refresh mapping screen text when automapping is applied because of a joystick plug/unplug

stepmania/src/InputMapper.cpp

@@ -558,6 +558,7 @@ bool InputMapper::CheckForChangedInputDevicesAndRemap( RString &sMessage )
 		sMessage += REMAPPING_ALL_JOYSTICKS.GetValue();
 		AutoMapJoysticksForCurrentGame();
 		SaveMappingsToDisk();
+		MESSAGEMAN->Broadcast( Message_AutoJoyMappingApplied );
 	}
 
 	LOG->Info( sMessage );

stepmania/src/MessageManager.cpp

@@ -65,6 +65,7 @@ static const char *MessageNames[] = {
 	"LessonCleared",
 	"LessonFailed",
 	"StorageDevicesChanged",
+	"AutoJoyMappingApplied",
 };
 XToString( Message, NUM_Message );
 

stepmania/src/MessageManager.h

@@ -80,6 +80,7 @@ enum Message
 	Message_LessonCleared,
 	Message_LessonFailed,
 	Message_StorageDevicesChanged,
+	Message_AutoJoyMappingApplied,
 	NUM_Message,	// leave this at the end
 	Message_Invalud
 };

stepmania/src/ScreenMapControllers.cpp

@@ -25,6 +25,11 @@ static const int NUM_CHANGABLE_SLOTS = NUM_SHOWN_GAME_TO_DEVICE_SLOTS-1;
 
 REGISTER_SCREEN_CLASS( ScreenMapControllers );
 
+ScreenMapControllers::ScreenMapControllers()
+{
+	this->SubscribeToMessage( Message_AutoJoyMappingApplied );
+}
+
 static LocalizedString PLAYER_SLOTS( "ScreenMapControllers", "%s slots" );
 void ScreenMapControllers::Init()
 {
@@ -449,6 +454,17 @@ void ScreenMapControllers::Refresh()
 	m_LineScroller.SetDestinationItem( (float) m_iCurButton );
 }
 
+void ScreenMapControllers::HandleMessage( const RString& sMessage )
+{
+	if( sMessage == MessageToString(Message_AutoJoyMappingApplied) )
+	{
+		Refresh();
+	}
+
+	ScreenWithMenuElements::HandleMessage( sMessage );
+}
+
+
 /*
  * (c) 2001-2005 Chris Danford, Glenn Maynard
  * All rights reserved.

stepmania/src/ScreenMapControllers.h

@@ -14,6 +14,7 @@ enum { NUM_SHOWN_GAME_TO_DEVICE_SLOTS = 3 };
 class ScreenMapControllers : public ScreenWithMenuElements
 {
 public:
+	ScreenMapControllers();
 	virtual void Init();
 	virtual void BeginScreen();
 
@@ -23,6 +24,8 @@ public:
 	virtual void TweenOffScreen();
 
 private:
+	virtual void HandleMessage( const RString& sMessage );
+
 	Actor *GetActorWithFocus();
 	void BeforeChangeFocus();
 	void AfterChangeFocus();