+ CONTROL_BEHAVIOUR_DEFAULT = 0, ///< Default behaviour: Size negotiation is enabled & listens to Style Change signal, but doesn't receive event callbacks. @SINCE_1_2_10
+ REQUIRES_STYLE_CHANGE_SIGNALS = 1 << ( CustomActorImpl::ACTOR_FLAG_COUNT + 0 ), ///< True if needs to monitor style change signals such as theme/font change @SINCE_1_0.0 @DEPRECATED_1_2_10