private JMenu createWindowMenu(Application application) {
JMenu windowMenu = new JMenu("Window");
windowMenu.setMnemonic(Mnemonics.WINDOW);
FpsAction fpsAction = new FpsAction(application);
JMenuItem fpsItem = new JMenuItem(fpsAction);
windowMenu.add(fpsItem);
AxisAction axisAction = new AxisAction(application);
JMenuItem axisItem = new JMenuItem(axisAction);