Member fcn::Widget::_getVisibilityEventHandler (): We don't like the visibility handler being static, but we leave it as is for the moment, until we come up a better solution.
Member fcn::Widget::_setVisibilityEventHandler (VisibilityEventHandler *visibilityEventHandler): We don't like the visibility handler being static, but we leave it as is for the moment, until we come up a better solution.
Member fcn::Widget::mVisibilityEventHandler: We don't like the visibility handler being static, but we leave it as is for the moment, until we come up a better solution.