Bug 100688 [JFace] Geometry.setLocation does not behave as documented
Geometry.setLocation incorrectly modifies the size of the rectangle, when it should modify the origin.
bundles/org.eclipse.jface/src/org/eclipse/jface/util/Geometry.java
* rectangle. 
     * 
     * @param rect rectangle to modify
     * @since 3.0
     */
    public static void normalize(Rectangle rect) {
        if (rect.width < 0) {
            rect.width = -rect.width;
            rect.x -= rect.width;
        }
        if (rect.height < 0) {
            rect.height = -rect.height;
            rect.y -= rect.height;
        }
    }
    /**
     * Converts the given rectangle from display coordinates to the local coordinate system 
     * of the given object into display coordinates.
     * 
     * @param coordinateSystem local coordinate system being converted to
     * @param toConvert rectangle to convert
     * @return a rectangle in control coordinates
     * @since 3.0
     */
    public static Rectangle toControl(Control coordinateSystem,
            Rectangle toConvert) {
    	return(coordinateSystem.getDisplay().map
    			(null,coordinateSystem,toConvert));
    }
    /**