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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
* 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;
GtkScrolledWindow *scrolled_window;
gint n_children;
GList *children;
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);
children = gtk_container_get_children (GTK_CONTAINER (scrolled_window));
n_children = g_list_length (children);
g_list_free (children);
if (GTK_IS_HSCROLLBAR (widget))
{
if (!scrolled_window->hscrollbar_visible)
{
n_children = -1;
}
}
else if (GTK_IS_VSCROLLBAR (widget))
{
if (!scrolled_window->vscrollbar_visible)
{
n_children = -1;
}
else if (scrolled_window->hscrollbar_visible)
{
n_children++;
}
}
else
{
n_children = -1;
}
return n_children;
}
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