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clutter/actor: Return the actor used when picking clock

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The actor used might be relevant, so that e.g. if it moves or for some
other reason changes stage views, the user can listen for that.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1404
This commit is contained in:
Jonas Ådahl 2020-08-12 18:08:35 +02:00
parent 9bcb03ab48
commit 07e964e9fc
5 changed files with 21 additions and 10 deletions
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18
clutter/clutter/clutter-actor.c
View File

@ -16356,13 +16356,17 @@ clutter_actor_is_effectively_on_stage_view (ClutterActor *self,
/**
* clutter_actor_pick_frame_clock: (skip)
* @self: a #ClutterActor
* @out_actor: (nullable): a pointer to an #ClutterActor
*
* Pick the most suitable frame clock for driving animations for this actor.
*
* The #ClutterActor used for picking the frame clock is written @out_actor.
*
* Returns: (transfer none): a #ClutterFrameClock
*/
ClutterFrameClock *
clutter_actor_pick_frame_clock (ClutterActor *self)
clutter_actor_pick_frame_clock (ClutterActor *self,
ClutterActor **out_actor)
{
ClutterActorPrivate *priv = self->priv;
float max_refresh_rate = 0.0;
@ -16372,7 +16376,7 @@ clutter_actor_pick_frame_clock (ClutterActor *self)
if (!priv->stage_views)
{
if (priv->parent)
return clutter_actor_pick_frame_clock (priv->parent);
return clutter_actor_pick_frame_clock (priv->parent, out_actor);
else
return NULL;
}
@ -16391,9 +16395,15 @@ clutter_actor_pick_frame_clock (ClutterActor *self)
}
if (best_view)
return clutter_stage_view_get_frame_clock (best_view);
{
if (out_actor)
*out_actor = self;
return clutter_stage_view_get_frame_clock (best_view);
}
else
return NULL;
{
return NULL;
}
}
/**

3
clutter/clutter/clutter-mutter.h
View File

@ -69,7 +69,8 @@ CLUTTER_EXPORT
gboolean clutter_actor_has_transitions (ClutterActor *actor);
CLUTTER_EXPORT
ClutterFrameClock * clutter_actor_pick_frame_clock (ClutterActor *self);
ClutterFrameClock * clutter_actor_pick_frame_clock (ClutterActor *self,
ClutterActor **out_actor);
#undef __CLUTTER_H_INSIDE__

2
clutter/clutter/clutter-timeline.c
View File

@ -393,7 +393,7 @@ update_frame_clock (ClutterTimeline *timeline)
if (!priv->actor)
goto out;
frame_clock = clutter_actor_pick_frame_clock (priv->actor);
frame_clock = clutter_actor_pick_frame_clock (priv->actor, NULL);
if (frame_clock)
{
g_clear_signal_handler (&priv->stage_stage_views_handler_id, priv->stage);

2
src/compositor/meta-window-actor-x11.c
View File

@ -1237,7 +1237,7 @@ handle_stage_views_changed (MetaWindowActorX11 *actor_x11)
{
ClutterActor *actor = CLUTTER_ACTOR (actor_x11);
actor_x11->frame_clock = clutter_actor_pick_frame_clock (actor);
actor_x11->frame_clock = clutter_actor_pick_frame_clock (actor, NULL);
if (actor_x11->frame_clock && actor_x11->pending_schedule_update_now)
{
clutter_frame_clock_schedule_update_now (actor_x11->frame_clock);

6
src/tests/stage-view-tests.c
View File

@ -652,15 +652,15 @@ meta_test_actor_stage_views_frame_clock (void)
stage_views->data,
stage_views->next->data);
frame_clock = clutter_actor_pick_frame_clock (actor_1);
frame_clock = clutter_actor_pick_frame_clock (actor_1, NULL);
g_assert_cmpfloat (clutter_frame_clock_get_refresh_rate (frame_clock),
==,
60.0);
frame_clock = clutter_actor_pick_frame_clock (actor_2);
frame_clock = clutter_actor_pick_frame_clock (actor_2, NULL);
g_assert_cmpfloat (clutter_frame_clock_get_refresh_rate (frame_clock),
==,
30.0);
frame_clock = clutter_actor_pick_frame_clock (actor_3);
frame_clock = clutter_actor_pick_frame_clock (actor_3, NULL);
g_assert_cmpfloat (clutter_frame_clock_get_refresh_rate (frame_clock),
==,
60.0);