import javax.swing.*;

import java.awt.*;

import java.awt.geom.*;

import java.awt.event.*;

/**

* Main class for game. Does window stuff and display

*/

class MyFrame extends JFrame{

public MyFrame(){

setTitle("MyFrame");

setSize(200,200); // size in pixels

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

}

}

class MyPanel extends JPanel{

Color current = Color.red;

// Handler for Mouse presses and clicks

// Extends MouseAdapator

// (which implements MouseListener with empty methods)

// We use an inner class so we can access to data on JPanel

class MouseHandler extends MouseAdapter{

// call on mouse button down

public void mousePressed(MouseEvent ev){

int x = ev.getX();

int y = ev.getY();

System.out.println("Pressed at " + x + "," + y);

}

public void mouseClicked(MouseEvent ev){

int x = ev.getX();

int y = ev.getY();

System.out.println("Clicked at " + x + "," + y);

if(current.equals(Color.red))

current = Color.blue;

else

current = Color.red;

repaint();

}

}

MyPanel(){

addMouseListener(new MouseHandler());

}

public void paintComponent(Graphics g){

super.paintComponent(g);

// System.out.println("paintComponent");

g.setColor(current);

g.drawString("Hello World",50,50);

}

}

public class FrameTest{

// OK let's have our main() create a frame.

public static void main(String[] args){

MyFrame myframe = new MyFrame();

MyPanel mypanel = new MyPanel();

// Random stuff we just have to do (the book explains, kind of)

Container contentPane = myframe.getContentPane();

// add panel

contentPane.add(mypanel);

myframe.show();

}

}

/*

*/