Method is_connected

core/object/object.cpp:1564–1583

}

bool Object::is_connected(const StringName &p_signal, const Callable &p_callable) const {
	ERR_FAIL_COND_V_MSG(p_callable.is_null(), false, vformat("Cannot determine if connected to '%s': the provided callable is null.", p_signal)); // Should use `is_null`, see note in `connect` about the use of `is_valid`.
	OBJ_SIGNAL_LOCK

	const SignalData *s = signal_map.getptr(p_signal);
	if (!s) {
		bool signal_is_valid = ClassDB::has_signal(get_class_name(), p_signal);
		if (signal_is_valid) {
			return false;
		}

		if (!script.is_null() && Ref<Script>(script)->has_script_signal(p_signal)) {
			return false;
		}

		ERR_FAIL_V_MSG(false, vformat("Nonexistent signal: '%s'.", p_signal));
	}

	return s->slot_map.has(*p_callable.get_base_comparator());
}

bool Object::has_connections(const StringName &p_signal) const {
	OBJ_SIGNAL_LOCK