gtk2/gtk/a11y/gtkimagecellaccessible.c

124 lines
3.9 KiB
C
Raw Normal View History

/* GTK+ - accessibility implementations
* 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
2012-02-27 13:01:10 +00:00
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "gtkimagecellaccessible.h"
struct _GtkImageCellAccessiblePrivate
{
gchar *image_description;
};
static void atk_image_interface_init (AtkImageIface *iface);
G_DEFINE_TYPE_WITH_CODE (GtkImageCellAccessible, gtk_image_cell_accessible, GTK_TYPE_RENDERER_CELL_ACCESSIBLE,
G_ADD_PRIVATE (GtkImageCellAccessible)
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->priv->image_description);
G_OBJECT_CLASS (gtk_image_cell_accessible_parent_class)->finalize (object);
}
static void
gtk_image_cell_accessible_class_init (GtkImageCellAccessibleClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->finalize = gtk_image_cell_accessible_finalize;
}
static void
gtk_image_cell_accessible_init (GtkImageCellAccessible *image_cell)
{
image_cell->priv = gtk_image_cell_accessible_get_instance_private (image_cell);
}
static const gchar *
gtk_image_cell_accessible_get_image_description (AtkImage *image)
{
GtkImageCellAccessible *image_cell = GTK_IMAGE_CELL_ACCESSIBLE (image);
return image_cell->priv->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->priv->image_description);
image_cell->priv->image_description = g_strdup (description);
if (image_cell->priv->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_extents (ATK_COMPONENT (image), x, y, NULL, NULL,
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;
*width = 0;
*height = 0;
g_object_get (cell, "renderer", &cell_renderer, NULL);
g_object_get (cell_renderer,
"pixbuf", &pixbuf,
NULL);
g_object_unref (cell_renderer);
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;
}