broadcast on Preference changes

stepmania/src/Preference.cpp

@@ -5,6 +5,7 @@
 #include "RageLog.h"
 #include "LuaFunctions.h"
 #include "LuaManager.h"
+#include "MessageManager.h"
 
 static const CString PrefsGroupNames[] = {
 	"Debug",
@@ -84,6 +85,12 @@ void IPreference::WriteTo( IniFile &ini ) const
 	ini.SetValue( PrefsGroupToString(m_PrefsGroup), m_sName, ToString() );
 }
 
+void BroadcastPreferenceChanged( const CString& sPreferenceName )
+{
+	if( MESSAGEMAN )
+		MESSAGEMAN->Broadcast( sPreferenceName+"Changed" );
+}
+
 /*
  * (c) 2001-2004 Chris Danford, Chris Gomez
  * All rights reserved.