118 lines
3.6 KiB
C
118 lines
3.6 KiB
C
/* GTK+ - accessibility implementations
|
|
* Copyright 2002 Sun Microsystems Inc.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <gtk/gtk.h>
|
|
#include "gtkradiomenuitemaccessible.h"
|
|
|
|
struct _GtkRadioMenuItemAccessiblePrivate
|
|
{
|
|
GSList *old_group;
|
|
};
|
|
|
|
G_DEFINE_TYPE_WITH_PRIVATE (GtkRadioMenuItemAccessible,
|
|
gtk_radio_menu_item_accessible,
|
|
GTK_TYPE_CHECK_MENU_ITEM_ACCESSIBLE)
|
|
|
|
|
|
static AtkRelationSet *
|
|
gtk_radio_menu_item_accessible_ref_relation_set (AtkObject *obj)
|
|
{
|
|
GtkWidget *widget;
|
|
AtkRelationSet *relation_set;
|
|
GSList *list;
|
|
GtkRadioMenuItemAccessible *radio_menu_item;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
|
|
if (widget == NULL)
|
|
return NULL;
|
|
|
|
radio_menu_item = GTK_RADIO_MENU_ITEM_ACCESSIBLE (obj);
|
|
|
|
relation_set = ATK_OBJECT_CLASS (gtk_radio_menu_item_accessible_parent_class)->ref_relation_set (obj);
|
|
|
|
/* If the radio menu_item's group has changed remove the relation */
|
|
list = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (widget));
|
|
|
|
if (radio_menu_item->priv->old_group != list)
|
|
{
|
|
AtkRelation *relation;
|
|
|
|
relation = atk_relation_set_get_relation_by_type (relation_set, ATK_RELATION_MEMBER_OF);
|
|
atk_relation_set_remove (relation_set, relation);
|
|
}
|
|
|
|
if (!atk_relation_set_contains (relation_set, ATK_RELATION_MEMBER_OF))
|
|
{
|
|
/* Get the members of the menu_item group */
|
|
radio_menu_item->priv->old_group = list;
|
|
if (list)
|
|
{
|
|
AtkObject **accessible_array;
|
|
guint list_length;
|
|
AtkRelation* relation;
|
|
gint i = 0;
|
|
|
|
list_length = g_slist_length (list);
|
|
accessible_array = g_new (AtkObject *, list_length);
|
|
while (list != NULL)
|
|
{
|
|
GtkWidget* list_item = list->data;
|
|
|
|
accessible_array[i++] = gtk_widget_get_accessible (list_item);
|
|
|
|
list = list->next;
|
|
}
|
|
relation = atk_relation_new (accessible_array, list_length,
|
|
ATK_RELATION_MEMBER_OF);
|
|
g_free (accessible_array);
|
|
|
|
atk_relation_set_add (relation_set, relation);
|
|
|
|
/* Unref the relation so that it is not leaked */
|
|
g_object_unref (relation);
|
|
}
|
|
}
|
|
|
|
return relation_set;
|
|
}
|
|
|
|
static void
|
|
gtk_radio_menu_item_accessible_initialize (AtkObject *obj,
|
|
gpointer data)
|
|
{
|
|
ATK_OBJECT_CLASS (gtk_radio_menu_item_accessible_parent_class)->initialize (obj, data);
|
|
|
|
obj->role = ATK_ROLE_RADIO_MENU_ITEM;
|
|
}
|
|
|
|
static void
|
|
gtk_radio_menu_item_accessible_class_init (GtkRadioMenuItemAccessibleClass *klass)
|
|
{
|
|
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
|
|
|
|
class->ref_relation_set = gtk_radio_menu_item_accessible_ref_relation_set;
|
|
class->initialize = gtk_radio_menu_item_accessible_initialize;
|
|
}
|
|
|
|
static void
|
|
gtk_radio_menu_item_accessible_init (GtkRadioMenuItemAccessible *radio_menu_item)
|
|
{
|
|
radio_menu_item->priv = gtk_radio_menu_item_accessible_get_instance_private (radio_menu_item);
|
|
}
|