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clutter/main: Change picked actor before emitting crossing events

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Updating the state before emitting the CLUTTER_LEAVE event allows its
handlers to query the pointer actor, and avoid getting the same actor
again. Conceptually, this makes picking more "atomic", and the events a
notification of the change.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1654>
This commit is contained in:
Carlos Garnacho 2020-12-22 17:25:48 +01:00
parent 3d82da23ec
commit 794962327e
1 changed files with 5 additions and 8 deletions
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13
clutter/clutter/clutter-main.c
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@ -1608,6 +1608,11 @@ clutter_stage_update_device (ClutterStage *stage,
old_actor = clutter_stage_get_device_actor (stage, device, sequence);
device_actor_changed = new_actor != old_actor;
clutter_stage_update_device_entry (stage,
device, sequence,
point,
new_actor);
if (device_actor_changed)
{
CLUTTER_NOTE (EVENT,
@ -1625,15 +1630,7 @@ clutter_stage_update_device (ClutterStage *stage,
old_actor, new_actor,
point, time);
}
}
clutter_stage_update_device_entry (stage,
device, sequence,
point,
new_actor);
if (device_actor_changed)
{
if (new_actor && emit_crossing)
{
create_crossing_event (stage,