public MetalworksFrame() { super("Metalworks"); final int inset = 50; Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); setBounds(inset, inset, screenSize.width - inset * 2, screenSize.height - inset * 2); buildContent(); buildMenus(); this.addWindowListener( new WindowAdapter() { public void windowClosing(WindowEvent e) { quit(); } }); UIManager.addPropertyChangeListener(new UISwitchListener((JComponent) getRootPane())); }