}
buttonAddKey.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent selectionEvent) {
Point buttonLocation = buttonAddKey.getLocation();
buttonLocation = groupKeySequence.toDisplay(buttonLocation.x,
buttonLocation.y);
Point buttonSize = buttonAddKey.getSize();
menuButtonAddKey.setLocation(buttonLocation.x, buttonLocation.y
+ buttonSize.y);
menuButtonAddKey.setVisible(true);