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