private void init() { setSize(100, 100); setBackground(_style.background); top().left(); tabs = new List <Tab>(); tabButtons = new List <TabButton>(); _buttonsTable = new Table(); _buttonsTable.setFillParent(true); _buttonsTable.top().left(); _tabTable = new Table(); _tabTable.top().left(); row(); add(_buttonsTable).fill().setExpandX(); row(); add(_tabTable).fill().setExpandY(); }