Program Key Event Java

Tampilan Program




Dan berikut ini program lengkapnya

01	import java.awt.*;

02	import java.awt.event.*;

03	import javax.swing.*;

04

05	public class KeyEventTest extends JFrame implements KeyListener {

06	private String baris1="", baris2="", baris3="";

07	private JTextArea textArea;

08

09	public KeyEventTest() {

10	super ("Mencoba Key Event");

11

12	textArea = new JTextArea (10,15);

13	textArea.setText("Tekan sembarang tombol di keyboard...");

14	textArea.setEnabled(false);

15	textArea.setDisabledTextColor(Color.BLACK);

16	getContentPane().add(textArea);

17

18	addKeyListener (this);

19

20	setSize (300,150);

21	setLocationRelativeTo(null);

22	setVisible(true);

23

}

24

25	public void keyPressed (KeyEvent e) {

26	baris1 = "Tombol yang ditekan : " + e.getKeyText(e.getKeyCode());

27	setLines2and3 (e);

28

}

29

30	public void keyReleased (KeyEvent e) {

31	baris1 = "Tombol yang dilepas : " + e.getKeyText(e.getKeyCode());

32	setLines2and3 (e);

33

}

34

35	public void keyTyped (KeyEvent e) {

36	baris1 = "Tombol yang ditulis : " + e.getKeyChar();

37	setLines2and3 (e);

38

}

39

40	private void setLines2and3 (KeyEvent e) {

41	baris2 = "This key is "+ (e.isActionKey() ? "" : "not ") + "an action key";

42	String temp = e.getKeyModifiersText(e.getModifiers());

43	baris3 = "Modifier key pressed : " + (temp.equals("") ? "none" : temp);

44	textArea.setText(baris1 + "\n" + baris2 + "\n" + baris3 + "\n");

45

}

46

47	public static void main (String args[]) {

48	KeyEventTest test = new KeyEventTest();

49	test.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

50

}

51

}