Question

Java question so right now this code is work perfectly the problem is I also want to know if possible to get the X and Y value outside the JFrame?

import java.awt.FlowLayout;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.JFrame;
import javax.swing.JLabel;

public class MouseEventDemo extends JFrame implements MouseListener { //It is a class which generate a JFrame and implements MouseListener interface
//These all are text that show x , y coordinates on mouse click event
JLabel lclick;
JLabel lpressed;
JLabel lreleased;   
JLabel lentered;   
JLabel lexited;
public MouseEventDemo()
{
setVisible(true);
setSize(300,300);
lclick=new JLabel("Click At Any Point ");
lpressed=new JLabel("Pressed At Any Point ");
lreleased=new JLabel("Released At Any Point ");
lentered=new JLabel("Entered At Any Point ");
lexited=new JLabel("Exited At Any Point ");
setLayout(new FlowLayout());
//For add on our JFrame
add(lclick);
add(lpressed);
add(lreleased);
add(lentered);
add(lexited);
addMouseListener(this); //It Calls below mouse methods to perform operation on the mouse event
}

@Override
public void mouseClicked(MouseEvent e) {
lclick.setText("Mouse Clicked at ("+e.getX()+","+e.getY()+") ");
}

@Override
public void mousePressed(MouseEvent e) {
lpressed.setText("Mouse Pressed at ("+e.getX()+","+e.getY()+") ");
}

@Override
public void mouseReleased(MouseEvent e) {
lreleased.setText("Mouse Released at ("+e.getX()+","+e.getY()+") ");
}

@Override
public void mouseEntered(MouseEvent e) {
lentered.setText("Mouse Entered at ("+e.getX()+","+e.getY()+") ");
}

@Override
public void mouseExited(MouseEvent e) {
lexited.setText("Mouse Exited at ("+e.getX()+","+e.getY()+") ");
}

//It is a driver program which create a JFrame by calling object of Mouse Event Demo class
public static void main(String[] args) {
new MouseEventDemo();
}
}
/*

Answer 1

If you are talking about detecting clicks outside the window, the short answer is you can’t. You can, however detect the first click outside the window, i.e before the window loses its focus. For that you can add a AWTEventListener with MOUSE_EVENT_MASK or FOCUS_EVENT_MASK. But after a single click, window loses its focus & whenever the window loses it’s focus, no mouse events will be triggered until the focus is regained. If you are talking about just getting x, y coordinates of the window, you can simply use MouseInfo.getPointerInfo().getLocation() to find the current Point where the mouse cursor resides. But this can’t be used to detect the click.

Below is the updated code with the above technique (using AWTEventListener), but you will need to focus the window after every click outside the window. Let me know if you have any doubts or if you need anything to change. If you are satisfied with the solution, please rate the answer. Thanks

// MouseEventDemo.java

import java.awt.AWTEvent;

import java.awt.FlowLayout;

import java.awt.MouseInfo;

import java.awt.Point;

import java.awt.Toolkit;

import java.awt.event.AWTEventListener;

import java.awt.event.MouseEvent;

import java.awt.event.MouseListener;

import java.awt.event.MouseMotionListener;

import javax.swing.JFrame;

import javax.swing.JLabel;

public class MouseEventDemo extends JFrame implements MouseListener {

              // It is a class which generate a JFrame and implements MouseListener

              // interface

              // These all are text that show x , y coordinates on mouse click event

              JLabel lclick;

              JLabel lpressed;

              JLabel lreleased;

              JLabel lentered;

              JLabel lexited;

              public MouseEventDemo() {

                           setVisible(true);

                           setSize(300, 300);

                           lclick = new JLabel("Click At Any Point ");

                           lpressed = new JLabel("Pressed At Any Point ");

                           lreleased = new JLabel("Released At Any Point ");

                           lentered = new JLabel("Entered At Any Point ");

                           lexited = new JLabel("Exited At Any Point ");

                           setLayout(new FlowLayout());

                           // For add on our JFrame

                           add(lclick);

                           add(lpressed);

                           add(lreleased);

                           add(lentered);

                           add(lexited);

                           addMouseListener(this); // It Calls below mouse methods to perform

                                                                                                             // operation on the mouse event

                           // the frame will always be on front until the window is closed

                           setAlwaysOnTop(true);

                           // adding AWTEventListener

                            Toolkit.getDefaultToolkit().addAWTEventListener(new AWTEventListener() {

                                         @Override

                                         public void eventDispatched(AWTEvent arg0) {

                                                       // getting current cursor point

                                                       Point p = MouseInfo.getPointerInfo().getLocation();

                                                       // displaying coordinates of clicked point, this will be screen

                                                       // coordinates

                                                       lclick.setText("Mouse Clicked at (" + p.getX() + "," + p.getY()

                                                                                  + ") ");

                                                       // trying to ask for focus

                                                       MouseEventDemo.this.requestFocus();

                                         }

                           }, AWTEvent.FOCUS_EVENT_MASK);

              }

              @Override

              public void mouseClicked(MouseEvent e) {

                           lclick.setText("Mouse Clicked at (" + e.getX() + "," + e.getY() + ") ");

              }

              @Override

              public void mousePressed(MouseEvent e) {

                           lpressed.setText("Mouse Pressed at (" + e.getX() + "," + e.getY()

                                                       + ") ");

              }

              @Override

              public void mouseReleased(MouseEvent e) {

                           lreleased.setText("Mouse Released at (" + e.getX() + "," + e.getY()

                                                       + ") ");

              }

              @Override

              public void mouseEntered(MouseEvent e) {

                           lentered.setText("Mouse Entered at (" + e.getX() + "," + e.getY()

                                                       + ") ");

              }

              @Override

              public void mouseExited(MouseEvent e) {

                           lexited.setText("Mouse Exited at (" + e.getX() + "," + e.getY() + ") ");

              }

              // It is a driver program which create a JFrame by calling object of Mouse

              // Event Demo class

              public static void main(String[] args) {

                           new MouseEventDemo();

              }

}

//OUTPUT