/* A simple banner applet. This applet creates a thread that scrolls the message contained in msg right to left across the applet's window. */
import java.awt.*;
import java.applet.*;
/*
<applet code="SimpleBanner" width=600 height=300>
</applet>
*/
public class SimpleBanner extends Applet implements Runnable {
String msg = "HELLO";
Thread t = null;
int state;
boolean stopFlag;
// Set colors and initialize thread.
public void init()
{
setBackground(Color.pink);
setForeground(Color.red);
}
// Start thread
public void start()
{
t = new Thread(this);
stopFlag = false;
t.start();
}
// Entry point for the thread that runs the banner.
public void run()
{
char ch;
// Display banner
for( ; ; ) {
try
{
repaint();
Thread.sleep(5000);
ch = msg.charAt(0);
msg = msg.substring(1, msg.length());
msg += ch;
if(stopFlag)
break;
} catch(InterruptedException e) {}
}
}
// Pause the banner.
public void stop()
{
stopFlag = true;
t = null;
}
// Display the banner.
public void paint(Graphics g)
{
g.drawString(msg, 80, 10);
}
}
No comments:
Post a Comment