Initial GTK version of GridProxy

Programs/GridProxyGUI/ProxyLogger.cs

@@ -0,0 +1,42 @@
+using System;
+using log4net;
+using log4net.Appender;
+using log4net.Core;
+using log4net.Config;
+using log4net.Layout;
+
+namespace GridProxyGUI
+{
+    public class ProxyLogger : AppenderSkeleton
+    {
+        public delegate void Log(object sender, LogEventArgs e);
+        public static event Log OnLogLine;
+
+        public static void Init()
+        {
+            var appender = new ProxyLogger();
+            appender.Layout = new PatternLayout("%timestamp %-5level %message%newline");
+            // appender.AddFilter(new log4net.Filter.LoggerMatchFilter() { LoggerToMatch = "OpenMetaverse" });
+            BasicConfigurator.Configure(appender);
+        }
+
+        protected override void Append(LoggingEvent le)
+        {
+            if (OnLogLine != null && le.Level != Level.Debug)
+            {
+                OnLogLine(this, new LogEventArgs(string.Format("{0} [{1}] {2}\n", le.TimeStamp, le.Level, le.MessageObject)));
+            }
+        }
+    }
+
+    public class LogEventArgs : EventArgs
+    {
+        public string Message { get; set; }
+
+        public LogEventArgs(string msg)
+        {
+            this.Message = msg;
+        }
+    }
+}
+