@param x
	 *            screen X-coordinate
	 * @param y
	 *            screen Y-coordinate
	 * @param absolute
	 *            if <code>true</code>, coordinates are expected to be
	 *            absolute screen coordinates
@param x
	 *            screen X-coordinate
	 * @param y
	 *            screen Y-coordinate
	 * @param absolute
	 *            if <code>true</code>, coordinates are expected to be
	 *            absolute screen coordinates | TextViewerDragAdapter.java