Miscellany

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import javax.swing.event.*;



public class myJPanel extends JPanel implements MouseListener, MouseMotionListener, ActionListener, ChangeListener, KeyListener

{

	private Graphics g = null;

	//private Timer tim;

	//private int delay=1;

	private int startx=0, starty=0;

	private int LineThickness = 25;

	private Color myColor = Color.BLUE;

	private JButton btnLineThickness;

	private JTextField txtLineThickness;

	private Graphics drawing;

	JButton b;

    

	public myJPanel()

	{

		super();

		

		//create the timer.

		//tim = new Timer(delay, this);

	    //tim.addActionListener(this);

	    //tim.start();

		

		addMouseListener(this); 

		setLayout(new BorderLayout());

		addMouseMotionListener(this);

		

		//line thickness box

		txtLineThickness = new JTextField("Frames: 0", 10);

		btnLineThickness = new JButton("Change Line Thickness");

		btnLineThickness.addActionListener(this);

        

		b = new JButton("");

		b.addKeyListener(this);

	    b.requestFocusInWindow();

	    

		//create the new panel, and add the buttons

        JPanel colorPanel = new JPanel();

        colorPanel.add(txtLineThickness);

        

        //keys

		colorPanel.add(b);

        

        //add to the panel

        add(colorPanel, BorderLayout.SOUTH);

        drawing = getGraphics();

	}



	/*****************

	 * Paint

	 *****************/

	public void paintComponent(Graphics g) 

	{		

		g = getGraphics();

		g.setColor(myColor);

    	g.fillOval(startx,starty,LineThickness, LineThickness);

    	repaint();

	}

	

	/***********************

	 * Regular Actions

	 ***********************/

	public void actionPerformed(ActionEvent event) 

    {

		Object obj = event.getSource();

		

		//if(obj == tim)

     	//{	

			//repaint();

     	//}

	}	

	

	/*****************

	 * Mouse Events

	 *****************/

	public void mouseDragged(MouseEvent pt) 

    {

		startx = pt.getX();

		starty = pt.getY();

    }

		

    public void mouseClicked(MouseEvent e){}      

    public void mouseMoved(MouseEvent pt){}   

	public void mousePressed(MouseEvent e) {}

	public void mouseReleased(MouseEvent e) {}

	public void mouseEntered(MouseEvent e) {}

	public void mouseExited(MouseEvent e) {}

	public void stateChanged(ChangeEvent event) {}

	

	public void keyPressed(KeyEvent e) 

	{

		int x = e.getKeyCode();

		

		//left arrow

		if(x ==  e.VK_LEFT) 

	    {

	    	startx = startx - 25;

	    }

		

		//Right arrow

		if(x ==  e.VK_RIGHT) 

	    {

	    	startx= startx + 25;

	    }

	   

	    //Space

	    if(x ==  e.VK_SPACE) 

	    {

	    	//code for space goes here.

	    }

	}

	

	public void keyReleased(KeyEvent e) {  }

	public void keyTyped(KeyEvent e) {  }

}