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clutter/animatable: Add way to get an actor from an animatable

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This will be used by ClutterTransition to associate the timeline with an
actor, which itself will be used to determine what frame clock should
drive the timeline.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1285
This commit is contained in:
Jonas Ådahl 2020-06-23 20:23:37 +02:00
parent d29c8e290c
commit d77bcb9028
3 changed files with 34 additions and 0 deletions
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7
clutter/clutter/clutter-actor.c
View File

@ -13589,12 +13589,19 @@ clutter_actor_set_final_state (ClutterAnimatable *animatable,
g_free (p_name);
}
static ClutterActor *
clutter_actor_get_actor (ClutterAnimatable *animatable)
{
return CLUTTER_ACTOR (animatable);
}
static void
clutter_animatable_iface_init (ClutterAnimatableInterface *iface)
{
iface->find_property = clutter_actor_find_property;
iface->get_initial_state = clutter_actor_get_initial_state;
iface->set_final_state = clutter_actor_set_final_state;
iface->get_actor = clutter_actor_get_actor;
}
/**

22
clutter/clutter/clutter-animatable.c
View File

@ -194,3 +194,25 @@ clutter_animatable_interpolate_value (ClutterAnimatable *animatable,
else
return clutter_interval_compute_value (interval, progress, value);
}
/**
* clutter_animatable_get_actor:
* @animatable: a #ClutterAnimatable
*
* Get animated actor.
*
* Return value: (transfer none): a #ClutterActor
*/
ClutterActor *
clutter_animatable_get_actor (ClutterAnimatable *animatable)
{
ClutterAnimatableInterface *iface;
g_return_val_if_fail (CLUTTER_IS_ANIMATABLE (animatable), NULL);
iface = CLUTTER_ANIMATABLE_GET_IFACE (animatable);
g_return_val_if_fail (iface->get_actor, NULL);
return iface->get_actor (animatable);
}

5
clutter/clutter/clutter-animatable.h
View File

@ -50,6 +50,7 @@ G_DECLARE_INTERFACE (ClutterAnimatable, clutter_animatable,
* animatable property
* @interpolate_value: virtual function for interpolating the progress
* of a property
* @get_actor: virtual function for getting associated actor
*
* Since: 1.0
*/
@ -72,6 +73,7 @@ struct _ClutterAnimatableInterface
ClutterInterval *interval,
gdouble progress,
GValue *value);
ClutterActor * (* get_actor) (ClutterAnimatable *animatable);
};
CLUTTER_EXPORT
@ -92,6 +94,9 @@ gboolean clutter_animatable_interpolate_value (ClutterAnimatable *animatable,
gdouble progress,
GValue *value);
CLUTTER_EXPORT
ClutterActor * clutter_animatable_get_actor (ClutterAnimatable *animatable);
G_END_DECLS
#endif /* __CLUTTER_ANIMATABLE_H__ */