153 lines
4.7 KiB
C
153 lines
4.7 KiB
C
/* GAIL - The GNOME Accessibility Enabling 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 "gtkimagecellaccessible.h"
|
|
|
|
static gchar *property_list[] = {
|
|
"pixbuf",
|
|
NULL
|
|
};
|
|
|
|
static void atk_image_interface_init (AtkImageIface *iface);
|
|
|
|
G_DEFINE_TYPE_WITH_CODE (GtkImageCellAccessible, _gtk_image_cell_accessible, GTK_TYPE_RENDERER_CELL_ACCESSIBLE,
|
|
G_IMPLEMENT_INTERFACE (ATK_TYPE_IMAGE, atk_image_interface_init))
|
|
|
|
static void
|
|
gtk_image_cell_accessible_finalize (GObject *object)
|
|
{
|
|
GtkImageCellAccessible *image_cell = GTK_IMAGE_CELL_ACCESSIBLE (object);
|
|
|
|
g_free (image_cell->image_description);
|
|
G_OBJECT_CLASS (_gtk_image_cell_accessible_parent_class)->finalize (object);
|
|
}
|
|
|
|
static gboolean
|
|
gtk_image_cell_accessible_update_cache (GtkRendererCellAccessible *cell,
|
|
gboolean emit_change_signal)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
_gtk_image_cell_accessible_class_init (GtkImageCellAccessibleClass *klass)
|
|
{
|
|
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
|
GtkRendererCellAccessibleClass *renderer_cell_class = GTK_RENDERER_CELL_ACCESSIBLE_CLASS (klass);
|
|
|
|
gobject_class->finalize = gtk_image_cell_accessible_finalize;
|
|
|
|
renderer_cell_class->update_cache = gtk_image_cell_accessible_update_cache;
|
|
renderer_cell_class->property_list = property_list;
|
|
}
|
|
|
|
AtkObject *
|
|
_gtk_image_cell_accessible_new (void)
|
|
{
|
|
GObject *object;
|
|
AtkObject *atk_object;
|
|
GtkRendererCellAccessible *cell;
|
|
|
|
object = g_object_new (GTK_TYPE_IMAGE_CELL_ACCESSIBLE, NULL);
|
|
|
|
g_return_val_if_fail (object != NULL, NULL);
|
|
|
|
atk_object = ATK_OBJECT (object);
|
|
atk_object->role = ATK_ROLE_TABLE_CELL;
|
|
|
|
cell = GTK_RENDERER_CELL_ACCESSIBLE (object);
|
|
|
|
cell->renderer = gtk_cell_renderer_pixbuf_new ();
|
|
g_object_ref_sink (cell->renderer);
|
|
|
|
return atk_object;
|
|
}
|
|
|
|
static void
|
|
_gtk_image_cell_accessible_init (GtkImageCellAccessible *image_cell)
|
|
{
|
|
image_cell->image_description = NULL;
|
|
}
|
|
|
|
static const gchar *
|
|
gtk_image_cell_accessible_get_image_description (AtkImage *image)
|
|
{
|
|
GtkImageCellAccessible *image_cell = GTK_IMAGE_CELL_ACCESSIBLE (image);
|
|
|
|
return image_cell->image_description;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_image_cell_accessible_set_image_description (AtkImage *image,
|
|
const gchar *description)
|
|
{
|
|
GtkImageCellAccessible *image_cell = GTK_IMAGE_CELL_ACCESSIBLE (image);
|
|
|
|
g_free (image_cell->image_description);
|
|
image_cell->image_description = g_strdup (description);
|
|
|
|
if (image_cell->image_description)
|
|
return TRUE;
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gtk_image_cell_accessible_get_image_position (AtkImage *image,
|
|
gint *x,
|
|
gint *y,
|
|
AtkCoordType coord_type)
|
|
{
|
|
atk_component_get_position (ATK_COMPONENT (image), x, y, coord_type);
|
|
}
|
|
|
|
static void
|
|
gtk_image_cell_accessible_get_image_size (AtkImage *image,
|
|
gint *width,
|
|
gint *height)
|
|
{
|
|
GtkImageCellAccessible *cell = GTK_IMAGE_CELL_ACCESSIBLE (image);
|
|
GtkCellRenderer *cell_renderer;
|
|
GdkPixbuf *pixbuf = NULL;
|
|
|
|
cell_renderer = GTK_RENDERER_CELL_ACCESSIBLE (cell)->renderer;
|
|
g_object_get (GTK_CELL_RENDERER_PIXBUF (cell_renderer),
|
|
"pixbuf", &pixbuf,
|
|
NULL);
|
|
|
|
if (pixbuf)
|
|
{
|
|
*width = gdk_pixbuf_get_width (pixbuf);
|
|
*height = gdk_pixbuf_get_height (pixbuf);
|
|
g_object_unref (pixbuf);
|
|
}
|
|
}
|
|
|
|
static void
|
|
atk_image_interface_init (AtkImageIface *iface)
|
|
{
|
|
iface->get_image_description = gtk_image_cell_accessible_get_image_description;
|
|
iface->set_image_description = gtk_image_cell_accessible_set_image_description;
|
|
iface->get_image_position = gtk_image_cell_accessible_get_image_position;
|
|
iface->get_image_size = gtk_image_cell_accessible_get_image_size;
|
|
}
|