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

  //  GLOBAL.shapePack.CAM_OFFSET_X += 100;
  //  GLOBAL.shapePack.CAM_OFFSET_Y += 100;


  //  GLOBAL.shapePack.ZOOM = 1.5f;


    addMouseWheelListener(new MouseWheelListener() {
      public void mouseWheelMoved(MouseWheelEvent e) {
        int notches = e.getWheelRotation();
        if(!GLOBAL.gui.hasFocus()){
          if (GLOBAL.uiTools.currentView == GLOBAL.uiTools.VIEW_CHAIR_EDIT)
            GLOBAL.uiTools.zoomView((notches / 10f));

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    ortho();
      textFont(gui.myFontMedium);
      frameRate(200);


    hint(PApplet.DISABLE_STROKE_PERSPECTIVE);
    addMouseWheelListener(new MouseWheelListener() {
    
      public void mouseWheelMoved(MouseWheelEvent e) {
        int notches = e.getWheelRotation();
        if (notches < 0) {
          sketch.getSketchGlobals().zoom -= (notches / 10f);

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        getVerticalScrollBar().setBlockIncrement(50);
        getVerticalScrollBar().setUnitIncrement(10);


        // Replace the default scrolling by our custom listener.
        setWheelScrollingEnabled(false);
        addMouseWheelListener(new MouseWheelListener() {
            @Override
            public void mouseWheelMoved(MouseWheelEvent event) {
                if (event.isControlDown()) {
                    // Control + wheel: zoom.
                    if (event.getWheelRotation() > 0) {

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        final RTextScrollPane scroller = new RTextScrollPane(textArea);
        scroller.setWheelScrollingEnabled(false);
        gutter = scroller.getGutter();


        scroller.addMouseWheelListener(new MouseWheelListener() {
            @Override
            public void mouseWheelMoved(MouseWheelEvent event) {
                if (event.isControlDown()) {
                    // Control + wheel: zoom.
                    if (event.getWheelRotation() > 0) {

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                public void mouseMoved(MouseEvent event) {
                    printEvent(event);
                }
            });
            label.addMouseWheelListener(new MouseWheelListener() {
                public void mouseWheelMoved(MouseWheelEvent event) {
                    printEvent(event);
                }
            });
        }

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        desktopPane.setBackground(new Color(0x4169AA));
        desktopPane.setDesktopManager(new PicEditDesktopManager(desktopPane.getDesktopManager()));
        desktopPane.add(activePictureFrame);
        desktopPane.setFocusable(false);
        desktopPane.setPreferredSize(new Dimension(700, 440));
        desktopPane.addMouseWheelListener(new MouseWheelListener() {
          public void mouseWheelMoved(MouseWheelEvent event) {
            getPictureFrame().getMouseHandler().mouseWheelMoved(event);
          }
        });
        desktopPanel.add(desktopPane, BorderLayout.CENTER);

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   private void removeMouseWheelListeners()
   {
      MouseWheelListener[] listeners = getMouseWheelListeners();
      for (int i = 0; i < listeners.length; i++)
      {
         MouseWheelListener listener = listeners[i];
         removeMouseWheelListener(listener);
      }
   }

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            JScrollPane scrollPane = (JScrollPane) tcTable.getParent().getParent();
            JScrollBar scrollbar = scrollPane.getVerticalScrollBar();
            if (scrollbar != null) {
                if (scrollbar.getMouseListeners().length == 1) {
                    scrollPane.addMouseWheelListener(new MouseWheelListener() {


                        public void mouseWheelMoved(MouseWheelEvent e) {
                            userScrollPosition = true;
                        }
                    });

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        // check if the user has change the scrolling position
        JScrollPane scrollPane = (JScrollPane) m_LogTable.getParent().getParent();
        JScrollBar scrollbar = scrollPane.getVerticalScrollBar();
        if (scrollbar != null) {
            if (scrollbar.getMouseListeners().length == 1) {
                scrollPane.addMouseWheelListener(new MouseWheelListener() {


                    public void mouseWheelMoved(MouseWheelEvent e) {
                        m_UserScrollPosition = true;
                    }
                });

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   * 
   */
  protected void installListeners()
  {
    // Installs mouse wheel listener for zooming
    MouseWheelListener wheelTracker = new MouseWheelListener()
    {
      /**
       * 
       */
      public void mouseWheelMoved(MouseWheelEvent e)

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