There are 4 code examples for java.awt.event.MouseWheelEvent.

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/** 
 * Handle the case where a plot implements the {@link Zoomable} interface.
 * @param zoomable  the zoomable plot.
 * @param e  the mouse wheel event.
 */
private void handleZoomable(Zoomable zoomable,MouseWheelEvent e){
  ChartRenderingInfo info=this.chartPanel.getChartRenderingInfo();
  PlotRenderingInfo pinfo=info.getPlotInfo();
  Point2D p=this.chartPanel.translateScreenToJava2D(e.getPoint());
  if (!pinfo.getDataArea().contains(p)) {
    return;
  }
  Plot plot=(Plot)zoomable;
  boolean notifyState=plot.isNotify();
  plot.setNotify(false);
  int clicks=e.getWheelRotation();
  double zf=1.0 + this.zoomFactor;
  if (clicks < 0) {
    zf=1.0 / zf;
  }
  if (chartPanel.isDomainZoomable()) {
    zoomable.zoomDomainAxes(zf,pinfo,p,true);
  }
  if (chartPanel.isRangeZoomable()) {
    zoomable.zoomRangeAxes(zf,pinfo,p,true);
  }
  plot.setNotify(notifyState);
}
 

/** 
 * Construct a new board view for the specified game
 */
public BoardView1(IGame game) throws IOException {
  this.game=game;
  tileManager=new TilesetManager(this);
  game.addGameListener(gameListener);
  game.getBoard().addBoardListener(this);
  scheduleRedrawTimer();
  addKeyListener(this);
  addMouseListener(this);
  addMouseMotionListener(this);
  addMouseWheelListener(new MouseWheelListener(){
    public void mouseWheelMoved(    MouseWheelEvent we){
      if (GUIPreferences.getInstance().getMouseWheelZoom()) {
        if (we.getWheelRotation() > 0) {
          zoomIn();
        }
 else {
          zoomOut();
        }
      }
    }
  }
);
  zoomIndex=GUIPreferences.getInstance().getMapZoomIndex();
  checkZoomIndex();
  scale=ZOOM_FACTORS[zoomIndex];
  updateFontSizes();
  updateBoardSize();
  tipWindow=new Window(new Frame());
  hex_size=new Dimension((int)(HEX_W * scale),(int)(HEX_H * scale));
  initPolys();
  cursorSprite=new CursorSprite(Color.cyan);
  highlightSprite=new CursorSprite(Color.white);
  selectedSprite=new CursorSprite(Color.blue);
  firstLOSSprite=new CursorSprite(Color.red);
  secondLOSSprite=new CursorSprite(Color.red);
  PreferenceManager.getClientPreferences().addPreferenceChangeListener(this);
  SpecialHexDisplay.Type.ARTILLERY_HIT.init(getToolkit());
  SpecialHexDisplay.Type.ARTILLERY_INCOMING.init(getToolkit());
  SpecialHexDisplay.Type.ARTILLERY_TARGET.init(getToolkit());
  SpecialHexDisplay.Type.ARTILLERY_ADJUSTED.init(getToolkit());
  SpecialHexDisplay.Type.ARTILLERY_AUTOHIT.init(getToolkit());
}
 

public void mouseWheelMoved(MouseWheelEvent we){
  if (GUIPreferences.getInstance().getMouseWheelZoom()) {
    if (we.getWheelRotation() > 0) {
      zoomIn();
    }
 else {
      zoomOut();
    }
  }
}
 

public void mouseWheelMoved(MouseWheelEvent we){
  Point mousePoint=we.getPoint();
  for (int i=0; i < displayables.size(); i++) {
    IDisplayable disp=displayables.get(i);
    if (!(disp instanceof ChatterBox2)) {
      break;
    }
    double width=Math.min(boardSize.getWidth(),scrollpane.getViewport().getSize().getWidth());
    double height=Math.min(boardSize.getHeight(),scrollpane.getViewport().getSize().getHeight());
    Dimension drawDimension=new Dimension();
    drawDimension.setSize(width,height);
    if (disp.isMouseOver(mousePoint,drawDimension)) {
      ChatterBox2 cb2=(ChatterBox2)disp;
      if (we.getWheelRotation() > 0) {
        cb2.scrollDown();
      }
 else {
        cb2.scrollUp();
      }
      refreshDisplayables();
      return;
    }
  }
  if (GUIPreferences.getInstance().getMouseWheelZoom()) {
    if (we.getWheelRotation() > 0) {
      zoomIn();
    }
 else {
      zoomOut();
    }
  }
 else {
    int notches=we.getWheelRotation();
    if (notches < 0) {
      vbar.setValue((int)(vbar.getValue() - (HEX_H * scale * (-1 * notches))));
    }
 else {
      vbar.setValue((int)(vbar.getValue() + (HEX_H * scale * (notches))));
    }
  }
}
 

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