From 99cb0f9451b63e96520939f1fca170b35ccd0848 Mon Sep 17 00:00:00 2001
From: Brian Matzon <brian@matzon.dk>
Date: Mon, 10 Jan 2011 21:50:21 +0000
Subject: [PATCH] add support for passing in lwjgl specific properties via
 java_arguments applet parameter

---
 .../org/lwjgl/util/applet/AppletLoader.java   | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/src/java/org/lwjgl/util/applet/AppletLoader.java b/src/java/org/lwjgl/util/applet/AppletLoader.java
index 59c29c0a..e9027067 100644
--- a/src/java/org/lwjgl/util/applet/AppletLoader.java
+++ b/src/java/org/lwjgl/util/applet/AppletLoader.java
@@ -759,6 +759,9 @@ public class AppletLoader extends Applet implements Runnable, AppletStub {
 
 			// add the downloaded jars and natives to classpath
 			updateClassPath(path);
+			
+			// set lwjgl properties
+			setLWJGLProperties();
 
 			// switch to LWJGL Applet
 			switchApplet();
@@ -776,6 +779,26 @@ public class AppletLoader extends Applet implements Runnable, AppletStub {
 		}
 	}
 	
+	/**
+	 * Parses the java_arguments list and sets lwjgl specific 
+	 * properties accordingly, before the launch.
+	 */
+	protected void setLWJGLProperties() {
+		String javaArguments = getParameter("java_arguments");
+		if(javaArguments != null && javaArguments.length() > 0) {
+			int start = javaArguments.indexOf("-Dorg.lwjgl");
+			while(start != -1) {
+				int end = javaArguments.indexOf(" ", start);
+				if(end == -1) {
+					end = javaArguments.length();
+				}
+				String[] keyValue = javaArguments.substring(start+2, end).split("=");
+				System.setProperty(keyValue[0], keyValue[1]);
+				start = javaArguments.indexOf("-Dorg.lwjgl", end);
+			}
+		}
+	}
+
 	/**
 	 * get path to the lwjgl cache directory
 	 *