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