Examples of java.awt.EventQueue$Queue

java.awt.EventQueue
Implements the actual queue. EventQueue has 2 internal queues for different priorities: 1 PaintEvents are always dispatched with low priority. 2. All other events are dispatched with normal priority. This makes sure that the actual painting (output) is performed _after_ all available input has been processed and that the paint regions are coalesced as much as possible.

         * This is a BIG TIME HACK (that seems to work!) to work around the problem of 
         * popupMenuCanceled() not being called.
         * @return boolean
         */
        private boolean isPopupCanceled() {
            EventQueue queue = Toolkit.getDefaultToolkit().getSystemEventQueue();
            AWTEvent event = queue.peekEvent();
            
            if (event == null) {
                return true;
            } else {
                if (event instanceof InvocationEvent) {

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         */
        private void forwardMouseEvent(Component parent, MouseEvent e) {


            popupShouldShow = false;
            
            EventQueue queue = Toolkit.getDefaultToolkit().getSystemEventQueue();
            Point newLocation = SwingUtilities.convertPoint((Component) e.getSource(), e.getPoint(), parent);
            Component newSource = parent.getComponentAt(newLocation);


            if (newSource == null) {
                // Happens if you click on the border of a component.
                return;
            }


            newLocation = SwingUtilities.convertPoint(parent, newLocation, newSource);
            
            queue.postEvent(new MouseEvent(newSource,
                    e.getID(),
                    System.currentTimeMillis(),
                    e.getModifiers(),
                    newLocation.x,
                    newLocation.y,

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    private synchronized void startModal() {


        try {
            if (SwingUtilities.isEventDispatchThread()) {
                EventQueue theQueue = getToolkit().getSystemEventQueue();
                while (isVisible()) {
                    AWTEvent event = theQueue.getNextEvent();
                    Object source = event.getSource();
                    boolean dispatch = true;


                    if (event.getSource() != null && event.getSource() instanceof TrayIcon) {
                        return;

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    /**
     * Processes the next GUI event.
     */
    public void dispatchNextGuiEvent() throws InterruptedException {
        EventQueue queue = awtEventQueue;
        if (queue == null) {
            queue = Toolkit.getDefaultToolkit().getSystemEventQueue();
            awtEventQueue = queue;
        }
        AWTEvent event = queue.getNextEvent();
        if (event instanceof ActiveEvent) {
            ((ActiveEvent)event).dispatch();
        } else {
            Object source = event.getSource();
            if (source instanceof Component) {

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    /**
     * Processes the next GUI event.
     */
    public void dispatchNextGuiEvent() throws InterruptedException {
        EventQueue queue = awtEventQueue;
        if (queue == null) {
            queue = Toolkit.getDefaultToolkit().getSystemEventQueue();
            awtEventQueue = queue;
        }
        AWTEvent event = queue.getNextEvent();
        if (event instanceof ActiveEvent) {
            ((ActiveEvent)event).dispatch();
        } else {
            Object source = event.getSource();
            if (source instanceof Component) {

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    lp.add(modalInterceptor);
    f.toFront();


    // We need to explicitly dispatch events when we are blocking the event
    // dispatch thread.
    EventQueue queue = Toolkit.getDefaultToolkit().getSystemEventQueue();
    try
      {
        while (! f.isClosed())
          {
            if (EventQueue.isDispatchThread())
              {
                // The getNextEventMethod() issues wait() when no
                // event is available, so we don't need do explicitly wait().
                AWTEvent ev = queue.getNextEvent();
                // This mimics EventQueue.dispatchEvent(). We can't use
                // EventQueue.dispatchEvent() directly, because it is
                // protected, unfortunately.
                if (ev instanceof ActiveEvent)
                  ((ActiveEvent) ev).dispatch();

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  public static MainQtThread guiThread = null;
  public static QtGraphicsEnvironment graphicsEnv = null;


  private static void initToolkit()
  {
    eventQueue = new EventQueue();
    repaintThread = new QtRepaintThread();
    System.loadLibrary("qtpeer");


    String theme = null;
    try

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        public PostShutdownEventRunnable(AppContext ac) {
            appContext = ac;
        }


        public void run() {
            final EventQueue eq = (EventQueue)appContext.get(EVENT_QUEUE_KEY);
            if (eq != null) {
                eq.postEvent(AWTAutoShutdown.getShutdownEvent());
            }
        }

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    hotkeyActionMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_TAB,
        mask),
        machineControlsPanel.showHideJogControlsWindowAction);


    Toolkit.getDefaultToolkit().getSystemEventQueue()
        .push(new EventQueue() {
          @Override
          protected void dispatchEvent(AWTEvent event) {
            if (event instanceof KeyEvent) {
              KeyStroke ks = KeyStroke
                  .getKeyStrokeForEvent((KeyEvent) event);

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        public PostShutdownEventRunnable(AppContext ac) {
            appContext = ac;
        }


        public void run() {
            final EventQueue eq = (EventQueue)appContext.get(EVENT_QUEUE_KEY);
            if (eq != null) {
                eq.postEvent(AWTAutoShutdown.getShutdownEvent());
            }
        }

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