import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class homeWork4 extends JFrame
        implements MouseListener, MouseMotionListener//, ActionsListener;
{
    private JLabel statusBar;
    
    static String ovalString = "Oval";
    static String rectString = "Rectangle";
    
    public homeWork4 ()
    {
        super ("Home Work 4" );
        statusBar = new JLabel ();
        
        JRadioButton ovalButton = new JRadioButton(ovalString);
        JRadioButton rectButton = new JRadioButton(rectString);
        
        Container c = getContentPane ();
        getContentPane ().add (statusBar);
        c.setLayout (new FlowLayout ());
        
        // Create button
        add (new Button ("Clear"));
        
        addMouseListener ( this );
        addMouseMotionListener ( this );
        

        
        setSize ( 640, 480 );
        show ();
    }
    
    
    
    public void mouseClicked (MouseEvent e)
    {}
    public void mouseEntered (MouseEvent e)
    {}
    public void mouseExited (MouseEvent e)
    {}
    public void mouseReleased (MouseEvent e)
    {}
    
    int lastX, lastY;
    boolean hasBeenClicked = false;
    public void mousePressed (MouseEvent e)
    {
        if(hasBeenClicked)
        {
            Graphics g = getGraphics ();
            g.setColor (Color.black);
            g.fillOval (lastX, lastY, e.getX () - lastX, e.getY () - lastY);
            g.drawRect (lastX, lastY, e.getX () - lastX, e.getY () - lastY);
        }
        lastX = e.getX ();
        lastY = e.getY ();
        hasBeenClicked = true;
    }
   
    
    public void mouseDragged ( MouseEvent e )
    {}
    public void mouseMoved ( MouseEvent e )
    {}
    
    public boolean action (Event evt, Object whatAction)
    {
        if(!(evt.target
                instanceof Button))
        {
            return false;
        }
        else
        {
            repaint ();
            hasBeenClicked = false;
            return true;
        }
    }
    
    public static void main ( String args[] )
    {
        homeWork4 app = new homeWork4 ();
        app.addWindowListener (
                new WindowAdapter ()
        {
            public void windowClosing ( WindowEvent e )
            {
                System.exit ( 0 );
            }
        }
        );
    }
}