});
lower.addKeyboardListener(new KeyboardListenerAdapter(){
public void onKeyUp(final Widget sender, final char keyCode, final int modifiers) {
super.onKeyUp(sender, keyCode, modifiers);
if (KeyboardListener.KEY_ENTER == keyCode) {
filterButton.click();
}
}
});
upper.addKeyboardListener(new KeyboardListenerAdapter(){
public void onKeyUp(final Widget sender, final char keyCode, final int modifiers) {