Examples of org.eclipse.swt.events.PaintListener

org.eclipse.swt.events.PaintListener
Classes which implement this interface provide methods that deal with the events that are generated when the control needs to be painted.
After creating an instance of a class that implements this interface it can be added to a control using the addPaintListener method and removed using the removePaintListener method. When a paint event occurs, the paintControl method will be invoked.
@see PaintEvent

   * @param style
   *            The SWT style
   */
  public CoatOfArmsViewer(Composite parent, int style) {
    super(parent, style);
    this.addPaintListener(new PaintListener() {


      @Override
      public void paintControl(PaintEvent event) {
        Image image = new Image(getDisplay(), getClientArea());
        drawOnGC(data, image, image.getBounds().width / 2,

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      @Override
      public void mouseUp(MouseEvent e) {
        // Do nothing
      }
    });
    this.addPaintListener(new PaintListener() {
      @Override
      public void paintControl(PaintEvent event) {
        Image image = new Image(getDisplay(), getClientArea());
        GC gc = new GC(image);
        gc.setBackground(new Color(getDisplay(), 0, 0, 0));

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        previewCanvasGD.minimumHeight = PREVIEWHEIGHT;
        previewCanvasGD.minimumWidth = PREVIEWWIDTH;
        previewCanvas.setSize(PREVIEWWIDTH, PREVIEWHEIGHT);
        previewCanvas.setBackground(white);
        previewCanvas.setLayoutData(previewCanvasGD);
        previewCanvas.addPaintListener(new PaintListener(){
            public void paintControl( PaintEvent e ) {
                if (previewImage == null) {
                    Display display = Display.getDefault();
                    previewImage = new Image(display, PREVIEWWIDTH, PREVIEWHEIGHT);
                }

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        previewCanvasGD.minimumHeight = PREVIEWHEIGHT;
        previewCanvasGD.minimumWidth = PREVIEWWIDTH;
        previewCanvas.setSize(PREVIEWWIDTH, PREVIEWHEIGHT);
        previewCanvas.setBackground(white);
        previewCanvas.setLayoutData(previewCanvasGD);
        previewCanvas.addPaintListener(new PaintListener(){
            public void paintControl( PaintEvent e ) {
                if (previewImage == null) {
                    Display display = Display.getDefault();
                    previewImage = new Image(display, PREVIEWWIDTH, PREVIEWHEIGHT);
                }

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        previewCanvasGD.minimumHeight = PREVIEWHEIGHT;
        previewCanvasGD.minimumWidth = PREVIEWWIDTH;
        previewCanvas.setSize(PREVIEWWIDTH, PREVIEWHEIGHT);
        previewCanvas.setBackground(white);
        previewCanvas.setLayoutData(previewCanvasGD);
        previewCanvas.addPaintListener(new PaintListener(){
            public void paintControl( PaintEvent e ) {
                if (previewImage == null) {
                    Display display = Display.getDefault();
                    previewImage = new Image(display, PREVIEWWIDTH, PREVIEWHEIGHT);
                }

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        canvas = new Canvas(overviewGroups, SWT.NONE);
        GridData gd2 = new GridData(SWT.FILL, SWT.FILL, false, false);
        gd2.widthHint = 250;
        gd2.heightHint = 121;
        canvas.setLayoutData(gd2);
        canvas.addPaintListener(new PaintListener(){


            public void paintControl( PaintEvent e ) {
                Rectangle canvasBounds = canvas.getBounds();
                Rectangle imageBounds = worldImage.getBounds();
                int h = (int) ((float) canvasBounds.width * (float) imageBounds.height / (float) imageBounds.width);

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      this.tab = tab;
      hover = false;
      selected = false;
      this.index = index;


      addPaintListener(new PaintListener() {


        public void paintControl(PaintEvent e) {
          paint(e);
        }
      });

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     * @param parent
     *            the parent Composite.
     */
    public TopNavigationElement(Composite parent) {
      super(parent, SWT.NO_FOCUS);
      addPaintListener(new PaintListener() {


        public void paintControl(PaintEvent e) {
          paint(e);
        }
      });

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     * @param parent
     *            the parent Composite.
     */
    public BottomNavigationElement(Composite parent) {
      super(parent, SWT.NO_FOCUS);
      addPaintListener(new PaintListener() {


        public void paintControl(PaintEvent e) {
          paint(e);
        }
      });

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     */
    public FeaturePanelTitle( Composite parent, FeaturePanelWidgetFactory factory ) {
        super(parent, SWT.NO_FOCUS);
        this.factory = factory;


        this.addPaintListener(new PaintListener(){


            public void paintControl( PaintEvent e ) {
                if (image == null && (text == null || text.equals(BLANK))) {
                    label.setVisible(false);
                } else {

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