gtk2/modules/other/gail/gailarrow.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
* 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 "gailarrow.h"
static void gail_arrow_class_init (GailArrowClass *klass);
static void gail_arrow_init (GailArrow *arrow);
static void gail_arrow_initialize (AtkObject *accessible,
gpointer data);
/* AtkImage */
static void atk_image_interface_init (AtkImageIface *iface);
static G_CONST_RETURN gchar* gail_arrow_get_image_description
(AtkImage *obj);
static gboolean gail_arrow_set_image_description
(AtkImage *obj,
const gchar *description);
static void gail_arrow_finalize (GObject *object);
G_DEFINE_TYPE_WITH_CODE (GailArrow, gail_arrow, GAIL_TYPE_WIDGET,
G_IMPLEMENT_INTERFACE (ATK_TYPE_IMAGE, atk_image_interface_init))
static void
gail_arrow_class_init (GailArrowClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
AtkObjectClass *atk_object_class = ATK_OBJECT_CLASS (klass);
atk_object_class->initialize = gail_arrow_initialize;
gobject_class->finalize = gail_arrow_finalize;
}
static void
gail_arrow_init (GailArrow *arrow)
{
arrow->image_description = NULL;
}
static void
gail_arrow_initialize (AtkObject *accessible,
gpointer data)
{
ATK_OBJECT_CLASS (gail_arrow_parent_class)->initialize (accessible, data);
accessible->role = ATK_ROLE_ICON;
}
static void
atk_image_interface_init (AtkImageIface *iface)
{
iface->get_image_description = gail_arrow_get_image_description;
iface->set_image_description = gail_arrow_set_image_description;
}
static G_CONST_RETURN gchar*
gail_arrow_get_image_description (AtkImage *obj)
{
GailArrow* arrow;
g_return_val_if_fail(GAIL_IS_ARROW(obj), NULL);
arrow = GAIL_ARROW (obj);
return arrow->image_description;
}
static gboolean
gail_arrow_set_image_description (AtkImage *obj,
const gchar *description)
{
GailArrow* arrow;
g_return_val_if_fail(GAIL_IS_ARROW(obj), FALSE);
arrow = GAIL_ARROW (obj);
g_free (arrow->image_description);
arrow->image_description = g_strdup (description);
return TRUE;
}
/*
* static void
* gail_arrow_get_image_size (AtkImage *obj,
* gint *height,
* gint *width)
*
* We dont implement this function for GailArrow as gtk hardcodes the size
* of the arrow to be 7x5 and it is not possible to query this.
*/
static void
gail_arrow_finalize (GObject *object)
{
GailArrow *arrow = GAIL_ARROW (object);
g_free (arrow->image_description);
G_OBJECT_CLASS (gail_arrow_parent_class)->finalize (object);
}