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 button specific synchronisers ... */
 743       if (GTK_IS_TOOL_BUTTON (proxy))
 744         {
 745           g_object_set (proxy,
 746                         "visible-horizontal", action->private_data->visible_horizontal,
 747                         "visible-vertical", action->private_data->visible_vertical,
 748                         "is-important", action->private_data->is_important,
 749                         "label", action->private_data->short_label,
 750                         "use-underline", TRUE,
 751                         "stock-id", action->private_data->stock_id,
 752                         "icon-name", action->private_data->icon_name,
 753                         NULL);
 754
 755           g_signal_connect_object (proxy, "clicked",
 756                                    G_CALLBACK (gtk_action_activate), action,
 757                                    G_CONNECT_SWAPPED);
 758         }
 759       else
 760         {
 761            g_object_set (proxy,
 762                          "visible-horizontal", action->private_data->visible_horizontal,
 763                          "visible-vertical", action->private_data->visible_vertical,
 764                          "is-important", action->private_data->is_important,
 765                          NULL);
 766        }
 767
 768       gtk_action_sync_tooltip (action, proxy);
 769
 770       g_signal_connect_object (proxy, "create_menu_proxy",
 771                                G_CALLBACK (gtk_action_create_menu_proxy),
 772                                action, 0);
 773
 774       gtk_tool_item_rebuild_menu (GTK_TOOL_ITEM (proxy));
 775     }
 776   else if (GTK_IS_BUTTON (proxy))
 777     {
 778       /* button specific synchronisers ... */
 779       if (gtk_button_get_use_stock (GTK_BUTTON (proxy)))
 780         {
 781           /* synchronise stock-id */
 782           g_object_set (proxy,
 783                         "label", action->private_data->stock_id,
 784                         NULL);
 785         }
 786       else
 787         {
 788           if (GTK_BIN (proxy)->child == NULL ||
 789               GTK_IS_LABEL (GTK_BIN (proxy)->child))
 790             {
 791               /* synchronise the label */
 792               g_object_set (proxy,
 793                             "label", action->private_data->short_label,
 794                             "use-underline", TRUE,
 795                             NULL);
 796             }
 797         }
 798       /* we leave the button alone if there is a custom child */
 799       g_signal_connect_object (proxy, "clicked",
 800                                G_CALLBACK (gtk_action_activate), action,
 801                                G_CONNECT_SWAPPED);
 802     }
 803
 804   if (action->private_data->action_group)
 805     _gtk_action_group_emit_connect_proxy (action->private_data->action_group, action, proxy);
 806 }
 807
 808 static void
 809 disconnect_proxy (GtkAction *action,
 810                   GtkWidget *proxy)
 811 {
 812   g_object_set_qdata (G_OBJECT (proxy), quark_gtk_action_proxy, NULL);
 813
 814   g_object_weak_unref (G_OBJECT (proxy), (GWeakNotify)remove_proxy, action);
 815   remove_proxy (action, proxy);
 816
 817   /* disconnect the activate handler */
 818   g_signal_handlers_disconnect_by_func (proxy,
 819                                         G_CALLBACK (gtk_action_activate),
 820                                         action);
 821
 822   /* toolbar button specific synchronisers ... */
 823   g_signal_handlers_disconnect_by_func (proxy,
 824                                         G_CALLBACK (gtk_action_create_menu_proxy),
 825                                         action);
 826
 827   if (action->private_data->action_group)
 828     _gtk_action_group_emit_disconnect_proxy (action->private_data->action_group, action, proxy);
 829 }
 830
 831 void
 832 _gtk_action_emit_activate (GtkAction *action)
 833 {
 834   GtkActionGroup *group = action->private_data->action_group;
 835
 836   if (group != NULL)
 837     {
 838       g_object_ref (group);
 839       _gtk_action_group_emit_pre_activate (group, action);
 840     }
 841
 842     g_signal_emit (action, action_signals[ACTIVATE], 0);
 843
 844   if (group != NULL)
 845     {
 846       _gtk_action_group_emit_post_activate (group, action);
 847       g_object_unref (group);
 848     }
 849 }
 850
 851 /**
 852  * gtk_action_activate:
 853  * @action: the action object
 854  *
 855  * Emits the "activate" signal on the specified action, if it isn't
 856  * insensitive. This gets called by the proxy widgets when they get
 857  * activated.
 858  *
 859  * It can also be used to manually activate an action.
 860  *
 861  * Since: 2.4
 862  */
 863 void
 864 gtk_action_activate (GtkAction *action)
 865 {
 866   g_return_if_fail (GTK_IS_ACTION (action));
 867
 868   if (gtk_action_is_sensitive (action))
 869     _gtk_action_emit_activate (action);
 870 }
 871
 872 /**
 873  * gtk_action_create_icon:
 874  * @action: the action object
 875  * @icon_size: the size of the icon that should be created.
 876  *
 877  * This function is intended for use by action implementations to
 878  * create icons displayed in the proxy widgets.
 879  *
 880  * Returns: a widget that displays the icon for this action.
 881  *
 882  * Since: 2.4
 883  */
 884 GtkWidget *
 885 gtk_action_create_icon (GtkAction *action, GtkIconSize icon_size)
 886 {
 887   g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
 888
 889   if (action->private_data->stock_id)
 890     return gtk_image_new_from_stock (action->private_data->stock_id, icon_size);
 891   else if (action->private_data->icon_name)
 892     return gtk_image_new_from_icon_name (action->private_data->icon_name, icon_size);
 893   else
 894     return NULL;
 895 }
 896
 897 /**
 898  * gtk_action_create_menu_item:
 899  * @action: the action object
 900  *
 901  * Creates a menu item widget that proxies for the given action.
 902  *
 903  * Returns: a menu item connected to the action.
 904  *
 905  * Since: 2.4
 906  */
 907 GtkWidget *
 908 gtk_action_create_menu_item (GtkAction *action)
 909 {
 910   GtkWidget *menu_item;
 911
 912   g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
 913
 914   menu_item = (* GTK_ACTION_GET_CLASS (action)->create_menu_item) (action);
 915
 916   (* GTK_ACTION_GET_CLASS (action)->connect_proxy) (action, menu_item);
 917
 918   return menu_item;
 919 }
 920
 921 /**
 922  * gtk_action_create_tool_item:
 923  * @action: the action object
 924  *
 925  * Creates a toolbar item widget that proxies for the given action.
 926  *
 927  * Returns: a toolbar item connected to the action.
 928  *
 929  * Since: 2.4
 930  */
 931 GtkWidget *
 932 gtk_action_create_tool_item (GtkAction *action)
 933 {
 934   GtkWidget *button;
 935
 936   g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
 937
 938   button = (* GTK_ACTION_GET_CLASS (action)->create_tool_item) (action);
 939
 940   (* GTK_ACTION_GET_CLASS (action)->connect_proxy) (action, button);
 941
 942   return button;
 943 }
 944
 945 /**
 946  * gtk_action_connect_proxy:
 947  * @action: the action object
 948  * @proxy: the proxy widget
 949  *
 950  * Connects a widget to an action object as a proxy.  Synchronises
 951  * various properties of the action with the widget (such as label
 952  * text, icon, tooltip, etc), and attaches a callback so that the
 953  * action gets activated when the proxy widget does.
 954  *
 955  * If the widget is already connected to an action, it is disconnected
 956  * first.
 957  *
 958  * Since: 2.4
 959  */
 960 void
 961 gtk_action_connect_proxy (GtkAction *action,
 962                           GtkWidget *proxy)
 963 {
 964   GtkAction *prev_action;
 965
 966   g_return_if_fail (GTK_IS_ACTION (action));
 967   g_return_if_fail (GTK_IS_WIDGET (proxy));
 968
 969   prev_action = g_object_get_qdata (G_OBJECT (proxy), quark_gtk_action_proxy);
 970
 971   if (prev_action)
 972     (* GTK_ACTION_GET_CLASS (action)->disconnect_proxy) (prev_action, proxy);
 973
 974   (* GTK_ACTION_GET_CLASS (action)->connect_proxy) (action, proxy);
 975 }
 976
 977 /**
 978  * gtk_action_disconnect_proxy:
 979  * @action: the action object
 980  * @proxy: the proxy widget
 981  *
 982  * Disconnects a proxy widget from an action.
 983  * Does <emphasis>not</emphasis> destroy the widget, however.
 984  *
 985  * Since: 2.4
 986  */
 987 void
 988 gtk_action_disconnect_proxy (GtkAction *action,
 989                              GtkWidget *proxy)
 990 {
 991   g_return_if_fail (GTK_IS_ACTION (action));
 992   g_return_if_fail (GTK_IS_WIDGET (proxy));
 993
 994   g_return_if_fail (g_object_get_qdata (G_OBJECT (proxy), quark_gtk_action_proxy) == action);
 995
 996   (* GTK_ACTION_GET_CLASS (action)->disconnect_proxy) (action, proxy);
 997 }
 998
 999 /**
1000  * gtk_action_get_proxies:
1001  * @action: the action object
1002  *
1003  * Returns the proxy widgets for an action.
1004  * See also gtk_widget_get_action().
1005  *
1006  * Return value: a #GSList of proxy widgets. The list is owned by GTK+
1007  * and must not be modified.
1008  *
1009  * Since: 2.4
1010  **/
1011 GSList*
1012 gtk_action_get_proxies (GtkAction *action)
1013 {
1014   g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
1015
1016   return action->private_data->proxies;
1017 }
1018
1019
1020 /**
1021  * gtk_widget_get_action:
1022  * @widget: a #GtkWidget
1023  *
1024  * Returns the #GtkAction that @widget is a proxy for.
1025  * See also gtk_action_get_proxies().
1026  *
1027  * Returns: the action that a widget is a proxy for, or
1028  *  %NULL, if it is not attached to an action.
1029  *
1030  * Since: 2.10
1031  */
1032 GtkAction*
1033 gtk_widget_get_action (GtkWidget *widget)
1034 {
1035   g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
1036
1037   return g_object_get_qdata (G_OBJECT (widget), quark_gtk_action_proxy);
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 void
1104 _gtk_action_sync_sensitive (GtkAction *action)
1105 {
1106   GSList *p;
1107   GtkWidget *proxy;
1108   gboolean sensitive;
1109
1110   sensitive = gtk_action_is_sensitive (action);
1111
1112   for (p = action->private_data->proxies; p; p = p->next)
1113     {
1114       proxy = (GtkWidget *)p->data;
1115       gtk_widget_set_sensitive (proxy, sensitive);
1116     }
1117 }
1118
1119 /**
1120  * gtk_action_set_sensitive:
1121  * @action: the action object
1122  * @sensitive: %TRUE to make the action sensitive
1123  *
1124  * Sets the ::sensitive property of the action to @sensitive. Note that
1125  * this doesn't necessarily mean effective sensitivity. See
1126  * gtk_action_is_sensitive()
1127  * for that.
1128  *
1129  * Since: 2.6
1130  **/
1131 void
1132 gtk_action_set_sensitive (GtkAction *action,
1133                           gboolean   sensitive)
1134 {
1135   g_return_if_fail (GTK_IS_ACTION (action));
1136
1137   sensitive = sensitive != FALSE;
1138
1139   if (action->private_data->sensitive != sensitive)
1140     {
1141       action->private_data->sensitive = sensitive;
1142
1143       _gtk_action_sync_sensitive (action);
1144
1145       g_object_notify (G_OBJECT (action), "sensitive");
1146     }
1147 }
1148
1149 /**
1150  * gtk_action_is_visible:
1151  * @action: the action object
1152  *
1153  * Returns whether the action is effectively visible.
1154  *
1155  * Return value: %TRUE if the action and its associated action group
1156  * are both visible.
1157  *
1158  * Since: 2.4
1159  **/
1160 gboolean
1161 gtk_action_is_visible (GtkAction *action)
1162 {
1163   GtkActionPrivate *priv;
1164   g_return_val_if_fail (GTK_IS_ACTION (action), FALSE);
1165
1166   priv = action->private_data;
1167   return priv->visible &&
1168     (priv->action_group == NULL ||
1169      gtk_action_group_get_visible (priv->action_group));
1170 }
1171
1172 /**
1173  * gtk_action_get_visible:
1174  * @action: the action object
1175  *
1176  * Returns whether the action itself is visible. Note that this doesn't
1177  * necessarily mean effective visibility. See gtk_action_is_sensitive()
1178  * for that.
1179  *
1180  * Return value: %TRUE if the action itself is visible.
1181  *
1182  * Since: 2.4
1183  **/
1184 gboolean
1185 gtk_action_get_visible (GtkAction *action)
1186 {
1187   g_return_val_if_fail (GTK_IS_ACTION (action), FALSE);
1188
1189   return action->private_data->visible;
1190 }
1191
1192 void
1193 _gtk_action_sync_visible (GtkAction *action)
1194 {
1195   GSList *p;
1196   GtkWidget *proxy;
1197   GtkWidget *menu;
1198   gboolean visible;
1199
1200   visible = gtk_action_is_visible (action);
1201
1202   for (p = action->private_data->proxies; p; p = p->next)
1203     {
1204       proxy = (GtkWidget *)p->data;
1205
1206       if (GTK_IS_MENU_ITEM (proxy))
1207         {
1208           menu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (proxy));
1209
1210           _gtk_action_sync_menu_visible (action, proxy, _gtk_menu_is_empty (menu));
1211         }
1212       else
1213         {
1214           if (visible)
1215             gtk_widget_show (proxy);
1216           else
1217             gtk_widget_hide (proxy);
1218         }
1219     }
1220 }
1221
1222 /**
1223  * gtk_action_set_visible:
1224  * @action: the action object
1225  * @visible: %TRUE to make the action visible
1226  *
1227  * Sets the ::visible property of the action to @visible. Note that
1228  * this doesn't necessarily mean effective visibility. See
1229  * gtk_action_is_visible()
1230  * for that.
1231  *
1232  * Since: 2.6
1233  **/
1234 void
1235 gtk_action_set_visible (GtkAction *action,
1236                         gboolean   visible)
1237 {
1238   g_return_if_fail (GTK_IS_ACTION (action));
1239
1240   visible = visible != FALSE;
1241
1242   if (action->private_data->visible != visible)
1243     {
1244       action->private_data->visible = visible;
1245
1246       _gtk_action_sync_visible (action);
1247
1248       g_object_notify (G_OBJECT (action), "visible");
1249     }
1250 }
1251
1252 static void
1253 gtk_action_set_is_important (GtkAction *action,
1254                              gboolean   is_important)
1255 {
1256   GSList *p;
1257   GtkWidget *proxy;
1258
1259   is_important = is_important != FALSE;
1260
1261   if (action->private_data->is_important != is_important)
1262     {
1263       action->private_data->is_important = is_important;
1264
1265       for (p = action->private_data->proxies; p; p = p->next)
1266         {
1267           proxy = (GtkWidget *)p->data;
1268
1269           if (GTK_IS_TOOL_ITEM (proxy))
1270             gtk_tool_item_set_is_important (GTK_TOOL_ITEM (proxy),
1271                                             is_important);
1272         }
1273
1274       g_object_notify (G_OBJECT (action), "is-important");
1275     }
1276 }
1277
1278 static void
1279 gtk_action_set_label (GtkAction   *action,
1280                       const gchar *label)
1281 {
1282   GSList *p;
1283   GtkWidget *proxy, *child;
1284   gchar *tmp;
1285
1286   tmp = action->private_data->label;
1287   action->private_data->label = g_strdup (label);
1288   g_free (tmp);
1289   action->private_data->label_set = (action->private_data->label != NULL);
1290   /* if label is unset, then use the label from the stock item */
1291   if (!action->private_data->label_set && action->private_data->stock_id)
1292     {
1293       GtkStockItem stock_item;
1294
1295       if (gtk_stock_lookup (action->private_data->stock_id, &stock_item))
1296         action->private_data->label = g_strdup (stock_item.label);
1297     }
1298
1299   for (p = action->private_data->proxies; p; p = p->next)
1300     {
1301       proxy = (GtkWidget *)p->data;
1302
1303       if (GTK_IS_MENU_ITEM (proxy))
1304         {
1305           child = GTK_BIN (proxy)->child;
1306
1307           if (GTK_IS_LABEL (child))
1308             gtk_label_set_label (GTK_LABEL (child),
1309                                  action->private_data->label);
1310         }
1311     }
1312
1313   g_object_notify (G_OBJECT (action), "label");
1314
1315   /* if short_label is unset, set short_label=label */
1316   if (!action->private_data->short_label_set)
1317     {
1318       gtk_action_set_short_label (action, action->private_data->label);
1319       action->private_data->short_label_set = FALSE;
1320     }
1321 }
1322
1323 static void
1324 gtk_action_set_short_label (GtkAction   *action,
1325                             const gchar *label)
1326 {
1327   GSList *p;
1328   GtkWidget *proxy, *child;
1329   gchar *tmp;
1330
1331   tmp = action->private_data->short_label;
1332   action->private_data->short_label = g_strdup (label);
1333   g_free (tmp);
1334   action->private_data->short_label_set = (action->private_data->short_label != NULL);
1335   /* if short_label is unset, then use the value of label */
1336   if (!action->private_data->short_label_set)
1337     action->private_data->short_label = g_strdup (action->private_data->label);
1338
1339   for (p = action->private_data->proxies; p; p = p->next)
1340     {
1341       proxy = (GtkWidget *)p->data;
1342
1343       if (GTK_IS_TOOL_BUTTON (proxy))
1344         gtk_tool_button_set_label (GTK_TOOL_BUTTON (proxy),
1345                                    action->private_data->label);
1346       else if (GTK_IS_BUTTON (proxy) &&
1347                !gtk_button_get_use_stock (GTK_BUTTON (proxy)))
1348         {
1349           child = GTK_BIN (proxy)->child;
1350
1351           if (child == NULL || GTK_IS_LABEL (child))
1352             gtk_button_set_label (GTK_BUTTON (proxy),
1353                                   action->private_data->label);
1354         }
1355     }
1356
1357   g_object_notify (G_OBJECT (action), "short-label");
1358 }
1359
1360 static void
1361 gtk_action_set_visible_horizontal (GtkAction *action,
1362                                    gboolean   visible_horizontal)
1363 {
1364   GSList *p;
1365   GtkWidget *proxy;
1366
1367   visible_horizontal = visible_horizontal != FALSE;
1368
1369   if (action->private_data->visible_horizontal != visible_horizontal)
1370     {
1371       action->private_data->visible_horizontal = visible_horizontal;
1372
1373       for (p = action->private_data->proxies; p; p = p->next)
1374         {
1375           proxy = (GtkWidget *)p->data;
1376
1377           if (GTK_IS_TOOL_ITEM (proxy))
1378             gtk_tool_item_set_visible_horizontal (GTK_TOOL_ITEM (proxy),
1379                                                   visible_horizontal);
1380         }
1381
1382       g_object_notify (G_OBJECT (action), "visible-horizontal");
1383     }
1384 }
1385
1386 static void
1387 gtk_action_set_visible_vertical (GtkAction *action,
1388                                  gboolean   visible_vertical)
1389 {
1390   GSList *p;
1391   GtkWidget *proxy;
1392
1393   visible_vertical = visible_vertical != FALSE;
1394
1395   if (action->private_data->visible_vertical != visible_vertical)
1396     {
1397       action->private_data->visible_vertical = visible_vertical;
1398
1399       for (p = action->private_data->proxies; p; p = p->next)
1400         {
1401           proxy = (GtkWidget *)p->data;
1402
1403           if (GTK_IS_TOOL_ITEM (proxy))
1404             gtk_tool_item_set_visible_vertical (GTK_TOOL_ITEM (proxy),
1405                                                 visible_vertical);
1406         }
1407
1408       g_object_notify (G_OBJECT (action), "visible-vertical");
1409     }
1410 }
1411
1412 static void
1413 gtk_action_sync_tooltip (GtkAction *action,
1414                          GtkWidget *proxy)
1415 {
1416   GtkWidget *parent;
1417
1418   parent = gtk_widget_get_parent (proxy);
1419
1420   if (GTK_IS_TOOL_ITEM (proxy) && GTK_IS_TOOLBAR (parent))
1421     gtk_tool_item_set_tooltip (GTK_TOOL_ITEM (proxy),
1422                                GTK_TOOLBAR (parent)->tooltips,
1423                                action->private_data->tooltip,
1424                                NULL);
1425 }
1426
1427 static void
1428 gtk_action_set_tooltip (GtkAction   *action,
1429                         const gchar *tooltip)
1430 {
1431   GSList *p;
1432   GtkWidget *proxy;
1433   gchar *tmp;
1434
1435   tmp = action->private_data->tooltip;
1436   action->private_data->tooltip = g_strdup (tooltip);
1437   g_free (tmp);
1438
1439   for (p = action->private_data->proxies; p; p = p->next)
1440     {
1441       proxy = (GtkWidget *)p->data;
1442
1443       gtk_action_sync_tooltip (action, proxy);
1444     }
1445
1446   g_object_notify (G_OBJECT (action), "tooltip");
1447 }
1448
1449 static void
1450 gtk_action_set_stock_id (GtkAction   *action,
1451                          const gchar *stock_id)
1452 {
1453   GSList *p;
1454   GtkWidget *proxy, *image;
1455   gchar *tmp;
1456
1457   tmp = action->private_data->stock_id;
1458   action->private_data->stock_id = g_strdup (stock_id);
1459   g_free (tmp);
1460
1461   for (p = action->private_data->proxies; p; p = p->next)
1462     {
1463       proxy = (GtkWidget *)p->data;
1464
1465       if (GTK_IS_IMAGE_MENU_ITEM (proxy))
1466         {
1467           image = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (proxy));
1468
1469           if (GTK_IS_IMAGE (image))
1470             gtk_image_set_from_stock (GTK_IMAGE (image),
1471                                       action->private_data->stock_id, GTK_ICON_SIZE_MENU);
1472         }
1473       else if (GTK_IS_TOOL_BUTTON (proxy))
1474         {
1475           gtk_tool_button_set_stock_id (GTK_TOOL_BUTTON (proxy),
1476                                         action->private_data->stock_id);
1477         }
1478       else if (GTK_IS_BUTTON (proxy) &&
1479                gtk_button_get_use_stock (GTK_BUTTON (proxy)))
1480         {
1481           gtk_button_set_label (GTK_BUTTON (proxy),
1482                                 action->private_data->stock_id);
1483         }
1484     }
1485
1486   g_object_notify (G_OBJECT (action), "stock-id");
1487
1488   /* update label and short_label if appropriate */
1489   if (!action->private_data->label_set)
1490     {
1491       GtkStockItem stock_item;
1492
1493       if (action->private_data->stock_id &&
1494           gtk_stock_lookup (action->private_data->stock_id, &stock_item))
1495         gtk_action_set_label (action, stock_item.label);
1496       else
1497         gtk_action_set_label (action, NULL);
1498
1499       action->private_data->label_set = FALSE;
1500     }
1501 }
1502
1503 static void
1504 gtk_action_set_icon_name (GtkAction   *action,
1505                           const gchar *icon_name)
1506 {
1507   GSList *p;
1508   GtkWidget *proxy, *image;
1509   gchar *tmp;
1510
1511   tmp = action->private_data->icon_name;
1512   action->private_data->icon_name = g_strdup (icon_name);
1513   g_free (tmp);
1514
1515   for (p = action->private_data->proxies; p; p = p->next)
1516     {
1517       proxy = (GtkWidget *)p->data;
1518
1519       if (GTK_IS_IMAGE_MENU_ITEM (proxy))
1520         {
1521           image = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (proxy));
1522
1523           if (GTK_IS_IMAGE (image) &&
1524               (gtk_image_get_storage_type (GTK_IMAGE (image)) == GTK_IMAGE_EMPTY ||
1525                gtk_image_get_storage_type (GTK_IMAGE (image)) == GTK_IMAGE_ICON_NAME))
1526             gtk_image_set_from_icon_name (GTK_IMAGE (image),
1527                                           action->private_data->icon_name, GTK_ICON_SIZE_MENU);
1528         }
1529       else if (GTK_IS_TOOL_BUTTON (proxy))
1530         {
1531           gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (proxy),
1532                                          action->private_data->icon_name);
1533         }
1534       else if (GTK_IS_BUTTON (proxy) &&
1535                !gtk_button_get_use_stock (GTK_BUTTON (proxy)))
1536         {
1537           image = gtk_button_get_image (GTK_BUTTON (proxy));
1538
1539           if (GTK_IS_IMAGE (image) &&
1540               (gtk_image_get_storage_type (GTK_IMAGE (image)) == GTK_IMAGE_EMPTY ||
1541                gtk_image_get_storage_type (GTK_IMAGE (image)) == GTK_IMAGE_ICON_NAME))
1542             gtk_image_set_from_icon_name (GTK_IMAGE (image),
1543                                           action->private_data->icon_name, GTK_ICON_SIZE_MENU);
1544         }
1545     }
1546
1547   g_object_notify (G_OBJECT (action), "icon-name");
1548 }
1549
1550
1551 /**
1552  * gtk_action_block_activate_from:
1553  * @action: the action object
1554  * @proxy: a proxy widget
1555  *
1556  * Disables calls to the gtk_action_activate()
1557  * function by signals on the given proxy widget.  This is used to
1558  * break notification loops for things like check or radio actions.
1559  *
1560  * This function is intended for use by action implementations.
1561  *
1562  * Since: 2.4
1563  */
1564 void
1565 gtk_action_block_activate_from (GtkAction *action,
1566                                 GtkWidget *proxy)
1567 {
1568   g_return_if_fail (GTK_IS_ACTION (action));
1569
1570   g_signal_handlers_block_by_func (proxy, G_CALLBACK (gtk_action_activate),
1571                                    action);
1572 }
1573
1574 /**
1575  * gtk_action_unblock_activate_from:
1576  * @action: the action object
1577  * @proxy: a proxy widget
1578  *
1579  * Re-enables calls to the gtk_action_activate()
1580  * function by signals on the given proxy widget.  This undoes the
1581  * blocking done by gtk_action_block_activate_from().
1582  *
1583  * This function is intended for use by action implementations.
1584  *
1585  * Since: 2.4
1586  */
1587 void
1588 gtk_action_unblock_activate_from (GtkAction *action,
1589                                   GtkWidget *proxy)
1590 {
1591   g_return_if_fail (GTK_IS_ACTION (action));
1592
1593   g_signal_handlers_unblock_by_func (proxy, G_CALLBACK (gtk_action_activate),
1594                                      action);
1595 }
1596
1597 static void
1598 closure_accel_activate (GClosure     *closure,
1599                         GValue       *return_value,
1600                         guint         n_param_values,
1601                         const GValue *param_values,
1602                         gpointer      invocation_hint,
1603                         gpointer      marshal_data)
1604 {
1605   if (gtk_action_is_sensitive (GTK_ACTION (closure->data)))
1606     {
1607       _gtk_action_emit_activate (GTK_ACTION (closure->data));
1608
1609       /* we handled the accelerator */
1610       g_value_set_boolean (return_value, TRUE);
1611     }
1612 }
1613
1614 static void
1615 gtk_action_set_action_group (GtkAction      *action,
1616                              GtkActionGroup *action_group)
1617 {
1618   g_return_if_fail (GTK_IS_ACTION (action));
1619
1620   if (action->private_data->action_group == NULL)
1621     g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
1622   else
1623     g_return_if_fail (action_group == NULL);
1624
1625   action->private_data->action_group = action_group;
1626 }
1627
1628 /**
1629  * gtk_action_set_accel_path:
1630  * @action: the action object
1631  * @accel_path: the accelerator path
1632  *
1633  * Sets the accel path for this action.  All proxy widgets associated
1634  * with the action will have this accel path, so that their
1635  * accelerators are consistent.
1636  *
1637  * Since: 2.4
1638  */
1639 void
1640 gtk_action_set_accel_path (GtkAction   *action,
1641                            const gchar *accel_path)
1642 {
1643   g_return_if_fail (GTK_IS_ACTION (action));
1644
1645   action->private_data->accel_quark = g_quark_from_string (accel_path);
1646 }
1647
1648 /**
1649  * gtk_action_get_accel_path:
1650  * @action: the action object
1651  *
1652  * Returns the accel path for this action.
1653  *
1654  * Since: 2.6
1655  *
1656  * Returns: the accel path for this action, or %NULL
1657  *   if none is set. The returned string is owned by GTK+
1658  *   and must not be freed or modified.
1659  */
1660 G_CONST_RETURN gchar *
1661 gtk_action_get_accel_path (GtkAction *action)
1662 {
1663   g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
1664
1665   if (action->private_data->accel_quark)
1666     return g_quark_to_string (action->private_data->accel_quark);
1667   else
1668     return NULL;
1669 }
1670
1671 /**
1672  * gtk_action_get_accel_closure:
1673  * @action: the action object
1674  *
1675  * Returns the accel closure for this action.
1676  *
1677  * Since: 2.8
1678  *
1679  * Returns: the accel closure for this action. The returned closure is
1680  *          owned by GTK+ and must not be unreffed or modified.
1681  */
1682 GClosure *
1683 gtk_action_get_accel_closure (GtkAction *action)
1684 {
1685   g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
1686
1687   return action->private_data->accel_closure;
1688 }
1689
1690
1691 /**
1692  * gtk_action_set_accel_group:
1693  * @action: the action object
1694  * @accel_group: a #GtkAccelGroup or %NULL
1695  *
1696  * Sets the #GtkAccelGroup in which the accelerator for this action
1697  * will be installed.
1698  *
1699  * Since: 2.4
1700  **/
1701 void
1702 gtk_action_set_accel_group (GtkAction     *action,
1703                             GtkAccelGroup *accel_group)
1704 {
1705   g_return_if_fail (GTK_IS_ACTION (action));
1706   g_return_if_fail (accel_group == NULL || GTK_IS_ACCEL_GROUP (accel_group));
1707
1708   if (accel_group)
1709     g_object_ref (accel_group);
1710   if (action->private_data->accel_group)
1711     g_object_unref (action->private_data->accel_group);
1712
1713   action->private_data->accel_group = accel_group;
1714 }
1715
1716 /**
1717  * gtk_action_connect_accelerator:
1718  * @action: a #GtkAction
1719  *
1720  * Installs the accelerator for @action if @action has an
1721  * accel path and group. See gtk_action_set_accel_path() and
1722  * gtk_action_set_accel_group()
1723  *
1724  * Since multiple proxies may independently trigger the installation
1725  * of the accelerator, the @action counts the number of times this
1726  * function has been called and doesn't remove the accelerator until
1727  * gtk_action_disconnect_accelerator() has been called as many times.
1728  *
1729  * Since: 2.4
1730  **/
1731 void
1732 gtk_action_connect_accelerator (GtkAction *action)
1733 {
1734   g_return_if_fail (GTK_IS_ACTION (action));
1735
1736   if (!action->private_data->accel_quark ||
1737       !action->private_data->accel_group)
1738     return;
1739
1740   if (action->private_data->accel_count == 0)
1741     {
1742       const gchar *accel_path =
1743         g_quark_to_string (action->private_data->accel_quark);
1744
1745       gtk_accel_group_connect_by_path (action->private_data->accel_group,
1746                                        accel_path,
1747                                        action->private_data->accel_closure);
1748     }
1749
1750   action->private_data->accel_count++;
1751 }
1752
1753 /**
1754  * gtk_action_disconnect_accelerator:
1755  * @action: a #GtkAction
1756  *
1757  * Undoes the effect of one call to gtk_action_connect_accelerator().
1758  *
1759  * Since: 2.4
1760  **/
1761 void
1762 gtk_action_disconnect_accelerator (GtkAction *action)
1763 {
1764   g_return_if_fail (GTK_IS_ACTION (action));
1765
1766   if (!action->private_data->accel_quark ||
1767       !action->private_data->accel_group)
1768     return;
1769
1770   action->private_data->accel_count--;
1771
1772   if (action->private_data->accel_count == 0)
1773     gtk_accel_group_disconnect (action->private_data->accel_group,
1774                                 action->private_data->accel_closure);
1775 }
1776
1777 #define __GTK_ACTION_C__
1778 #include "gtkaliasdef.c"