Исходный текст программы MouseMonitor.java

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// ==========================================
// MouseMonitor.java
//(C) Alexandr Frolov, 1998
// E-mail: frolov@glasnet.ru
// Web:    http://www.glasnet.ru/~frolov 
// ==========================================

import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;

// =======================================
// Class MouseMonitor
// =======================================
public class MouseMonitor
{
  // =======================================
  // main
  // =======================================
  public static void main(String args[])
  {
    FrameWindow frame;
    
    frame =  new FrameWindow("Mouse monitor");
    frame.init();
    frame.show();
  }
}

// =======================================
// Class FrameWindow
// =======================================
class FrameWindow extends Frame
  implements MouseListener, WindowListener
{
  // ============================================
  // FrameWindow
  // ============================================
  public FrameWindow(String szTitle)
  {
    super(szTitle);
    setSize(200, 200);
    setBackground(Color.yellow);
    setForeground(Color.black);
  }

  // ============================================
  // init
  // ============================================
  public void init()
  {
    this.addMouseListener(this);
    this.addWindowListener(this);
  }

  // ============================================
  // paint
  // ============================================
  public void paint(Graphics g)
  {
    super.paint(g);
  }
  
  // ============================================
  // mousePressed
  // ============================================
  public void mousePressed(MouseEvent e)
  {
    Graphics g = getGraphics();
    String s="";
    
    s = "[" + e.getX() + "," + e.getY() + "]";
    
    int m = e.getModifiers();
    switch(m)
    {
      case MouseEvent.BUTTON1_MASK:
      {
	s += " left";
	break;
      }
      case MouseEvent.BUTTON2_MASK:
      {
	s += " middle";
	break;
      }
      case MouseEvent.BUTTON3_MASK:
      {
	s += " right";
	break;
      }
    }
    
    int clicks = e. getClickCount();
    
    if(clicks > 1)
    {
      repaint();
      return;
    }  
    
    g.drawString(s, e.getX(), e.getY());
  }

  // ============================================
  // mouseReleased
  // ============================================
  public void mouseReleased(MouseEvent e)
  {
  }
  
  // ============================================
  // mouseClicked
  // ============================================
  public void mouseClicked(MouseEvent e)
  {
  }
  
  // ============================================
  // mouseMoved
  // ============================================
  public void mouseMoved(MouseEvent e)
  {
  }
  
  // ============================================
  // mouseDragged
  // ============================================
  public void mouseDragged(MouseEvent e)
  {
  }
  
  // ============================================
  // mouseEntered
  // ============================================
  public void mouseEntered(MouseEvent e)
  {
  }
  
  // ============================================
  // mouseExited
  // ============================================
  public void mouseExited(MouseEvent e)
  {
  }
        
  // ============================================
  // windowClosing
  // ============================================
  public void windowClosing(WindowEvent e)
  {
    setVisible(false);
    System.exit(0);
  }
  
  public void windowOpened(WindowEvent e) {}
  public void windowClosed(WindowEvent e) {}
  public void windowIconified(WindowEvent e) {}
  public void windowDeiconified(WindowEvent e) {}
  public void windowActivated(WindowEvent e) {}
  public void windowDeactivated(WindowEvent e) {}
}

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