dolphin/Source/Core/VideoCommon/Src/OnScreenDisplay.h

// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.

#ifndef _OSD_H_
#define _OSD_H_

namespace OSD 
{

// On-screen message display
void AddMessage(const char* str, u32 ms = 2000);
void DrawMessages(); // draw the current messages on the screen. Only call once per frame.
void ClearMessages();

// On-screen callbacks
enum CallbackType
{
	OSD_INIT = 0,
	OSD_ONFRAME,
	OSD_SHUTDOWN
};
typedef void(*CallbackPtr)(u32);

void AddCallback(CallbackType OnType, CallbackPtr FuncPtr, u32 UserData);

void DoCallbacks(CallbackType OnType);
}  // namespace

#endif // _OSD_H_