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;
}
}
|