gtk2/gtk/a11y/gtkbooleancellaccessible.c
Benjamin Otte 47e44028e1 a11y: Add back the 'toggle' actions
This is a hack.

But as long as Orca cannot figure out if a cell is heckable, the best we
can do is support the old way of providing a "toggle" action.

https://bugzilla.gnome.org/show_bug.cgi?id=672367
https://bugzilla.gnome.org/show_bug.cgi?id=672368
https://bugzilla.gnome.org/show_bug.cgi?id=672369
2012-03-19 02:26:16 +01:00

139 lines
4.2 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "gtkbooleancellaccessible.h"
static AtkActionIface *parent_action_iface;
static gint
gtk_boolean_cell_accessible_get_n_actions (AtkAction *action)
{
return parent_action_iface->get_n_actions (action) + 1;
}
static const gchar *
gtk_boolean_cell_accessible_get_description (AtkAction *action,
gint i)
{
if (i == 0)
return "toggles the cell";
return parent_action_iface->get_description (action, i - 1);
}
static const gchar *
gtk_boolean_cell_accessible_action_get_name (AtkAction *action,
gint i)
{
if (i == 0)
return "toggle";
return parent_action_iface->get_description (action, i - 1);
}
static gboolean
gtk_boolean_cell_accessible_do_action (AtkAction *action,
gint i)
{
if (i == 0)
return parent_action_iface->do_action (action, 2);
else
return parent_action_iface->do_action (action, i - 1);
}
static void
gtk_boolean_cell_accessible_action_interface_init (AtkActionIface *iface)
{
parent_action_iface = g_type_interface_peek_parent (iface);
iface->do_action = gtk_boolean_cell_accessible_do_action;
iface->get_n_actions = gtk_boolean_cell_accessible_get_n_actions;
iface->get_description = gtk_boolean_cell_accessible_get_description;
iface->get_name = gtk_boolean_cell_accessible_action_get_name;
}
G_DEFINE_TYPE_EXTENDED (GtkBooleanCellAccessible, _gtk_boolean_cell_accessible, GTK_TYPE_RENDERER_CELL_ACCESSIBLE, 0,
G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, gtk_boolean_cell_accessible_action_interface_init))
static AtkStateSet *
gtk_boolean_cell_accessible_ref_state_set (AtkObject *accessible)
{
GtkBooleanCellAccessible *cell = GTK_BOOLEAN_CELL_ACCESSIBLE (accessible);
AtkStateSet *state_set;
state_set = ATK_OBJECT_CLASS (_gtk_boolean_cell_accessible_parent_class)->ref_state_set (accessible);
if (cell->cell_value)
atk_state_set_add_state (state_set, ATK_STATE_CHECKED);
if (cell->cell_sensitive)
atk_state_set_add_state (state_set, ATK_STATE_SENSITIVE);
else
atk_state_set_remove_state (state_set, ATK_STATE_SENSITIVE);
return state_set;
}
static void
gtk_boolean_cell_accessible_update_cache (GtkCellAccessible *cell)
{
GtkBooleanCellAccessible *boolean_cell = GTK_BOOLEAN_CELL_ACCESSIBLE (cell);
gboolean active;
gboolean sensitive;
g_object_get (G_OBJECT (GTK_RENDERER_CELL_ACCESSIBLE (cell)->renderer),
"active", &active,
"sensitive", &sensitive,
NULL);
if (boolean_cell->cell_value != active)
{
boolean_cell->cell_value = !boolean_cell->cell_value;
atk_object_notify_state_change (ATK_OBJECT (cell), ATK_STATE_CHECKED, active);
}
if (boolean_cell->cell_sensitive != sensitive)
{
boolean_cell->cell_sensitive = !boolean_cell->cell_sensitive;
atk_object_notify_state_change (ATK_OBJECT (cell), ATK_STATE_CHECKED, sensitive);
}
}
static void
_gtk_boolean_cell_accessible_class_init (GtkBooleanCellAccessibleClass *klass)
{
GtkCellAccessibleClass *cell_class = GTK_CELL_ACCESSIBLE_CLASS (klass);
AtkObjectClass *atkobject_class = ATK_OBJECT_CLASS (klass);
atkobject_class->ref_state_set = gtk_boolean_cell_accessible_ref_state_set;
cell_class->update_cache = gtk_boolean_cell_accessible_update_cache;
}
static void
_gtk_boolean_cell_accessible_init (GtkBooleanCellAccessible *cell)
{
}