Mouse dragg not working

[Preethi]

i tried to drag my rectangle..But my code is not working....
can anyone help me please...

import javax.swing.*;
import java.awt.*;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.event.*;
import java.awt.font.FontRenderContext;

public class Mousedragg extends javax.swing.JApplet  {
   

    
    public void init() {
        Container cont = getContentPane();
        cont.setLayout(new BorderLayout());
        setPreferredSize(new Dimension(300, 300));
        JScrollPane scroll = new JScrollPane();
        getContentPane().add(scroll, BorderLayout.CENTER);
        scroll.getViewport().add(new Imagepanel());
        
        
    }
 
    private class Imagepanel extends JPanel implements MouseListener,MouseMotionListener   
    {
        Imagepanel image;
        JScrollPane scroll = new JScrollPane();
        boolean selected= false;
        boolean selected1= false;
        private boolean canDrag = false;
        int x,y,w,h;
        Rectangle r =  new Rectangle(x,y,w,h);
        
        Imagepanel() 
        {
            setPreferredSize(new Dimension(32910, 32710));
            scroll = new JScrollPane();
            add(scroll);
            addMouseListener(this);
            addMouseMotionListener(this);
            Imagepanel imagepanel ;
            
        }
 
        protected void paintComponent(Graphics g) 
        {
            Graphics2D g2 = (Graphics2D)g;
           x= 40;
           y =20;
           w = 15;
           h =10;
                 
           
            for(int i=0;i<5;i++)
            {
                g2.fillRect(x,y,w,h);
                g2.fill(r);
                 x +=30;
            }
        }
 

        
        public void mouseClicked(MouseEvent e) 
        {

        }
 
        private void imagePaneMouseClicked(MouseEvent e)
        {
            Point  p = e.getPoint();
            if(r.contains(p))
            {
                if(!selected)
                {
                    canDrag = true;
                    repaint();
                }
                
            }
            
        }
        public void mousePressed(MouseEvent e) 
        {
                        imagePaneMouseClicked(e);
        }
        public void mouseDragged(MouseEvent e) 
        {
            Point p = e.getPoint();
            if(canDrag == true)
            {
                int x = e.getX();
                int y = e.getY();
                int w = (int)r.getHeight();
                r.setLocation(x,y);
                repaint();
            }
        }
        public void mouseMoved(MouseEvent e) 
        {  
         
        }

        public void mouseReleased(MouseEvent e) {
            canDrag = false;
        }

        public void mouseEntered(MouseEvent e) {
        }

        public void mouseExited(MouseEvent e) {
        }
        }
    }

[Preethi]

can anyone help me?