Examples of java.awt.event.AWTEventListener

java.awt.event.AWTEventListener
The listener interface for receiving notification of events dispatched to objects that are instances of Component or MenuComponent or their subclasses. Unlike the other EventListeners in this package, AWTEventListeners passively observe events being dispatched in the AWT, system-wide. Most applications should never use this class; applications which might use AWTEventListeners include event recorders for automated testing, and facilities such as the Java Accessibility package.
The class that is interested in monitoring AWT events implements this interface, and the object created with that class is registered with the Toolkit, using the Toolkit's addAWTEventListener method. When an event is dispatched anywhere in the AWT, that object's eventDispatched method is invoked. @see java.awt.AWTEvent @see java.awt.Toolkit#addAWTEventListener @see java.awt.Toolkit#removeAWTEventListener @author Fred Ecks @since 1.2

            equalizerFrame = null;
        }


        // Global AWT key handler, you're better off using Swing's InputMap and
        // ActionMap with a JFrame - that would solve all sorts of focus issues too
        Toolkit.getDefaultToolkit().addAWTEventListener(new AWTEventListener() {
            @Override
            public void eventDispatched(AWTEvent event) {
                if(event instanceof KeyEvent) {
                    KeyEvent keyEvent = (KeyEvent)event;
                    if(keyEvent.getID() == KeyEvent.KEY_PRESSED) {

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   * 
   * @param e the event dispatched in the AWT.
   */
  @Override
  public void eventDispatched(AWTEvent e) {
    AWTEventListener listener = listenerReference.get();
    if (listener == null) {
      dispose();
      return;
    }
    listener.eventDispatched(e);
  }

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    assertThatListenerIsUnderMask(CONTEXT_MONITOR_EVENT_MASK, ContextMonitor.class);
    assertThatListenerIsUnderMask(WINDOWS_AVAILABILITY_MONITOR_EVENT_MASK, WindowAvailabilityMonitor.class);
  }


  private void assertThatListenerIsUnderMask(long mask, Class<? extends AWTEventListener> type) {
    AWTEventListener listener = listenerUnderMask(mask);
    assertThat(listener).isInstanceOf(type);
  }

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  private EventNormalizer normalizer;


  public InputState(@Nonnull Toolkit toolkit) {
    long mask = MOUSE_MOTION_EVENT_MASK | MOUSE_EVENT_MASK | KEY_EVENT_MASK;
    AWTEventListener listener = new EventDispatchThreadedEventListener() {
      @Override
      protected void processEvent(@Nonnull AWTEvent event) {
        update(event);
      }
    };

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  try {
    /* Call registerListeners() to make XEmbed focus traversal work */
    Method method = clazz.getMethod("registerListeners", null);
    if (method != null) method.invoke(value, null);
  } catch (Throwable e) {}
  final AWTEventListener awtListener = new AWTEventListener() {
    public void eventDispatched(AWTEvent event) {
      if (event.getID() == WindowEvent.WINDOW_OPENED) {
        final Window window = (Window) event.getSource();
        if (window.getParent() == frame) {
          parent.getDisplay().asyncExec(new Runnable() {

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        } catch (AWTException ex) {
          System.err.println("TrayIcon could not be added.");
        }
      }
    });
    Toolkit.getDefaultToolkit().addAWTEventListener(new AWTEventListener() {
      public void eventDispatched(AWTEvent event) {
        if(event instanceof KeyEvent && event.getID() == KeyEvent.KEY_RELEASED) {
          if(DialogUtility.isWaitDialogOn()) {
            return;
          }

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  {
    try {
      Toolkit toolkit = Toolkit.getDefaultToolkit();
      toolkit.getSystemEventQueue();


      AWTEventListener listener = new TestEventListener();


      Frame frame = new Frame();
      Properties props = new Properties();
      JobAttributes jobattrs = new JobAttributes();
      PageAttributes pageattrs = new PageAttributes();

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  try {
    /* Call registerListeners() to make XEmbed focus traversal work */
    Method method = clazz.getMethod("registerListeners", null);
    if (method != null) method.invoke(value, null);
  } catch (Throwable e) {}
  final AWTEventListener awtListener = new AWTEventListener() {
    public void eventDispatched(AWTEvent event) {
      if (event.getID() == WindowEvent.WINDOW_OPENED) {
        final Window window = (Window) event.getSource();
        if (window.getParent() == frame) {
          parent.getDisplay().asyncExec(new Runnable() {

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        } catch (Exception e) {
        }
        
        // Registers a mouse event listener to keep mouse activity within the the
        // picture panel while in line drawing mode. 
        Toolkit.getDefaultToolkit().addAWTEventListener( new AWTEventListener() {
            public void eventDispatched(AWTEvent e) {
                if (pictureFrame.isSelected()) {
                    MouseEvent mouseEvent = (MouseEvent)e;
                    
                    // If a line is being drawn and the mouse event is outside the picture...

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        if (exitOnClose) {
            setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        }
        
        //create the event handler for key preview functionality
        keyEventListener = new AWTEventListener() {
            public void eventDispatched(AWTEvent aWTEvent) {
                if (aWTEvent instanceof KeyEvent) {
                    KeyEvent evt = (KeyEvent)aWTEvent;
                    for (KeyListener kl : getKeyListeners()) {
                        int id = aWTEvent.getID();
                        switch (id) {
                            case KeyEvent.KEY_PRESSED:
                                kl.keyPressed(evt);
                                break;
                            case KeyEvent.KEY_RELEASED:
                                kl.keyReleased(evt);
                                break;
                            case KeyEvent.KEY_TYPED:
                                kl.keyTyped(evt);
                                break;
                            default:
                                System.err.println("Unhandled Key ID: " + id);    
                        }
                    }
                }
            }
        };
        
        idleTimer = new Timer(100, new ActionListener() {
            public void actionPerformed(ActionEvent actionEvent) {
                setIdle(true);
            }
        });
        
        //create the event handler for key preview functionality
        idleListener = new AWTEventListener() {
            public void eventDispatched(AWTEvent aWTEvent) {
                //reset the timer
                idleTimer.stop();
                //if the user is idle, then change to not idle
                if (isIdle()) {

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