# HG changeset patch
# User IBBoard <dev@ibboard.co.uk>
# Date 1281815768 0
# Node ID 07fd9f7b0dd1a7649d2e79a896ca2d21d5285601
# Parent  3314f6a46661d677f55ea4615b38b6ac948a4746
Re #79: Make use of GTK# callback for exceptions
 * Hook up method to event
 * Add dialog on unhandled exception so that the user knows
Note: Still prints lots of stack trace about GLib stuff, but I don't know if that's normal yet

diff -r 3314f6a46661 -r 07fd9f7b0dd1 FrmMainWindow.cs
--- a/FrmMainWindow.cs	Sat Aug 14 19:25:08 2010 +0000
+++ b/FrmMainWindow.cs	Sat Aug 14 19:56:08 2010 +0000
@@ -27,6 +27,7 @@
 using IBBoard.WarFoundry.Plugin.Rollcall;
 using IBBoard.Xml;
 using log4net;
+using GLib;
 
 namespace IBBoard.WarFoundry.GTK
 {
@@ -53,10 +54,11 @@
 
 		private MenuToolButton undoMenuButton, redoMenuButton;
 
-		public static void Main (string[] args)
+		public static void Main(string[] args)
 		{
 			try
 			{
+				ExceptionManager.UnhandledException += HandleUnhandledException;
 				Application.Init();
 				FrmMainWindow win = new FrmMainWindow(args);
 				win.Show();
@@ -65,8 +67,32 @@
 			}
 			catch(Exception ex)
 			{
-				LogManager.GetLogger(typeof(FrmMainWindow)).Fatal("("+ex.GetType().Name+") "+ex.Message + Environment.NewLine + ex.StackTrace);
+				HandleUnhandledException(ex);
+			}
+		}
+
+		private static void HandleUnhandledException(UnhandledExceptionArgs args)
+		{
+			object obj = args.ExceptionObject;
+			Exception ex = null;
+			
+			if (obj is Exception)
+			{
+				ex = (Exception)obj;
 			}
+			else
+			{
+				ex = new Exception("GLib returned unexpected exception object type "+obj.GetType());
+			}
+			
+			HandleUnhandledException(ex);
+		}
+
+		private static void HandleUnhandledException(Exception ex)
+		{
+			LogManager.GetLogger(typeof(FrmMainWindow)).Fatal("(" + ex.GetType().Name + ") " + ex.Message + Environment.NewLine + ex.StackTrace);
+			MessageDialog dialog = new MessageDialog(null, DialogFlags.Modal, MessageType.Error, ButtonsType.Ok, false, "An unhandled exception occurred. Please check the log for more details.");
+			dialog.Show();
 		}
 
 		public FrmMainWindow() : this(new string[0])