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Implemented clutter_actor_get_accessible

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Added the implementation for clutter_actor_get_accessible, virtual
ClutterActor function, used to obtain the accessible object of
any ClutterActor.

As it is defined virtual, it would be possible to redefine it, so
any custom clutter actor could implement their accessibility object,
withouth relying totally on a accessibility implementation module.

See gtkiconview as example.

http://bugzilla.openedhand.com/show_bug.cgi?id=2070
This commit is contained in:
Alejandro Piñeiro
2010-04-12 20:10:24 +02:00
committed by Emmanuele Bassi
parent fd584e1841
commit 6a313ec2e2
2 changed files with 54 additions and 1 deletions
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45
clutter/clutter-actor.c
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@ -3314,6 +3314,50 @@ clutter_actor_finalize (GObject *object)
G_OBJECT_CLASS (clutter_actor_parent_class)->finalize (object);
}
/**
* clutter_actor_get_accessible:
* @actor: a #ClutterActor
*
* Returns the accessible object that describes the actor to an
* assistive technology.
*
* If no class-specific #AtkObject implementation is available for the
* actor instance in question, it will inherit an #AtkObject
* implementation from the first ancestor class for which such an
* implementation is defined.
*
* The documentation of the <ulink
* url="http://developer.gnome.org/doc/API/2.0/atk/index.html">ATK</ulink>
* library contains more information about accessible objects and
* their uses.
*
* Returns: (transfer none): the #AtkObject associated with @actor
*/
AtkObject*
clutter_actor_get_accessible (ClutterActor *actor)
{
ClutterActorClass *klass;
g_return_val_if_fail (CLUTTER_IS_ACTOR (actor), NULL);
klass = CLUTTER_ACTOR_GET_CLASS (actor);
g_return_val_if_fail (klass->get_accessible != NULL, NULL);
return klass->get_accessible (actor);
}
static AtkObject*
clutter_actor_real_get_accessible (ClutterActor *actor)
{
AtkObject* accessible;
accessible = atk_gobject_accessible_for_object (G_OBJECT (actor));
return accessible;
}
static void
clutter_actor_class_init (ClutterActorClass *klass)
{
@ -4685,6 +4729,7 @@ clutter_actor_class_init (ClutterActorClass *klass)
klass->queue_redraw = clutter_actor_real_queue_redraw;
klass->queue_relayout = clutter_actor_real_queue_relayout;
klass->apply_transform = clutter_actor_real_apply_transform;
klass->get_accessible = clutter_actor_real_get_accessible;
}
static void