import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class HelloJava2
{
public static void main( String[] args ) {
JFrame frame = new JFrame( "HelloJava2" );
frame.add( new HelloComponent2("Hello Java!") );
frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
frame.setSize( 300, 300 );
frame.setVisible( true );
}
}
class HelloComponent2 extends JComponent
implements MouseMotionListener
{
String theMessage;
int messageX = 125, messageY = 95; // Coordinates of the message
public HelloComponent2( String message ) {
theMessage = message;
addMouseMotionListener(this);
}
public void paintComponent( Graphics g ) {
g.drawString(theMessage, messageX, messageY);
}
public void mouseDragged(MouseEvent e) {
// Save the mouse coordinates and paint the message.
messageX = e.getX();
messageY = e.getY();
repaint();
}
public void mouseMoved(MouseEvent e) { }
}
|