gtk2/gtk/a11y/gtkscrollbaraccessible.c

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/* GAIL - The GNOME Accessibility Implementation Library
* Copyright 2001 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
2012-02-27 13:01:10 +00:00
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "gtkscrollbaraccessible.h"
G_DEFINE_TYPE (GtkScrollbarAccessible, _gtk_scrollbar_accessible, GTK_TYPE_RANGE_ACCESSIBLE)
static void
_gtk_scrollbar_accessible_init (GtkScrollbarAccessible *accessible)
{
}
static void
gtk_scrollbar_accessible_initialize (AtkObject *accessible,
gpointer data)
{
ATK_OBJECT_CLASS (_gtk_scrollbar_accessible_parent_class)->initialize (accessible, data);
accessible->role = ATK_ROLE_SCROLL_BAR;
}
static gint
gtk_scrollbar_accessible_get_index_in_parent (AtkObject *accessible)
{
GtkWidget *widget;
GtkWidget *parent;
GtkWidget *child;
GtkScrolledWindow *scrolled_window;
gint id;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
if (widget == NULL)
return -1;
parent = gtk_widget_get_parent (widget);
if (!GTK_IS_SCROLLED_WINDOW (parent))
return ATK_OBJECT_CLASS (_gtk_scrollbar_accessible_parent_class)->get_index_in_parent (accessible);
scrolled_window = GTK_SCROLLED_WINDOW (parent);
id = 0;
child = gtk_bin_get_child (GTK_BIN (scrolled_window));
if (child)
{
if (widget == child)
return id;
id++;
}
child = gtk_scrolled_window_get_hscrollbar (scrolled_window);
if (child)
{
if (widget == child)
return id;
id++;
}
child = gtk_scrolled_window_get_vscrollbar (scrolled_window);
if (child)
{
if (widget == child)
return id;
}
return -1;
}
static void
_gtk_scrollbar_accessible_class_init (GtkScrollbarAccessibleClass *klass)
{
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
class->initialize = gtk_scrollbar_accessible_initialize;
class->get_index_in_parent = gtk_scrollbar_accessible_get_index_in_parent;
}