mouseExited
mousePressed
mouseReleased
mouseClicked
Applet : Application displays three canvas with Red, Green and Cyan color. On selecting particular canvas the background color is changed to that canvas color.
import java.awt.*;
import java.awt.event.*;
public class FrameMouseCanvas extends Applet implements MouseListener
{
Canvas c1,c2,c3;
public void init()
{
c1=new Canvas();
c2=new Canvas();
c3=new Canvas();
add(c1);
add(c2);
add(c3);
c1.setSize(100,100);
c2.setSize(100,100);
c3.setSize(100,100);
c1.setBackground(Color.red);
c2.setBackground(Color.green);
c3.setBackground(Color.cyan);
c1.addMouseListener(this);
c2.addMouseListener(this);
c3.addMouseListener(this);
}
public void mouseEntered(MouseEvent e)
{
if(e.getSource()==c1)
{
setBackground(Color.red);
}
else if(e.getSource()==c2)
{
setBackground(Color.green);
}
else if(e.getSource()==c3)
{
setBackground(Color.cyan);
}
}
public void mouseExited(MouseEvent e)
{
if(e.getSource()==c1||e.getSource()==c2||e.getSource()==c3)
{
setBackground(Color.white);
}
}
public void mousePressed(MouseEvent e)
{
}
public void mouseClicked(MouseEvent e)
{
}
public void mouseReleased(MouseEvent e)
{
}
}
Click new -> File -> html and save this file as FrameMouseCanvas.html
<BODY>
<Applet code=FrameMouseCanvas.class height=200 width=400 >
</Applet>
</BODY>
Application : In first TextArea user perform any MouseAction, simultaneously the action name should appear in the second TextArea along with the location(row and column number).
import java.awt.*;
import java.awt.event.*;
class FrameMouseAction implements MouseListener
{
Frame f;
TextArea ta1, ta2;
FrameMouseAction()
{
f = new Frame();
ta1=new TextArea(20,20);
ta2=new TextArea(20,20);
f.add(ta1);
f.add(ta2);
f.setLayout(new FlowLayout());
ta1.addMouseListener(this);
f.setSize(400,400);
f.setVisible(true);
}
public void mouseEntered(MouseEvent e)
{
int x = e.getX();
int y = e.getY();
ta2.append("Entered"+" at "+x+","+y+"\n");
}
public void mouseExited(MouseEvent e)
{
int x = e.getX();
int y = e.getY();
ta2.append("Exited"+" at "+x+","+y+"\n");
}
public void mousePressed(MouseEvent e)
{
int x = e.getX();
int y = e.getY();
ta2.append("Pressed"+" at "+x+","+y+"\n");
}
public void mouseClicked(MouseEvent e)
{
int x = e.getX();
int y = e.getY();
ta2.append("Clicked"+" at "+x+","+y+"\n");
}
public void mouseReleased(MouseEvent e)
{
int x = e.getX();
int y = e.getY();
ta2.append("Released"+" at "+x+","+y+"\n");
}
public static void main(String [] args)
{
FrameMouseAction x = new FrameMouseAction();
}
}
