if (e.getKeyCode() == KeyEvent.VK_TAB) setPopupVisible(false); else if (keySelectionManager != null) { int i = keySelectionManager.selectionForKey(e.getKeyChar(), getModel()); if (i >= 0) setSelectedIndex(i); else super.processKeyEvent(e); } else super.processKeyEvent(e);
  public void processKeyEvent(KeyEvent e)  {  }