From 770388782ee969cfc6774cefaa4c2025213d6f0f Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Wed, 26 Sep 2001 00:25:53 +0000
Subject: additions

---
 gl4java/applet/SimpleGLApplet1.java | 173 ++++++++++++++++++++++++++++++++++++
 1 file changed, 173 insertions(+)
 create mode 100755 gl4java/applet/SimpleGLApplet1.java

(limited to 'gl4java')

diff --git a/gl4java/applet/SimpleGLApplet1.java b/gl4java/applet/SimpleGLApplet1.java
new file mode 100755
index 0000000..8da7104
--- /dev/null
+++ b/gl4java/applet/SimpleGLApplet1.java
@@ -0,0 +1,173 @@
+/**
+ * @(#) SimpleGLApplet.java
+ * @(#) author: Sven Goethel
+ */
+
+package gl4java.applet;
+
+/* This program is licensed under the LGPL */
+
+import java.applet.*;
+import java.awt.*;
+import java.awt.event.*;
+import java.lang.*;
+import gl4java.GLContext;
+import gl4java.GLFunc;
+import gl4java.GLUFunc;
+import gl4java.awt.GLCanvas;
+
+public class SimpleGLApplet1 extends Applet 
+  implements ActionListener,WindowListener
+{
+    public GLCanvas canvas = null;
+
+    public Button buttonInfo = null;
+
+    Frame fInfo = null;
+
+   /* Initialize the applet */
+
+    public void init()
+    {
+        setLayout(new BorderLayout());
+
+	buttonInfo = new Button("GL4Java");
+	add("South",buttonInfo);
+    }
+
+
+    public void start()
+    {
+	if(GLContext.gljClassDebug)
+		System.out.println("SGLApplet start ..");
+
+	buttonInfo.addActionListener(this);
+
+	canvas.setVisible(true);
+	canvas.repaint();
+    }
+
+
+    public void stop()
+    {
+	if(GLContext.gljClassDebug)
+		System.out.println("SGLApplet stop ..");
+	buttonInfo.removeActionListener(this);
+
+        canvas.cvsDispose();
+    }
+
+
+    public void destroy()
+    {
+	if(GLContext.gljClassDebug)
+		System.out.println("SGLApplet destroy ..");
+	if(fInfo!=null)
+	{
+		fInfo.dispose();
+		fInfo=null;
+	}
+        canvas.cvsDispose();
+    }
+
+
+    protected void finalize()
+    	throws Throwable
+    {
+	if(GLContext.gljClassDebug)
+		System.out.println("SGLApplet finalize ..");
+	  
+	super.finalize();
+    }
+
+    public void actionPerformed(ActionEvent event) 
+    {
+	    Object source = event.getSource();
+
+	if( source.equals(buttonInfo) )
+	{
+	  if(fInfo==null && canvas!=null && canvas.getGLContext()!=null)
+	     fInfo = showGLInfo();
+	}
+    }
+
+	public void windowOpened(WindowEvent e)
+	{
+	}
+
+	public void windowClosing(WindowEvent e)
+	{
+		Window w = e.getWindow();
+		if(w == fInfo && fInfo!=null)
+		{
+			fInfo.dispose();
+			fInfo=null;
+		}
+	}
+
+	public void windowClosed(WindowEvent e)
+	{
+		Window w = e.getWindow();
+		if(w == fInfo && fInfo!=null)
+		{
+			fInfo.dispose();
+			fInfo=null;
+		}
+	}
+
+	public void windowIconified(WindowEvent e)
+	{
+	}
+
+	public void windowDeiconified(WindowEvent e)
+	{
+	}
+
+	public void windowActivated(WindowEvent e)
+	{
+	}
+
+	public void windowDeactivated(WindowEvent e)
+	{
+	}
+
+	public Frame showGLInfo()
+	{
+		if(canvas==null) return null;
+
+		GLContext glc =  canvas.getGLContext();
+		if(glc==null) return null;
+
+		GLFunc    gl  =  glc.getGLFunc();
+		if(gl==null) return null;
+
+		GLUFunc   glu =  glc.getGLUFunc();
+		if(gl==null) return null;
+
+		Frame f = new Frame("GL4Java Version");
+		TextArea info= new TextArea(25, 80);
+		info.setEditable(false);
+		f.add(info);
+		f.setSize(600, 400);
+
+		String str = "null string";
+		if( glc.gljMakeCurrent() == false ) 
+		{
+			str="problem in use() method\n";
+		} else {
+			str=canvas.getGLContext().gljGetVersions();
+			if(str==null)
+				str="could not get versions";
+			System.out.println(str);
+			glc.gljFree();
+		}
+		info.append(str);
+
+		f.addWindowListener(this);
+
+		f.pack();
+		f.setVisible(true);
+
+		return f;
+	}
+}
-- 
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