return new ChangeHandler();
return new MouseInputHandler();
return new MotifCheckBoxMenuItemUI();
super.installListeners(); changeListener = createChangeListener(menuItem); menuItem.addChangeListener(changeListener);
MotifGraphicsUtils.paintMenuItem(g, c, checkIcon,arrowIcon, selectionBackground, selectionForeground, defaultTextIconGap);
super.uninstallListeners(); menuItem.removeChangeListener(changeListener);