Here you can find the source of getVisibleBoundsOnScreen(JComponent component)
Rectangle
public static Rectangle getVisibleBoundsOnScreen(JComponent component)
//package com.java2s; /*/*from w w w. j av a 2 s.c o m*/ * DataViewerUtilities.java 2/6/13 1:04 PM * * Copyright (C) 2012-2013 Nick Ma * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 3 * of the License, or any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ import java.awt.*; import javax.swing.*; public class Main { /** * Returns the specified component's visible bounds within the screen. * * @return the component's visible bounds as a <code>Rectangle</code> */ public static Rectangle getVisibleBoundsOnScreen(JComponent component) { Rectangle visibleRect = component.getVisibleRect(); Point onScreen = visibleRect.getLocation(); SwingUtilities.convertPointToScreen(onScreen, component); visibleRect.setLocation(onScreen); return visibleRect; } }