gtk2/gtk/a11y/gtkbooleancellaccessible.c
2011-07-09 23:57:16 -04:00

112 lines
3.3 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 "gtkbooleancellaccessible.h"
static gchar *property_list[] = {
"active",
"radio",
"sensitive",
NULL
};
G_DEFINE_TYPE (GtkBooleanCellAccessible, _gtk_boolean_cell_accessible, GTK_TYPE_RENDERER_CELL_ACCESSIBLE)
static gboolean
gtk_boolean_cell_accessible_update_cache (GtkRendererCellAccessible *cell,
gboolean emit_change_signal)
{
GtkBooleanCellAccessible *boolean_cell = GTK_BOOLEAN_CELL_ACCESSIBLE (cell);
gboolean rv = FALSE;
gboolean active;
gboolean sensitive;
g_object_get (G_OBJECT (cell->renderer),
"active", &active,
"sensitive", &sensitive,
NULL);
if (boolean_cell->cell_value != active)
{
rv = TRUE;
boolean_cell->cell_value = !boolean_cell->cell_value;
if (active)
_gtk_cell_accessible_add_state (GTK_CELL_ACCESSIBLE (cell), ATK_STATE_CHECKED, emit_change_signal);
else
_gtk_cell_accessible_remove_state (GTK_CELL_ACCESSIBLE (cell), ATK_STATE_CHECKED, emit_change_signal);
}
if (boolean_cell->cell_sensitive != sensitive)
{
rv = TRUE;
boolean_cell->cell_sensitive = !boolean_cell->cell_sensitive;
if (sensitive)
_gtk_cell_accessible_add_state (GTK_CELL_ACCESSIBLE (cell), ATK_STATE_SENSITIVE, emit_change_signal);
else
_gtk_cell_accessible_remove_state (GTK_CELL_ACCESSIBLE (cell), ATK_STATE_SENSITIVE, emit_change_signal);
}
return rv;
}
static void
_gtk_boolean_cell_accessible_class_init (GtkBooleanCellAccessibleClass *klass)
{
GtkRendererCellAccessibleClass *renderer_cell_class = GTK_RENDERER_CELL_ACCESSIBLE_CLASS (klass);
renderer_cell_class->update_cache = gtk_boolean_cell_accessible_update_cache;
renderer_cell_class->property_list = property_list;
}
static void
_gtk_boolean_cell_accessible_init (GtkBooleanCellAccessible *cell)
{
}
AtkObject *
_gtk_boolean_cell_accessible_new (void)
{
GObject *object;
AtkObject *atk_object;
GtkRendererCellAccessible *cell;
GtkBooleanCellAccessible *boolean_cell;
object = g_object_new (GTK_TYPE_BOOLEAN_CELL_ACCESSIBLE, NULL);
atk_object = ATK_OBJECT (object);
atk_object->role = ATK_ROLE_TABLE_CELL;
cell = GTK_RENDERER_CELL_ACCESSIBLE (object);
cell->renderer = gtk_cell_renderer_toggle_new ();
g_object_ref_sink (cell->renderer);
boolean_cell = GTK_BOOLEAN_CELL_ACCESSIBLE (object);
boolean_cell->cell_value = FALSE;
boolean_cell->cell_sensitive = TRUE;
return atk_object;
}