Show an error dialog if disconnected from the server.

OpenRA.Mods.RA/OpenRA.Mods.RA.csproj

@@ -485,6 +485,7 @@
     <Compile Include="ShroudRenderer.cs" />
     <Compile Include="Render\WithCrateBody.cs" />
     <Compile Include="Buildings\Demolishable.cs" />
+    <Compile Include="Widgets\Logic\DisconnectWatcherLogic.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\OpenRA.FileFormats\OpenRA.FileFormats.csproj">

OpenRA.Mods.RA/Widgets/Logic/ConnectionLogic.cs

@@ -88,7 +88,10 @@ namespace OpenRA.Mods.RA.Widgets.Logic
 			var abortButton = panel.Get<ButtonWidget>("ABORT_BUTTON");
 			var retryButton = panel.Get<ButtonWidget>("RETRY_BUTTON");
 
+			abortButton.Visible = onAbort != null;
 			abortButton.OnClick = () => { Ui.CloseWindow(); onAbort(); };
+
+			retryButton.Visible = onRetry != null;
 			retryButton.OnClick = () => 
 			{
 				var password = passwordField != null && passwordField.IsVisible() ? passwordField.Text : orderManager.Password;

OpenRA.Mods.RA/Widgets/Logic/DisconnectWatcherLogic.cs

@@ -0,0 +1,41 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using OpenRA.Network;
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.RA.Widgets.Logic
+{
+	public class DisconnectWatcherLogic
+	{
+		[ObjectCreator.UseCtor]
+		public DisconnectWatcherLogic(Widget widget, OrderManager orderManager)
+		{
+			var disconnected = false;
+			widget.Get<LogicTickerWidget>("DISCONNECT_WATCHER").OnTick = () => 
+			{
+				if (!disconnected && orderManager.Connection.ConnectionState == ConnectionState.NotConnected)
+				{
+					Game.RunAfterTick(() =>
+					{
+						Ui.OpenWindow("CONNECTIONFAILED_PANEL", new WidgetArgs()
+						{
+							{ "orderManager", orderManager },
+							{ "onAbort", null },
+							{ "onRetry", null }
+						});
+					});
+
+					disconnected = true;
+				}
+			};
+		}
+	}
+}

mods/cnc/chrome/ingame.yaml

@@ -1,6 +1,8 @@
 Container@INGAME_ROOT:
 	Logic:CncIngameChromeLogic
 	Children:
+		LogicTicker@DISCONNECT_WATCHER:
+			Logic:DisconnectWatcherLogic
 		Timer@GAME_TIMER:
 			X: WINDOW_RIGHT/2
 			Y: 0

mods/d2k/chrome/ingame.yaml

@@ -1,6 +1,8 @@
 Container@INGAME_ROOT:
 	Logic:IngameChromeLogic
 	Children:
+		LogicTicker@DISCONNECT_WATCHER:
+			Logic:DisconnectWatcherLogic
 		WorldInteractionController@INTERACTION_CONTROLLER:
 			X:0
 			Y:0

mods/ra/chrome/ingame.yaml

@@ -1,6 +1,8 @@
 Container@INGAME_ROOT:
 	Logic:IngameChromeLogic
 	Children:
+		LogicTicker@DISCONNECT_WATCHER:
+			Logic:DisconnectWatcherLogic
 		WorldInteractionController@INTERACTION_CONTROLLER:
 			X:0
 			Y:0