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clutter/actor: Make has_pointer a counter instead of a bool

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Somewhat long overdue... We've been supporting more than a single
pointer for quite a long time now, let's make sure things don't break if
two pointer devices enter the same ClutterActor: Count the number of
pointers an actor has instead of using a simple boolean value.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2348>
This commit is contained in:
Jonas Dreßler 2022-05-11 15:29:12 +02:00 committed by Marge Bot
parent 069e18c09d
commit f4416fa662
1 changed files with 19 additions and 9 deletions
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28
clutter/clutter/clutter-actor.c
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@ -808,6 +808,8 @@ struct _ClutterActorPrivate
GList *stage_views;
GList *grabs;
unsigned int n_pointers;
/* bitfields: KEEP AT THE END */
/* fixed position and sizes */
@ -827,7 +829,6 @@ struct _ClutterActorPrivate
guint clip_to_allocation : 1;
guint enable_model_view_transform : 1;
guint enable_paint_unmapped : 1;
guint has_pointer : 1;
guint has_key_focus : 1;
guint propagated_one_redraw : 1;
guint paint_volume_valid : 1;
@ -1708,7 +1709,7 @@ clutter_actor_real_unmap (ClutterActor *self)
*/
g_object_notify_by_pspec (G_OBJECT (self), obj_props[PROP_MAPPED]);
if (priv->has_pointer)
if (priv->n_pointers > 0)
{
ClutterActor *stage = _clutter_actor_get_stage_internal (self);
@ -5426,7 +5427,7 @@ clutter_actor_get_property (GObject *object,
break;
case PROP_HAS_POINTER:
g_value_set_boolean (value, priv->has_pointer);
g_value_set_boolean (value, priv->n_pointers > 0);
break;
case PROP_LAYOUT_MANAGER:
@ -12485,7 +12486,7 @@ clutter_actor_set_reactive (ClutterActor *actor,
g_object_notify_by_pspec (G_OBJECT (actor), obj_props[PROP_REACTIVE]);
if (!CLUTTER_ACTOR_IS_REACTIVE (actor) && priv->has_pointer)
if (!CLUTTER_ACTOR_IS_REACTIVE (actor) && priv->n_pointers > 0)
{
ClutterActor *stage = _clutter_actor_get_stage_internal (actor);
@ -12508,7 +12509,7 @@ clutter_actor_set_reactive (ClutterActor *actor,
parent = parent->priv->parent;
}
if (parent && parent->priv->has_pointer)
if (parent && parent->priv->n_pointers > 0)
{
ClutterActor *stage = _clutter_actor_get_stage_internal (actor);
@ -14716,12 +14717,21 @@ _clutter_actor_set_has_pointer (ClutterActor *self,
{
ClutterActorPrivate *priv = self->priv;
if (priv->has_pointer != has_pointer)
if (has_pointer)
{
priv->has_pointer = has_pointer;
g_assert (CLUTTER_IS_STAGE (self) || CLUTTER_ACTOR_IS_MAPPED (self));
g_object_notify_by_pspec (G_OBJECT (self), obj_props[PROP_HAS_POINTER]);
priv->n_pointers++;
}
else
{
g_assert (priv->n_pointers > 0);
priv->n_pointers--;
}
if (priv->n_pointers == 0 || priv->n_pointers == 1)
g_object_notify_by_pspec (G_OBJECT (self), obj_props[PROP_HAS_POINTER]);
}
void
@ -14792,7 +14802,7 @@ clutter_actor_has_pointer (ClutterActor *self)
{
g_return_val_if_fail (CLUTTER_IS_ACTOR (self), FALSE);
return self->priv->has_pointer;
return self->priv->n_pointers > 0;
}
/**