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subcompositor: convert to try_from

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References: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/884
This commit is contained in:
Simon Ser 2023-02-01 20:14:39 +01:00
parent c5f7f8ab98
commit eb3e8f08a8
3 changed files with 22 additions and 40 deletions
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8
types/wlr_compositor.c
View file

@ -812,12 +812,8 @@ void wlr_surface_unlock_cached(struct wlr_surface *surface, uint32_t seq) {
}
struct wlr_surface *wlr_surface_get_root_surface(struct wlr_surface *surface) {
while (wlr_surface_is_subsurface(surface)) {
struct wlr_subsurface *subsurface =
wlr_subsurface_from_wlr_surface(surface);
if (subsurface == NULL) {
break;
}
struct wlr_subsurface *subsurface;
while ((subsurface = wlr_subsurface_try_from_wlr_surface(surface))) {
surface = subsurface->parent;
}
return surface;

41
types/wlr_subcompositor.c
View file

@ -16,10 +16,7 @@ static bool subsurface_is_synchronized(struct wlr_subsurface *subsurface) {
return true;
}
if (!wlr_surface_is_subsurface(subsurface->parent)) {
break;
}
subsurface = wlr_subsurface_from_wlr_surface(subsurface->parent);
subsurface = wlr_subsurface_try_from_wlr_surface(subsurface->parent);
}
return false;
@ -197,12 +194,10 @@ static void subsurface_consider_map(struct wlr_subsurface *subsurface) {
return;
}
if (wlr_surface_is_subsurface(subsurface->parent)) {
struct wlr_subsurface *parent =
wlr_subsurface_from_wlr_surface(subsurface->parent);
if (parent == NULL || !parent->mapped) {
return;
}
struct wlr_subsurface *parent =
wlr_subsurface_try_from_wlr_surface(subsurface->parent);
if (parent == NULL || !parent->mapped) {
return;
}
// Now we can map the subsurface
@ -242,16 +237,16 @@ static void subsurface_unmap(struct wlr_subsurface *subsurface) {
}
static void subsurface_role_commit(struct wlr_surface *surface) {
struct wlr_subsurface *subsurface =
wlr_subsurface_from_wlr_surface(surface);
struct wlr_subsurface *subsurface = wlr_subsurface_try_from_wlr_surface(surface);
assert(subsurface != NULL);
subsurface_consider_map(subsurface);
}
static void subsurface_role_precommit(struct wlr_surface *surface,
const struct wlr_surface_state *state) {
struct wlr_subsurface *subsurface =
wlr_subsurface_from_wlr_surface(surface);
struct wlr_subsurface *subsurface = wlr_subsurface_try_from_wlr_surface(surface);
assert(subsurface != NULL);
if (state->committed & WLR_SURFACE_STATE_BUFFER && state->buffer == NULL) {
// This is a NULL commit
@ -260,8 +255,8 @@ static void subsurface_role_precommit(struct wlr_surface *surface,
}
static void subsurface_role_destroy(struct wlr_surface *surface) {
struct wlr_subsurface *subsurface =
wlr_subsurface_from_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,
@ -403,13 +398,10 @@ static struct wlr_subsurface *subsurface_create(struct wlr_surface *surface,
return subsurface;
}
bool wlr_surface_is_subsurface(struct wlr_surface *surface) {
return surface->role == &subsurface_role;
}
struct wlr_subsurface *wlr_subsurface_from_wlr_surface(
struct wlr_surface *surface) {
assert(wlr_surface_is_subsurface(surface));
struct wlr_subsurface *wlr_subsurface_try_from_wlr_surface(struct wlr_surface *surface) {
if (surface->role != &subsurface_role) {
return NULL;
}
return (struct wlr_subsurface *)surface->role_data;
}
@ -435,8 +427,7 @@ static void subcompositor_handle_get_subsurface(struct wl_client *client,
return;
}
if (wlr_surface_is_subsurface(surface) &&
wlr_subsurface_from_wlr_surface(surface) != NULL) {
if (wlr_subsurface_try_from_wlr_surface(surface) != NULL) {
wl_resource_post_error(resource,
WL_SUBCOMPOSITOR_ERROR_BAD_SURFACE,
"%s%" PRIu32 ": wl_surface@%" PRIu32 " is already a sub-surface",