public void uninstallListeners() {
comboBox.removeMouseListener(mouseHandler);
JTextComponent textComponent = (JTextComponent)comboBox.getEditor().
getEditorComponent();
textComponent.removeMouseListener(mouseHandler);
textComponent.removeFocusListener(focusListener);
// Doesn't need to be done as the button is discarded (?)...
//xpArrowButton.removeMouseListener(mouseHandler);
comboBox.removePopupMenuListener(popupListener);
super.uninstallListeners();