pass InputMessage down to lua so lua can be used to enter name

stepmania/src/ScreenNameEntryTraditional.cpp

@@ -12,6 +12,7 @@
 #include "InputEventPlus.h"
 #include "RageInput.h"
 #include "RageLog.h"
+#include "InputMapper.h"
 
 REGISTER_SCREEN_CLASS( ScreenNameEntryTraditional );
 
@@ -143,7 +144,24 @@ void ScreenNameEntryTraditional::Input( const InputEventPlus &input )
 {
 	if( IsTransitioning() )
 		return;
-
+	if(
+		( input.MenuI != GameButton_Invalid ) &&
+		( input.pn != PlayerNumber_Invalid )
+		)
+	{
+		switch( input.type )
+		{
+		case IET_FIRST_PRESS:
+		case IET_REPEAT:
+			{
+				Message msg( "Input" );
+				msg.SetParam( "PlayerNumber", input.pn );
+				msg.SetParam( "MenuItem", GameButtonToString( INPUTMAPPER->GetInputScheme(), input.MenuI ) );
+				this->HandleMessage( msg );
+			}
+			break;
+		}
+	}
 	ScreenWithMenuElements::Input( input );
 }