From 107c0e20c34326ae83e7da88937904bc23a288c8 Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Mon, 26 Feb 2007 08:24:11 +0000
Subject: [PATCH] set PreviousScreen during BeginScreen

---
 stepmania/src/ScreenManager.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/stepmania/src/ScreenManager.cpp b/stepmania/src/ScreenManager.cpp
index daa806c53d..877df98ddc 100644
--- a/stepmania/src/ScreenManager.cpp
+++ b/stepmania/src/ScreenManager.cpp
@@ -103,6 +103,7 @@ namespace ScreenManagerUtil
 	};
 
 	Actor                   *g_pSharedBGA;  // BGA object that's persistent between screens
+	RString			m_sPreviousTopScreen;
 	vector<LoadedScreen>    g_ScreenStack;  // bottommost to topmost
 	vector<Screen*>         g_OverlayScreens;
 	set<RString>		g_setGroupedScreens;
@@ -120,10 +121,15 @@ namespace ScreenManagerUtil
 
 		/* Set the name of the loading screen. */
 		{
-			LuaThreadVariable var( "LoadingScreen", ls.m_pScreen->GetName() );
+			LuaThreadVariable var1( "PreviousScreen", m_sPreviousTopScreen );
+			LuaThreadVariable var2( "LoadingScreen", ls.m_pScreen->GetName() );
 			ls.m_pScreen->BeginScreen();
 		}
 
+		/* If this is the new top screen, save the name. */
+		if( g_ScreenStack.size() == 1 )
+			m_sPreviousTopScreen = ls.m_pScreen->GetName();
+
 		SCREENMAN->RefreshCreditsMessages();
 
 		SCREENMAN->PostMessageToTopScreen( SM_GainFocus, 0 );