Master/Reference Architectures and Patterns/hjp5/examples/Listing2806.java


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41

/* Listing2806.java */

import java.awt.*;
import java.awt.event.*;

public class Listing2806
extends Frame
{
  public static void main(String[] args)
  {
    Listing2806 wnd = new Listing2806();
  }

  public Listing2806()
  {
    super("Nachrichtentransfer");
    setBackground(Color.lightGray);
    setSize(300,200);
    setLocation(200,100);
    setVisible(true);
    enableEvents(AWTEvent.KEY_EVENT_MASK);
  }

  public void paint(Graphics g)
  {
    g.setFont(new Font("Serif",Font.PLAIN,18));
    g.drawString("Zum Beenden bitte ESC dr�cken...",10,50);
  }

  public void processKeyEvent(KeyEvent event)
  {
    if (event.getID() == KeyEvent.KEY_PRESSED) {
      if (event.getKeyCode() == KeyEvent.VK_ESCAPE) {
        setVisible(false);
        dispose();
        System.exit(0);
      }
    }
    super.processKeyEvent(event);
  }
}