Source Code
=========
Set your Project as Shown in the above picture...
on.jpg and off.jpg are given below...........
on.jpg
off.jpg
And code:
package canvasclass;
import java.awt.AWTException;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.GraphicsEnvironment;
import java.awt.Image;
import java.awt.Point;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.IOException;
import javax.swing.ImageIcon;
import javax.swing.JPanel;
import javax.swing.JWindow;
/**
*
* @author sreenath
*/
class button extends JPanel implements MouseListener
{
boolean mousepos;
Image img;
int x,y,width,height;
button(int locx,int locy,int wid,int heig)
{
x=locx;
y=locy;
width=wid;
height=heig;
mousepos=false;
this.setSize(width, height);
this.setLocation(x, y);
this.setVisible(true);
this.addMouseListener(this);
}
public void paint(Graphics g)
{
g.clearRect(x, y, width, height);
if(mousepos)
{
img =new ImageIcon(this.getClass().getResource("off.jpg")).getImage();
}
else
{
img =new ImageIcon(this.getClass().getResource("on.jpg")).getImage();
}
g.drawImage(img,0,0,width,height, null);
}
public void mouseClicked(MouseEvent e) {
System.exit(0);
}
public void mousePressed(MouseEvent e) {
}
public void mouseReleased(MouseEvent e) {
}
public void mouseEntered(MouseEvent e) {
mousepos=true;
this.repaint();
}
public void mouseExited(MouseEvent e) {
mousepos=false;
this.repaint();
}
}
public class Main extends JWindow {
int[] pixels = new int[16 * 16];//Inorder to create invisible cursor
button spot;
Main() throws AWTException
{
GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().setFullScreenWindow(this);
this.setAlwaysOnTop(true);
this.setVisible(true);
Robot r=new Robot();
r.mouseMove(0, 0); //move cursor to top left position of screen
spot=new button(750,500,75,75);
this.add(spot);
java.awt.Image image = java.awt.Toolkit.getDefaultToolkit().createImage(new java.awt.image.MemoryImageSource(16, 16, pixels, 0, 16));
Cursor mycursor =Toolkit.getDefaultToolkit().createCustomCursor(image,new Point(0,0), "mycursor"); //transparent cursor
this.setCursor(mycursor);
}
public static void main(String[] args) throws IOException, AWTException {
// TODO code application logic here
new Main();
}
}
