Query.java 文件源码

public void focusLost(FocusEvent e) {
    // NOTE: Java's lame AWT has no reliable way
    // to take action on window closing, so this focus lost
    // notification is the only reliable way we have of reacting
    // to a closing window.  If the previous
    // notification was an erroneous one and the value has not
    // changed, then no further notification occurs.
    // This could be a problem for some users of this class.
    _notifyListeners(_name);
}