Java/Swing JFC/Cursor

Change Cursor in a thread for animation

   <source lang="java">
 

import java.awt.Cursor; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; public class Main implements Runnable, ActionListener {

 private boolean animate;
 private Cursor[] cursors = new Cursor[] { Cursor.getPredefinedCursor(Cursor.N_RESIZE_CURSOR),
     Cursor.getPredefinedCursor(Cursor.NE_RESIZE_CURSOR) };
 private JFrame frame;
 public Main(JFrame frame) {
   animate = false;
   this.frame = frame;
 }
 public void run() {
   int count = 0;
   while (animate) {
     try {
       Thread.currentThread().sleep(200);
     } catch (Exception ex) {
     }
     frame.setCursor(cursors[count % cursors.length]);
     count++;
   }
   frame.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
 }
 public void actionPerformed(ActionEvent evt) {
   JButton button = (JButton) evt.getSource();
   if (animate) {
     button.setText("Start Animation");
     animate = false;
   } else {
     animate = true;
     button.setText("Stop Animation");
     new Thread(this).start();
   }
 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   JButton button = new JButton("Start Animation");
   button.addActionListener(new Main(frame));
   frame.getContentPane().add(button);
   frame.setSize(300, 300);
   frame.setVisible(true);
 }
 public static void p(String str) {
   System.out.println(str);
 }

}

 </source>
   
  
 
  

Change the cursor shape

   <source lang="java">
 

import java.awt.Cursor; import javax.swing.JFrame; import javax.swing.SwingUtilities; public class Main extends JFrame {

 public static void main(String[] args) {
   SwingUtilities.invokeLater(new Runnable() {
     public void run() {
       Main mainForm = new Main();
       mainForm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
       mainForm.setSize(250, 250);
       Cursor cursor = new Cursor(Cursor.HAND_CURSOR);
       mainForm.setCursor(cursor);
       mainForm.pack();
       mainForm.setVisible(true);
     }
   });
 }

}

 </source>
   
  
 
  

Changing the Cursor

   <source lang="java">

import java.awt.Button; import java.awt.ruponent; import java.awt.Cursor; import javax.swing.JFrame; public class Main {

 public static void main() {
   Component comp = new Button("OK");
   Cursor cursor = comp.getCursor();
   comp.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
   JFrame frame = new JFrame();
   frame.add(comp);
   frame.setSize(300, 300);
   frame.setVisible(true);
 }

}

 </source>