Merge pull request #3434 from lioncash/enum

OnScreenDisplay: Make CallbackType an enum class

Source/Core/VideoCommon/OnScreenDisplay.cpp

@@ -83,7 +83,7 @@ void DoCallbacks(CallbackType type)
 	}
 
 	// Wipe all callbacks on shutdown
-	if (type == OSD_SHUTDOWN)
+	if (type == CallbackType::Shutdown)
 		s_callbacks.clear();
 }
 

Source/Core/VideoCommon/OnScreenDisplay.h

@@ -17,13 +17,13 @@ void DrawMessages(); // draw the current messages on the screen. Only call once
 void ClearMessages();
 
 // On-screen callbacks
-enum CallbackType
+enum class CallbackType
 {
-	OSD_INIT = 0,
-	OSD_ONFRAME,
-	OSD_SHUTDOWN
+	Initialization,
+	OnFrame,
+	Shutdown
 };
-typedef std::function<void()> Callback;
+using Callback = std::function<void()>;
 
 void AddCallback(CallbackType type, Callback cb);
 void DoCallbacks(CallbackType type);