mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-19 09:50:06 +00:00
136 lines
3.9 KiB
C
136 lines
3.9 KiB
C
/* GAIL - The GNOME Accessibility Implementation Library
|
|
* 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, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include <gtk/gtk.h>
|
|
#include "gailradiosubmenuitem.h"
|
|
|
|
static void gail_radio_sub_menu_item_class_init (GailRadioSubMenuItemClass *klass);
|
|
static void gail_radio_sub_menu_item_init (GailRadioSubMenuItem *radio_menu_item);
|
|
|
|
static AtkRelationSet* gail_radio_sub_menu_item_ref_relation_set (AtkObject *obj);
|
|
|
|
G_DEFINE_TYPE (GailRadioSubMenuItem, gail_radio_sub_menu_item, GAIL_TYPE_CHECK_SUB_MENU_ITEM)
|
|
|
|
static void
|
|
gail_radio_sub_menu_item_class_init (GailRadioSubMenuItemClass *klass)
|
|
{
|
|
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
|
|
|
|
class->ref_relation_set = gail_radio_sub_menu_item_ref_relation_set;
|
|
}
|
|
|
|
AtkObject*
|
|
gail_radio_sub_menu_item_new (GtkWidget *widget)
|
|
{
|
|
GObject *object;
|
|
AtkObject *accessible;
|
|
|
|
g_return_val_if_fail (GTK_IS_RADIO_MENU_ITEM (widget), NULL);
|
|
|
|
object = g_object_new (GAIL_TYPE_RADIO_SUB_MENU_ITEM, NULL);
|
|
|
|
accessible = ATK_OBJECT (object);
|
|
atk_object_initialize (accessible, widget);
|
|
|
|
accessible->role = ATK_ROLE_RADIO_MENU_ITEM;
|
|
return accessible;
|
|
}
|
|
|
|
static void
|
|
gail_radio_sub_menu_item_init (GailRadioSubMenuItem *radio_menu_item)
|
|
{
|
|
radio_menu_item->old_group = NULL;
|
|
}
|
|
|
|
AtkRelationSet*
|
|
gail_radio_sub_menu_item_ref_relation_set (AtkObject *obj)
|
|
{
|
|
GtkWidget *widget;
|
|
AtkRelationSet *relation_set;
|
|
GSList *list;
|
|
GailRadioSubMenuItem *radio_menu_item;
|
|
|
|
g_return_val_if_fail (GAIL_IS_RADIO_SUB_MENU_ITEM (obj), NULL);
|
|
|
|
widget = GTK_ACCESSIBLE (obj)->widget;
|
|
if (widget == NULL)
|
|
{
|
|
/*
|
|
* State is defunct
|
|
*/
|
|
return NULL;
|
|
}
|
|
radio_menu_item = GAIL_RADIO_SUB_MENU_ITEM (obj);
|
|
|
|
relation_set = ATK_OBJECT_CLASS (gail_radio_sub_menu_item_parent_class)->ref_relation_set (obj);
|
|
|
|
/*
|
|
* If the radio menu_item'group has changed remove the relation
|
|
*/
|
|
list = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (widget));
|
|
|
|
if (radio_menu_item->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->old_group = list;
|
|
if (list)
|
|
{
|
|
AtkObject **accessible_array;
|
|
guint list_length;
|
|
AtkRelation* relation;
|
|
gint i = 0;
|
|
|
|
list_length = g_slist_length (list);
|
|
accessible_array = (AtkObject**) g_malloc (sizeof (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;
|
|
}
|