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