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clutter/actor: Clean up real_get_paint_volume() a bit

We can get rid of an indentation level and the "ret" variable here and
instead simply early-return when we need to.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1492>
This commit is contained in:
Jonas Dreßler 2020-11-21 11:45:57 +01:00 committed by Marge Bot
parent 93ba039b90
commit 830561405c

View file

@ -5664,7 +5664,7 @@ clutter_actor_real_get_paint_volume (ClutterActor *self,
ClutterPaintVolume *volume)
{
ClutterActorPrivate *priv = self->priv;
gboolean res = TRUE;
ClutterActor *child;
/* this should be checked before we call this function, but it's a
* good idea to be explicit when it costs us nothing
@ -5698,54 +5698,41 @@ clutter_actor_real_get_paint_volume (ClutterActor *self,
* outside the clip region.
*/
if (priv->clip_to_allocation)
return TRUE;
/* if we don't have children we just bail out here... */
if (priv->n_children == 0)
return TRUE;
/* ...but if we have children then we ask for their paint volume in
* our coordinates. if any of our children replies that it doesn't
* have a paint volume, we bail out
*/
for (child = priv->first_child;
child != NULL;
child = child->priv->next_sibling)
{
/* the allocation has already been set, so we just flip the
* return value
const ClutterPaintVolume *child_volume;
/* we ignore unmapped children, since they won't be painted.
*
* XXX: we also have to ignore mapped children without a valid
* allocation, because apparently some code above Clutter allows
* them.
*/
res = TRUE;
}
else
{
ClutterActor *child;
if ((!CLUTTER_ACTOR_IS_MAPPED (child) &&
!clutter_actor_has_mapped_clones (child)) ||
!clutter_actor_has_allocation (child))
continue;
/* if we don't have children we just bail out here... */
if (priv->n_children == 0)
return res;
child_volume = clutter_actor_get_transformed_paint_volume (child, self);
if (child_volume == NULL)
return FALSE;
/* ...but if we have children then we ask for their paint volume in
* our coordinates. if any of our children replies that it doesn't
* have a paint volume, we bail out
*/
for (child = priv->first_child;
child != NULL;
child = child->priv->next_sibling)
{
const ClutterPaintVolume *child_volume;
/* we ignore unmapped children, since they won't be painted.
*
* XXX: we also have to ignore mapped children without a valid
* allocation, because apparently some code above Clutter allows
* them.
*/
if ((!CLUTTER_ACTOR_IS_MAPPED (child) &&
!clutter_actor_has_mapped_clones (child)) ||
!clutter_actor_has_allocation (child))
continue;
child_volume = clutter_actor_get_transformed_paint_volume (child, self);
if (child_volume == NULL)
{
res = FALSE;
break;
}
clutter_paint_volume_union (volume, child_volume);
res = TRUE;
}
clutter_paint_volume_union (volume, child_volume);
}
return res;
return TRUE;
}
static gboolean