gtk/modules/other/gail/gailscrollbar.c
Christian Persch a8e6ee33b1 Integrate gail into gtk+. Bug #169488.
* configure.in:
	* docs/reference/Makefile.am:
	* docs/reference/libgail-util/*:
	* gail-uninstalled.pc.in:
	* gail.pc.in:
	* modules/Makefile.am:
	* modules/other/Makefile.am:
	* modules/other/gail/*:
	* modules/other/gail/libgail-util/*:
	* po/POTFILES.skip: Integrate gail into gtk+. Bug #169488.

svn path=/trunk/; revision=19196
2007-12-18 13:51:12 +00:00

135 lines
3.4 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 <gtk/gtk.h>
#include "gailscrollbar.h"
static void gail_scrollbar_class_init (GailScrollbarClass *klass);
static gint gail_scrollbar_get_index_in_parent (AtkObject *accessible);
static GailRangeClass *parent_class = NULL;
GType
gail_scrollbar_get_type (void)
{
static GType type = 0;
if (!type)
{
static const GTypeInfo tinfo =
{
sizeof (GailScrollbarClass),
(GBaseInitFunc) NULL, /* base init */
(GBaseFinalizeFunc) NULL, /* base finalize */
(GClassInitFunc) gail_scrollbar_class_init, /* class init */
(GClassFinalizeFunc) NULL, /* class finalize */
NULL, /* class data */
sizeof (GailScrollbar), /* instance size */
0, /* nb preallocs */
(GInstanceInitFunc) NULL, /* instance init */
NULL /* value table */
};
type = g_type_register_static (GAIL_TYPE_RANGE,
"GailScrollbar", &tinfo, 0);
}
return type;
}
static void
gail_scrollbar_class_init (GailScrollbarClass *klass)
{
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
class->get_index_in_parent = gail_scrollbar_get_index_in_parent;
parent_class = g_type_class_peek_parent (klass);
}
AtkObject*
gail_scrollbar_new (GtkWidget *widget)
{
GObject *object;
AtkObject *accessible;
g_return_val_if_fail (GTK_IS_SCROLLBAR (widget), NULL);
object = g_object_new (GAIL_TYPE_SCROLLBAR, NULL);
accessible = ATK_OBJECT (object);
atk_object_initialize (accessible, widget);
accessible->role = ATK_ROLE_SCROLL_BAR;
return accessible;
}
static gint
gail_scrollbar_get_index_in_parent (AtkObject *accessible)
{
GtkWidget *widget;
GtkScrolledWindow *scrolled_window;
gint n_children;
GList *children;
widget = GTK_ACCESSIBLE (accessible)->widget;
if (widget == NULL)
{
/*
* State is defunct
*/
return -1;
}
g_return_val_if_fail (GTK_IS_SCROLLBAR (widget), -1);
if (!GTK_IS_SCROLLED_WINDOW(widget->parent))
return ATK_OBJECT_CLASS (parent_class)->get_index_in_parent (accessible);
scrolled_window = GTK_SCROLLED_WINDOW (widget->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;
}