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surface: Create subsurface views when linking surface to parent

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When we're linking a subsurface to its parent for the first time,
materialise new views for every view the parent has.

Signed-off-by: Daniel Stone <daniels@collabora.com>
This commit is contained in:
Daniel Stone 2023-06-27 08:04:30 +01:00
parent 4b7fb56835
commit aac90fe400
1 changed files with 12 additions and 0 deletions
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12
libweston/compositor.c
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@ -5258,6 +5258,8 @@ static void
weston_subsurface_link_parent(struct weston_subsurface *sub,
struct weston_surface *parent)
{
struct weston_view *pv;
sub->parent = parent;
sub->parent_destroy_listener.notify = subsurface_handle_parent_destroy;
wl_signal_add(&parent->destroy_signal,
@ -5268,6 +5270,16 @@ weston_subsurface_link_parent(struct weston_subsurface *sub,
wl_list_insert(&parent->subsurface_list, &sub->parent_link);
wl_list_insert(&parent->subsurface_list_pending,
&sub->parent_link_pending);
assert(wl_list_empty(&sub->surface->views));
wl_list_for_each(pv, &parent->views, surface_link) {
struct weston_view *sv = weston_view_create(sub->surface);
weston_view_set_transform_parent(sv, pv);
weston_view_set_rel_position(sv, sub->position.offset);
sv->parent_view = pv;
weston_view_update_transform(sv);
}
}
static void