/* * Copyright (c) 1995-1997 Sun Microsystems, Inc. All Rights Reserved. * * Permission to use, copy, modify, and distribute this software * and its documentation for NON-COMMERCIAL purposes and without * fee is hereby granted provided that this copyright notice * appears in all copies. Please refer to the file "copyright.html" * for further important copyright and licensing information. * * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. */ import java.awt.Graphics; public class TimingIsEverything extends java.applet.Applet { public long firstClickTime = 0; public String displayStr; public void init() { displayStr = "Double Click Me"; } public void paint(Graphics g) { g.drawRect(0, 0, size().width-1, size().height-1); g.drawString(displayStr, 40, 30); } public boolean mouseDown(java.awt.Event evt, int x, int y) { long clickTime = System.currentTimeMillis(); long clickInterval = clickTime - firstClickTime; if (clickInterval < 200) { displayStr = "Double Click!! (Interval = " + clickInterval + ")"; firstClickTime = 0; } else { displayStr = "Single Click!!"; firstClickTime = clickTime; } repaint(); return true; } }