KeyboardFocusManagerDemo.java Source code

Introduction

Here is the source code for KeyboardFocusManagerDemo.java

Source

import java.awt.AWTKeyStroke;
import java.awt.KeyboardFocusManager;
import java.util.HashSet;
import java.util.Set;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.KeyStroke;

public class KeyboardFocusManagerDemo {
    public static void main(String[] args) {
        JFrame aWindow = new JFrame("This is a Border Layout");
        aWindow.setBounds(30, 30, 300, 300); // Size
        aWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        JPanel p = new JPanel();

        p.add(new JTextField(10));
        p.add(new JTextField(10));
        p.add(new JTextField(10));
        p.add(new JTextField(10));
        p.add(new JTextField(10));
        p.add(new JTextField(10));

        Set<AWTKeyStroke> set = p.getFocusTraversalKeys(KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS);
        set = new HashSet(set);
        KeyStroke up = KeyStroke.getKeyStroke("A");
        set.add(up);
        System.out.println(set);

        p.setFocusTraversalKeys(KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS, set);

        aWindow.add(p);

        aWindow.setVisible(true); // Display the window
    }
}