gtk2/modules/other/gail/gailpixmap.c
2010-11-18 17:47:43 +01:00

159 lines
4.8 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"
#undef GTK_DISABLE_DEPRECATED
#include <gtk/gtk.h>
#include "gailpixmap.h"
static void gail_pixmap_class_init (GailPixmapClass *klass);
static void gail_pixmap_init (GailPixmap *pixmap);
static void gail_pixmap_initialize (AtkObject *accessible,
gpointer data);
/* AtkImage */
static void atk_image_interface_init (AtkImageIface *iface);
static G_CONST_RETURN gchar* gail_pixmap_get_image_description
(AtkImage *obj);
static void gail_pixmap_get_image_position
(AtkImage *obj,
gint *x,
gint *y,
AtkCoordType coord_type);
static void gail_pixmap_get_image_size (AtkImage *obj,
gint *width,
gint *height);
static gboolean gail_pixmap_set_image_description
(AtkImage *obj,
const gchar *description);
static void gail_pixmap_finalize (GObject *object);
G_DEFINE_TYPE_WITH_CODE (GailPixmap, gail_pixmap, GAIL_TYPE_WIDGET,
G_IMPLEMENT_INTERFACE (ATK_TYPE_IMAGE, atk_image_interface_init))
static void
gail_pixmap_class_init (GailPixmapClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
AtkObjectClass *atk_object_class = ATK_OBJECT_CLASS (klass);
atk_object_class->initialize = gail_pixmap_initialize;
gobject_class->finalize = gail_pixmap_finalize;
}
static void
gail_pixmap_init (GailPixmap *pixmap)
{
pixmap->image_description = NULL;
}
static void
gail_pixmap_initialize (AtkObject *accessible,
gpointer data)
{
ATK_OBJECT_CLASS (gail_pixmap_parent_class)->initialize (accessible, data);
accessible->role = ATK_ROLE_ICON;
}
static void
atk_image_interface_init (AtkImageIface *iface)
{
iface->get_image_description = gail_pixmap_get_image_description;
iface->get_image_position = gail_pixmap_get_image_position;
iface->get_image_size = gail_pixmap_get_image_size;
iface->set_image_description = gail_pixmap_set_image_description;
}
static G_CONST_RETURN gchar*
gail_pixmap_get_image_description (AtkImage *obj)
{
GailPixmap* pixmap;
g_return_val_if_fail (GAIL_IS_PIXMAP (obj), NULL);
pixmap = GAIL_PIXMAP (obj);
return pixmap->image_description;
}
static void
gail_pixmap_get_image_position (AtkImage *obj,
gint *x,
gint *y,
AtkCoordType coord_type)
{
atk_component_get_position (ATK_COMPONENT (obj), x, y, coord_type);
}
static void
gail_pixmap_get_image_size (AtkImage *obj,
gint *width,
gint *height)
{
GtkWidget *widget;
GtkPixmap *pixmap;
*width = -1;
*height = -1;
g_return_if_fail (GAIL_IS_PIXMAP (obj));
widget = GTK_ACCESSIBLE (obj)->widget;
if (widget == 0)
/* State is defunct */
return;
g_return_if_fail (GTK_IS_PIXMAP (widget));
pixmap = GTK_PIXMAP (widget);
if (pixmap->pixmap)
gdk_pixmap_get_size (pixmap->pixmap, width, height);
}
static gboolean
gail_pixmap_set_image_description (AtkImage *obj,
const gchar *description)
{
GailPixmap* pixmap;
g_return_val_if_fail (GAIL_IS_PIXMAP (obj), FALSE);
pixmap = GAIL_PIXMAP (obj);
g_free (pixmap->image_description);
pixmap->image_description = g_strdup (description);
return TRUE;
}
static void
gail_pixmap_finalize (GObject *object)
{
GailPixmap *pixmap = GAIL_PIXMAP (object);
g_free (pixmap->image_description);
G_OBJECT_CLASS (gail_pixmap_parent_class)->finalize (object);
}