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clutter/stage: Allow claiming sequence outside of event handling context

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Another baby step just like the last commit: This commit takes care of
the opposite case: An action handling a sequence event stops further
emission of events to actors.

Since sequences remain around for longer than the context of just a
single event, it makes sense to provide a way to "claim" those sequences
even when outside of event handling context, so introduce API for that.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2342>
This commit is contained in:
Jonas Dreßler 2022-04-08 20:37:59 +02:00 committed by Marge Bot
parent 6939bed55c
commit b3de224406
2 changed files with 37 additions and 0 deletions
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4
clutter/clutter/clutter-stage-private.h
View File

@ -178,6 +178,10 @@ void clutter_stage_maybe_lost_implicit_grab (ClutterStage *self,
void clutter_stage_implicit_grab_actor_unmapped (ClutterStage *self,
ClutterActor *actor);
void clutter_stage_notify_action_implicit_grab (ClutterStage *self,
ClutterInputDevice *device,
ClutterEventSequence *sequence);
G_END_DECLS
#endif /* __CLUTTER_STAGE_PRIVATE_H__ */

33
clutter/clutter/clutter-stage.c
View File

@ -4263,6 +4263,21 @@ free_event_receiver (EventReceiver *receiver)
g_clear_object (&receiver->action);
}
static void
remove_all_actors_from_chain (PointerDeviceEntry *entry)
{
unsigned int i;
for (i = 0; i < entry->event_emission_chain->len; i++)
{
EventReceiver *receiver =
&g_array_index (entry->event_emission_chain, EventReceiver, i);
if (receiver->actor)
g_clear_object (&receiver->actor);
}
}
static void
remove_all_actions_from_chain (PointerDeviceEntry *entry)
{
@ -4528,3 +4543,21 @@ clutter_stage_implicit_grab_actor_unmapped (ClutterStage *self,
cancel_implicit_grab_on_actor (entry, actor);
}
}
void
clutter_stage_notify_action_implicit_grab (ClutterStage *self,
ClutterInputDevice *device,
ClutterEventSequence *sequence)
{
ClutterStagePrivate *priv = self->priv;
PointerDeviceEntry *entry;
if (sequence != NULL)
entry = g_hash_table_lookup (priv->touch_sequences, sequence);
else
entry = g_hash_table_lookup (priv->pointer_devices, device);
g_assert (entry->press_count > 0);
remove_all_actors_from_chain (entry);
}