addDirtyRectangle(inhibitedRectangle);
  public void onOIAChanged(ScreenOIA oia, int change)  {    switch (change)    {        case OIA_CHANGED_BELL:          ringAudibleBell();          break;        case OIA_CHANGED_CLEAR_SCREEN:          break;        case OIA_CHANGED_INPUTINHIBITED:          break;        case OIA_CHANGED_INSERT_MODE:          break;        case OIA_CHANGED_KEYBOARD_LOCKED:          setKeyboardLocked(oia.isKeyBoardLocked());          break;        case OIA_CHANGED_KEYS_BUFFERED:          break;        case OIA_CHANGED_MESSAGELIGHT:          break;        case OIA_CHANGED_SCRIPT:          break;        default:          // Do nothing    }  }