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subcompositor: simplify get_subsurface handler

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This commit is contained in:
Kirill Primak 2022-09-14 14:26:22 +03:00 committed by Simon Ser
parent 40dde59475
commit 49435cb27b
1 changed files with 4 additions and 22 deletions
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26
types/wlr_subcompositor.c
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@ -422,34 +422,16 @@ static void subcompositor_handle_get_subsurface(struct wl_client *client,
struct wlr_surface *surface = wlr_surface_from_resource(surface_resource);
struct wlr_surface *parent = wlr_surface_from_resource(parent_resource);
static const char msg[] = "get_subsurface: wl_subsurface@";
if (surface == parent) {
wl_resource_post_error(resource,
WL_SUBCOMPOSITOR_ERROR_BAD_SURFACE,
"%s%" PRIu32 ": wl_surface@%" PRIu32 " cannot be its own parent",
msg, id, wl_resource_get_id(surface_resource));
return;
}
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",
msg, id, wl_resource_get_id(surface_resource));
if (!wlr_surface_set_role(surface, &subsurface_role, NULL,
resource, WL_SUBCOMPOSITOR_ERROR_BAD_SURFACE)) {
return;
}
if (wlr_surface_get_root_surface(parent) == surface) {
wl_resource_post_error(resource,
WL_SUBCOMPOSITOR_ERROR_BAD_SURFACE,
"%s%" PRIu32 ": wl_surface@%" PRIu32 " is an ancestor of parent",
msg, id, wl_resource_get_id(surface_resource));
return;
}
if (!wlr_surface_set_role(surface, &subsurface_role, NULL,
resource, WL_SUBCOMPOSITOR_ERROR_BAD_SURFACE)) {
"wl_subsurface@%" PRIu32
" cannot be a parent of itself or its ancestor", id);
return;
}