   if (action->private_data->visible_horizontal != visible_horizontal)
1403     {
1404       action->private_data->visible_horizontal = visible_horizontal;
1405
1406       for (p = action->private_data->proxies; p; p = p->next)
1407         {
1408           proxy = (GtkWidget *)p->data;
1409
1410           if (GTK_IS_TOOL_ITEM (proxy))
1411             gtk_tool_item_set_visible_horizontal (GTK_TOOL_ITEM (proxy),
1412                                                   visible_horizontal);
1413         }
1414
1415       g_object_notify (G_OBJECT (action), "visible-horizontal");
1416     }
1417 }
1418
1419 static void
1420 gtk_action_set_visible_vertical (GtkAction *action,
1421                                  gboolean   visible_vertical)
1422 {
1423   GSList *p;
1424   GtkWidget *proxy;
1425
1426   visible_vertical = visible_vertical != FALSE;
1427
1428   if (action->private_data->visible_vertical != visible_vertical)
1429     {
1430       action->private_data->visible_vertical = visible_vertical;
1431
1432       for (p = action->private_data->proxies; p; p = p->next)
1433         {
1434           proxy = (GtkWidget *)p->data;
1435
1436           if (GTK_IS_TOOL_ITEM (proxy))
1437             gtk_tool_item_set_visible_vertical (GTK_TOOL_ITEM (proxy),
1438                                                 visible_vertical);
1439         }
1440
1441       g_object_notify (G_OBJECT (action), "visible-vertical");
1442     }
1443 }
1444
1445 static void
1446 gtk_action_sync_tooltip (GtkAction *action,
1447                          GtkWidget *proxy)
1448 {
1449   gtk_tool_item_set_tooltip_text (GTK_TOOL_ITEM (proxy),
1450                                   action->private_data->tooltip);
1451 }
1452
1453 static void
1454 gtk_action_set_tooltip (GtkAction   *action,
1455                         const gchar *tooltip)
1456 {
1457   GSList *p;
1458   GtkWidget *proxy;
1459   gchar *tmp;
1460
1461   tmp = action->private_data->tooltip;
1462   action->private_data->tooltip = g_strdup (tooltip);
1463   g_free (tmp);
1464
1465   for (p = action->private_data->proxies; p; p = p->next)
1466     {
1467       proxy = (GtkWidget *)p->data;
1468
1469       if (GTK_IS_TOOL_ITEM (proxy))
1470         gtk_action_sync_tooltip (action, proxy);
1471     }
1472
1473   g_object_notify (G_OBJECT (action), "tooltip");
1474 }
1475
1476 static void
1477 gtk_action_set_stock_id (GtkAction   *action,
1478                          const gchar *stock_id)
1479 {
1480   GSList *p;
1481   GtkWidget *proxy, *image;
1482   gchar *tmp;
1483
1484   tmp = action->private_data->stock_id;
1485   action->private_data->stock_id = g_strdup (stock_id);
1486   g_free (tmp);
1487
1488   for (p = action->private_data->proxies; p; p = p->next)
1489     {
1490       proxy = (GtkWidget *)p->data;
1491
1492       if (GTK_IS_IMAGE_MENU_ITEM (proxy))
1493         {
1494           image = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (proxy));
1495
1496           if (GTK_IS_IMAGE (image))
1497             gtk_image_set_from_stock (GTK_IMAGE (image),
1498                                       action->private_data->stock_id, GTK_ICON_SIZE_MENU);
1499         }
1500       else if (GTK_IS_TOOL_BUTTON (proxy))
1501         {
1502           gtk_tool_button_set_stock_id (GTK_TOOL_BUTTON (proxy),
1503                                         action->private_data->stock_id);
1504         }
1505       else if (GTK_IS_BUTTON (proxy) &&
1506                gtk_button_get_use_stock (GTK_BUTTON (proxy)))
1507         {
1508           gtk_button_set_label (GTK_BUTTON (proxy),
1509                                 action->private_data->stock_id);
1510         }
1511     }
1512
1513   g_object_notify (G_OBJECT (action), "stock-id");
1514
1515   /* update label and short_label if appropriate */
1516   if (!action->private_data->label_set)
1517     {
1518       GtkStockItem stock_item;
1519
1520       if (action->private_data->stock_id &&
1521           gtk_stock_lookup (action->private_data->stock_id, &stock_item))
1522         gtk_action_set_label (action, stock_item.label);
1523       else
1524         gtk_action_set_label (action, NULL);
1525
1526       action->private_data->label_set = FALSE;
1527     }
1528 }
1529
1530 static void
1531 gtk_action_set_icon_name (GtkAction   *action,
1532                           const gchar *icon_name)
1533 {
1534   GSList *p;
1535   GtkWidget *proxy, *image;
1536   gchar *tmp;
1537
1538   tmp = action->private_data->icon_name;
1539   action->private_data->icon_name = g_strdup (icon_name);
1540   g_free (tmp);
1541
1542   for (p = action->private_data->proxies; p; p = p->next)
1543     {
1544       proxy = (GtkWidget *)p->data;
1545
1546       if (GTK_IS_IMAGE_MENU_ITEM (proxy))
1547         {
1548           image = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (proxy));
1549
1550           if (GTK_IS_IMAGE (image) &&
1551               (gtk_image_get_storage_type (GTK_IMAGE (image)) == GTK_IMAGE_EMPTY ||
1552                gtk_image_get_storage_type (GTK_IMAGE (image)) == GTK_IMAGE_ICON_NAME))
1553             gtk_image_set_from_icon_name (GTK_IMAGE (image),
1554                                           action->private_data->icon_name, GTK_ICON_SIZE_MENU);
1555         }
1556       else if (GTK_IS_TOOL_BUTTON (proxy))
1557         {
1558           gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (proxy),
1559                                          action->private_data->icon_name);
1560         }
1561       else if (GTK_IS_BUTTON (proxy) &&
1562                !gtk_button_get_use_stock (GTK_BUTTON (proxy)))
1563         {
1564           image = gtk_button_get_image (GTK_BUTTON (proxy));
1565
1566           if (GTK_IS_IMAGE (image) &&
1567               (gtk_image_get_storage_type (GTK_IMAGE (image)) == GTK_IMAGE_EMPTY ||
1568                gtk_image_get_storage_type (GTK_IMAGE (image)) == GTK_IMAGE_ICON_NAME))
1569             gtk_image_set_from_icon_name (GTK_IMAGE (image),
1570                                           action->private_data->icon_name, GTK_ICON_SIZE_MENU);
1571         }
1572     }
1573
1574   g_object_notify (G_OBJECT (action), "icon-name");
1575 }
1576
1577
1578 /**
1579  * gtk_action_block_activate_from:
1580  * @action: the action object
1581  * @proxy: a proxy widget
1582  *
1583  * Disables calls to the gtk_action_activate()
1584  * function by signals on the given proxy widget.  This is used to
1585  * break notification loops for things like check or radio actions.
1586  *
1587  * This function is intended for use by action implementations.
1588  *
1589  * Since: 2.4
1590  */
1591 void
1592 gtk_action_block_activate_from (GtkAction *action,
1593                                 GtkWidget *proxy)
1594 {
1595   g_return_if_fail (GTK_IS_ACTION (action));
1596
1597   g_signal_handlers_block_by_func (proxy, G_CALLBACK (gtk_action_activate),
1598                                    action);
1599 }
1600
1601 /**
1602  * gtk_action_unblock_activate_from:
1603  * @action: the action object
1604  * @proxy: a proxy widget
1605  *
1606  * Re-enables calls to the gtk_action_activate()
1607  * function by signals on the given proxy widget.  This undoes the
1608  * blocking done by gtk_action_block_activate_from().
1609  *
1610  * This function is intended for use by action implementations.
1611  *
1612  * Since: 2.4
1613  */
1614 void
1615 gtk_action_unblock_activate_from (GtkAction *action,
1616                                   GtkWidget *proxy)
1617 {
1618   g_return_if_fail (GTK_IS_ACTION (action));
1619
1620   g_signal_handlers_unblock_by_func (proxy, G_CALLBACK (gtk_action_activate),
1621                                      action);
1622 }
1623
1624 static void
1625 closure_accel_activate (GClosure     *closure,
1626                         GValue       *return_value,
1627                         guint         n_param_values,
1628                         const GValue *param_values,
1629                         gpointer      invocation_hint,
1630                         gpointer      marshal_data)
1631 {
1632   if (gtk_action_is_sensitive (GTK_ACTION (closure->data)))
1633     {
1634       _gtk_action_emit_activate (GTK_ACTION (closure->data));
1635
1636       /* we handled the accelerator */
1637       g_value_set_boolean (return_value, TRUE);
1638     }
1639 }
1640
1641 static void
1642 gtk_action_set_action_group (GtkAction      *action,
1643                              GtkActionGroup *action_group)
1644 {
1645   if (action->private_data->action_group == NULL)
1646     g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
1647   else
1648     g_return_if_fail (action_group == NULL);
1649
1650   action->private_data->action_group = action_group;
1651 }
1652
1653 /**
1654  * gtk_action_set_accel_path:
1655  * @action: the action object
1656  * @accel_path: the accelerator path
1657  *
1658  * Sets the accel path for this action.  All proxy widgets associated
1659  * with the action will have this accel path, so that their
1660  * accelerators are consistent.
1661  *
1662  * Note that @accel_path string will be stored in a #GQuark. Therefore, if you
1663  * pass a static string, you can save some memory by interning it first with
1664  * g_intern_static_string().
1665  *
1666  * Since: 2.4
1667  */
1668 void
1669 gtk_action_set_accel_path (GtkAction   *action,
1670                            const gchar *accel_path)
1671 {
1672   g_return_if_fail (GTK_IS_ACTION (action));
1673
1674   action->private_data->accel_quark = g_quark_from_string (accel_path);
1675 }
1676
1677 /**
1678  * gtk_action_get_accel_path:
1679  * @action: the action object
1680  *
1681  * Returns the accel path for this action.
1682  *
1683  * Since: 2.6
1684  *
1685  * Returns: the accel path for this action, or %NULL
1686  *   if none is set. The returned string is owned by GTK+
1687  *   and must not be freed or modified.
1688  */
1689 G_CONST_RETURN gchar *
1690 gtk_action_get_accel_path (GtkAction *action)
1691 {
1692   g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
1693
1694   if (action->private_data->accel_quark)
1695     return g_quark_to_string (action->private_data->accel_quark);
1696   else
1697     return NULL;
1698 }
1699
1700 /**
1701  * gtk_action_get_accel_closure:
1702  * @action: the action object
1703  *
1704  * Returns the accel closure for this action.
1705  *
1706  * Since: 2.8
1707  *
1708  * Returns: the accel closure for this action. The returned closure is
1709  *          owned by GTK+ and must not be unreffed or modified.
1710  */
1711 GClosure *
1712 gtk_action_get_accel_closure (GtkAction *action)
1713 {
1714   g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
1715
1716   return action->private_data->accel_closure;
1717 }
1718
1719
1720 /**
1721  * gtk_action_set_accel_group:
1722  * @action: the action object
1723  * @accel_group: a #GtkAccelGroup or %NULL
1724  *
1725  * Sets the #GtkAccelGroup in which the accelerator for this action
1726  * will be installed.
1727  *
1728  * Since: 2.4
1729  **/
1730 void
1731 gtk_action_set_accel_group (GtkAction     *action,
1732                             GtkAccelGroup *accel_group)
1733 {
1734   g_return_if_fail (GTK_IS_ACTION (action));
1735   g_return_if_fail (accel_group == NULL || GTK_IS_ACCEL_GROUP (accel_group));
1736
1737   if (accel_group)
1738     g_object_ref (accel_group);
1739   if (action->private_data->accel_group)
1740     g_object_unref (action->private_data->accel_group);
1741
1742   action->private_data->accel_group = accel_group;
1743 }
1744
1745 /**
1746  * gtk_action_connect_accelerator:
1747  * @action: a #GtkAction
1748  *
1749  * Installs the accelerator for @action if @action has an
1750  * accel path and group. See gtk_action_set_accel_path() and
1751  * gtk_action_set_accel_group()
1752  *
1753  * Since multiple proxies may independently trigger the installation
1754  * of the accelerator, the @action counts the number of times this
1755  * function has been called and doesn't remove the accelerator until
1756  * gtk_action_disconnect_accelerator() has been called as many times.
1757  *
1758  * Since: 2.4
1759  **/
1760 void
1761 gtk_action_connect_accelerator (GtkAction *action)
1762 {
1763   g_return_if_fail (GTK_IS_ACTION (action));
1764
1765   if (!action->private_data->accel_quark ||
1766       !action->private_data->accel_group)
1767     return;
1768
1769   if (action->private_data->accel_count == 0)
1770     {
1771       const gchar *accel_path =
1772         g_quark_to_string (action->private_data->accel_quark);
1773
1774       gtk_accel_group_connect_by_path (action->private_data->accel_group,
1775                                        accel_path,
1776                                        action->private_data->accel_closure);
1777     }
1778
1779   action->private_data->accel_count++;
1780 }
1781
1782 /**
1783  * gtk_action_disconnect_accelerator:
1784  * @action: a #GtkAction
1785  *
1786  * Undoes the effect of one call to gtk_action_connect_accelerator().
1787  *
1788  * Since: 2.4
1789  **/
1790 void
1791 gtk_action_disconnect_accelerator (GtkAction *action)
1792 {
1793   g_return_if_fail (GTK_IS_ACTION (action));
1794
1795   if (!action->private_data->accel_quark ||
1796       !action->private_data->accel_group)
1797     return;
1798
1799   action->private_data->accel_count--;
1800
1801   if (action->private_data->accel_count == 0)
1802     gtk_accel_group_disconnect (action->private_data->accel_group,
1803                                 action->private_data->accel_closure);
1804 }
1805
1806 /**
1807  * gtk_action_create_menu:
1808  * @action: a #GtkAction
1809  *
1810  * If @action provides a #GtkMenu widget as a submenu for the menu
1811  * item or the toolbar item it creates, this function returns an
1812  * instance of that menu.
1813  *
1814  * Return value: the menu item provided by the action, or %NULL.
1815  *
1816  * Since: 2.12
1817  */
1818 GtkWidget *
1819 gtk_action_create_menu (GtkAction *action)
1820 {
1821   g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
1822
1823   if (GTK_ACTION_GET_CLASS (action)->create_menu)
1824     return GTK_ACTION_GET_CLASS (action)->create_menu (action);
1825
1826   return NULL;
1827 }
1828
1829 #define __GTK_ACTION_C__
1830 #include "gtkaliasdef.c"