Here you can find the source of forceToScreen(Window window)
public static void forceToScreen(Window window)
//package com.java2s; /**/* w ww . j av a 2s. c o m*/ * The utillib library. * More information is available at http://www.jinchess.com/. * Copyright (C) 2002, 2003 Alexander Maryanovsky. * All rights reserved. * * The utillib library is free software; you can redistribute * it and/or modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * The utillib library 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 Lesser * General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with utillib library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ import java.awt.Dimension; import java.awt.Rectangle; import java.awt.Window; public class Main { /** * Reposition the specified window so that it necessarily fits on the screen, * while trying to minimize changes. */ public static void forceToScreen(Window window) { Dimension screenSize = window.getToolkit().getScreenSize(); Rectangle bounds = window.getBounds(); bounds.width = Math.min(bounds.width, screenSize.width); bounds.height = Math.min(bounds.height, screenSize.height); bounds.x = Math.min(Math.max(bounds.x, 0), screenSize.width - bounds.width); bounds.y = Math.min(Math.max(bounds.y, 0), screenSize.height - bounds.height); window.setBounds(bounds); } }