[winniejr_99]

try this program and just analyze it. okay??

import java.awt.*;
import java.applet.*;
// import an extra class for the MouseListener
import java.awt.event.*;

// Tells the applet you will be using the MouseListener methods.

public class MouseClickExample extends Applet implements MouseListener
{
// The X-coordinate and Y-coordinate of the last click.
int xpos;
int ypos;

MyMouseListener ml;

// The coordinates of the rectangle we will draw.
// It is easier to specify this here so that we can later
// use it to see if the mouse is in that area.
int rect1xco,rect1yco,rect1width,rect1height;

// The variable that will tell whether or not the mouse
// is in the applet area.
boolean mouseEntered;

// variable that will be true when the user clicked i the rectangle
// the we will draw.
boolean rect1Clicked;

public void init(){
// Assign values to the rectanagle coordinates.
rect1xco = 20;
rect1yco = 20;
rect1width = 100;
rect1height = 50;

// Add the MouseListener to your applet
addMouseListener(ml);
}

public void paint(Graphics g){
// Rectangle's color
g.setColor(Color.green);

g.fillRect(rect1xco,rect1yco,rect1width,rect1heigh t);

g.setColor(Color.red);

// When the user clicks this will show the coordinates of the click
// at the place of the click.
g.drawString("("+xpos+","+ypos+")",xpos,ypos);

// If the click was in the rectangle show this message
if (rect1Clicked) g.drawString("You clicked in the Rectangle",20,120);
// else this one
else g.drawString("You clicked outside of the rectangle",20,120);

if (mouseEntered) g.drawString("Mouse is in the applet area",20,160);
else g.drawString("Mouse is outside the Applet area",20,160);
}

/* These methods always have to present when you implement MouseListener

public void mouseClicked (MouseEvent me) {}
public void mouseEntered (MouseEvent me) {}
public void mousePressed (MouseEvent me) {}
public void mouseReleased (MouseEvent me) {}
public void mouseExited (MouseEvent me) {}
*/

// This method will be called when the mouse has been clicked.
public void mouseClicked (MouseEvent me) {

// Save the coordinates of the click lke this.
xpos = me.getX();
ypos = me.getY();

// Check if the click was inside the rectangle area.
if (xpos > rect1xco && xpos < rect1xco+rect1width && ypos >rect1yco &&
ypos < rect1yco+rect1height) rect1Clicked = true;
// if it was not then rect1Clicked is false;
else
rect1Clicked = false;
//show the results of the click
repaint();

}

// This is called when the mous has been pressed
public void mousePressed (MouseEvent me) {}

// When it has been released
// not that a click also calls these Mouse-Pressed and Released.
// since they are empty nothing hapens here.
public void mouseReleased (MouseEvent me) {}

// This is executed when the mouse enters the applet. it will only
// be executed again when the mouse has left and then re-entered.
public void mouseEntered (MouseEvent me) {
// Will draw the "inside applet message"
mouseEntered = true;
repaint();
}

// When the Mouse leaves the applet.
public void mouseExited (MouseEvent me) {
// will draw the "outside applet message"
mouseEntered = false;
repaint();
}

}