+ wm->set_event_handler(LibWindowmanager::Event_SyncDraw, [wm](json_object *object) {
+ const char *label = json_object_get_string(
+ json_object_object_get(object, wm->kKeyDrawingName));
+ const char *area = json_object_get_string(
+ json_object_object_get(object, wm->kKeyDrawingArea));