Add scancode and virtual key and fix some sdl stuff on Windows

src/Nazara/Platform/SDL2/SDLHelper.hpp

@@ -0,0 +1,26 @@
+// Copyright (C) 2017 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Platform module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_SDL2_HELPER_HPP
+#define NAZARA_SDL2_HELPER_HPP
+
+#include <Nazara/Platform/Keyboard.hpp>
+#include <SDL2/SDL_keycode.h>
+#include <SDL2/SDL_scancode.h>
+
+namespace Nz
+{
+	class SDLHelper
+	{
+		public:
+			static Keyboard::Scancode FromSDL(SDL_Scancode scancode);
+			static Keyboard::VKey     FromSDL(SDL_Keycode keycode);
+			static SDL_Scancode       ToSDL(Keyboard::Scancode scancode);
+			static SDL_Keycode        ToSDL(Keyboard::VKey keycode);
+	};
+}
+
+#endif // NAZARA_SDL2_HELPER_HPP