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feedback-actor: Add API to set and get geometry scale

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Analogous to MetaWindowActor. Also take it into account for positioning
when an anchor is set.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1683>
This commit is contained in:
Robert Mader 2021-01-22 14:14:50 +01:00
parent 04c6934363
commit dfa659b5b5
2 changed files with 41 additions and 2 deletions
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5
src/compositor/meta-feedback-actor-private.h
View File

@ -62,4 +62,9 @@ void meta_feedback_actor_set_position (MetaFeedbackActor *self,
void meta_feedback_actor_update (MetaFeedbackActor *self, void meta_feedback_actor_update (MetaFeedbackActor *self,
const ClutterEvent *event); const ClutterEvent *event);
void meta_feedback_actor_set_geometry_scale (MetaFeedbackActor *self,
int geometry_scale);
int meta_feedback_actor_get_geometry_scale (MetaFeedbackActor *self);
#endif /* META_FEEDBACK_ACTOR_PRIVATE_H */ #endif /* META_FEEDBACK_ACTOR_PRIVATE_H */

38
src/compositor/meta-feedback-actor.c
View File

@ -44,6 +44,8 @@ struct _MetaFeedbackActorPrivate
float anchor_y; float anchor_y;
float pos_x; float pos_x;
float pos_y; float pos_y;
int geometry_scale;
}; };
G_DEFINE_TYPE_WITH_PRIVATE (MetaFeedbackActor, meta_feedback_actor, CLUTTER_TYPE_ACTOR) G_DEFINE_TYPE_WITH_PRIVATE (MetaFeedbackActor, meta_feedback_actor, CLUTTER_TYPE_ACTOR)
@ -65,8 +67,10 @@ meta_feedback_actor_update_position (MetaFeedbackActor *self)
MetaFeedbackActorPrivate *priv = meta_feedback_actor_get_instance_private (self); MetaFeedbackActorPrivate *priv = meta_feedback_actor_get_instance_private (self);
clutter_actor_set_position (CLUTTER_ACTOR (self), clutter_actor_set_position (CLUTTER_ACTOR (self),
priv->pos_x - priv->anchor_x, priv->pos_x -
priv->pos_y - priv->anchor_y); (priv->anchor_x * priv->geometry_scale),
priv->pos_y -
(priv->anchor_y * priv->geometry_scale));
} }
static void static void
@ -249,3 +253,33 @@ meta_feedback_actor_update (MetaFeedbackActor *self,
clutter_event_get_position (event, &point); clutter_event_get_position (event, &point);
meta_feedback_actor_set_position (self, point.x, point.y); meta_feedback_actor_set_position (self, point.x, point.y);
} }
void
meta_feedback_actor_set_geometry_scale (MetaFeedbackActor *self,
int geometry_scale)
{
MetaFeedbackActorPrivate *priv =
meta_feedback_actor_get_instance_private (self);
graphene_matrix_t child_transform;
if (priv->geometry_scale == geometry_scale)
return;
priv->geometry_scale = geometry_scale;
graphene_matrix_init_scale (&child_transform,
geometry_scale,
geometry_scale,
1);
clutter_actor_set_child_transform (CLUTTER_ACTOR (self),
&child_transform);
}
int
meta_feedback_actor_get_geometry_scale (MetaFeedbackActor *self)
{
MetaFeedbackActorPrivate *priv =
meta_feedback_actor_get_instance_private (self);
return priv->geometry_scale;
}