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Paint.java
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/*
* Author: Havard Rast Blok
* E-mail: 
* Web : www.rememberjava.com
*/
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
/* Every simple drawing program.
*
* MouseInputListener requires JDK 1.4
*/
public class Paint extends JFrame implements MouseInputListener
{
private MyCanvas myCanvas;
private Point p;
public Paint()
{
//super("MouseAction testing program");
setSize(250,250);
myCanvas = new MyCanvas();
getContentPane().add(myCanvas);
//the the mouse event listeners
//remember that MouseInputListener extends both MouseListener and MouseMotionListener
myCanvas.addMouseListener(this);
myCanvas.addMouseMotionListener(this);
setVisible(true);
}
// Methods inherited from MouseListener
public void mouseClicked(MouseEvent e)
{
//System.out.println("MouseAction - mouseClicked");
}
public void mouseEntered(MouseEvent e)
{
//System.out.println("MouseAction - mouseEntered");
}
public void mouseExited(MouseEvent e)
{
//System.out.println("MouseAction - mouseExited");
}
public void mousePressed(MouseEvent e)
{
//System.out.println("MouseAction - mousePressed");
}
public void mouseReleased(MouseEvent e)
{
//System.out.println("MouseAction - mouseReleased");
}
// Methods inherited from MouseMotionListener
public void mouseDragged(MouseEvent e)
{
System.out.println("MouseAction - mouseDragged - e:"+e);
p = e.getPoint();
myCanvas.repaint();
}
public void mouseMoved(MouseEvent e)
{
//System.out.println("MouseAction - mouseMoved");
}
public static void main( String [] args)
{
new Paint();
}
/* Local class to draw on the Canvas
* Remember: this class has access to the local variables
* of the parrent class.
*/
class MyCanvas extends Canvas
{
public void paint(Graphics g)
{
System.out.println("paint");
}
public void update(Graphics g)
{
System.out.println("update");
if( p != null )
{
g.fillRect(p.x, p.y, 1, 1);
}
}
}
}
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