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actor: Add ::transition-stopped

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The ::transition-stopped signal can be used to get notification of the
end of a transition.
This commit is contained in:
Emmanuele Bassi
2012-07-21 12:49:53 -04:00
parent e0e5ab9dd4
commit 28c2eeef95
3 changed files with 99 additions and 26 deletions
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27
examples/basic-actor.c
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@ -49,36 +49,37 @@ on_crossing (ClutterActor *actor,
}
static void
on_transition_stopped (ClutterTransition *transition,
gboolean is_finished,
ClutterActor *actor)
on_transition_stopped (ClutterActor *actor,
const gchar *transition_name,
gboolean is_finished)
{
clutter_actor_save_easing_state (actor);
clutter_actor_set_easing_duration (actor, 250);
clutter_actor_set_rotation_angle (actor, CLUTTER_Y_AXIS, 0.0f);
clutter_actor_restore_easing_state (actor);
/* disconnect so we don't get multiple notifications */
g_signal_handlers_disconnect_by_func (actor,
on_transition_stopped,
NULL);
}
static gboolean
animate_rotation (ClutterActor *actor,
ClutterEvent *event)
{
ClutterTransition *transition;
clutter_actor_save_easing_state (actor);
clutter_actor_set_easing_duration (actor, 1000);
clutter_actor_set_rotation_angle (actor, CLUTTER_Y_AXIS, 360.0);
transition = clutter_actor_get_transition (actor, "rotation-angle-y");
g_signal_connect (transition, "stopped",
G_CALLBACK (on_transition_stopped),
actor);
clutter_actor_restore_easing_state (actor);
/* get a notification when the rotation-angle-y transition ends */
g_signal_connect (actor,
"transition-stopped::rotation-angle-y",
G_CALLBACK (on_transition_stopped),
NULL);
return CLUTTER_EVENT_STOP;
}