2011-11-30 14:33:03 +00:00
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/*
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* Copyright © 2011 Canonical Limited
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the licence, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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2012-02-27 13:01:10 +00:00
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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2011-11-30 14:33:03 +00:00
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*
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* Author: Ryan Lortie <desrt@desrt.ca>
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*/
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#include "config.h"
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2013-05-09 18:15:51 +00:00
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#include "gtkactionmuxer.h"
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2011-11-30 14:33:03 +00:00
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2013-05-09 18:15:51 +00:00
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#include "gtkactionobservable.h"
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#include "gtkactionobserver.h"
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2011-11-30 14:33:03 +00:00
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#include <string.h>
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2013-05-09 19:28:57 +00:00
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/**
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2013-05-09 18:15:51 +00:00
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* SECTION:gtkactionmuxer
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2011-11-30 14:33:03 +00:00
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* @short_description: Aggregate and monitor several action groups
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*
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2013-05-09 18:15:51 +00:00
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* #GtkActionMuxer is a #GActionGroup and #GtkActionObservable that is
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2011-11-30 14:33:03 +00:00
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* capable of containing other #GActionGroup instances.
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*
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2011-12-16 03:20:42 +00:00
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* The typical use is aggregating all of the actions applicable to a
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2011-11-30 14:33:03 +00:00
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* particular context into a single action group, with namespacing.
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*
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* Consider the case of two action groups -- one containing actions
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* applicable to an entire application (such as 'quit') and one
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* containing actions applicable to a particular window in the
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* application (such as 'fullscreen').
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*
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* In this case, each of these action groups could be added to a
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2013-05-09 18:15:51 +00:00
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* #GtkActionMuxer with the prefixes "app" and "win", respectively. This
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2011-11-30 14:33:03 +00:00
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* would expose the actions as "app.quit" and "win.fullscreen" on the
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2013-05-09 18:15:51 +00:00
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* #GActionGroup interface presented by the #GtkActionMuxer.
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2011-11-30 14:33:03 +00:00
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*
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2013-05-09 18:15:51 +00:00
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* Activations and state change requests on the #GtkActionMuxer are wired
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2011-11-30 14:33:03 +00:00
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* through to the underlying action group in the expected way.
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*
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* This class is typically only used at the site of "consumption" of
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* actions (eg: when displaying a menu that contains many actions on
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* different objects).
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2011-12-01 11:30:10 +00:00
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*/
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2011-11-30 14:33:03 +00:00
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2013-05-09 18:15:51 +00:00
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static void gtk_action_muxer_group_iface_init (GActionGroupInterface *iface);
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static void gtk_action_muxer_observable_iface_init (GtkActionObservableInterface *iface);
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2011-11-30 14:33:03 +00:00
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2013-05-09 18:15:51 +00:00
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typedef GObjectClass GtkActionMuxerClass;
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2011-11-30 14:33:03 +00:00
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2013-05-09 18:15:51 +00:00
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struct _GtkActionMuxer
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2011-11-30 14:33:03 +00:00
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{
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GObject parent_instance;
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2012-08-17 17:16:51 +00:00
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GHashTable *observed_actions;
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2011-11-30 14:33:03 +00:00
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GHashTable *groups;
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2013-05-09 18:15:51 +00:00
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GtkActionMuxer *parent;
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2011-11-30 14:33:03 +00:00
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};
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2013-05-09 18:15:51 +00:00
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G_DEFINE_TYPE_WITH_CODE (GtkActionMuxer, gtk_action_muxer, G_TYPE_OBJECT,
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G_IMPLEMENT_INTERFACE (G_TYPE_ACTION_GROUP, gtk_action_muxer_group_iface_init)
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G_IMPLEMENT_INTERFACE (GTK_TYPE_ACTION_OBSERVABLE, gtk_action_muxer_observable_iface_init))
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2011-11-30 14:33:03 +00:00
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2012-08-17 17:16:51 +00:00
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enum
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{
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PROP_0,
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PROP_PARENT,
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NUM_PROPERTIES
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};
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static GParamSpec *properties[NUM_PROPERTIES];
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2011-11-30 14:33:03 +00:00
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typedef struct
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{
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2013-05-09 18:15:51 +00:00
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GtkActionMuxer *muxer;
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2011-11-30 14:33:03 +00:00
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GSList *watchers;
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gchar *fullname;
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} Action;
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typedef struct
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{
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2013-05-09 18:15:51 +00:00
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GtkActionMuxer *muxer;
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2011-11-30 14:33:03 +00:00
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GActionGroup *group;
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gchar *prefix;
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gulong handler_ids[4];
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} Group;
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2012-08-17 17:16:51 +00:00
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static void
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2013-05-09 18:15:51 +00:00
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gtk_action_muxer_append_group_actions (gpointer key,
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gpointer value,
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gpointer user_data)
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2012-08-17 17:16:51 +00:00
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{
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const gchar *prefix = key;
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Group *group = value;
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GArray *actions = user_data;
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gchar **group_actions;
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gchar **action;
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group_actions = g_action_group_list_actions (group->group);
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for (action = group_actions; *action; action++)
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{
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gchar *fullname;
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fullname = g_strconcat (prefix, ".", *action, NULL);
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g_array_append_val (actions, fullname);
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}
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g_strfreev (group_actions);
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}
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2011-11-30 14:33:03 +00:00
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static gchar **
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2013-05-09 18:15:51 +00:00
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gtk_action_muxer_list_actions (GActionGroup *action_group)
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2011-11-30 14:33:03 +00:00
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{
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2013-05-09 18:15:51 +00:00
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GtkActionMuxer *muxer = GTK_ACTION_MUXER (action_group);
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2012-08-17 17:16:51 +00:00
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GArray *actions;
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2011-11-30 14:33:03 +00:00
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2012-08-17 17:16:51 +00:00
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actions = g_array_new (TRUE, FALSE, sizeof (gchar *));
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2012-03-30 18:05:46 +00:00
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2012-08-17 17:16:51 +00:00
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for ( ; muxer != NULL; muxer = muxer->parent)
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{
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g_hash_table_foreach (muxer->groups,
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2013-05-09 18:15:51 +00:00
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gtk_action_muxer_append_group_actions,
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2012-08-17 17:16:51 +00:00
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actions);
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}
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2012-03-30 18:05:46 +00:00
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2012-08-17 17:16:51 +00:00
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return (gchar **) g_array_free (actions, FALSE);
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2011-11-30 14:33:03 +00:00
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}
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static Group *
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2013-05-09 18:15:51 +00:00
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gtk_action_muxer_find_group (GtkActionMuxer *muxer,
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const gchar *full_name,
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const gchar **action_name)
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2011-11-30 14:33:03 +00:00
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{
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const gchar *dot;
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gchar *prefix;
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Group *group;
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2012-08-17 17:16:51 +00:00
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dot = strchr (full_name, '.');
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2011-11-30 14:33:03 +00:00
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if (!dot)
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return NULL;
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2012-08-17 17:16:51 +00:00
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prefix = g_strndup (full_name, dot - full_name);
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2011-11-30 14:33:03 +00:00
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group = g_hash_table_lookup (muxer->groups, prefix);
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g_free (prefix);
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2012-08-17 17:16:51 +00:00
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if (action_name)
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*action_name = dot + 1;
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2011-11-30 14:33:03 +00:00
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return group;
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}
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2012-08-17 17:16:51 +00:00
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static void
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2013-05-09 18:15:51 +00:00
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gtk_action_muxer_action_enabled_changed (GtkActionMuxer *muxer,
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const gchar *action_name,
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gboolean enabled)
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2011-11-30 14:33:03 +00:00
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{
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Action *action;
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2012-08-17 17:16:51 +00:00
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GSList *node;
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2011-11-30 14:33:03 +00:00
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2012-08-17 17:16:51 +00:00
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action = g_hash_table_lookup (muxer->observed_actions, action_name);
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for (node = action ? action->watchers : NULL; node; node = node->next)
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2013-05-09 18:15:51 +00:00
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gtk_action_observer_action_enabled_changed (node->data, GTK_ACTION_OBSERVABLE (muxer), action_name, enabled);
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2012-08-17 17:16:51 +00:00
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g_action_group_action_enabled_changed (G_ACTION_GROUP (muxer), action_name, enabled);
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2011-11-30 14:33:03 +00:00
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}
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static void
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2013-05-09 18:15:51 +00:00
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gtk_action_muxer_group_action_enabled_changed (GActionGroup *action_group,
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const gchar *action_name,
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gboolean enabled,
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gpointer user_data)
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2011-11-30 14:33:03 +00:00
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{
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Group *group = user_data;
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gchar *fullname;
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2012-08-17 17:16:51 +00:00
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fullname = g_strconcat (group->prefix, ".", action_name, NULL);
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2013-05-09 18:15:51 +00:00
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gtk_action_muxer_action_enabled_changed (group->muxer, fullname, enabled);
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2012-08-17 17:16:51 +00:00
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2011-11-30 14:33:03 +00:00
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g_free (fullname);
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}
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static void
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2013-05-09 18:15:51 +00:00
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gtk_action_muxer_parent_action_enabled_changed (GActionGroup *action_group,
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const gchar *action_name,
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gboolean enabled,
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gpointer user_data)
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2012-08-17 17:16:51 +00:00
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{
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2013-05-09 18:15:51 +00:00
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GtkActionMuxer *muxer = user_data;
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2012-08-17 17:16:51 +00:00
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2013-05-09 18:15:51 +00:00
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gtk_action_muxer_action_enabled_changed (muxer, action_name, enabled);
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2012-08-17 17:16:51 +00:00
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}
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static void
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2013-05-09 18:15:51 +00:00
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gtk_action_muxer_action_state_changed (GtkActionMuxer *muxer,
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const gchar *action_name,
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GVariant *state)
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2011-11-30 14:33:03 +00:00
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{
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Action *action;
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GSList *node;
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2012-08-17 17:16:51 +00:00
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action = g_hash_table_lookup (muxer->observed_actions, action_name);
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2011-11-30 14:33:03 +00:00
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for (node = action ? action->watchers : NULL; node; node = node->next)
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2013-05-09 18:15:51 +00:00
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gtk_action_observer_action_state_changed (node->data, GTK_ACTION_OBSERVABLE (muxer), action_name, state);
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2012-08-17 17:16:51 +00:00
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g_action_group_action_state_changed (G_ACTION_GROUP (muxer), action_name, state);
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}
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static void
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2013-05-09 18:15:51 +00:00
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gtk_action_muxer_group_action_state_changed (GActionGroup *action_group,
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const gchar *action_name,
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GVariant *state,
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gpointer user_data)
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2012-08-17 17:16:51 +00:00
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{
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Group *group = user_data;
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gchar *fullname;
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fullname = g_strconcat (group->prefix, ".", action_name, NULL);
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2013-05-09 18:15:51 +00:00
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gtk_action_muxer_action_state_changed (group->muxer, fullname, state);
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2012-08-17 17:16:51 +00:00
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2011-11-30 14:33:03 +00:00
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g_free (fullname);
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}
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static void
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2013-05-09 18:15:51 +00:00
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gtk_action_muxer_parent_action_state_changed (GActionGroup *action_group,
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const gchar *action_name,
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GVariant *state,
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gpointer user_data)
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2012-08-17 17:16:51 +00:00
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{
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2013-05-09 18:15:51 +00:00
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GtkActionMuxer *muxer = user_data;
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2012-08-17 17:16:51 +00:00
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2013-05-09 18:15:51 +00:00
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gtk_action_muxer_action_state_changed (muxer, action_name, state);
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2012-08-17 17:16:51 +00:00
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}
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static void
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2013-05-09 18:15:51 +00:00
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gtk_action_muxer_action_added (GtkActionMuxer *muxer,
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const gchar *action_name,
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GActionGroup *original_group,
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const gchar *orignal_action_name)
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2011-11-30 14:33:03 +00:00
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{
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const GVariantType *parameter_type;
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gboolean enabled;
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GVariant *state;
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2012-08-17 17:16:51 +00:00
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Action *action;
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2011-11-30 14:33:03 +00:00
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2012-08-17 17:16:51 +00:00
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action = g_hash_table_lookup (muxer->observed_actions, action_name);
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if (action && action->watchers &&
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g_action_group_query_action (original_group, orignal_action_name,
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&enabled, ¶meter_type, NULL, NULL, &state))
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2011-11-30 14:33:03 +00:00
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{
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GSList *node;
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2012-08-17 17:16:51 +00:00
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for (node = action->watchers; node; node = node->next)
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2013-05-09 18:15:51 +00:00
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gtk_action_observer_action_added (node->data,
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GTK_ACTION_OBSERVABLE (muxer),
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2012-08-17 17:16:51 +00:00
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action_name, parameter_type, enabled, state);
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2011-11-30 14:33:03 +00:00
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if (state)
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g_variant_unref (state);
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}
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2012-08-17 17:16:51 +00:00
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g_action_group_action_added (G_ACTION_GROUP (muxer), action_name);
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2011-11-30 14:33:03 +00:00
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}
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static void
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2013-05-09 18:15:51 +00:00
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gtk_action_muxer_action_added_to_group (GActionGroup *action_group,
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const gchar *action_name,
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gpointer user_data)
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2011-11-30 14:33:03 +00:00
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{
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Group *group = user_data;
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gchar *fullname;
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2012-08-17 17:16:51 +00:00
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fullname = g_strconcat (group->prefix, ".", action_name, NULL);
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2013-05-09 18:15:51 +00:00
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gtk_action_muxer_action_added (group->muxer, fullname, action_group, action_name);
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2012-08-17 17:16:51 +00:00
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g_free (fullname);
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}
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static void
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2013-05-09 18:15:51 +00:00
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gtk_action_muxer_action_added_to_parent (GActionGroup *action_group,
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const gchar *action_name,
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|
gpointer user_data)
|
2012-08-17 17:16:51 +00:00
|
|
|
{
|
2013-05-09 18:15:51 +00:00
|
|
|
GtkActionMuxer *muxer = user_data;
|
2012-08-17 17:16:51 +00:00
|
|
|
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_action_added (muxer, action_name, action_group, action_name);
|
2012-08-17 17:16:51 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_action_removed (GtkActionMuxer *muxer,
|
|
|
|
const gchar *action_name)
|
2012-08-17 17:16:51 +00:00
|
|
|
{
|
2011-11-30 14:33:03 +00:00
|
|
|
Action *action;
|
|
|
|
GSList *node;
|
|
|
|
|
2012-08-17 17:16:51 +00:00
|
|
|
action = g_hash_table_lookup (muxer->observed_actions, action_name);
|
2011-11-30 14:33:03 +00:00
|
|
|
for (node = action ? action->watchers : NULL; node; node = node->next)
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_observer_action_removed (node->data, GTK_ACTION_OBSERVABLE (muxer), action_name);
|
2012-08-17 17:16:51 +00:00
|
|
|
g_action_group_action_removed (G_ACTION_GROUP (muxer), action_name);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_action_removed_from_group (GActionGroup *action_group,
|
|
|
|
const gchar *action_name,
|
|
|
|
gpointer user_data)
|
2012-08-17 17:16:51 +00:00
|
|
|
{
|
|
|
|
Group *group = user_data;
|
|
|
|
gchar *fullname;
|
|
|
|
|
|
|
|
fullname = g_strconcat (group->prefix, ".", action_name, NULL);
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_action_removed (group->muxer, fullname);
|
2012-08-17 17:16:51 +00:00
|
|
|
|
2011-11-30 14:33:03 +00:00
|
|
|
g_free (fullname);
|
|
|
|
}
|
|
|
|
|
2012-08-17 17:16:51 +00:00
|
|
|
static void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_action_removed_from_parent (GActionGroup *action_group,
|
|
|
|
const gchar *action_name,
|
|
|
|
gpointer user_data)
|
2012-08-17 17:16:51 +00:00
|
|
|
{
|
2013-05-09 18:15:51 +00:00
|
|
|
GtkActionMuxer *muxer = user_data;
|
2012-08-17 17:16:51 +00:00
|
|
|
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_action_removed (muxer, action_name);
|
2012-08-17 17:16:51 +00:00
|
|
|
}
|
|
|
|
|
2011-11-30 14:33:03 +00:00
|
|
|
static gboolean
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_query_action (GActionGroup *action_group,
|
|
|
|
const gchar *action_name,
|
|
|
|
gboolean *enabled,
|
|
|
|
const GVariantType **parameter_type,
|
|
|
|
const GVariantType **state_type,
|
|
|
|
GVariant **state_hint,
|
|
|
|
GVariant **state)
|
|
|
|
{
|
|
|
|
GtkActionMuxer *muxer = GTK_ACTION_MUXER (action_group);
|
2011-11-30 14:33:03 +00:00
|
|
|
Group *group;
|
2012-08-17 17:16:51 +00:00
|
|
|
const gchar *unprefixed_name;
|
2011-11-30 14:33:03 +00:00
|
|
|
|
2013-05-09 18:15:51 +00:00
|
|
|
group = gtk_action_muxer_find_group (muxer, action_name, &unprefixed_name);
|
2011-11-30 14:33:03 +00:00
|
|
|
|
2012-08-17 17:16:51 +00:00
|
|
|
if (group)
|
|
|
|
return g_action_group_query_action (group->group, unprefixed_name, enabled,
|
|
|
|
parameter_type, state_type, state_hint, state);
|
2011-11-30 14:33:03 +00:00
|
|
|
|
2012-08-17 17:16:51 +00:00
|
|
|
if (muxer->parent)
|
|
|
|
return g_action_group_query_action (G_ACTION_GROUP (muxer->parent), action_name,
|
|
|
|
enabled, parameter_type,
|
|
|
|
state_type, state_hint, state);
|
|
|
|
|
|
|
|
return FALSE;
|
2011-11-30 14:33:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_activate_action (GActionGroup *action_group,
|
|
|
|
const gchar *action_name,
|
|
|
|
GVariant *parameter)
|
2011-11-30 14:33:03 +00:00
|
|
|
{
|
2013-05-09 18:15:51 +00:00
|
|
|
GtkActionMuxer *muxer = GTK_ACTION_MUXER (action_group);
|
2011-11-30 14:33:03 +00:00
|
|
|
Group *group;
|
2012-08-17 17:16:51 +00:00
|
|
|
const gchar *unprefixed_name;
|
2011-11-30 14:33:03 +00:00
|
|
|
|
2013-05-09 18:15:51 +00:00
|
|
|
group = gtk_action_muxer_find_group (muxer, action_name, &unprefixed_name);
|
2011-11-30 14:33:03 +00:00
|
|
|
|
|
|
|
if (group)
|
2012-08-17 17:16:51 +00:00
|
|
|
g_action_group_activate_action (group->group, unprefixed_name, parameter);
|
|
|
|
else if (muxer->parent)
|
|
|
|
g_action_group_activate_action (G_ACTION_GROUP (muxer->parent), action_name, parameter);
|
2011-11-30 14:33:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_change_action_state (GActionGroup *action_group,
|
|
|
|
const gchar *action_name,
|
|
|
|
GVariant *state)
|
2011-11-30 14:33:03 +00:00
|
|
|
{
|
2013-05-09 18:15:51 +00:00
|
|
|
GtkActionMuxer *muxer = GTK_ACTION_MUXER (action_group);
|
2011-11-30 14:33:03 +00:00
|
|
|
Group *group;
|
2012-08-17 17:16:51 +00:00
|
|
|
const gchar *unprefixed_name;
|
2011-11-30 14:33:03 +00:00
|
|
|
|
2013-05-09 18:15:51 +00:00
|
|
|
group = gtk_action_muxer_find_group (muxer, action_name, &unprefixed_name);
|
2011-11-30 14:33:03 +00:00
|
|
|
|
|
|
|
if (group)
|
2012-08-17 17:16:51 +00:00
|
|
|
g_action_group_change_action_state (group->group, unprefixed_name, state);
|
|
|
|
else if (muxer->parent)
|
|
|
|
g_action_group_change_action_state (G_ACTION_GROUP (muxer->parent), action_name, state);
|
2011-11-30 14:33:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_unregister_internal (Action *action,
|
|
|
|
gpointer observer)
|
2011-11-30 14:33:03 +00:00
|
|
|
{
|
2013-05-09 18:15:51 +00:00
|
|
|
GtkActionMuxer *muxer = action->muxer;
|
2011-11-30 14:33:03 +00:00
|
|
|
GSList **ptr;
|
|
|
|
|
|
|
|
for (ptr = &action->watchers; *ptr; ptr = &(*ptr)->next)
|
|
|
|
if ((*ptr)->data == observer)
|
|
|
|
{
|
|
|
|
*ptr = g_slist_remove (*ptr, observer);
|
|
|
|
|
|
|
|
if (action->watchers == NULL)
|
2012-08-17 17:16:51 +00:00
|
|
|
g_hash_table_remove (muxer->observed_actions, action->fullname);
|
2011-11-30 14:33:03 +00:00
|
|
|
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_weak_notify (gpointer data,
|
|
|
|
GObject *where_the_object_was)
|
2011-11-30 14:33:03 +00:00
|
|
|
{
|
|
|
|
Action *action = data;
|
|
|
|
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_unregister_internal (action, where_the_object_was);
|
2011-11-30 14:33:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_register_observer (GtkActionObservable *observable,
|
|
|
|
const gchar *name,
|
|
|
|
GtkActionObserver *observer)
|
2011-11-30 14:33:03 +00:00
|
|
|
{
|
2013-05-09 18:15:51 +00:00
|
|
|
GtkActionMuxer *muxer = GTK_ACTION_MUXER (observable);
|
2011-11-30 14:33:03 +00:00
|
|
|
Action *action;
|
|
|
|
|
2012-08-17 17:16:51 +00:00
|
|
|
action = g_hash_table_lookup (muxer->observed_actions, name);
|
2011-11-30 14:33:03 +00:00
|
|
|
|
|
|
|
if (action == NULL)
|
|
|
|
{
|
|
|
|
action = g_slice_new (Action);
|
2012-08-17 17:16:51 +00:00
|
|
|
action->muxer = muxer;
|
2011-11-30 14:33:03 +00:00
|
|
|
action->fullname = g_strdup (name);
|
|
|
|
action->watchers = NULL;
|
|
|
|
|
2012-08-17 17:16:51 +00:00
|
|
|
g_hash_table_insert (muxer->observed_actions, action->fullname, action);
|
2011-11-30 14:33:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
action->watchers = g_slist_prepend (action->watchers, observer);
|
2013-05-09 18:15:51 +00:00
|
|
|
g_object_weak_ref (G_OBJECT (observer), gtk_action_muxer_weak_notify, action);
|
2011-11-30 14:33:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_unregister_observer (GtkActionObservable *observable,
|
|
|
|
const gchar *name,
|
|
|
|
GtkActionObserver *observer)
|
2011-11-30 14:33:03 +00:00
|
|
|
{
|
2013-05-09 18:15:51 +00:00
|
|
|
GtkActionMuxer *muxer = GTK_ACTION_MUXER (observable);
|
2011-11-30 14:33:03 +00:00
|
|
|
Action *action;
|
|
|
|
|
2012-08-17 17:16:51 +00:00
|
|
|
action = g_hash_table_lookup (muxer->observed_actions, name);
|
2013-05-09 18:15:51 +00:00
|
|
|
g_object_weak_unref (G_OBJECT (observer), gtk_action_muxer_weak_notify, action);
|
|
|
|
gtk_action_muxer_unregister_internal (action, observer);
|
2011-11-30 14:33:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_free_group (gpointer data)
|
2011-11-30 14:33:03 +00:00
|
|
|
{
|
|
|
|
Group *group = data;
|
2012-06-29 03:55:33 +00:00
|
|
|
gint i;
|
|
|
|
|
|
|
|
/* 'for loop' or 'four loop'? */
|
|
|
|
for (i = 0; i < 4; i++)
|
|
|
|
g_signal_handler_disconnect (group->group, group->handler_ids[i]);
|
2011-11-30 14:33:03 +00:00
|
|
|
|
|
|
|
g_object_unref (group->group);
|
|
|
|
g_free (group->prefix);
|
|
|
|
|
|
|
|
g_slice_free (Group, group);
|
|
|
|
}
|
|
|
|
|
2012-08-17 17:16:51 +00:00
|
|
|
static void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_free_action (gpointer data)
|
2012-08-17 17:16:51 +00:00
|
|
|
{
|
|
|
|
Action *action = data;
|
|
|
|
GSList *it;
|
|
|
|
|
|
|
|
for (it = action->watchers; it; it = it->next)
|
2013-05-09 18:15:51 +00:00
|
|
|
g_object_weak_unref (G_OBJECT (it->data), gtk_action_muxer_weak_notify, action);
|
2012-08-17 17:16:51 +00:00
|
|
|
|
|
|
|
g_slist_free (action->watchers);
|
|
|
|
g_free (action->fullname);
|
|
|
|
|
|
|
|
g_slice_free (Action, action);
|
|
|
|
}
|
|
|
|
|
2011-11-30 14:33:03 +00:00
|
|
|
static void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_finalize (GObject *object)
|
2011-11-30 14:33:03 +00:00
|
|
|
{
|
2013-05-09 18:15:51 +00:00
|
|
|
GtkActionMuxer *muxer = GTK_ACTION_MUXER (object);
|
2011-11-30 14:33:03 +00:00
|
|
|
|
2012-08-17 17:16:51 +00:00
|
|
|
g_assert_cmpint (g_hash_table_size (muxer->observed_actions), ==, 0);
|
|
|
|
g_hash_table_unref (muxer->observed_actions);
|
2011-11-30 14:33:03 +00:00
|
|
|
g_hash_table_unref (muxer->groups);
|
|
|
|
|
2013-05-09 18:15:51 +00:00
|
|
|
G_OBJECT_CLASS (gtk_action_muxer_parent_class)
|
2011-11-30 14:33:03 +00:00
|
|
|
->finalize (object);
|
|
|
|
}
|
|
|
|
|
2012-08-17 17:16:51 +00:00
|
|
|
static void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_dispose (GObject *object)
|
2012-08-17 17:16:51 +00:00
|
|
|
{
|
2013-05-09 18:15:51 +00:00
|
|
|
GtkActionMuxer *muxer = GTK_ACTION_MUXER (object);
|
2012-08-17 17:16:51 +00:00
|
|
|
|
|
|
|
if (muxer->parent)
|
|
|
|
{
|
2013-05-09 18:15:51 +00:00
|
|
|
g_signal_handlers_disconnect_by_func (muxer->parent, gtk_action_muxer_action_added_to_parent, muxer);
|
|
|
|
g_signal_handlers_disconnect_by_func (muxer->parent, gtk_action_muxer_action_removed_from_parent, muxer);
|
|
|
|
g_signal_handlers_disconnect_by_func (muxer->parent, gtk_action_muxer_parent_action_enabled_changed, muxer);
|
|
|
|
g_signal_handlers_disconnect_by_func (muxer->parent, gtk_action_muxer_parent_action_state_changed, muxer);
|
2012-08-17 17:16:51 +00:00
|
|
|
|
|
|
|
g_clear_object (&muxer->parent);
|
|
|
|
}
|
|
|
|
|
|
|
|
g_hash_table_remove_all (muxer->observed_actions);
|
|
|
|
|
2013-05-09 18:15:51 +00:00
|
|
|
G_OBJECT_CLASS (gtk_action_muxer_parent_class)
|
2012-08-17 17:16:51 +00:00
|
|
|
->dispose (object);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_get_property (GObject *object,
|
|
|
|
guint property_id,
|
|
|
|
GValue *value,
|
|
|
|
GParamSpec *pspec)
|
2012-08-17 17:16:51 +00:00
|
|
|
{
|
2013-05-09 18:15:51 +00:00
|
|
|
GtkActionMuxer *muxer = GTK_ACTION_MUXER (object);
|
2012-08-17 17:16:51 +00:00
|
|
|
|
|
|
|
switch (property_id)
|
|
|
|
{
|
|
|
|
case PROP_PARENT:
|
2013-05-09 18:15:51 +00:00
|
|
|
g_value_set_object (value, gtk_action_muxer_get_parent (muxer));
|
2012-08-17 17:16:51 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_set_property (GObject *object,
|
|
|
|
guint property_id,
|
|
|
|
const GValue *value,
|
|
|
|
GParamSpec *pspec)
|
2012-08-17 17:16:51 +00:00
|
|
|
{
|
2013-05-09 18:15:51 +00:00
|
|
|
GtkActionMuxer *muxer = GTK_ACTION_MUXER (object);
|
2012-08-17 17:16:51 +00:00
|
|
|
|
|
|
|
switch (property_id)
|
|
|
|
{
|
|
|
|
case PROP_PARENT:
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_set_parent (muxer, g_value_get_object (value));
|
2012-08-17 17:16:51 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-11-30 14:33:03 +00:00
|
|
|
static void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_init (GtkActionMuxer *muxer)
|
2011-11-30 14:33:03 +00:00
|
|
|
{
|
2013-05-09 18:15:51 +00:00
|
|
|
muxer->observed_actions = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, gtk_action_muxer_free_action);
|
|
|
|
muxer->groups = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, gtk_action_muxer_free_group);
|
2011-11-30 14:33:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_observable_iface_init (GtkActionObservableInterface *iface)
|
2011-11-30 14:33:03 +00:00
|
|
|
{
|
2013-05-09 18:15:51 +00:00
|
|
|
iface->register_observer = gtk_action_muxer_register_observer;
|
|
|
|
iface->unregister_observer = gtk_action_muxer_unregister_observer;
|
2011-11-30 14:33:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_group_iface_init (GActionGroupInterface *iface)
|
2011-11-30 14:33:03 +00:00
|
|
|
{
|
2013-05-09 18:15:51 +00:00
|
|
|
iface->list_actions = gtk_action_muxer_list_actions;
|
|
|
|
iface->query_action = gtk_action_muxer_query_action;
|
|
|
|
iface->activate_action = gtk_action_muxer_activate_action;
|
|
|
|
iface->change_action_state = gtk_action_muxer_change_action_state;
|
2011-11-30 14:33:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_class_init (GObjectClass *class)
|
2011-11-30 14:33:03 +00:00
|
|
|
{
|
2013-05-09 18:15:51 +00:00
|
|
|
class->get_property = gtk_action_muxer_get_property;
|
|
|
|
class->set_property = gtk_action_muxer_set_property;
|
|
|
|
class->finalize = gtk_action_muxer_finalize;
|
|
|
|
class->dispose = gtk_action_muxer_dispose;
|
2012-08-17 17:16:51 +00:00
|
|
|
|
|
|
|
properties[PROP_PARENT] = g_param_spec_object ("parent", "Parent",
|
|
|
|
"The parent muxer",
|
2013-05-09 18:15:51 +00:00
|
|
|
GTK_TYPE_ACTION_MUXER,
|
2012-08-17 17:16:51 +00:00
|
|
|
G_PARAM_READWRITE |
|
|
|
|
G_PARAM_STATIC_STRINGS);
|
|
|
|
|
|
|
|
g_object_class_install_properties (class, NUM_PROPERTIES, properties);
|
2011-11-30 14:33:03 +00:00
|
|
|
}
|
|
|
|
|
2013-05-09 19:28:57 +00:00
|
|
|
/**
|
2013-05-09 18:15:51 +00:00
|
|
|
* gtk_action_muxer_insert:
|
|
|
|
* @muxer: a #GtkActionMuxer
|
2011-11-30 14:33:03 +00:00
|
|
|
* @prefix: the prefix string for the action group
|
|
|
|
* @action_group: a #GActionGroup
|
|
|
|
*
|
|
|
|
* Adds the actions in @action_group to the list of actions provided by
|
|
|
|
* @muxer. @prefix is prefixed to each action name, such that for each
|
|
|
|
* action <varname>x</varname> in @action_group, there is an equivalent
|
|
|
|
* action @prefix<literal>.</literal><varname>x</varname> in @muxer.
|
|
|
|
*
|
|
|
|
* For example, if @prefix is "<literal>app</literal>" and @action_group
|
|
|
|
* contains an action called "<literal>quit</literal>", then @muxer will
|
|
|
|
* now contain an action called "<literal>app.quit</literal>".
|
|
|
|
*
|
2013-05-09 18:15:51 +00:00
|
|
|
* If any #GtkActionObservers are registered for actions in the group,
|
2011-11-30 14:33:03 +00:00
|
|
|
* "action_added" notifications will be emitted, as appropriate.
|
|
|
|
*
|
|
|
|
* @prefix must not contain a dot ('.').
|
2011-12-01 11:30:10 +00:00
|
|
|
*/
|
2011-11-30 14:33:03 +00:00
|
|
|
void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_insert (GtkActionMuxer *muxer,
|
|
|
|
const gchar *prefix,
|
|
|
|
GActionGroup *action_group)
|
2011-11-30 14:33:03 +00:00
|
|
|
{
|
|
|
|
gchar **actions;
|
|
|
|
Group *group;
|
|
|
|
gint i;
|
|
|
|
|
|
|
|
/* TODO: diff instead of ripout and replace */
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_remove (muxer, prefix);
|
2011-11-30 14:33:03 +00:00
|
|
|
|
|
|
|
group = g_slice_new (Group);
|
|
|
|
group->muxer = muxer;
|
|
|
|
group->group = g_object_ref (action_group);
|
|
|
|
group->prefix = g_strdup (prefix);
|
|
|
|
|
|
|
|
g_hash_table_insert (muxer->groups, group->prefix, group);
|
|
|
|
|
|
|
|
actions = g_action_group_list_actions (group->group);
|
|
|
|
for (i = 0; actions[i]; i++)
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_action_added_to_group (group->group, actions[i], group);
|
2011-11-30 14:33:03 +00:00
|
|
|
g_strfreev (actions);
|
|
|
|
|
|
|
|
group->handler_ids[0] = g_signal_connect (group->group, "action-added",
|
2013-05-09 18:15:51 +00:00
|
|
|
G_CALLBACK (gtk_action_muxer_action_added_to_group), group);
|
2011-11-30 14:33:03 +00:00
|
|
|
group->handler_ids[1] = g_signal_connect (group->group, "action-removed",
|
2013-05-09 18:15:51 +00:00
|
|
|
G_CALLBACK (gtk_action_muxer_action_removed_from_group), group);
|
2011-11-30 14:33:03 +00:00
|
|
|
group->handler_ids[2] = g_signal_connect (group->group, "action-enabled-changed",
|
2013-05-09 18:15:51 +00:00
|
|
|
G_CALLBACK (gtk_action_muxer_group_action_enabled_changed), group);
|
2011-11-30 14:33:03 +00:00
|
|
|
group->handler_ids[3] = g_signal_connect (group->group, "action-state-changed",
|
2013-05-09 18:15:51 +00:00
|
|
|
G_CALLBACK (gtk_action_muxer_group_action_state_changed), group);
|
2011-11-30 14:33:03 +00:00
|
|
|
}
|
|
|
|
|
2013-05-09 19:28:57 +00:00
|
|
|
/**
|
2013-05-09 18:15:51 +00:00
|
|
|
* gtk_action_muxer_remove:
|
|
|
|
* @muxer: a #GtkActionMuxer
|
2011-11-30 14:33:03 +00:00
|
|
|
* @prefix: the prefix of the action group to remove
|
|
|
|
*
|
2013-05-09 18:15:51 +00:00
|
|
|
* Removes a #GActionGroup from the #GtkActionMuxer.
|
2011-11-30 14:33:03 +00:00
|
|
|
*
|
2013-05-09 18:15:51 +00:00
|
|
|
* If any #GtkActionObservers are registered for actions in the group,
|
2011-11-30 14:33:03 +00:00
|
|
|
* "action_removed" notifications will be emitted, as appropriate.
|
2011-12-01 11:30:10 +00:00
|
|
|
*/
|
2011-11-30 14:33:03 +00:00
|
|
|
void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_remove (GtkActionMuxer *muxer,
|
|
|
|
const gchar *prefix)
|
2011-11-30 14:33:03 +00:00
|
|
|
{
|
|
|
|
Group *group;
|
|
|
|
|
|
|
|
group = g_hash_table_lookup (muxer->groups, prefix);
|
|
|
|
|
|
|
|
if (group != NULL)
|
|
|
|
{
|
|
|
|
gchar **actions;
|
|
|
|
gint i;
|
|
|
|
|
|
|
|
g_hash_table_steal (muxer->groups, prefix);
|
|
|
|
|
|
|
|
actions = g_action_group_list_actions (group->group);
|
|
|
|
for (i = 0; actions[i]; i++)
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_action_removed_from_group (group->group, actions[i], group);
|
2011-11-30 14:33:03 +00:00
|
|
|
g_strfreev (actions);
|
|
|
|
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_free_group (group);
|
2011-11-30 14:33:03 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-05-09 19:28:57 +00:00
|
|
|
/**
|
2013-05-09 18:15:51 +00:00
|
|
|
* gtk_action_muxer_new:
|
2011-11-30 14:33:03 +00:00
|
|
|
*
|
2013-05-09 18:15:51 +00:00
|
|
|
* Creates a new #GtkActionMuxer.
|
2011-12-01 11:30:10 +00:00
|
|
|
*/
|
2013-05-09 18:15:51 +00:00
|
|
|
GtkActionMuxer *
|
|
|
|
gtk_action_muxer_new (void)
|
2011-11-30 14:33:03 +00:00
|
|
|
{
|
2013-05-09 18:15:51 +00:00
|
|
|
return g_object_new (GTK_TYPE_ACTION_MUXER, NULL);
|
2011-11-30 14:33:03 +00:00
|
|
|
}
|
2012-08-17 17:16:51 +00:00
|
|
|
|
2013-05-09 19:28:57 +00:00
|
|
|
/**
|
|
|
|
* gtk_action_muxer_get_parent:
|
2013-05-09 18:15:51 +00:00
|
|
|
* @muxer: a #GtkActionMuxer
|
2012-08-17 17:16:51 +00:00
|
|
|
*
|
2013-05-09 19:28:57 +00:00
|
|
|
* Returns: (transfer none): the parent of @muxer, or NULL.
|
2012-08-17 17:16:51 +00:00
|
|
|
*/
|
2013-05-09 18:15:51 +00:00
|
|
|
GtkActionMuxer *
|
|
|
|
gtk_action_muxer_get_parent (GtkActionMuxer *muxer)
|
2012-08-17 17:16:51 +00:00
|
|
|
{
|
2013-05-09 18:15:51 +00:00
|
|
|
g_return_val_if_fail (GTK_IS_ACTION_MUXER (muxer), NULL);
|
2012-08-17 17:16:51 +00:00
|
|
|
|
|
|
|
return muxer->parent;
|
|
|
|
}
|
|
|
|
|
2013-05-09 19:28:57 +00:00
|
|
|
/**
|
|
|
|
* gtk_action_muxer_set_parent:
|
2013-05-09 18:15:51 +00:00
|
|
|
* @muxer: a #GtkActionMuxer
|
|
|
|
* @parent: (allow-none): the new parent #GtkActionMuxer
|
2012-08-17 17:16:51 +00:00
|
|
|
*
|
|
|
|
* Sets the parent of @muxer to @parent.
|
|
|
|
*/
|
|
|
|
void
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_set_parent (GtkActionMuxer *muxer,
|
|
|
|
GtkActionMuxer *parent)
|
2012-08-17 17:16:51 +00:00
|
|
|
{
|
2013-05-09 18:15:51 +00:00
|
|
|
g_return_if_fail (GTK_IS_ACTION_MUXER (muxer));
|
|
|
|
g_return_if_fail (parent == NULL || GTK_IS_ACTION_MUXER (parent));
|
2012-08-17 17:16:51 +00:00
|
|
|
|
|
|
|
if (muxer->parent == parent)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (muxer->parent != NULL)
|
|
|
|
{
|
|
|
|
gchar **actions;
|
|
|
|
gchar **it;
|
|
|
|
|
|
|
|
actions = g_action_group_list_actions (G_ACTION_GROUP (muxer->parent));
|
|
|
|
for (it = actions; *it; it++)
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_action_removed (muxer, *it);
|
2012-08-17 17:16:51 +00:00
|
|
|
g_strfreev (actions);
|
|
|
|
|
2013-05-09 18:15:51 +00:00
|
|
|
g_signal_handlers_disconnect_by_func (muxer->parent, gtk_action_muxer_action_added_to_parent, muxer);
|
|
|
|
g_signal_handlers_disconnect_by_func (muxer->parent, gtk_action_muxer_action_removed_from_parent, muxer);
|
|
|
|
g_signal_handlers_disconnect_by_func (muxer->parent, gtk_action_muxer_parent_action_enabled_changed, muxer);
|
|
|
|
g_signal_handlers_disconnect_by_func (muxer->parent, gtk_action_muxer_parent_action_state_changed, muxer);
|
2012-08-17 17:16:51 +00:00
|
|
|
|
|
|
|
g_object_unref (muxer->parent);
|
|
|
|
}
|
|
|
|
|
|
|
|
muxer->parent = parent;
|
|
|
|
|
|
|
|
if (muxer->parent != NULL)
|
|
|
|
{
|
|
|
|
gchar **actions;
|
|
|
|
gchar **it;
|
|
|
|
|
|
|
|
g_object_ref (muxer->parent);
|
|
|
|
|
|
|
|
actions = g_action_group_list_actions (G_ACTION_GROUP (muxer->parent));
|
|
|
|
for (it = actions; *it; it++)
|
2013-05-09 18:15:51 +00:00
|
|
|
gtk_action_muxer_action_added (muxer, *it, G_ACTION_GROUP (muxer->parent), *it);
|
2012-08-17 17:16:51 +00:00
|
|
|
g_strfreev (actions);
|
|
|
|
|
|
|
|
g_signal_connect (muxer->parent, "action-added",
|
2013-05-09 18:15:51 +00:00
|
|
|
G_CALLBACK (gtk_action_muxer_action_added_to_parent), muxer);
|
2012-08-17 17:16:51 +00:00
|
|
|
g_signal_connect (muxer->parent, "action-removed",
|
2013-05-09 18:15:51 +00:00
|
|
|
G_CALLBACK (gtk_action_muxer_action_removed_from_parent), muxer);
|
2012-08-17 17:16:51 +00:00
|
|
|
g_signal_connect (muxer->parent, "action-enabled-changed",
|
2013-05-09 18:15:51 +00:00
|
|
|
G_CALLBACK (gtk_action_muxer_parent_action_enabled_changed), muxer);
|
2012-08-17 17:16:51 +00:00
|
|
|
g_signal_connect (muxer->parent, "action-state-changed",
|
2013-05-09 18:15:51 +00:00
|
|
|
G_CALLBACK (gtk_action_muxer_parent_action_state_changed), muxer);
|
2012-08-17 17:16:51 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
g_object_notify_by_pspec (G_OBJECT (muxer), properties[PROP_PARENT]);
|
|
|
|
}
|