From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001
From: Sven Eisenhauer <sven@sven-eisenhauer.net>
Date: Fri, 10 Nov 2023 15:11:48 +0100
Subject: add new repo

---
 .../hjp5/examples/Listing2805.java                 | 55 ++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Master/Reference Architectures and Patterns/hjp5/examples/Listing2805.java

(limited to 'Master/Reference Architectures and Patterns/hjp5/examples/Listing2805.java')

diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing2805.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing2805.java
new file mode 100644
index 0000000..5f56bf8
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing2805.java	
@@ -0,0 +1,55 @@
+/* Listing2805.java */
+
+import java.awt.*;
+import java.awt.event.*;
+
+public class Listing2805
+{
+  public static void main(String[] args)
+  {
+    MainFrameCommand cmd = new MainFrameCommand();
+    MainFrameGUI     gui = new MainFrameGUI(cmd);
+  }
+}
+
+class MainFrameGUI
+extends Frame
+{
+  public MainFrameGUI(KeyListener cmd)
+  {
+    super("Nachrichtentransfer");
+    setBackground(Color.lightGray);
+    setSize(300,200);
+    setLocation(200,100);
+    setVisible(true);
+    addKeyListener(cmd);
+  }
+
+  public void paint(Graphics g)
+  {
+    g.setFont(new Font("Serif",Font.PLAIN,18));
+    g.drawString("Zum Beenden bitte ESC drücken...",10,50);
+  }
+}
+
+class MainFrameCommand
+implements KeyListener
+{
+  public void keyPressed(KeyEvent event)
+  {
+    Frame source = (Frame)event.getSource();
+    if (event.getKeyCode() == KeyEvent.VK_ESCAPE) {
+      source.setVisible(false);
+      source.dispose();
+      System.exit(0);
+    }
+  }
+
+  public void keyReleased(KeyEvent event)
+  {
+  }
+
+  public void keyTyped(KeyEvent event)
+  {
+  }
+}
\ No newline at end of file
-- 
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