Java Code Examples for org.eclipse.swt.widgets.Control#getBounds()

public static Point calculateControlPosition( Control control ) {
  // Calculate the exact location...
  //
  Rectangle r = control.getBounds();
  Point p = control.getParent().toDisplay( r.x, r.y );

  return p;

  /*
   * Point location = control.getLocation();
   *
   * Composite parent = control.getParent(); while (parent!=null) {
   *
   * Composite newParent = parent.getParent(); if (newParent!=null) { location.x+=parent.getLocation().x;
   * location.y+=parent.getLocation().y; } else { if (parent instanceof Shell) { // Top level shell. Shell shell =
   * (Shell)parent; Rectangle bounds = shell.getBounds(); Rectangle clientArea = shell.getClientArea(); location.x +=
   * bounds.width-clientArea.width; location.y += bounds.height-clientArea.height; } } parent = newParent; }
   *
   * return location;
   */
}
 

/**
 * @see org.eclipse.swt.events.MouseListener#mouseDown(org.eclipse.swt.events.MouseEvent)
 */
@Override
public void mouseDown(MouseEvent e) {
  Control theControl = (Control) e.widget;

  Display display = theControl.getDisplay();
  Shell tip = new Shell(theControl.getShell(), SWT.ON_TOP | SWT.TOOL);
  tip.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
  FillLayout layout = new FillLayout();
  layout.marginHeight = 1;
  layout.marginWidth = 2;
  tip.setLayout(layout);
  Label label = new Label(tip, SWT.NONE);
  label.setForeground(display.getSystemColor(SWT.COLOR_INFO_FOREGROUND));
  label.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));

  label.setText(theControl.getToolTipText());
  label.addMouseTrackListener(this);
  Point size = tip.computeSize(SWT.DEFAULT, SWT.DEFAULT);
  Rectangle rect = theControl.getBounds();
  Point pt = theControl.getParent().toDisplay(rect.x, rect.y);
  tip.setBounds(pt.x, pt.y, size.x, size.y);
  tip.setVisible(true);
}
 

/**
 * Creates an <code>Image</code> from the specified <code>Control</code>
 * (widget).
 * 
 * @param control
 *            The <code>Control</code> to convert to an <code>Image</code>.
 * @return An <code>Image</code> of the specified <code>Control</code>.
 */
private static Image createImage(Control control) {

	// We have to create a separate Image per combination of
	// checked/unchecked (of course). We also have to create a single GC per
	// Image (not so obvious, but re-using them does not appear to work well
	// and does not sync with the UI thread properly, so you get the same
	// image multiple times [but not all the time]).

	Image image = new Image(control.getDisplay(), control.getBounds());
	GC gc = new GC(image);
	control.print(gc);
	gc.dispose();

	return image;
}
 

/**
 * @deprecated
 * @param w
 * @param duration
 * @param movement
 * @param onStop
 * @param onCancel
 */
public void grow(AnimationRunner runner, Control w, int duration,
		IMovement movement, Runnable onStop, Runnable onCancel) {
	IEffect effect = new GrowEffect(w, w.getBounds(), new Rectangle(w
			.getBounds().x + 10, w.getBounds().y + 10,
			w.getBounds().width + 10, w.getBounds().height + 10), duration,
			movement, onStop, onCancel);
	runner.runEffect(effect);
}
 

/**
 * @deprecated
 * @param w
 * @param duration
 * @param movement
 * @param onStop
 * @param onCancel
 */
public void grow(AnimationRunner runner, Control w, int duration,
		IMovement movement, Runnable onStop, Runnable onCancel) {
	IEffect effect = new Grow(w, w.getBounds(), new Rectangle(w
			.getBounds().x + 10, w.getBounds().y + 10,
			w.getBounds().width + 10, w.getBounds().height + 10), duration,
			movement, onStop, onCancel);
	runner.runEffect(effect);
}
 

AnimatedGIFRunner(
      Control control, 
      ImageLoader imageLoaderGIF, 
      final Image backgroundImage){
   
   this.control = control;
   controlGC = new GC(control);
   shellBackground = control.getBackground();
   this.imageLoader = imageLoaderGIF;
   this.imageDataArray = imageLoader.data;
   if(imageDataArray == null || imageDataArray.length < 2){
      throw new RuntimeException("Illegal ImageLoader.");
   }
   isStopped = false;
   this.backgroundImage = backgroundImage;
   Rectangle ctrR = control.getBounds();
   positionX = (ctrR.width - CoreConstants.IMAGES_HEIGHT)/2;
   positionY = (ctrR.height - CoreConstants.IMAGES_HEIGHT)/2;

   control.addPaintListener(new PaintListener() {
      public void paintControl( PaintEvent e){
         GC graphics = e.gc;
         if(!graphics.isDisposed()) {
            graphics.drawImage(backgroundImage, positionX, positionY);
            graphics.dispose();
         }
      }
   });
}
 

private void drawBorderAround(Control c, GC gc)
{
  int sh = getChildBorder(c);
  if(sh == SWT.SHADOW_NONE) return;

  Display disp = getDisplay();
  Color shadow = disp.getSystemColor(SWT.COLOR_WIDGET_NORMAL_SHADOW);
  Color highlight = disp.getSystemColor(SWT.COLOR_WIDGET_HIGHLIGHT_SHADOW);
  if(shadow == null || highlight == null) return;
  Rectangle r = c.getBounds();

  switch(sh)
  {
    case SWT.SHADOW_IN:
      drawBevelRect(gc, r.x-1, r.y-1, r.width+1, r.height+1, shadow, highlight);
      break;

    case SWT.SHADOW_OUT:
      drawBevelRect(gc, r.x-1, r.y-1, r.width+1, r.height+1, highlight, shadow);
      break;

    case SWT.SHADOW_ETCHED_IN:
      drawBevelRect(gc, r.x-1, r.y-1, r.width+1, r.height+1, highlight, shadow);
      drawBevelRect(gc, r.x-2, r.y-2, r.width+3, r.height+3, shadow, highlight);
      break;

    case SWT.SHADOW_ETCHED_OUT:
      drawBevelRect(gc, r.x-1, r.y-1, r.width+1, r.height+1, shadow, highlight);
      drawBevelRect(gc, r.x-2, r.y-2, r.width+3, r.height+3, highlight, shadow);
      break;
  }
}
 

/**
 * Save the image, This default implementation save the canvas as a PNG image.
 *
 * @param filename
 *            the file to write to
 * @param format
 *            the image format, specified in {@link SWT} constants
 *            ({@link SWT#IMAGE_PNG}, {@link SWT#IMAGE_GIF},
 *            {@link SWT#IMAGE_JPEG} or {@link SWT#IMAGE_BMP}).
 */
default void saveImage(String filename, int format) {
    Control control = getControl();
    Image image = new Image(Display.getDefault(), control.getBounds());
    GC gc = new GC(image);
    control.print(gc);
    gc.dispose();
    ImageData data = image.getImageData();
    ImageLoader loader = new ImageLoader();
    loader.data = new ImageData[] { data };
    loader.save(filename, format);
    image.dispose();
}
 

public static Point calculateControlPosition( Control control ) {
  // Calculate the exact location...
  //
  Rectangle r = control.getBounds();
  return control.getParent().toDisplay( r.x, r.y );
}