passwordWidget.addDomHandler(new KeyPressHandler() {
@Override
public void onKeyPress(KeyPressEvent event) {
if (isEnabled() && isCapsLockOn(event)) {
warning.showRelativeTo(passwordWidget);
rpc.isCapsLockEnabled(true); // Added to send message to the
// server
} else {
warning.hide();
rpc.isCapsLockEnabled(false); // Added to send message to