gtk/modules/other/gail/gailmenu.c
2010-08-22 18:32:43 +02:00

127 lines
3.5 KiB
C

/* GAIL - The GNOME Accessibility Implementation Library
* Copyright 2001, 2002, 2003 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 "gailmenu.h"
static void gail_menu_class_init (GailMenuClass *klass);
static void gail_menu_init (GailMenu *accessible);
static void gail_menu_real_initialize (AtkObject *obj,
gpointer data);
static AtkObject* gail_menu_get_parent (AtkObject *accessible);
static gint gail_menu_get_index_in_parent (AtkObject *accessible);
G_DEFINE_TYPE (GailMenu, gail_menu, GAIL_TYPE_MENU_SHELL)
static void
gail_menu_class_init (GailMenuClass *klass)
{
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
class->get_parent = gail_menu_get_parent;
class->get_index_in_parent = gail_menu_get_index_in_parent;
class->initialize = gail_menu_real_initialize;
}
static void
gail_menu_init (GailMenu *accessible)
{
}
static void
gail_menu_real_initialize (AtkObject *obj,
gpointer data)
{
ATK_OBJECT_CLASS (gail_menu_parent_class)->initialize (obj, data);
obj->role = ATK_ROLE_MENU;
g_object_set_data (G_OBJECT (obj), "atk-component-layer",
GINT_TO_POINTER (ATK_LAYER_POPUP));
}
static AtkObject*
gail_menu_get_parent (AtkObject *accessible)
{
AtkObject *parent;
parent = accessible->accessible_parent;
if (parent != NULL)
{
g_return_val_if_fail (ATK_IS_OBJECT (parent), NULL);
}
else
{
GtkWidget *widget, *parent_widget;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
if (widget == NULL)
{
/*
* State is defunct
*/
return NULL;
}
g_return_val_if_fail (GTK_IS_MENU (widget), NULL);
/*
* If the menu is attached to a menu item or a button (Gnome Menu)
* report the menu item as parent.
*/
parent_widget = gtk_menu_get_attach_widget (GTK_MENU (widget));
if (!GTK_IS_MENU_ITEM (parent_widget) && !GTK_IS_BUTTON (parent_widget) && !GTK_IS_COMBO_BOX (parent_widget))
parent_widget = gtk_widget_get_parent (widget);
if (parent_widget == NULL)
return NULL;
parent = gtk_widget_get_accessible (parent_widget);
atk_object_set_parent (accessible, parent);
}
return parent;
}
static gint
gail_menu_get_index_in_parent (AtkObject *accessible)
{
GtkWidget *widget;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
if (widget == NULL)
{
/*
* State is defunct
*/
return -1;
}
g_return_val_if_fail (GTK_IS_MENU (widget), -1);
if (gtk_menu_get_attach_widget (GTK_MENU (widget)))
{
return 0;
}
return ATK_OBJECT_CLASS (gail_menu_parent_class)->get_index_in_parent (accessible);
}