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subcompositor: don't remove inert role resource 

Now that role objects are stored as resources, we can distinguish
the inert object case from it being destroyed by the client:

- When the resource is destroyed by the client, role_resource == NULL
- When the resource is made inert, role_resource != NULL but its
  user_data is NULL
This commit is contained in:
Kirill Primak 2023-07-06 21:39:22 +03:00 committed by Simon Ser
parent 27edd024f8
commit 7d176b6237
1 changed files with 23 additions and 16 deletions
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39
types/wlr_subcompositor.c
View File

@ -24,6 +24,22 @@ static bool subsurface_is_synchronized(struct wlr_subsurface *subsurface) {
static const struct wl_subsurface_interface subsurface_implementation;
static void subsurface_destroy(struct wlr_subsurface *subsurface) {
if (subsurface->has_cache) {
wlr_surface_unlock_cached(subsurface->surface, subsurface->cached_seq);
}
wl_signal_emit_mutable(&subsurface->events.destroy, subsurface);
wl_list_remove(&subsurface->surface_client_commit.link);
wl_list_remove(&subsurface->current.link);
wl_list_remove(&subsurface->pending.link);
wl_list_remove(&subsurface->parent_destroy.link);
wl_resource_set_user_data(subsurface->resource, NULL);
free(subsurface);
}
/**
* Get a wlr_subsurface from a wl_subsurface resource.
*
@ -184,29 +200,20 @@ void subsurface_consider_map(struct wlr_subsurface *subsurface) {
static void subsurface_role_commit(struct wlr_surface *surface) {
struct wlr_subsurface *subsurface = wlr_subsurface_try_from_wlr_surface(surface);
assert(subsurface != NULL);
if (subsurface == NULL) {
return;
}
subsurface_consider_map(subsurface);
}
static void subsurface_role_destroy(struct wlr_surface *surface) {
struct wlr_subsurface *subsurface = wlr_subsurface_try_from_wlr_surface(surface);
assert(subsurface != NULL);
if (subsurface->has_cache) {
wlr_surface_unlock_cached(subsurface->surface,
subsurface->cached_seq);
if (subsurface == NULL) {
return;
}
wl_signal_emit_mutable(&subsurface->events.destroy, subsurface);
wl_list_remove(&subsurface->surface_client_commit.link);
wl_list_remove(&subsurface->current.link);
wl_list_remove(&subsurface->pending.link);
wl_list_remove(&subsurface->parent_destroy.link);
wl_resource_set_user_data(subsurface->resource, NULL);
free(subsurface);
subsurface_destroy(subsurface);
}
const struct wlr_surface_role subsurface_role = {
@ -221,7 +228,7 @@ static void subsurface_handle_parent_destroy(struct wl_listener *listener,
wl_container_of(listener, subsurface, parent_destroy);
// Once the parent is destroyed, the client has no way to use the
// wl_subsurface object anymore, so we can destroy it.
wlr_surface_destroy_role_object(subsurface->surface);
subsurface_destroy(subsurface);
}
static void subsurface_handle_surface_client_commit(