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clutter: Honor pick vmethod rectangle during region caching

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We retrieve the picked actor's allocation for figuring out the pick
cache clear area, but don't take into account that the pick vmethod
might have returned a different area for it.

Make sure to honor that rectangle, as that is what is accounted as
the input region.

Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/2135
Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2283>
This commit is contained in:
Carlos Garnacho 2022-02-11 14:40:21 +01:00 committed by Marge Bot
parent dcba417b8a
commit 13c77c55e8
1 changed files with 10 additions and 3 deletions
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13
clutter/clutter/clutter-pick-stack.c
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@ -453,8 +453,8 @@ get_verts_rectangle (graphene_point3d_t verts[4],
static void
calculate_clear_area (ClutterPickStack *pick_stack,
PickRecord *pick_rec,
int elem,
ClutterActor *actor,
cairo_region_t **clear_area)
{
cairo_region_t *area = NULL;
@ -462,7 +462,7 @@ calculate_clear_area (ClutterPickStack *pick_stack,
cairo_rectangle_int_t rect;
int i;
clutter_actor_get_abs_allocation_vertices (actor,
clutter_actor_get_abs_allocation_vertices (pick_rec->actor,
(graphene_point3d_t *) &verts);
if (!get_verts_rectangle (verts, &rect))
{
@ -471,6 +471,13 @@ calculate_clear_area (ClutterPickStack *pick_stack,
return;
}
rect.x += ceil (pick_rec->base.rect.x1);
rect.y += ceil (pick_rec->base.rect.y1);
rect.width =
MIN (rect.width, floor (pick_rec->base.rect.x2 - pick_rec->base.rect.x1));
rect.height =
MIN (rect.height, floor (pick_rec->base.rect.y2 - pick_rec->base.rect.y1));
area = cairo_region_create_rectangle (&rect);
for (i = elem + 1; i < pick_stack->vertices_stack->len; i++)
@ -521,7 +528,7 @@ clutter_pick_stack_search_actor (ClutterPickStack *pick_stack,
ray_intersects_record (pick_stack, rec, point, ray))
{
if (clear_area)
calculate_clear_area (pick_stack, i, rec->actor, clear_area);
calculate_clear_area (pick_stack, rec, i, clear_area);
return rec->actor;
}
}