Java AWT | MouseInfo and PointerInfo

MouseInfo and PointerInfo is a part of Java AWT. MouseInfo provides information about the location of the pointer and the number of buttons on the mouse. PointerInfo provides information returns the information about the location of the pointer and the graphics device.

Methods of MouseInfo

Method	Explanation
getNumberOfButtons()	Returns the number of buttons on the mouse.
getPointerInfo()	Returns a PointerInfo object that represents the current location and graphics device of the pointer.

Methods of PointerInfo

Method	Explanation
getDevice()	Returns the graphics device on which mouse was present when the object was created .
getLocation()	Returns a point object that gives the location of the mouse pointer.

• Example Program to find the number of buttons on the Mouse

  // Java Program to find the number of
  // buttons on the mouse
  import java.awt.*;
  import javax.swing.*;
  
  class numberofbuttons {
  
      // Main Method
      public static void main(String args[])
      {
          int numberofbuttons;
  
          // number of buttons in the mouse
          numberofbuttons = MouseInfo.getNumberOfButtons();
  
          // print the number of buttons
          System.out.println("Number of buttons on the mouse ="
                                             + numberofbuttons);
      }
  }

  Output:

  Number of buttons on the mouse = 5
  

• Example Program to show the Position of Mouse

  // Java Program to show the
  // position of mouse
  import java.awt.*;
  import java.awt.event.*;
  import javax.swing.*;
  
  class mouse extends JFrame {
  
      boolean b;
  
      // label
      JLabel l, l1;
  
      // Main Method
      public static void main(String args[])
      {
  
          // create object
          mouse m = new mouse();
      }
  
      // default constructor
      mouse()
      {
          super("mouse");
  
          // create labels
          l = new JLabel("");
          l1 = new JLabel("");
  
          // create a panel
          JPanel p = new JPanel();
  
          // add labels to panel
          p.add(l);
          p.add(l1);
  
          add(p);
          show();
          setSize(300, 300);
  
          b = true;
          execute();
      }
  
      public void execute()
      {
          while (b) {
              // get the pointer info object from the mouseInfo
              PointerInfo pi = MouseInfo.getPointerInfo();
  
              // get the location of mouse
              Point p = pi.getLocation();
  
              // set the text of labels
              l.setText("x position =" + p.getX());
              l1.setText("y position =" + p.getY());
          }
      }
  }

  Output:
  

References:

• https://docs.oracle.com/javase/7/docs/api/java/awt/MouseInfo.html
• https://docs.oracle.com/javase/7/docs/api/java/awt/PointerInfo.html