Swing KeyLintener keyboard event listener
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package Assis;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class TestEvent extends JFrame {
private static final long serialVersionUID = 1L;
public TestEvent() {
setSize(400, 300);
// addKeyListener(new Listener());
P p1 = new P();
System.out.println(p1.isFocusable());
p1.setFocusable(true);
p1.setBackground(Color.red);
this.getContentPane().add(BorderLayout.NORTH, p1);
P p2 = new P();
p2.setBackground(Color.green);
this.getContentPane().add(BorderLayout.SOUTH, p2);
setVisible(true);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void main(String[] args) {
new TestEvent();
}
}
class P extends JPanel {
private static final long serialVersionUID = 1L;
public P() {
addKeyListener(new Listener());
this.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
System.out.println(e);
}
});
}
}
class Listener implements KeyListener {
public void keyPressed(KeyEvent e) {
System.out.println("---" + e);
}
public void keyReleased(KeyEvent e) {
}
public void keyTyped(KeyEvent e) {
}
}
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