Examples of java.awt.event.MouseWheelListener

java.awt.event.MouseWheelListener
The listener interface for receiving mouse wheel events on a component. (For clicks and other mouse events, use the MouseListener. For mouse movement and drags, use the MouseMotionListener.)
The class that is interested in processing a mouse wheel event implements this interface (and all the methods it contains).
The listener object created from that class is then registered with a component using the component's addMouseWheelListener method. A mouse wheel event is generated when the mouse wheel is rotated. When a mouse wheel event occurs, that object's mouseWheelMoved method is invoked.
For information on how mouse wheel events are dispatched, see the class description for {@link MouseWheelEvent}. @author Brent Christian @see MouseWheelEvent @since 1.4

    help.add("Shift-Click to aim a bullet, or press space.");
    help.add("Scroll to zoom in/out on the mouse position");
    help.add("Press '[' or ']' to change tests, and 'r' to restart.");
    model.setImplSpecificHelp(help);


    panel.addMouseWheelListener(new MouseWheelListener() {
      public void mouseWheelMoved(MouseWheelEvent e) {
        int notches = e.getWheelRotation();
        TestbedTest currTest = model.getCurrTest();
        if (currTest == null) {
          return;

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    // allow use keyboard
    new mxKeyboardHandler(graphComponent);


    // minimap
    graphOutline = new mxGraphOutline(graphComponent);
    MouseWheelListener wheelTracker = new MouseWheelListener() {


      public void mouseWheelMoved(MouseWheelEvent e) {
        if (e.getSource() instanceof mxGraphOutline || e.isControlDown()) {
          if (e.getWheelRotation() < 0) {
            graphComponent.zoomIn();

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  private void addMouseListener() {
//    MouseListener[] ml = getMouseListeners();
//    for (MouseListener mli : ml) {
//      removeMouseListener(mli);
//    }
    addMouseWheelListener(new MouseWheelListener() {
      private int vol;
      private int waitTime = 0;
      private Runnable adjustThread = new Runnable() {
        
        @Override

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      @Override public void mouseMoved(MouseEvent e) {if (linePosition != null) {linePosition = e.getPoint();repaint();}}});
    this.addKeyListener(new KeyListener() {
      @Override public void keyPressed(KeyEvent e) {keypress(e);}
      @Override public void keyReleased(KeyEvent e) {}
      @Override public void keyTyped(KeyEvent e) {}});
    this.addMouseWheelListener(new MouseWheelListener() {
      @Override public void mouseWheelMoved(MouseWheelEvent e) {zoom += e.getWheelRotation();}});
  }

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      @Override public void mouseMoved(MouseEvent e) {if (linePosition != null) {linePosition = e.getPoint();repaint();}}});
    this.addKeyListener(new KeyListener() {
      @Override public void keyPressed(KeyEvent e) {keypress(e);}
      @Override public void keyReleased(KeyEvent e) {}
      @Override public void keyTyped(KeyEvent e) {}});
    this.addMouseWheelListener(new MouseWheelListener() {
      @Override public void mouseWheelMoved(MouseWheelEvent e) {
        if (zoom-e.getWheelRotation() == -10 || zoom-e.getWheelRotation() == 10) return;
        else zoom -= e.getWheelRotation();
        double factor = (e.getWheelRotation() > 0)?0.9:10.0/9.0;
        zoomFactor *= factor;

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    yPos = yMid;
    
    toRecalculate=true;
    
    // En cas d'action sur la molette de la souris
    this.addMouseWheelListener(new MouseWheelListener() {


      @Override
      public void mouseWheelMoved(MouseWheelEvent e) {
        mouseWheelValue -= e.getPreciseWheelRotation() / 10;
        xPos = e.getX();

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      @Override
      public void mouseReleased(MouseEvent e) {
        textArea.append(e.toString() + "\n");
      }
    });
    nativeComponent.addMouseWheelListener(new MouseWheelListener() {
      public void mouseWheelMoved(MouseWheelEvent e) {
        textArea.append(e.toString() + "\n");
      }
    });
    nativeComponent.addKeyListener(new KeyAdapter() {

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      public void mouseExited(final MouseEvent e)
      {
        mouseInView = false;
      }
    });
    addMouseWheelListener(new MouseWheelListener()
    {
      public void mouseWheelMoved(MouseWheelEvent e)
      {
        int notches = e.getWheelRotation();

View Full Code Here

      }
    };
    addMouseListener(bobMouseListener);
    addMouseMotionListener(bobMouseListener);


    bobMouseWheelListener = new MouseWheelListener()
    {
      public void mouseWheelMoved(MouseWheelEvent e)
      {
        int notches = e.getWheelRotation();

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