Install Music button - installing not implemented.

OpenRA.Mods.RA/Widgets/Delegates/MusicPlayerDelegate.cs

@@ -30,6 +30,15 @@ namespace OpenRA.Mods.RA.Widgets.Delegates
 				return true;
 			};
 			
+			var installed = Rules.Music.Count(m => m.Value.Exists) > 1;
+			
+			// Hack around some mix packages including hellmarch for ra
+			bg.GetWidget("BUTTON_INSTALL").IsVisible = () => !installed;
+			bg.GetWidget("BUTTON_INSTALL").OnMouseUp = mi => {
+				return true;
+			};
+			
+
 			bg.GetWidget("BUTTON_PLAY").OnMouseUp = mi =>
 			{
 				if (CurrentSong == null)

mods/cnc/chrome/mainmenu.yaml

@@ -142,6 +142,14 @@ Background@MUSIC_MENU:
 			Text:Music
 			Align:Center
 			Bold:True
+		Button@BUTTON_INSTALL:
+			Id:BUTTON_INSTALL
+			X:20
+			Y:PARENT_BOTTOM - 45
+			Width:160
+			Height:25
+			Text:Install Music
+			Bold:True
 		Button@BUTTON_CLOSE:
 			Id:BUTTON_CLOSE
 			X:PARENT_RIGHT - 180

mods/ra/chrome/mainmenu.yaml

@@ -145,6 +145,14 @@ Background@MUSIC_MENU:
 			Text:Music
 			Align:Center
 			Bold:True
+		Button@BUTTON_INSTALL:
+			Id:BUTTON_INSTALL
+			X:20
+			Y:PARENT_BOTTOM - 45
+			Width:160
+			Height:25
+			Text:Install Music
+			Bold:True
 		Button@BUTTON_CLOSE:
 			Id:BUTTON_CLOSE
 			X:PARENT_RIGHT - 180