gtk2/gtk/a11y/gailscrollbar.c
2011-07-05 16:07:56 -04:00

107 lines
2.9 KiB
C

/* 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
* 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 "gailscrollbar.h"
static void gail_scrollbar_class_init (GailScrollbarClass *klass);
static void gail_scrollbar_init (GailScrollbar *accessible);
static void gail_scrollbar_initialize (AtkObject *accessible,
gpointer data);
static gint gail_scrollbar_get_index_in_parent (AtkObject *accessible);
G_DEFINE_TYPE (GailScrollbar, gail_scrollbar, GAIL_TYPE_RANGE)
static void
gail_scrollbar_class_init (GailScrollbarClass *klass)
{
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
class->initialize = gail_scrollbar_initialize;
class->get_index_in_parent = gail_scrollbar_get_index_in_parent;
}
static void
gail_scrollbar_init (GailScrollbar *accessible)
{
}
static void
gail_scrollbar_initialize (AtkObject *accessible,
gpointer data)
{
ATK_OBJECT_CLASS (gail_scrollbar_parent_class)->initialize (accessible, data);
accessible->role = ATK_ROLE_SCROLL_BAR;
}
static gint
gail_scrollbar_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)
{
/*
* State is defunct
*/
return -1;
}
g_return_val_if_fail (GTK_IS_SCROLLBAR (widget), -1);
parent = gtk_widget_get_parent (widget);
if (!GTK_IS_SCROLLED_WINDOW (parent))
return ATK_OBJECT_CLASS (gail_scrollbar_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;
}