textComponent.addFocusListener(focuslistener);
if (SystemProperties.getProperty("gnu.swing.text.no-xlike-clipboard") == null) { if (focusListener == null) focusListener = new FocusHandler(); textComponent.addFocusListener(focusListener); }
  protected void installListeners()  {    textComponent.addFocusListener(focuslistener);  }