gtk/modules/other/gail/gailimagecell.c

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/* 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 "gailimagecell.h"
static void gail_image_cell_class_init (GailImageCellClass *klass);
static void gail_image_cell_init (GailImageCell *image_cell);
static void gail_image_cell_finalize (GObject *object);
/* AtkImage */
static void atk_image_interface_init (AtkImageIface *iface);
static G_CONST_RETURN gchar *
gail_image_cell_get_image_description (AtkImage *image);
static gboolean gail_image_cell_set_image_description (AtkImage *image,
const gchar *description);
static void gail_image_cell_get_image_position (AtkImage *image,
gint *x,
gint *y,
AtkCoordType coord_type);
static void gail_image_cell_get_image_size (AtkImage *image,
gint *width,
gint *height);
/* Misc */
static gboolean gail_image_cell_update_cache (GailRendererCell *cell,
gboolean emit_change_signal);
// FIXMEchpe static!!!
gchar *gail_image_cell_property_list[] = {
"pixbuf",
NULL
};
G_DEFINE_TYPE_WITH_CODE (GailImageCell, gail_image_cell, GAIL_TYPE_RENDERER_CELL,
G_IMPLEMENT_INTERFACE (ATK_TYPE_IMAGE, atk_image_interface_init))
static void
gail_image_cell_class_init (GailImageCellClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GailRendererCellClass *renderer_cell_class = GAIL_RENDERER_CELL_CLASS(klass);
gobject_class->finalize = gail_image_cell_finalize;
renderer_cell_class->update_cache = gail_image_cell_update_cache;
renderer_cell_class->property_list = gail_image_cell_property_list;
}
AtkObject*
gail_image_cell_new (void)
{
GObject *object;
AtkObject *atk_object;
GailRendererCell *cell;
object = g_object_new (GAIL_TYPE_IMAGE_CELL, NULL);
g_return_val_if_fail (object != NULL, NULL);
atk_object = ATK_OBJECT (object);
atk_object->role = ATK_ROLE_TABLE_CELL;
cell = GAIL_RENDERER_CELL(object);
cell->renderer = gtk_cell_renderer_pixbuf_new ();
g_object_ref_sink (cell->renderer);
return atk_object;
}
static void
gail_image_cell_init (GailImageCell *image_cell)
{
image_cell->image_description = NULL;
}
static void
gail_image_cell_finalize (GObject *object)
{
GailImageCell *image_cell = GAIL_IMAGE_CELL (object);
g_free (image_cell->image_description);
G_OBJECT_CLASS (gail_image_cell_parent_class)->finalize (object);
}
static gboolean
gail_image_cell_update_cache (GailRendererCell *cell,
gboolean emit_change_signal)
{
return FALSE;
}
static void
atk_image_interface_init (AtkImageIface *iface)
{
iface->get_image_description = gail_image_cell_get_image_description;
iface->set_image_description = gail_image_cell_set_image_description;
iface->get_image_position = gail_image_cell_get_image_position;
iface->get_image_size = gail_image_cell_get_image_size;
}
static G_CONST_RETURN gchar *
gail_image_cell_get_image_description (AtkImage *image)
{
GailImageCell *image_cell;
image_cell = GAIL_IMAGE_CELL (image);
return image_cell->image_description;
}
static gboolean
gail_image_cell_set_image_description (AtkImage *image,
const gchar *description)
{
GailImageCell *image_cell;
image_cell = GAIL_IMAGE_CELL (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
gail_image_cell_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
gail_image_cell_get_image_size (AtkImage *image,
gint *width,
gint *height)
{
GailImageCell *cell = GAIL_IMAGE_CELL (image);
GtkCellRenderer *cell_renderer;
GdkPixbuf *pixbuf;
cell_renderer = GAIL_RENDERER_CELL (cell)->renderer;
pixbuf = GTK_CELL_RENDERER_PIXBUF (cell_renderer)->pixbuf;
*width = gdk_pixbuf_get_width (pixbuf);
*height = gdk_pixbuf_get_height (pixbuf);
}