 40532b0d45
			
		
	
	40532b0d45
	
	
	
		
			
			2004-04-29 Matthias Clasen <mclasen@redhat.com> * gtk/gtkaction.c (closure_accel_activate): Use _gtk_action_emit_activate() instead of directly emitting the activate signal. (#141429, Jody Goldberg) * gtk/gtkactiongroup.c (gtk_action_group_add_action_with_accel): Warn people when the accelerator can not be parsed. (#141429, Jody Goldberg)
		
			
				
	
	
		
			1426 lines
		
	
	
		
			39 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1426 lines
		
	
	
		
			39 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * GTK - The GIMP Toolkit
 | |
|  * Copyright (C) 1998, 1999 Red Hat, Inc.
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * This Library is free software; you can redistribute it and/or
 | |
|  * modify it under the terms of the GNU Library General Public License as
 | |
|  * published by the Free Software Foundation; either version 2 of the
 | |
|  * License, or (at your option) any later version.
 | |
|  *
 | |
|  * This Library is distributed in the hope that it will be useful,
 | |
|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 | |
|  * Library General Public License for more details.
 | |
|  *
 | |
|  * You should have received a copy of the GNU Library General Public
 | |
|  * License along with the Gnome Library; see the file COPYING.LIB.  If not,
 | |
|  * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 | |
|  * Boston, MA 02111-1307, USA.
 | |
|  */
 | |
| 
 | |
| /*
 | |
|  * Author: James Henstridge <james@daa.com.au>
 | |
|  *
 | |
|  * Modified by the GTK+ Team and others 2003.  See the AUTHORS
 | |
|  * file for a list of people on the GTK+ Team.  See the ChangeLog
 | |
|  * files for a list of changes.  These files are distributed with
 | |
|  * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
 | |
|  */
 | |
| 
 | |
| #include <config.h>
 | |
| 
 | |
| #include "gtkaction.h"
 | |
| #include "gtkactiongroup.h"
 | |
| #include "gtkaccellabel.h"
 | |
| #include "gtkbutton.h"
 | |
| #include "gtkimage.h"
 | |
| #include "gtkimagemenuitem.h"
 | |
| #include "gtkintl.h"
 | |
| #include "gtklabel.h"
 | |
| #include "gtkmarshalers.h"
 | |
| #include "gtkmenuitem.h"
 | |
| #include "gtkstock.h"
 | |
| #include "gtktearoffmenuitem.h"
 | |
| #include "gtktoolbutton.h"
 | |
| #include "gtktoolbar.h"
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| 
 | |
| 
 | |
| #define GTK_ACTION_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_ACTION, GtkActionPrivate))
 | |
| 
 | |
| struct _GtkActionPrivate 
 | |
| {
 | |
|   gchar *name;
 | |
|   gchar *label;
 | |
|   gchar *short_label;
 | |
|   gchar *tooltip;
 | |
|   gchar *stock_id; /* icon */
 | |
| 
 | |
|   guint sensitive       : 1;
 | |
|   guint visible         : 1;
 | |
|   guint label_set       : 1; /* these two used so we can set label */
 | |
|   guint short_label_set : 1; /* based on stock id */
 | |
|   guint visible_horizontal : 1;
 | |
|   guint visible_vertical   : 1;
 | |
|   guint is_important    : 1;
 | |
|   guint hide_if_empty   : 1;
 | |
| 
 | |
|   /* accelerator */
 | |
|   guint          accel_count;
 | |
|   GtkAccelGroup *accel_group;
 | |
|   GClosure      *accel_closure;
 | |
|   GQuark         accel_quark;
 | |
| 
 | |
|   GtkActionGroup *action_group;
 | |
| 
 | |
|   /* list of proxy widgets */
 | |
|   GSList *proxies;
 | |
| };
 | |
| 
 | |
| enum 
 | |
| {
 | |
|   ACTIVATE,
 | |
|   LAST_SIGNAL
 | |
| };
 | |
| 
 | |
| enum 
 | |
| {
 | |
|   PROP_0,
 | |
|   PROP_NAME,
 | |
|   PROP_LABEL,
 | |
|   PROP_SHORT_LABEL,
 | |
|   PROP_TOOLTIP,
 | |
|   PROP_STOCK_ID,
 | |
|   PROP_VISIBLE_HORIZONTAL,
 | |
|   PROP_VISIBLE_VERTICAL,
 | |
|   PROP_IS_IMPORTANT,
 | |
|   PROP_HIDE_IF_EMPTY,
 | |
|   PROP_SENSITIVE,
 | |
|   PROP_VISIBLE,
 | |
|   PROP_ACTION_GROUP
 | |
| };
 | |
| 
 | |
| static void gtk_action_init       (GtkAction *action);
 | |
| static void gtk_action_class_init (GtkActionClass *class);
 | |
| 
 | |
| static GQuark       accel_path_id  = 0;
 | |
| static const gchar *accel_path_key = "GtkAction::accel_path";
 | |
| 
 | |
| GType
 | |
| gtk_action_get_type (void)
 | |
| {
 | |
|   static GtkType type = 0;
 | |
| 
 | |
|   if (!type)
 | |
|     {
 | |
|       static const GTypeInfo type_info =
 | |
|       {
 | |
|         sizeof (GtkActionClass),
 | |
|         (GBaseInitFunc) NULL,
 | |
|         (GBaseFinalizeFunc) NULL,
 | |
|         (GClassInitFunc) gtk_action_class_init,
 | |
|         (GClassFinalizeFunc) NULL,
 | |
|         NULL,
 | |
|         
 | |
|         sizeof (GtkAction),
 | |
|         0, /* n_preallocs */
 | |
|         (GInstanceInitFunc) gtk_action_init,
 | |
|       };
 | |
| 
 | |
|       type = g_type_register_static (G_TYPE_OBJECT,
 | |
| 				     "GtkAction",
 | |
| 				     &type_info, 0);
 | |
|     }
 | |
|   return type;
 | |
| }
 | |
| 
 | |
| static void gtk_action_finalize     (GObject *object);
 | |
| static void gtk_action_set_property (GObject         *object,
 | |
| 				     guint            prop_id,
 | |
| 				     const GValue    *value,
 | |
| 				     GParamSpec      *pspec);
 | |
| static void gtk_action_get_property (GObject         *object,
 | |
| 				     guint            prop_id,
 | |
| 				     GValue          *value,
 | |
| 				     GParamSpec      *pspec);
 | |
| static void gtk_action_set_action_group (GtkAction	    *action,
 | |
| 					 GtkActionGroup *action_group);
 | |
| 
 | |
| static GtkWidget *create_menu_item    (GtkAction *action);
 | |
| static GtkWidget *create_tool_item    (GtkAction *action);
 | |
| static void       connect_proxy       (GtkAction     *action,
 | |
| 				       GtkWidget     *proxy);
 | |
| static void       disconnect_proxy    (GtkAction *action,
 | |
| 				       GtkWidget *proxy);
 | |
| static void       closure_accel_activate (GClosure     *closure,
 | |
| 					  GValue       *return_value,
 | |
| 					  guint         n_param_values,
 | |
| 					  const GValue *param_values,
 | |
| 					  gpointer      invocation_hint,
 | |
| 					  gpointer      marshal_data);
 | |
| 
 | |
| static GObjectClass *parent_class = NULL;
 | |
| static guint         action_signals[LAST_SIGNAL] = { 0 };
 | |
| 
 | |
| 
 | |
| static void
 | |
| gtk_action_class_init (GtkActionClass *klass)
 | |
| {
 | |
|   GObjectClass *gobject_class;
 | |
| 
 | |
|   accel_path_id = g_quark_from_static_string (accel_path_key);
 | |
| 
 | |
|   parent_class = g_type_class_peek_parent (klass);
 | |
|   gobject_class = G_OBJECT_CLASS (klass);
 | |
| 
 | |
|   gobject_class->finalize     = gtk_action_finalize;
 | |
|   gobject_class->set_property = gtk_action_set_property;
 | |
|   gobject_class->get_property = gtk_action_get_property;
 | |
| 
 | |
|   klass->activate = NULL;
 | |
| 
 | |
|   klass->create_menu_item = create_menu_item;
 | |
|   klass->create_tool_item = create_tool_item;
 | |
|   klass->connect_proxy = connect_proxy;
 | |
|   klass->disconnect_proxy = disconnect_proxy;
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| 
 | |
|   klass->menu_item_type = GTK_TYPE_IMAGE_MENU_ITEM;
 | |
|   klass->toolbar_item_type = GTK_TYPE_TOOL_BUTTON;
 | |
| 
 | |
|   g_object_class_install_property (gobject_class,
 | |
| 				   PROP_NAME,
 | |
| 				   g_param_spec_string ("name",
 | |
| 							P_("Name"),
 | |
| 							P_("A unique name for the action."),
 | |
| 							NULL,
 | |
| 							G_PARAM_READWRITE |
 | |
| 							G_PARAM_CONSTRUCT_ONLY));
 | |
|   g_object_class_install_property (gobject_class,
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| 				   PROP_LABEL,
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| 				   g_param_spec_string ("label",
 | |
| 							P_("Label"),
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| 							P_("The label used for menu items and buttons that activate this action."),
 | |
| 							NULL,
 | |
| 							G_PARAM_READWRITE));
 | |
|   g_object_class_install_property (gobject_class,
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| 				   PROP_SHORT_LABEL,
 | |
| 				   g_param_spec_string ("short_label",
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| 							P_("Short label"),
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| 							P_("A shorter label that may be used on toolbar buttons."),
 | |
| 							NULL,
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| 							G_PARAM_READWRITE));
 | |
|   g_object_class_install_property (gobject_class,
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| 				   PROP_TOOLTIP,
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| 				   g_param_spec_string ("tooltip",
 | |
| 							P_("Tooltip"),
 | |
| 							P_("A tooltip for this action."),
 | |
| 							NULL,
 | |
| 							G_PARAM_READWRITE));
 | |
|   g_object_class_install_property (gobject_class,
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| 				   PROP_STOCK_ID,
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| 				   g_param_spec_string ("stock_id",
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| 							P_("Stock Icon"),
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| 							P_("The stock icon displayed in widgets representing this action."),
 | |
| 							NULL,
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| 							G_PARAM_READWRITE));
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|   g_object_class_install_property (gobject_class,
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| 				   PROP_VISIBLE_HORIZONTAL,
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| 				   g_param_spec_boolean ("visible_horizontal",
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| 							 P_("Visible when horizontal"),
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| 							 P_("Whether the toolbar item is visible when the toolbar is in a horizontal orientation."),
 | |
| 							 TRUE,
 | |
| 							 G_PARAM_READWRITE));
 | |
|   g_object_class_install_property (gobject_class,
 | |
| 				   PROP_VISIBLE_VERTICAL,
 | |
| 				   g_param_spec_boolean ("visible_vertical",
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| 							 P_("Visible when vertical"),
 | |
| 							 P_("Whether the toolbar item is visible when the toolbar is in a vertical orientation."),
 | |
| 							 TRUE,
 | |
| 							 G_PARAM_READWRITE));
 | |
|   g_object_class_install_property (gobject_class,
 | |
| 				   PROP_IS_IMPORTANT,
 | |
| 				   g_param_spec_boolean ("is_important",
 | |
| 							 P_("Is important"),
 | |
| 							 P_("Whether the action is considered important. When TRUE, toolitem proxies for this action show text in GTK_TOOLBAR_BOTH_HORIZ mode."),
 | |
| 							 FALSE,
 | |
| 							 G_PARAM_READWRITE));
 | |
|   g_object_class_install_property (gobject_class,
 | |
| 				   PROP_HIDE_IF_EMPTY,
 | |
| 				   g_param_spec_boolean ("hide_if_empty",
 | |
| 							 P_("Hide if empty"),
 | |
| 							 P_("When TRUE, empty menu proxies for this action are hidden."),
 | |
| 							 TRUE,
 | |
| 							 G_PARAM_READWRITE));
 | |
|   g_object_class_install_property (gobject_class,
 | |
| 				   PROP_SENSITIVE,
 | |
| 				   g_param_spec_boolean ("sensitive",
 | |
| 							 P_("Sensitive"),
 | |
| 							 P_("Whether the action is enabled."),
 | |
| 							 TRUE,
 | |
| 							 G_PARAM_READWRITE));
 | |
|   g_object_class_install_property (gobject_class,
 | |
| 				   PROP_VISIBLE,
 | |
| 				   g_param_spec_boolean ("visible",
 | |
| 							 P_("Visible"),
 | |
| 							 P_("Whether the action is visible."),
 | |
| 							 TRUE,
 | |
| 							 G_PARAM_READWRITE));
 | |
|   g_object_class_install_property (gobject_class,
 | |
| 				   PROP_ACTION_GROUP,
 | |
| 				   g_param_spec_object ("action_group",
 | |
| 							 P_("Action Group"),
 | |
| 							 P_("The GtkActionGroup this GtkAction is associated with, or NULL (for internal use)."),
 | |
| 							 GTK_TYPE_ACTION_GROUP,
 | |
| 							 G_PARAM_READWRITE));
 | |
| 
 | |
|   /**
 | |
|    * GtkAction::activate:
 | |
|    * @action: the #GtkAction
 | |
|    *
 | |
|    * The "activate" signal is emitted when the action is activated.
 | |
|    *
 | |
|    * Since: 2.4
 | |
|    */
 | |
|   action_signals[ACTIVATE] =
 | |
|     g_signal_new ("activate",
 | |
| 		  G_OBJECT_CLASS_TYPE (klass),
 | |
| 		  G_SIGNAL_RUN_FIRST | G_SIGNAL_NO_RECURSE,
 | |
| 		  G_STRUCT_OFFSET (GtkActionClass, activate),  NULL, NULL,
 | |
| 		  g_cclosure_marshal_VOID__VOID,
 | |
| 		  G_TYPE_NONE, 0);
 | |
| 
 | |
|   g_type_class_add_private (gobject_class, sizeof (GtkActionPrivate));
 | |
| }
 | |
| 
 | |
| 
 | |
| static void
 | |
| gtk_action_init (GtkAction *action)
 | |
| {
 | |
|   action->private_data = GTK_ACTION_GET_PRIVATE (action);
 | |
| 
 | |
|   action->private_data->name = NULL;
 | |
|   action->private_data->label = NULL;
 | |
|   action->private_data->short_label = NULL;
 | |
|   action->private_data->tooltip = NULL;
 | |
|   action->private_data->stock_id = NULL;
 | |
|   action->private_data->visible_horizontal = TRUE;
 | |
|   action->private_data->visible_vertical   = TRUE;
 | |
|   action->private_data->is_important = FALSE;
 | |
|   action->private_data->hide_if_empty = TRUE;
 | |
| 
 | |
|   action->private_data->sensitive = TRUE;
 | |
|   action->private_data->visible = TRUE;
 | |
| 
 | |
|   action->private_data->label_set = FALSE;
 | |
|   action->private_data->short_label_set = FALSE;
 | |
| 
 | |
|   action->private_data->accel_count = 0;
 | |
|   action->private_data->accel_group = NULL;
 | |
|   action->private_data->accel_quark = 0;
 | |
|   action->private_data->accel_closure = 
 | |
|     g_closure_new_object (sizeof (GClosure), G_OBJECT (action));
 | |
|   g_closure_set_marshal (action->private_data->accel_closure, 
 | |
| 			 closure_accel_activate);
 | |
|   g_closure_ref (action->private_data->accel_closure);
 | |
|   g_closure_sink (action->private_data->accel_closure);
 | |
| 
 | |
|   action->private_data->action_group = NULL;
 | |
| 
 | |
|   action->private_data->proxies = NULL;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_action_new:
 | |
|  * @name: A unique name for the action
 | |
|  * @label: the label displayed in menu items and on buttons
 | |
|  * @tooltip: a tooltip for the action
 | |
|  * @stock_id: the stock icon to display in widgets representing the action
 | |
|  *
 | |
|  * Creates a new #GtkAction object. To add the action to a
 | |
|  * #GtkActionGroup and set the accelerator for the action,
 | |
|  * call gtk_action_group_add_action_with_accel().
 | |
|  *
 | |
|  * Return value: a new #GtkAction
 | |
|  *
 | |
|  * Since: 2.4
 | |
|  */
 | |
| GtkAction *
 | |
| gtk_action_new (const gchar *name,
 | |
| 		const gchar *label,
 | |
| 		const gchar *tooltip,
 | |
| 		const gchar *stock_id)
 | |
| {
 | |
|   GtkAction *action;
 | |
| 
 | |
|   action = g_object_new (GTK_TYPE_ACTION,
 | |
| 			 "name", name,
 | |
| 			 "label", label,
 | |
| 			 "tooltip", tooltip,
 | |
| 			 "stock_id", stock_id,
 | |
| 			 NULL);
 | |
| 
 | |
|   return action;
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_action_finalize (GObject *object)
 | |
| {
 | |
|   GtkAction *action;
 | |
|   action = GTK_ACTION (object);
 | |
| 
 | |
|   g_free (action->private_data->name);
 | |
|   g_free (action->private_data->label);
 | |
|   g_free (action->private_data->short_label);
 | |
|   g_free (action->private_data->tooltip);
 | |
|   g_free (action->private_data->stock_id);
 | |
| 
 | |
|   g_closure_unref (action->private_data->accel_closure);
 | |
|   if (action->private_data->accel_group)
 | |
|     g_object_unref (action->private_data->accel_group);
 | |
| 
 | |
|   G_OBJECT_CLASS (parent_class)->finalize (object);  
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_action_set_property (GObject         *object,
 | |
| 			 guint            prop_id,
 | |
| 			 const GValue    *value,
 | |
| 			 GParamSpec      *pspec)
 | |
| {
 | |
|   GtkAction *action;
 | |
|   gchar *tmp;
 | |
|   
 | |
|   action = GTK_ACTION (object);
 | |
| 
 | |
|   switch (prop_id)
 | |
|     {
 | |
|     case PROP_NAME:
 | |
|       tmp = action->private_data->name;
 | |
|       action->private_data->name = g_value_dup_string (value);
 | |
|       g_free (tmp);
 | |
|       break;
 | |
|     case PROP_LABEL:
 | |
|       tmp = action->private_data->label;
 | |
|       action->private_data->label = g_value_dup_string (value);
 | |
|       g_free (tmp);
 | |
|       action->private_data->label_set = (action->private_data->label != NULL);
 | |
|       /* if label is unset, then use the label from the stock item */
 | |
|       if (!action->private_data->label_set && action->private_data->stock_id)
 | |
| 	{
 | |
| 	  GtkStockItem stock_item;
 | |
| 
 | |
| 	  if (gtk_stock_lookup (action->private_data->stock_id, &stock_item))
 | |
| 	    action->private_data->label = g_strdup (stock_item.label);
 | |
| 	}
 | |
|       /* if short_label is unset, set short_label=label */
 | |
|       if (!action->private_data->short_label_set)
 | |
| 	{
 | |
| 	  tmp = action->private_data->short_label;
 | |
| 	  action->private_data->short_label = g_strdup (action->private_data->label);
 | |
| 	  g_free (tmp);
 | |
| 	  g_object_notify (object, "short_label");
 | |
| 	}
 | |
|       break;
 | |
|     case PROP_SHORT_LABEL:
 | |
|       tmp = action->private_data->short_label;
 | |
|       action->private_data->short_label = g_value_dup_string (value);
 | |
|       g_free (tmp);
 | |
|       action->private_data->short_label_set = (action->private_data->short_label != NULL);
 | |
|       /* if short_label is unset, then use the value of label */
 | |
|       if (!action->private_data->short_label_set)
 | |
| 	{
 | |
| 	  action->private_data->short_label = g_strdup (action->private_data->label);
 | |
| 	}
 | |
|       break;
 | |
|     case PROP_TOOLTIP:
 | |
|       tmp = action->private_data->tooltip;
 | |
|       action->private_data->tooltip = g_value_dup_string (value);
 | |
|       g_free (tmp);
 | |
|       break;
 | |
|     case PROP_STOCK_ID:
 | |
|       tmp = action->private_data->stock_id;
 | |
|       action->private_data->stock_id = g_value_dup_string (value);
 | |
|       g_free (tmp);
 | |
|       /* update label and short_label if appropriate */
 | |
|       if (!action->private_data->label_set)
 | |
| 	{
 | |
| 	  GtkStockItem stock_item;
 | |
| 
 | |
| 	  g_free (action->private_data->label);
 | |
| 	  if (gtk_stock_lookup (action->private_data->stock_id, &stock_item))
 | |
| 	    action->private_data->label = g_strdup (stock_item.label);
 | |
| 	  else
 | |
| 	    action->private_data->label = NULL;
 | |
| 	  g_object_notify (object, "label");
 | |
| 	}
 | |
|       if (!action->private_data->short_label_set)
 | |
| 	{
 | |
| 	  tmp = action->private_data->short_label;
 | |
| 	  action->private_data->short_label = g_strdup (action->private_data->label);
 | |
| 	  g_free (tmp);
 | |
| 	  g_object_notify (object, "short_label");
 | |
| 	}
 | |
|       break;
 | |
|     case PROP_VISIBLE_HORIZONTAL:
 | |
|       action->private_data->visible_horizontal = g_value_get_boolean (value);
 | |
|       break;
 | |
|     case PROP_VISIBLE_VERTICAL:
 | |
|       action->private_data->visible_vertical = g_value_get_boolean (value);
 | |
|       break;
 | |
|     case PROP_IS_IMPORTANT:
 | |
|       action->private_data->is_important = g_value_get_boolean (value);
 | |
|       break;
 | |
|     case PROP_HIDE_IF_EMPTY:
 | |
|       action->private_data->hide_if_empty = g_value_get_boolean (value);
 | |
|       break;
 | |
|     case PROP_SENSITIVE:
 | |
|       action->private_data->sensitive = g_value_get_boolean (value);
 | |
|       break;
 | |
|     case PROP_VISIBLE:
 | |
|       action->private_data->visible = g_value_get_boolean (value);
 | |
|       break;
 | |
|     case PROP_ACTION_GROUP:
 | |
|       gtk_action_set_action_group (action, g_value_get_object (value));
 | |
|       break;
 | |
|     default:
 | |
|       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 | |
|       break;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_action_get_property (GObject    *object,
 | |
| 			 guint       prop_id,
 | |
| 			 GValue     *value,
 | |
| 			 GParamSpec *pspec)
 | |
| {
 | |
|   GtkAction *action;
 | |
| 
 | |
|   action = GTK_ACTION (object);
 | |
| 
 | |
|   switch (prop_id)
 | |
|     {
 | |
|     case PROP_NAME:
 | |
|       g_value_set_string (value, action->private_data->name);
 | |
|       break;
 | |
|     case PROP_LABEL:
 | |
|       g_value_set_string (value, action->private_data->label);
 | |
|       break;
 | |
|     case PROP_SHORT_LABEL:
 | |
|       g_value_set_string (value, action->private_data->short_label);
 | |
|       break;
 | |
|     case PROP_TOOLTIP:
 | |
|       g_value_set_string (value, action->private_data->tooltip);
 | |
|       break;
 | |
|     case PROP_STOCK_ID:
 | |
|       g_value_set_string (value, action->private_data->stock_id);
 | |
|       break;
 | |
|     case PROP_VISIBLE_HORIZONTAL:
 | |
|       g_value_set_boolean (value, action->private_data->visible_horizontal);
 | |
|       break;
 | |
|     case PROP_VISIBLE_VERTICAL:
 | |
|       g_value_set_boolean (value, action->private_data->visible_vertical);
 | |
|       break;
 | |
|     case PROP_IS_IMPORTANT:
 | |
|       g_value_set_boolean (value, action->private_data->is_important);
 | |
|       break;
 | |
|     case PROP_HIDE_IF_EMPTY:
 | |
|       g_value_set_boolean (value, action->private_data->hide_if_empty);
 | |
|       break;
 | |
|     case PROP_SENSITIVE:
 | |
|       g_value_set_boolean (value, action->private_data->sensitive);
 | |
|       break;
 | |
|     case PROP_VISIBLE:
 | |
|       g_value_set_boolean (value, action->private_data->visible);
 | |
|       break;
 | |
|     case PROP_ACTION_GROUP:
 | |
|       g_value_set_object (value, action->private_data->action_group);
 | |
|       break;
 | |
|     default:
 | |
|       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 | |
|       break;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static GtkWidget *
 | |
| create_menu_item (GtkAction *action)
 | |
| {
 | |
|   GType menu_item_type;
 | |
| 
 | |
|   menu_item_type = GTK_ACTION_GET_CLASS (action)->menu_item_type;
 | |
| 
 | |
|   return g_object_new (menu_item_type, NULL);
 | |
| }
 | |
| 
 | |
| static GtkWidget *
 | |
| create_tool_item (GtkAction *action)
 | |
| {
 | |
|   GType toolbar_item_type;
 | |
| 
 | |
|   toolbar_item_type = GTK_ACTION_GET_CLASS (action)->toolbar_item_type;
 | |
| 
 | |
|   return g_object_new (toolbar_item_type, NULL);
 | |
| }
 | |
| 
 | |
| static void
 | |
| remove_proxy (GtkWidget *proxy, 
 | |
| 	      GtkAction *action)
 | |
| {
 | |
|   if (GTK_IS_MENU_ITEM (proxy))
 | |
|     gtk_action_disconnect_accelerator (action);
 | |
| 
 | |
|   action->private_data->proxies = g_slist_remove (action->private_data->proxies, proxy);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_action_sync_sensitivity (GtkAction  *action, 
 | |
| 			     GParamSpec *pspec,
 | |
| 			     GtkWidget  *proxy)
 | |
| {
 | |
|   gtk_widget_set_sensitive (proxy, gtk_action_is_sensitive (action));
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_action_sync_property (GtkAction  *action, 
 | |
| 			  GParamSpec *pspec,
 | |
| 			  GtkWidget  *proxy)
 | |
| {
 | |
|   const gchar *property;
 | |
|   GValue value = { 0, };
 | |
| 
 | |
|   property = g_param_spec_get_name (pspec);
 | |
| 
 | |
|   g_value_init (&value, G_PARAM_SPEC_VALUE_TYPE (pspec));
 | |
|   g_object_get_property (G_OBJECT (action), property, &value);
 | |
| 
 | |
|   g_object_set_property (G_OBJECT (proxy), property, &value);
 | |
|   g_value_unset (&value);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * _gtk_action_sync_menu_visible:
 | |
|  * @action: a #GtkAction, or %NULL to determine the action from @proxy
 | |
|  * @proxy: a proxy menu item
 | |
|  * @empty: whether the submenu attached to @proxy is empty
 | |
|  * 
 | |
|  * Updates the visibility of @proxy from the visibility of @action
 | |
|  * according to the following rules:
 | |
|  * <itemizedlist>
 | |
|  * <listitem><para>if @action is invisible, @proxy is too
 | |
|  * </para></listitem>
 | |
|  * <listitem><para>if @empty is %TRUE, hide @proxy unless the "hide-if-empty" 
 | |
|  *   property of @action indicates otherwise
 | |
|  * </para></listitem>
 | |
|  * </itemizedlist>
 | |
|  * 
 | |
|  * This function is used in the implementation of #GtkUIManager.
 | |
|  **/
 | |
| void
 | |
| _gtk_action_sync_menu_visible (GtkAction *action,
 | |
| 			       GtkWidget *proxy,
 | |
| 			       gboolean   empty)
 | |
| {
 | |
|   gboolean visible, hide_if_empty;
 | |
| 
 | |
|   g_return_if_fail (GTK_IS_MENU_ITEM (proxy));
 | |
|   g_return_if_fail (action == NULL || GTK_IS_ACTION (action));
 | |
|   
 | |
|   if (action == NULL)
 | |
|     action = g_object_get_data (G_OBJECT (proxy), "gtk-action");
 | |
| 
 | |
|   visible = gtk_action_is_visible (action);
 | |
|   hide_if_empty = action->private_data->hide_if_empty;
 | |
| 
 | |
|   g_object_set (G_OBJECT (proxy),
 | |
| 		"visible", visible && !(empty && hide_if_empty),
 | |
| 		NULL);
 | |
| }
 | |
| 
 | |
| gboolean _gtk_menu_is_empty (GtkWidget *menu);
 | |
| 
 | |
| static void
 | |
| gtk_action_sync_visible (GtkAction  *action, 
 | |
| 			 GParamSpec *pspec,
 | |
| 			 GtkWidget  *proxy)
 | |
| {
 | |
|   if (GTK_IS_MENU_ITEM (proxy))
 | |
|     {
 | |
|       GtkWidget *menu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (proxy));
 | |
| 
 | |
|       _gtk_action_sync_menu_visible (action, proxy, _gtk_menu_is_empty (menu));
 | |
|     }
 | |
|   else
 | |
|     {
 | |
|       if (gtk_action_is_visible (action))
 | |
| 	gtk_widget_show (proxy);
 | |
|       else
 | |
| 	gtk_widget_hide (proxy);
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_action_sync_label (GtkAction  *action, 
 | |
| 		       GParamSpec *pspec, 
 | |
| 		       GtkWidget  *proxy)
 | |
| {
 | |
|   GtkWidget *label = NULL;
 | |
| 
 | |
|   g_return_if_fail (GTK_IS_MENU_ITEM (proxy));
 | |
|   label = GTK_BIN (proxy)->child;
 | |
| 
 | |
|   if (GTK_IS_LABEL (label))
 | |
|     gtk_label_set_label (GTK_LABEL (label), action->private_data->label);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_action_sync_short_label (GtkAction  *action, 
 | |
| 			     GParamSpec *pspec,
 | |
| 			     GtkWidget  *proxy)
 | |
| {
 | |
|   GValue value = { 0, };
 | |
| 
 | |
|   g_value_init (&value, G_TYPE_STRING);
 | |
|   g_object_get_property (G_OBJECT (action), "short_label", &value);
 | |
| 
 | |
|   g_object_set_property (G_OBJECT (proxy), "label", &value);
 | |
|   g_value_unset (&value);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_action_sync_stock_id (GtkAction  *action, 
 | |
| 			  GParamSpec *pspec,
 | |
| 			  GtkWidget  *proxy)
 | |
| {
 | |
|   GtkWidget *image = NULL;
 | |
| 
 | |
|   if (GTK_IS_IMAGE_MENU_ITEM (proxy))
 | |
|     {
 | |
|       image = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (proxy));
 | |
| 
 | |
|       if (GTK_IS_IMAGE (image))
 | |
| 	gtk_image_set_from_stock (GTK_IMAGE (image),
 | |
| 				  action->private_data->stock_id, GTK_ICON_SIZE_MENU);
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_action_sync_tooltip (GtkAction  *action, 
 | |
| 			 GParamSpec *pspec, 
 | |
| 			 GtkWidget  *proxy)
 | |
| {
 | |
|   g_return_if_fail (GTK_IS_TOOL_ITEM (proxy));
 | |
| 
 | |
|   if (GTK_IS_TOOLBAR (gtk_widget_get_parent (proxy)))
 | |
|     {
 | |
|       GtkToolbar *toolbar = GTK_TOOLBAR (gtk_widget_get_parent (proxy));
 | |
|       
 | |
|       gtk_tool_item_set_tooltip (GTK_TOOL_ITEM (proxy), 
 | |
| 				 toolbar->tooltips,
 | |
| 				 action->private_data->tooltip,
 | |
| 				 NULL);
 | |
|     }
 | |
| }
 | |
| 
 | |
| 
 | |
| static gboolean
 | |
| gtk_action_create_menu_proxy (GtkToolItem *tool_item, 
 | |
| 			      GtkAction   *action)
 | |
| {
 | |
|   GtkWidget *menu_item = gtk_action_create_menu_item (action);
 | |
| 
 | |
|   g_object_ref (menu_item);
 | |
|   gtk_object_sink (GTK_OBJECT (menu_item));
 | |
|   
 | |
|   gtk_tool_item_set_proxy_menu_item (tool_item, "gtk-action-menu-item", menu_item);
 | |
|   g_object_unref (menu_item);
 | |
| 
 | |
|   return TRUE;
 | |
| }
 | |
| 
 | |
| static void
 | |
| connect_proxy (GtkAction     *action, 
 | |
| 	       GtkWidget     *proxy)
 | |
| {
 | |
|   GtkActionGroup *group = action->private_data->action_group;
 | |
| 
 | |
|   g_object_ref (action);
 | |
|   g_object_set_data_full (G_OBJECT (proxy), "gtk-action", action,
 | |
| 			  g_object_unref);
 | |
| 
 | |
|   /* add this widget to the list of proxies */
 | |
|   action->private_data->proxies = g_slist_prepend (action->private_data->proxies, proxy);
 | |
|   g_signal_connect (proxy, "destroy",
 | |
| 		    G_CALLBACK (remove_proxy), action);
 | |
| 
 | |
|   g_signal_connect_object (action, "notify::sensitive",
 | |
| 			   G_CALLBACK (gtk_action_sync_sensitivity), proxy, 0);
 | |
|   gtk_widget_set_sensitive (proxy, gtk_action_is_sensitive (action));
 | |
| 
 | |
|   g_signal_connect_object (action, "notify::visible",
 | |
| 			   G_CALLBACK (gtk_action_sync_visible), proxy, 0);
 | |
|   if (gtk_action_is_visible (action))
 | |
|     gtk_widget_show (proxy);
 | |
|   else
 | |
|     gtk_widget_hide (proxy);
 | |
|   gtk_widget_set_no_show_all (proxy, TRUE);
 | |
| 
 | |
|   if (GTK_IS_MENU_ITEM (proxy))
 | |
|     {
 | |
|       GtkWidget *label;
 | |
|       /* menu item specific synchronisers ... */
 | |
|       
 | |
|       if (action->private_data->accel_quark)
 | |
|  	{
 | |
| 	  gtk_action_connect_accelerator (action);
 | |
|  	  gtk_menu_item_set_accel_path (GTK_MENU_ITEM (proxy),
 | |
|  					g_quark_to_string (action->private_data->accel_quark));
 | |
|  	}
 | |
|       
 | |
|       label = GTK_BIN (proxy)->child;
 | |
| 
 | |
|       /* make sure label is a label */
 | |
|       if (label && !GTK_IS_LABEL (label))
 | |
| 	{
 | |
| 	  gtk_container_remove (GTK_CONTAINER (proxy), label);
 | |
| 	  label = NULL;
 | |
| 	}
 | |
| 
 | |
|       if (!label)
 | |
| 	label = g_object_new (GTK_TYPE_ACCEL_LABEL,
 | |
| 			      "use_underline", TRUE,
 | |
| 			      "xalign", 0.0,
 | |
| 			      "visible", TRUE,
 | |
| 			      "parent", proxy,
 | |
| 			      NULL);
 | |
|       
 | |
|       if (GTK_IS_ACCEL_LABEL (label) && action->private_data->accel_quark)
 | |
| 	g_object_set (G_OBJECT (label),
 | |
| 		      "accel_closure", action->private_data->accel_closure,
 | |
| 		      NULL);
 | |
| 
 | |
|       gtk_label_set_label (GTK_LABEL (label), action->private_data->label);
 | |
|       g_signal_connect_object (action, "notify::label",
 | |
| 			       G_CALLBACK (gtk_action_sync_label), proxy, 0);
 | |
| 
 | |
|       if (GTK_IS_IMAGE_MENU_ITEM (proxy))
 | |
| 	{
 | |
| 	  GtkWidget *image;
 | |
| 
 | |
| 	  image = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (proxy));
 | |
| 	  if (image && !GTK_IS_IMAGE (image))
 | |
| 	    {
 | |
| 	      gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (proxy), NULL);
 | |
| 	      image = NULL;
 | |
| 	    }
 | |
| 	  if (!image)
 | |
| 	    {
 | |
| 	      image = gtk_image_new_from_stock (NULL,
 | |
| 						GTK_ICON_SIZE_MENU);
 | |
| 	      gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (proxy),
 | |
| 					     image);
 | |
| 	      gtk_widget_show (image);
 | |
| 	    }
 | |
| 	  gtk_image_set_from_stock (GTK_IMAGE (image),
 | |
| 				    action->private_data->stock_id, GTK_ICON_SIZE_MENU);
 | |
| 	  g_signal_connect_object (action, "notify::stock_id",
 | |
| 				   G_CALLBACK (gtk_action_sync_stock_id),
 | |
| 				   proxy, 0);
 | |
| 	}
 | |
| 
 | |
|       if (gtk_menu_item_get_submenu (GTK_MENU_ITEM (proxy)) == NULL)
 | |
|       g_signal_connect_object (proxy, "activate",
 | |
| 			       G_CALLBACK (gtk_action_activate), action,
 | |
| 			       G_CONNECT_SWAPPED);
 | |
| 
 | |
|     }
 | |
|   else if (GTK_IS_TOOL_ITEM (proxy))
 | |
|     {
 | |
|       /* toolbar item specific synchronisers ... */
 | |
| 
 | |
|       g_object_set (G_OBJECT (proxy),
 | |
| 		    "visible_horizontal", action->private_data->visible_horizontal,
 | |
| 		    "visible_vertical",	  action->private_data->visible_vertical,
 | |
| 		    "is_important", action->private_data->is_important,
 | |
| 		    NULL);
 | |
|       /* FIXME: we should set the tooltip here, but the current api
 | |
|        * doesn't allow it before the item is added to a toolbar. 
 | |
|        */
 | |
|       g_signal_connect_object (action, "notify::visible_horizontal",
 | |
| 			       G_CALLBACK (gtk_action_sync_property), 
 | |
| 			       proxy, 0);
 | |
|       g_signal_connect_object (action, "notify::visible_vertical",
 | |
| 			       G_CALLBACK (gtk_action_sync_property), 
 | |
| 			       proxy, 0);
 | |
|       g_signal_connect_object (action, "notify::is_important",
 | |
| 			       G_CALLBACK (gtk_action_sync_property), 
 | |
| 			       proxy, 0);
 | |
|       g_signal_connect_object (action, "notify::tooltip",
 | |
| 			       G_CALLBACK (gtk_action_sync_tooltip), 
 | |
| 			       proxy, 0);
 | |
| 
 | |
|       g_signal_connect_object (proxy, "create_menu_proxy",
 | |
| 			       G_CALLBACK (gtk_action_create_menu_proxy),
 | |
| 			       action, 0);
 | |
| 
 | |
|       /* toolbar button specific synchronisers ... */
 | |
|       if (GTK_IS_TOOL_BUTTON (proxy))
 | |
| 	{
 | |
| 	  g_object_set (G_OBJECT (proxy),
 | |
| 			"label", action->private_data->short_label,
 | |
| 			"use_underline", TRUE,
 | |
| 			"stock_id", action->private_data->stock_id,
 | |
| 			NULL);
 | |
| 	  /* FIXME: we should set the tooltip here, but the current api
 | |
| 	   * doesn't allow it before the item is added to a toolbar. 
 | |
| 	   */
 | |
| 	  g_signal_connect_object (action, "notify::short_label",
 | |
| 				   G_CALLBACK (gtk_action_sync_short_label),
 | |
| 				   proxy, 0);      
 | |
| 	  g_signal_connect_object (action, "notify::stock_id",
 | |
| 				   G_CALLBACK (gtk_action_sync_property), 
 | |
| 				   proxy, 0);
 | |
|       g_signal_connect_object (proxy, "clicked",
 | |
| 			       G_CALLBACK (gtk_action_activate), action,
 | |
| 			       G_CONNECT_SWAPPED);
 | |
|     }
 | |
|     }
 | |
|   else if (GTK_IS_BUTTON (proxy))
 | |
|     {
 | |
|       /* button specific synchronisers ... */
 | |
| 
 | |
|       /* synchronise the label */
 | |
|       g_object_set (G_OBJECT (proxy),
 | |
| 		    "label", action->private_data->short_label,
 | |
| 		    "use_underline", TRUE,
 | |
| 		    NULL);
 | |
|       g_signal_connect_object (action, "notify::short_label",
 | |
| 			       G_CALLBACK (gtk_action_sync_short_label),
 | |
| 			       proxy, 0);
 | |
|       
 | |
|       g_signal_connect_object (proxy, "clicked",
 | |
| 			       G_CALLBACK (gtk_action_activate), action,
 | |
| 			       G_CONNECT_SWAPPED);
 | |
|     }
 | |
| 
 | |
|   _gtk_action_group_emit_connect_proxy (group, action, proxy);
 | |
| }
 | |
| 
 | |
| static void
 | |
| disconnect_proxy (GtkAction *action, 
 | |
| 		  GtkWidget *proxy)
 | |
| {
 | |
|   GtkActionGroup *group = action->private_data->action_group;
 | |
| 
 | |
|   g_object_set_data (G_OBJECT (proxy), "gtk-action", NULL);
 | |
| 
 | |
|   /* remove proxy from list of proxies */
 | |
|   g_signal_handlers_disconnect_by_func (proxy,
 | |
| 					G_CALLBACK (remove_proxy),
 | |
| 					action);
 | |
|   remove_proxy (proxy, action);
 | |
| 
 | |
|   /* disconnect the activate handler */
 | |
|   g_signal_handlers_disconnect_by_func (proxy,
 | |
| 					G_CALLBACK (gtk_action_activate),
 | |
| 					action);
 | |
| 
 | |
|   /* disconnect handlers for notify::* signals */
 | |
|   g_signal_handlers_disconnect_by_func (proxy,
 | |
| 					G_CALLBACK (gtk_action_sync_sensitivity),
 | |
| 					action);
 | |
|   g_signal_handlers_disconnect_by_func (proxy,
 | |
| 					G_CALLBACK (gtk_action_sync_property),
 | |
| 					action);
 | |
| 
 | |
|   g_signal_handlers_disconnect_by_func (action,
 | |
| 				G_CALLBACK (gtk_action_sync_stock_id), proxy);
 | |
| 
 | |
|   /* menu item specific synchronisers ... */
 | |
|   g_signal_handlers_disconnect_by_func (action,
 | |
| 					G_CALLBACK (gtk_action_sync_label),
 | |
| 					proxy);
 | |
|   
 | |
|   /* toolbar button specific synchronisers ... */
 | |
|   g_signal_handlers_disconnect_by_func (action,
 | |
| 					G_CALLBACK (gtk_action_sync_short_label),
 | |
| 					proxy);
 | |
| 
 | |
|   g_signal_handlers_disconnect_by_func (proxy,
 | |
| 					G_CALLBACK (gtk_action_create_menu_proxy),
 | |
| 					action);
 | |
| 
 | |
|   _gtk_action_group_emit_disconnect_proxy (group, action, proxy);
 | |
| }
 | |
| 
 | |
| void
 | |
| _gtk_action_emit_activate (GtkAction *action)
 | |
| {
 | |
|   GtkActionGroup *group = action->private_data->action_group;
 | |
| 
 | |
|   if (group != NULL) 
 | |
|     {
 | |
|       g_object_ref (group);
 | |
|       _gtk_action_group_emit_pre_activate (group, action);
 | |
|     }
 | |
| 
 | |
|     g_signal_emit (action, action_signals[ACTIVATE], 0);
 | |
| 
 | |
|   if (group != NULL) 
 | |
|     {
 | |
|       _gtk_action_group_emit_post_activate (group, action);
 | |
|       g_object_unref (group);
 | |
|     }
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_action_activate:
 | |
|  * @action: the action object
 | |
|  *
 | |
|  * Emits the "activate" signal on the specified action, if it isn't 
 | |
|  * insensitive. This gets called by the proxy widgets when they get 
 | |
|  * activated.
 | |
|  *
 | |
|  * It can also be used to manually activate an action.
 | |
|  *
 | |
|  * Since: 2.4
 | |
|  */
 | |
| void
 | |
| gtk_action_activate (GtkAction *action)
 | |
| {
 | |
|   g_return_if_fail (GTK_IS_ACTION (action));
 | |
|   
 | |
|   if (gtk_action_is_sensitive (action))
 | |
|     _gtk_action_emit_activate (action);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_action_create_icon:
 | |
|  * @action: the action object
 | |
|  * @icon_size: the size of the icon that should be created.
 | |
|  *
 | |
|  * This function is intended for use by action implementations to
 | |
|  * create icons displayed in the proxy widgets.
 | |
|  *
 | |
|  * Returns: a widget that displays the icon for this action.
 | |
|  *
 | |
|  * Since: 2.4
 | |
|  */
 | |
| GtkWidget *
 | |
| gtk_action_create_icon (GtkAction *action, GtkIconSize icon_size)
 | |
| {
 | |
|   g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
 | |
| 
 | |
|   if (action->private_data->stock_id)
 | |
|     return gtk_image_new_from_stock (action->private_data->stock_id, icon_size);
 | |
|   else
 | |
|     return NULL;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_action_create_menu_item:
 | |
|  * @action: the action object
 | |
|  *
 | |
|  * Creates a menu item widget that proxies for the given action.
 | |
|  *
 | |
|  * Returns: a menu item connected to the action.
 | |
|  *
 | |
|  * Since: 2.4
 | |
|  */
 | |
| GtkWidget *
 | |
| gtk_action_create_menu_item (GtkAction *action)
 | |
| {
 | |
|   GtkWidget *menu_item;
 | |
| 
 | |
|   g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
 | |
| 
 | |
|   menu_item = (* GTK_ACTION_GET_CLASS (action)->create_menu_item) (action);
 | |
| 
 | |
|   (* GTK_ACTION_GET_CLASS (action)->connect_proxy) (action, menu_item);
 | |
| 
 | |
|   return menu_item;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_action_create_tool_item:
 | |
|  * @action: the action object
 | |
|  *
 | |
|  * Creates a toolbar item widget that proxies for the given action.
 | |
|  *
 | |
|  * Returns: a toolbar item connected to the action.
 | |
|  *
 | |
|  * Since: 2.4
 | |
|  */
 | |
| GtkWidget *
 | |
| gtk_action_create_tool_item (GtkAction *action)
 | |
| {
 | |
|   GtkWidget *button;
 | |
| 
 | |
|   g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
 | |
| 
 | |
|   button = (* GTK_ACTION_GET_CLASS (action)->create_tool_item) (action);
 | |
| 
 | |
|   (* GTK_ACTION_GET_CLASS (action)->connect_proxy) (action, button);
 | |
| 
 | |
|   return button;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_action_connect_proxy:
 | |
|  * @action: the action object
 | |
|  * @proxy: the proxy widget
 | |
|  *
 | |
|  * Connects a widget to an action object as a proxy.  Synchronises 
 | |
|  * various properties of the action with the widget (such as label 
 | |
|  * text, icon, tooltip, etc), and attaches a callback so that the 
 | |
|  * action gets activated when the proxy widget does.
 | |
|  *
 | |
|  * If the widget is already connected to an action, it is disconnected
 | |
|  * first.
 | |
|  *
 | |
|  * Since: 2.4
 | |
|  */
 | |
| void
 | |
| gtk_action_connect_proxy (GtkAction *action,
 | |
| 			  GtkWidget *proxy)
 | |
| {
 | |
|   GtkAction *prev_action;
 | |
| 
 | |
|   g_return_if_fail (GTK_IS_ACTION (action));
 | |
|   g_return_if_fail (GTK_IS_WIDGET (proxy));
 | |
| 
 | |
|   prev_action = g_object_get_data (G_OBJECT (proxy), "gtk-action");
 | |
| 
 | |
|   if (prev_action)
 | |
|     (* GTK_ACTION_GET_CLASS (action)->disconnect_proxy) (prev_action, proxy);  
 | |
| 
 | |
|   (* GTK_ACTION_GET_CLASS (action)->connect_proxy) (action, proxy);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_action_disconnect_proxy:
 | |
|  * @action: the action object
 | |
|  * @proxy: the proxy widget
 | |
|  *
 | |
|  * Disconnects a proxy widget from an action.  
 | |
|  * Does <emphasis>not</emphasis> destroy the widget, however.
 | |
|  *
 | |
|  * Since: 2.4
 | |
|  */
 | |
| void
 | |
| gtk_action_disconnect_proxy (GtkAction *action,
 | |
| 			     GtkWidget *proxy)
 | |
| {
 | |
|   g_return_if_fail (GTK_IS_ACTION (action));
 | |
|   g_return_if_fail (GTK_IS_WIDGET (proxy));
 | |
| 
 | |
|   g_return_if_fail (g_object_get_data (G_OBJECT (proxy), "gtk-action") == action);
 | |
| 
 | |
|   (* GTK_ACTION_GET_CLASS (action)->disconnect_proxy) (action, proxy);  
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_action_get_proxies:
 | |
|  * @action: the action object
 | |
|  * 
 | |
|  * Returns the proxy widgets for an action.
 | |
|  * 
 | |
|  * Return value: a #GSList of proxy widgets. The list is owned by the action and
 | |
|  * must not be modified.
 | |
|  *
 | |
|  * Since: 2.4
 | |
|  **/
 | |
| GSList*
 | |
| gtk_action_get_proxies (GtkAction *action)
 | |
| {
 | |
|   g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
 | |
| 
 | |
|   return action->private_data->proxies;
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * gtk_action_get_name:
 | |
|  * @action: the action object
 | |
|  * 
 | |
|  * Returns the name of the action.
 | |
|  * 
 | |
|  * Return value: the name of the action. The string belongs to GTK+ and should not
 | |
|  *   be freed.
 | |
|  *
 | |
|  * Since: 2.4
 | |
|  **/
 | |
| const gchar *
 | |
| gtk_action_get_name (GtkAction *action)
 | |
| {
 | |
|   g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
 | |
| 
 | |
|   return action->private_data->name;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_action_is_sensitive:
 | |
|  * @action: the action object
 | |
|  * 
 | |
|  * Returns whether the action is effectively sensitive.
 | |
|  *
 | |
|  * Return value: %TRUE if the action and its associated action group 
 | |
|  * are both sensitive.
 | |
|  *
 | |
|  * Since: 2.4
 | |
|  **/
 | |
| gboolean
 | |
| gtk_action_is_sensitive (GtkAction *action)
 | |
| {
 | |
|   GtkActionPrivate *priv;
 | |
|   g_return_val_if_fail (GTK_IS_ACTION (action), FALSE);
 | |
| 
 | |
|   priv = action->private_data;
 | |
|   return priv->sensitive &&
 | |
|     (priv->action_group == NULL ||
 | |
|      gtk_action_group_get_sensitive (priv->action_group));
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_action_get_sensitive:
 | |
|  * @action: the action object
 | |
|  * 
 | |
|  * Returns whether the action itself is sensitive. Note that this doesn't 
 | |
|  * necessarily mean effective sensitivity. See gtk_action_is_sensitive() 
 | |
|  * for that.
 | |
|  *
 | |
|  * Return value: %TRUE if the action itself is sensitive.
 | |
|  *
 | |
|  * Since: 2.4
 | |
|  **/
 | |
| gboolean
 | |
| gtk_action_get_sensitive (GtkAction *action)
 | |
| {
 | |
|   g_return_val_if_fail (GTK_IS_ACTION (action), FALSE);
 | |
| 
 | |
|   return action->private_data->sensitive;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_action_is_visible:
 | |
|  * @action: the action object
 | |
|  * 
 | |
|  * Returns whether the action is effectively visible.
 | |
|  *
 | |
|  * Return value: %TRUE if the action and its associated action group 
 | |
|  * are both visible.
 | |
|  *
 | |
|  * Since: 2.4
 | |
|  **/
 | |
| gboolean
 | |
| gtk_action_is_visible (GtkAction *action)
 | |
| {
 | |
|   GtkActionPrivate *priv;
 | |
|   g_return_val_if_fail (GTK_IS_ACTION (action), FALSE);
 | |
| 
 | |
|   priv = action->private_data;
 | |
|   return priv->visible &&
 | |
|     (priv->action_group == NULL ||
 | |
|      gtk_action_group_get_visible (priv->action_group));
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_action_get_visible:
 | |
|  * @action: the action object
 | |
|  * 
 | |
|  * Returns whether the action itself is visible. Note that this doesn't 
 | |
|  * necessarily mean effective visibility. See gtk_action_is_sensitive() 
 | |
|  * for that.
 | |
|  *
 | |
|  * Return value: %TRUE if the action itself is visible.
 | |
|  *
 | |
|  * Since: 2.4
 | |
|  **/
 | |
| gboolean
 | |
| gtk_action_get_visible (GtkAction *action)
 | |
| {
 | |
|   g_return_val_if_fail (GTK_IS_ACTION (action), FALSE);
 | |
| 
 | |
|   return action->private_data->visible;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_action_block_activate_from:
 | |
|  * @action: the action object
 | |
|  * @proxy: a proxy widget
 | |
|  *
 | |
|  * Disables calls to the gtk_action_activate()
 | |
|  * function by signals on the given proxy widget.  This is used to
 | |
|  * break notification loops for things like check or radio actions.
 | |
|  *
 | |
|  * This function is intended for use by action implementations.
 | |
|  * 
 | |
|  * Since: 2.4
 | |
|  */
 | |
| void
 | |
| gtk_action_block_activate_from (GtkAction *action, 
 | |
| 				GtkWidget *proxy)
 | |
| {
 | |
|   g_return_if_fail (GTK_IS_ACTION (action));
 | |
|   
 | |
|   g_signal_handlers_block_by_func (proxy, G_CALLBACK (gtk_action_activate),
 | |
| 				   action);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_action_unblock_activate_from:
 | |
|  * @action: the action object
 | |
|  * @proxy: a proxy widget
 | |
|  *
 | |
|  * Re-enables calls to the gtk_action_activate()
 | |
|  * function by signals on the given proxy widget.  This undoes the
 | |
|  * blocking done by gtk_action_block_activate_from().
 | |
|  *
 | |
|  * This function is intended for use by action implementations.
 | |
|  * 
 | |
|  * Since: 2.4
 | |
|  */
 | |
| void
 | |
| gtk_action_unblock_activate_from (GtkAction *action, 
 | |
| 				  GtkWidget *proxy)
 | |
| {
 | |
|   g_return_if_fail (GTK_IS_ACTION (action));
 | |
| 
 | |
|   g_signal_handlers_unblock_by_func (proxy, G_CALLBACK (gtk_action_activate),
 | |
| 				     action);
 | |
| }
 | |
| 
 | |
| static void
 | |
| closure_accel_activate (GClosure     *closure,
 | |
|                         GValue       *return_value,
 | |
|                         guint         n_param_values,
 | |
|                         const GValue *param_values,
 | |
|                         gpointer      invocation_hint,
 | |
|                         gpointer      marshal_data)
 | |
| {
 | |
|   if (gtk_action_is_sensitive (GTK_ACTION (closure->data)))
 | |
|     _gtk_action_emit_activate (GTK_ACTION (closure->data));
 | |
| 
 | |
|   /* we handled the accelerator */
 | |
|   g_value_set_boolean (return_value, TRUE);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_action_set_action_group (GtkAction	    *action,
 | |
| 			     GtkActionGroup *action_group)
 | |
| {
 | |
|   g_return_if_fail (GTK_IS_ACTION (action));
 | |
| 
 | |
|   if (action->private_data->action_group == NULL)
 | |
|     g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
 | |
|   else
 | |
|     g_return_if_fail (action_group == NULL);
 | |
| 
 | |
|   action->private_data->action_group = action_group;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_action_set_accel_path:
 | |
|  * @action: the action object
 | |
|  * @accel_path: the accelerator path
 | |
|  *
 | |
|  * Sets the accel path for this action.  All proxy widgets associated
 | |
|  * with the action will have this accel path, so that their
 | |
|  * accelerators are consistent.
 | |
|  *
 | |
|  * Since: 2.4
 | |
|  */
 | |
| void
 | |
| gtk_action_set_accel_path (GtkAction   *action, 
 | |
| 			   const gchar *accel_path)
 | |
| {
 | |
|   g_return_if_fail (GTK_IS_ACTION (action));
 | |
| 
 | |
|   action->private_data->accel_quark = g_quark_from_string (accel_path);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_action_set_accel_group:
 | |
|  * @action: the action object
 | |
|  * @accel_group: a #GtkAccelGroup or %NULL
 | |
|  * 
 | |
|  * Sets the #GtkAccelGroup in which the accelerator for this action
 | |
|  * will be installed.
 | |
|  *
 | |
|  * Since: 2.4
 | |
|  **/
 | |
| void
 | |
| gtk_action_set_accel_group (GtkAction     *action,
 | |
| 			    GtkAccelGroup *accel_group)
 | |
| {
 | |
|   g_return_if_fail (GTK_IS_ACTION (action));
 | |
|   g_return_if_fail (accel_group == NULL || GTK_IS_ACCEL_GROUP (accel_group));
 | |
|   
 | |
|   if (accel_group)
 | |
|     g_object_ref (accel_group);
 | |
|   if (action->private_data->accel_group)
 | |
|     g_object_unref (action->private_data->accel_group);
 | |
| 
 | |
|   action->private_data->accel_group = accel_group;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_action_connect_accelerator:
 | |
|  * @action: a #GtkAction
 | |
|  * 
 | |
|  * Installs the accelerator for @action if @action has an
 | |
|  * accel path and group. See gtk_action_set_accel_path() and 
 | |
|  * gtk_action_set_accel_group()
 | |
|  *
 | |
|  * Since multiple proxies may independently trigger the installation
 | |
|  * of the accelerator, the @action counts the number of times this
 | |
|  * function has been called and doesn't remove the accelerator until
 | |
|  * gtk_action_disconnect_accelerator() has been called as many times.
 | |
|  *
 | |
|  * Since: 2.4
 | |
|  **/
 | |
| void 
 | |
| gtk_action_connect_accelerator (GtkAction *action)
 | |
| {
 | |
|   g_return_if_fail (GTK_IS_ACTION (action));
 | |
| 
 | |
|   if (!action->private_data->accel_quark ||
 | |
|       !action->private_data->accel_group)
 | |
|     return;
 | |
| 
 | |
|   if (action->private_data->accel_count == 0)
 | |
|     {
 | |
|       const gchar *accel_path = 
 | |
| 	g_quark_to_string (action->private_data->accel_quark);
 | |
|       
 | |
|       gtk_accel_group_connect_by_path (action->private_data->accel_group,
 | |
| 				       accel_path,
 | |
| 				       action->private_data->accel_closure);
 | |
|     }
 | |
| 
 | |
|   action->private_data->accel_count++;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_action_disconnect_accelerator:
 | |
|  * @action: a #GtkAction
 | |
|  * 
 | |
|  * Undoes the effect of one call to gtk_action_connect_accelerator().
 | |
|  *
 | |
|  * Since: 2.4
 | |
|  **/
 | |
| void 
 | |
| gtk_action_disconnect_accelerator (GtkAction *action)
 | |
| {
 | |
|   g_return_if_fail (GTK_IS_ACTION (action));
 | |
| 
 | |
|   if (!action->private_data->accel_quark ||
 | |
|       !action->private_data->accel_group)
 | |
|     return;
 | |
| 
 | |
|   action->private_data->accel_count--;
 | |
| 
 | |
|   if (action->private_data->accel_count == 0)
 | |
|     gtk_accel_group_disconnect (action->private_data->accel_group,
 | |
| 				action->private_data->accel_closure);
 | |
| }
 |