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Root/src/SDL2/SDL2_KeyboardUtil.cs

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#region License
/* FNA - XNA4 Reimplementation for Desktop Platforms
 * Copyright 2009-2016 Ethan Lee and the MonoGame Team
 *
 * Released under the Microsoft Public License.
 * See LICENSE for details.
 */
#endregion
 
#region Using Statements
using System.Collections.Generic;
 
using SDL2;
#endregion
 
namespace Microsoft.Xna.Framework.Input
{
    internal static class SDL2_KeyboardUtil
    {
        #region Public Static Key Map Override
 
        public static bool UseScancodes = false;
 
        #endregion
 
        #region Private SDL2->XNA Key Hashmaps
 
        /* From: http://blogs.msdn.com/b/shawnhar/archive/2007/07/02/twin-paths-to-garbage-collector-nirvana.aspx
         * "If you use an enum type as a dictionary key, internal dictionary operations will cause boxing.
         * You can avoid this by using integer keys, and casting your enum values to ints before adding
         * them to the dictionary."
         */
        private static Dictionary<int, Keys> INTERNAL_keyMap;
        private static Dictionary<int, Keys> INTERNAL_scanMap;
        private static Dictionary<int, SDL.SDL_Scancode> INTERNAL_xnaMap;
 
        #endregion
 
        #region Hashmap Initializer Constructor
 
        static SDL2_KeyboardUtil()
        {
            // Create the dictionaries...
            INTERNAL_keyMap = new Dictionary<int, Keys>();
            INTERNAL_scanMap = new Dictionary<int, Keys>();
            INTERNAL_xnaMap = new Dictionary<int, SDL.SDL_Scancode>();
 
            // Then fill them with known keys that match up to XNA Keys.
 
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_a,       Keys.A);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_b,       Keys.B);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_c,       Keys.C);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_d,       Keys.D);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_e,       Keys.E);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_f,       Keys.F);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_g,       Keys.G);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_h,       Keys.H);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_i,       Keys.I);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_j,       Keys.J);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_k,       Keys.K);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_l,       Keys.L);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_m,       Keys.M);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_n,       Keys.N);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_o,       Keys.O);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_p,       Keys.P);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_q,       Keys.Q);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_r,       Keys.R);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_s,       Keys.S);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_t,       Keys.T);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_u,       Keys.U);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_v,       Keys.V);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_w,       Keys.W);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_x,       Keys.X);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_y,       Keys.Y);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_z,       Keys.Z);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_0,       Keys.D0);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_1,       Keys.D1);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_2,       Keys.D2);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_3,       Keys.D3);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_4,       Keys.D4);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_5,       Keys.D5);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_6,       Keys.D6);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_7,       Keys.D7);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_8,       Keys.D8);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_9,       Keys.D9);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_KP_0,        Keys.NumPad0);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_KP_1,        Keys.NumPad1);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_KP_2,        Keys.NumPad2);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_KP_3,        Keys.NumPad3);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_KP_4,        Keys.NumPad4);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_KP_5,        Keys.NumPad5);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_KP_6,        Keys.NumPad6);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_KP_7,        Keys.NumPad7);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_KP_8,        Keys.NumPad8);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_KP_9,        Keys.NumPad9);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_KP_CLEAR,    Keys.OemClear);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_KP_DECIMAL,  Keys.Decimal);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_KP_DIVIDE,   Keys.Divide);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_KP_ENTER,    Keys.Enter);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_KP_MINUS,    Keys.Subtract);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_KP_MULTIPLY, Keys.Multiply);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_KP_PERIOD,   Keys.OemPeriod);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_KP_PLUS,     Keys.Add);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F1,      Keys.F1);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F2,      Keys.F2);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F3,      Keys.F3);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F4,      Keys.F4);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F5,      Keys.F5);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F6,      Keys.F6);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F7,      Keys.F7);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F8,      Keys.F8);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F9,      Keys.F9);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F10,     Keys.F10);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F11,     Keys.F11);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F12,     Keys.F12);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F13,     Keys.F13);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F14,     Keys.F14);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F15,     Keys.F15);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F16,     Keys.F16);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F17,     Keys.F17);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F18,     Keys.F18);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F19,     Keys.F19);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F20,     Keys.F20);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F21,     Keys.F21);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F22,     Keys.F22);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F23,     Keys.F23);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_F24,     Keys.F24);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_SPACE,       Keys.Space);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_UP,      Keys.Up);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_DOWN,        Keys.Down);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_LEFT,        Keys.Left);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_RIGHT,       Keys.Right);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_LALT,        Keys.LeftAlt);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_RALT,        Keys.RightAlt);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_LCTRL,       Keys.LeftControl);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_RCTRL,       Keys.RightControl);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_LGUI,        Keys.LeftWindows);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_RGUI,        Keys.RightWindows);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_LSHIFT,      Keys.LeftShift);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_RSHIFT,      Keys.RightShift);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_APPLICATION, Keys.Apps);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_SLASH,       Keys.OemQuestion);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_BACKSLASH,   Keys.OemBackslash);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_LEFTBRACKET, Keys.OemOpenBrackets);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_RIGHTBRACKET,    Keys.OemCloseBrackets);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_CAPSLOCK,    Keys.CapsLock);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_COMMA,       Keys.OemComma);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_DELETE,      Keys.Delete);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_END,     Keys.End);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_BACKSPACE,   Keys.Back);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_RETURN,      Keys.Enter);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_ESCAPE,      Keys.Escape);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_HOME,        Keys.Home);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_INSERT,      Keys.Insert);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_MINUS,       Keys.OemMinus);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_NUMLOCKCLEAR,    Keys.NumLock);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_PAGEUP,      Keys.PageUp);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_PAGEDOWN,    Keys.PageDown);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_PAUSE,       Keys.Pause);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_PERIOD,      Keys.OemPeriod);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_EQUALS,      Keys.OemPlus);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_PRINTSCREEN, Keys.PrintScreen);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_QUOTE,       Keys.OemQuotes);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_SCROLLLOCK,  Keys.Scroll);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_SEMICOLON,   Keys.OemSemicolon);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_SLEEP,       Keys.Sleep);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_TAB,     Keys.Tab);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_BACKQUOTE,   Keys.OemTilde);
            INTERNAL_keyMap.Add((int) SDL.SDL_Keycode.SDLK_UNKNOWN,     Keys.None);
 
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_A,     Keys.A);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_B,     Keys.B);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_C,     Keys.C);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_D,     Keys.D);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_E,     Keys.E);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F,     Keys.F);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_G,     Keys.G);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_H,     Keys.H);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_I,     Keys.I);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_J,     Keys.J);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_K,     Keys.K);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_L,     Keys.L);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_M,     Keys.M);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_N,     Keys.N);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_O,     Keys.O);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_P,     Keys.P);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_Q,     Keys.Q);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_R,     Keys.R);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_S,     Keys.S);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_T,     Keys.T);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_U,     Keys.U);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_V,     Keys.V);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_W,     Keys.W);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_X,     Keys.X);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_Y,     Keys.Y);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_Z,     Keys.Z);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_0,     Keys.D0);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_1,     Keys.D1);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_2,     Keys.D2);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_3,     Keys.D3);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_4,     Keys.D4);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_5,     Keys.D5);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_6,     Keys.D6);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_7,     Keys.D7);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_8,     Keys.D8);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_9,     Keys.D9);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_KP_0,      Keys.NumPad0);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_KP_1,      Keys.NumPad1);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_KP_2,      Keys.NumPad2);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_KP_3,      Keys.NumPad3);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_KP_4,      Keys.NumPad4);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_KP_5,      Keys.NumPad5);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_KP_6,      Keys.NumPad6);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_KP_7,      Keys.NumPad7);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_KP_8,      Keys.NumPad8);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_KP_9,      Keys.NumPad9);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_KP_CLEAR,  Keys.OemClear);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_KP_DECIMAL,    Keys.Decimal);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_KP_DIVIDE, Keys.Divide);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_KP_ENTER,  Keys.Enter);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_KP_MINUS,  Keys.Subtract);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_KP_MULTIPLY,   Keys.Multiply);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_KP_PERIOD, Keys.OemPeriod);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_KP_PLUS,   Keys.Add);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F1,        Keys.F1);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F2,        Keys.F2);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F3,        Keys.F3);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F4,        Keys.F4);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F5,        Keys.F5);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F6,        Keys.F6);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F7,        Keys.F7);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F8,        Keys.F8);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F9,        Keys.F9);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F10,       Keys.F10);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F11,       Keys.F11);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F12,       Keys.F12);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F13,       Keys.F13);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F14,       Keys.F14);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F15,       Keys.F15);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F16,       Keys.F16);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F17,       Keys.F17);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F18,       Keys.F18);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F19,       Keys.F19);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F20,       Keys.F20);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F21,       Keys.F21);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F22,       Keys.F22);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F23,       Keys.F23);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_F24,       Keys.F24);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_SPACE,     Keys.Space);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_UP,        Keys.Up);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_DOWN,      Keys.Down);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_LEFT,      Keys.Left);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_RIGHT,     Keys.Right);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_LALT,      Keys.LeftAlt);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_RALT,      Keys.RightAlt);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_LCTRL,     Keys.LeftControl);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_RCTRL,     Keys.RightControl);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_LGUI,      Keys.LeftWindows);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_RGUI,      Keys.RightWindows);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_LSHIFT,    Keys.LeftShift);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_RSHIFT,    Keys.RightShift);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_APPLICATION,   Keys.Apps);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_SLASH,     Keys.OemQuestion);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_BACKSLASH, Keys.OemBackslash);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_LEFTBRACKET,   Keys.OemOpenBrackets);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_RIGHTBRACKET,  Keys.OemCloseBrackets);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_CAPSLOCK,  Keys.CapsLock);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_COMMA,     Keys.OemComma);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_DELETE,    Keys.Delete);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_END,       Keys.End);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_BACKSPACE, Keys.Back);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_RETURN,    Keys.Enter);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_ESCAPE,    Keys.Escape);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_HOME,      Keys.Home);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_INSERT,    Keys.Insert);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_MINUS,     Keys.OemMinus);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_NUMLOCKCLEAR,  Keys.NumLock);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_PAGEUP,    Keys.PageUp);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_PAGEDOWN,  Keys.PageDown);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_PAUSE,     Keys.Pause);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_PERIOD,    Keys.OemPeriod);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_EQUALS,    Keys.OemPlus);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_PRINTSCREEN,   Keys.PrintScreen);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_APOSTROPHE,    Keys.OemQuotes);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_SCROLLLOCK,    Keys.Scroll);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_SEMICOLON, Keys.OemSemicolon);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_SLEEP,     Keys.Sleep);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_TAB,       Keys.Tab);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_GRAVE,     Keys.OemTilde);
            INTERNAL_scanMap.Add((int) SDL.SDL_Scancode.SDL_SCANCODE_UNKNOWN,   Keys.None);
 
            // Also, fill up another with the reverse, for scancode->keycode lookups
 
            INTERNAL_xnaMap.Add((int) Keys.A,           SDL.SDL_Scancode.SDL_SCANCODE_A);
            INTERNAL_xnaMap.Add((int) Keys.B,           SDL.SDL_Scancode.SDL_SCANCODE_B);
            INTERNAL_xnaMap.Add((int) Keys.C,           SDL.SDL_Scancode.SDL_SCANCODE_C);
            INTERNAL_xnaMap.Add((int) Keys.D,           SDL.SDL_Scancode.SDL_SCANCODE_D);
            INTERNAL_xnaMap.Add((int) Keys.E,           SDL.SDL_Scancode.SDL_SCANCODE_E);
            INTERNAL_xnaMap.Add((int) Keys.F,           SDL.SDL_Scancode.SDL_SCANCODE_F);
            INTERNAL_xnaMap.Add((int) Keys.G,           SDL.SDL_Scancode.SDL_SCANCODE_G);
            INTERNAL_xnaMap.Add((int) Keys.H,           SDL.SDL_Scancode.SDL_SCANCODE_H);
            INTERNAL_xnaMap.Add((int) Keys.I,           SDL.SDL_Scancode.SDL_SCANCODE_I);
            INTERNAL_xnaMap.Add((int) Keys.J,           SDL.SDL_Scancode.SDL_SCANCODE_J);
            INTERNAL_xnaMap.Add((int) Keys.K,           SDL.SDL_Scancode.SDL_SCANCODE_K);
            INTERNAL_xnaMap.Add((int) Keys.L,           SDL.SDL_Scancode.SDL_SCANCODE_L);
            INTERNAL_xnaMap.Add((int) Keys.M,           SDL.SDL_Scancode.SDL_SCANCODE_M);
            INTERNAL_xnaMap.Add((int) Keys.N,           SDL.SDL_Scancode.SDL_SCANCODE_N);
            INTERNAL_xnaMap.Add((int) Keys.O,           SDL.SDL_Scancode.SDL_SCANCODE_O);
            INTERNAL_xnaMap.Add((int) Keys.P,           SDL.SDL_Scancode.SDL_SCANCODE_P);
            INTERNAL_xnaMap.Add((int) Keys.Q,           SDL.SDL_Scancode.SDL_SCANCODE_Q);
            INTERNAL_xnaMap.Add((int) Keys.R,           SDL.SDL_Scancode.SDL_SCANCODE_R);
            INTERNAL_xnaMap.Add((int) Keys.S,           SDL.SDL_Scancode.SDL_SCANCODE_S);
            INTERNAL_xnaMap.Add((int) Keys.T,           SDL.SDL_Scancode.SDL_SCANCODE_T);
            INTERNAL_xnaMap.Add((int) Keys.U,           SDL.SDL_Scancode.SDL_SCANCODE_U);
            INTERNAL_xnaMap.Add((int) Keys.V,           SDL.SDL_Scancode.SDL_SCANCODE_V);
            INTERNAL_xnaMap.Add((int) Keys.W,           SDL.SDL_Scancode.SDL_SCANCODE_W);
            INTERNAL_xnaMap.Add((int) Keys.X,           SDL.SDL_Scancode.SDL_SCANCODE_X);
            INTERNAL_xnaMap.Add((int) Keys.Y,           SDL.SDL_Scancode.SDL_SCANCODE_Y);
            INTERNAL_xnaMap.Add((int) Keys.Z,           SDL.SDL_Scancode.SDL_SCANCODE_Z);
            INTERNAL_xnaMap.Add((int) Keys.D0,          SDL.SDL_Scancode.SDL_SCANCODE_0);
            INTERNAL_xnaMap.Add((int) Keys.D1,          SDL.SDL_Scancode.SDL_SCANCODE_1);
            INTERNAL_xnaMap.Add((int) Keys.D2,          SDL.SDL_Scancode.SDL_SCANCODE_2);
            INTERNAL_xnaMap.Add((int) Keys.D3,          SDL.SDL_Scancode.SDL_SCANCODE_3);
            INTERNAL_xnaMap.Add((int) Keys.D4,          SDL.SDL_Scancode.SDL_SCANCODE_4);
            INTERNAL_xnaMap.Add((int) Keys.D5,          SDL.SDL_Scancode.SDL_SCANCODE_5);
            INTERNAL_xnaMap.Add((int) Keys.D6,          SDL.SDL_Scancode.SDL_SCANCODE_6);
            INTERNAL_xnaMap.Add((int) Keys.D7,          SDL.SDL_Scancode.SDL_SCANCODE_7);
            INTERNAL_xnaMap.Add((int) Keys.D8,          SDL.SDL_Scancode.SDL_SCANCODE_8);
            INTERNAL_xnaMap.Add((int) Keys.D9,          SDL.SDL_Scancode.SDL_SCANCODE_9);
            INTERNAL_xnaMap.Add((int) Keys.NumPad0,         SDL.SDL_Scancode.SDL_SCANCODE_KP_0);
            INTERNAL_xnaMap.Add((int) Keys.NumPad1,         SDL.SDL_Scancode.SDL_SCANCODE_KP_1);
            INTERNAL_xnaMap.Add((int) Keys.NumPad2,         SDL.SDL_Scancode.SDL_SCANCODE_KP_2);
            INTERNAL_xnaMap.Add((int) Keys.NumPad3,         SDL.SDL_Scancode.SDL_SCANCODE_KP_3);
            INTERNAL_xnaMap.Add((int) Keys.NumPad4,         SDL.SDL_Scancode.SDL_SCANCODE_KP_4);
            INTERNAL_xnaMap.Add((int) Keys.NumPad5,         SDL.SDL_Scancode.SDL_SCANCODE_KP_5);
            INTERNAL_xnaMap.Add((int) Keys.NumPad6,         SDL.SDL_Scancode.SDL_SCANCODE_KP_6);
            INTERNAL_xnaMap.Add((int) Keys.NumPad7,         SDL.SDL_Scancode.SDL_SCANCODE_KP_7);
            INTERNAL_xnaMap.Add((int) Keys.NumPad8,         SDL.SDL_Scancode.SDL_SCANCODE_KP_8);
            INTERNAL_xnaMap.Add((int) Keys.NumPad9,         SDL.SDL_Scancode.SDL_SCANCODE_KP_9);
            INTERNAL_xnaMap.Add((int) Keys.OemClear,        SDL.SDL_Scancode.SDL_SCANCODE_KP_CLEAR);
            INTERNAL_xnaMap.Add((int) Keys.Decimal,         SDL.SDL_Scancode.SDL_SCANCODE_KP_DECIMAL);
            INTERNAL_xnaMap.Add((int) Keys.Divide,          SDL.SDL_Scancode.SDL_SCANCODE_KP_DIVIDE);
            INTERNAL_xnaMap.Add((int) Keys.Multiply,        SDL.SDL_Scancode.SDL_SCANCODE_KP_MULTIPLY);
            INTERNAL_xnaMap.Add((int) Keys.Subtract,        SDL.SDL_Scancode.SDL_SCANCODE_KP_MINUS);
            INTERNAL_xnaMap.Add((int) Keys.Add,         SDL.SDL_Scancode.SDL_SCANCODE_KP_PLUS);
            INTERNAL_xnaMap.Add((int) Keys.F1,          SDL.SDL_Scancode.SDL_SCANCODE_F1);
            INTERNAL_xnaMap.Add((int) Keys.F2,          SDL.SDL_Scancode.SDL_SCANCODE_F2);
            INTERNAL_xnaMap.Add((int) Keys.F3,          SDL.SDL_Scancode.SDL_SCANCODE_F3);
            INTERNAL_xnaMap.Add((int) Keys.F4,          SDL.SDL_Scancode.SDL_SCANCODE_F4);
            INTERNAL_xnaMap.Add((int) Keys.F5,          SDL.SDL_Scancode.SDL_SCANCODE_F5);
            INTERNAL_xnaMap.Add((int) Keys.F6,          SDL.SDL_Scancode.SDL_SCANCODE_F6);
            INTERNAL_xnaMap.Add((int) Keys.F7,          SDL.SDL_Scancode.SDL_SCANCODE_F7);
            INTERNAL_xnaMap.Add((int) Keys.F8,          SDL.SDL_Scancode.SDL_SCANCODE_F8);
            INTERNAL_xnaMap.Add((int) Keys.F9,          SDL.SDL_Scancode.SDL_SCANCODE_F9);
            INTERNAL_xnaMap.Add((int) Keys.F10,         SDL.SDL_Scancode.SDL_SCANCODE_F10);
            INTERNAL_xnaMap.Add((int) Keys.F11,         SDL.SDL_Scancode.SDL_SCANCODE_F11);
            INTERNAL_xnaMap.Add((int) Keys.F12,         SDL.SDL_Scancode.SDL_SCANCODE_F12);
            INTERNAL_xnaMap.Add((int) Keys.F13,         SDL.SDL_Scancode.SDL_SCANCODE_F13);
            INTERNAL_xnaMap.Add((int) Keys.F14,         SDL.SDL_Scancode.SDL_SCANCODE_F14);
            INTERNAL_xnaMap.Add((int) Keys.F15,         SDL.SDL_Scancode.SDL_SCANCODE_F15);
            INTERNAL_xnaMap.Add((int) Keys.F16,         SDL.SDL_Scancode.SDL_SCANCODE_F16);
            INTERNAL_xnaMap.Add((int) Keys.F17,         SDL.SDL_Scancode.SDL_SCANCODE_F17);
            INTERNAL_xnaMap.Add((int) Keys.F18,         SDL.SDL_Scancode.SDL_SCANCODE_F18);
            INTERNAL_xnaMap.Add((int) Keys.F19,         SDL.SDL_Scancode.SDL_SCANCODE_F19);
            INTERNAL_xnaMap.Add((int) Keys.F20,         SDL.SDL_Scancode.SDL_SCANCODE_F20);
            INTERNAL_xnaMap.Add((int) Keys.F21,         SDL.SDL_Scancode.SDL_SCANCODE_F21);
            INTERNAL_xnaMap.Add((int) Keys.F22,         SDL.SDL_Scancode.SDL_SCANCODE_F22);
            INTERNAL_xnaMap.Add((int) Keys.F23,         SDL.SDL_Scancode.SDL_SCANCODE_F23);
            INTERNAL_xnaMap.Add((int) Keys.F24,         SDL.SDL_Scancode.SDL_SCANCODE_F24);
            INTERNAL_xnaMap.Add((int) Keys.Space,           SDL.SDL_Scancode.SDL_SCANCODE_SPACE);
            INTERNAL_xnaMap.Add((int) Keys.Up,          SDL.SDL_Scancode.SDL_SCANCODE_UP);
            INTERNAL_xnaMap.Add((int) Keys.Down,            SDL.SDL_Scancode.SDL_SCANCODE_DOWN);
            INTERNAL_xnaMap.Add((int) Keys.Left,            SDL.SDL_Scancode.SDL_SCANCODE_LEFT);
            INTERNAL_xnaMap.Add((int) Keys.Right,           SDL.SDL_Scancode.SDL_SCANCODE_RIGHT);
            INTERNAL_xnaMap.Add((int) Keys.LeftAlt,         SDL.SDL_Scancode.SDL_SCANCODE_LALT);
            INTERNAL_xnaMap.Add((int) Keys.RightAlt,        SDL.SDL_Scancode.SDL_SCANCODE_RALT);
            INTERNAL_xnaMap.Add((int) Keys.LeftControl,     SDL.SDL_Scancode.SDL_SCANCODE_LCTRL);
            INTERNAL_xnaMap.Add((int) Keys.RightControl,        SDL.SDL_Scancode.SDL_SCANCODE_RCTRL);
            INTERNAL_xnaMap.Add((int) Keys.LeftWindows,     SDL.SDL_Scancode.SDL_SCANCODE_LGUI);
            INTERNAL_xnaMap.Add((int) Keys.RightWindows,        SDL.SDL_Scancode.SDL_SCANCODE_RGUI);
            INTERNAL_xnaMap.Add((int) Keys.LeftShift,       SDL.SDL_Scancode.SDL_SCANCODE_LSHIFT);
            INTERNAL_xnaMap.Add((int) Keys.RightShift,      SDL.SDL_Scancode.SDL_SCANCODE_RSHIFT);
            INTERNAL_xnaMap.Add((int) Keys.Apps,            SDL.SDL_Scancode.SDL_SCANCODE_APPLICATION);
            INTERNAL_xnaMap.Add((int) Keys.OemQuestion,     SDL.SDL_Scancode.SDL_SCANCODE_SLASH);
            INTERNAL_xnaMap.Add((int) Keys.OemBackslash,        SDL.SDL_Scancode.SDL_SCANCODE_BACKSLASH);
            INTERNAL_xnaMap.Add((int) Keys.OemOpenBrackets,     SDL.SDL_Scancode.SDL_SCANCODE_LEFTBRACKET);
            INTERNAL_xnaMap.Add((int) Keys.OemCloseBrackets,    SDL.SDL_Scancode.SDL_SCANCODE_RIGHTBRACKET);
            INTERNAL_xnaMap.Add((int) Keys.CapsLock,        SDL.SDL_Scancode.SDL_SCANCODE_CAPSLOCK);
            INTERNAL_xnaMap.Add((int) Keys.OemComma,        SDL.SDL_Scancode.SDL_SCANCODE_COMMA);
            INTERNAL_xnaMap.Add((int) Keys.Delete,          SDL.SDL_Scancode.SDL_SCANCODE_DELETE);
            INTERNAL_xnaMap.Add((int) Keys.End,         SDL.SDL_Scancode.SDL_SCANCODE_END);
            INTERNAL_xnaMap.Add((int) Keys.Back,            SDL.SDL_Scancode.SDL_SCANCODE_BACKSPACE);
            INTERNAL_xnaMap.Add((int) Keys.Enter,           SDL.SDL_Scancode.SDL_SCANCODE_RETURN);
            INTERNAL_xnaMap.Add((int) Keys.Escape,          SDL.SDL_Scancode.SDL_SCANCODE_ESCAPE);
            INTERNAL_xnaMap.Add((int) Keys.Home,            SDL.SDL_Scancode.SDL_SCANCODE_HOME);
            INTERNAL_xnaMap.Add((int) Keys.Insert,          SDL.SDL_Scancode.SDL_SCANCODE_INSERT);
            INTERNAL_xnaMap.Add((int) Keys.OemMinus,        SDL.SDL_Scancode.SDL_SCANCODE_MINUS);
            INTERNAL_xnaMap.Add((int) Keys.NumLock,         SDL.SDL_Scancode.SDL_SCANCODE_NUMLOCKCLEAR);
            INTERNAL_xnaMap.Add((int) Keys.PageUp,          SDL.SDL_Scancode.SDL_SCANCODE_PAGEUP);
            INTERNAL_xnaMap.Add((int) Keys.PageDown,        SDL.SDL_Scancode.SDL_SCANCODE_PAGEDOWN);
            INTERNAL_xnaMap.Add((int) Keys.Pause,           SDL.SDL_Scancode.SDL_SCANCODE_PAUSE);
            INTERNAL_xnaMap.Add((int) Keys.OemPeriod,       SDL.SDL_Scancode.SDL_SCANCODE_PERIOD);
            INTERNAL_xnaMap.Add((int) Keys.OemPlus,         SDL.SDL_Scancode.SDL_SCANCODE_EQUALS);
            INTERNAL_xnaMap.Add((int) Keys.PrintScreen,     SDL.SDL_Scancode.SDL_SCANCODE_PRINTSCREEN);
            INTERNAL_xnaMap.Add((int) Keys.OemQuotes,       SDL.SDL_Scancode.SDL_SCANCODE_APOSTROPHE);
            INTERNAL_xnaMap.Add((int) Keys.Scroll,          SDL.SDL_Scancode.SDL_SCANCODE_SCROLLLOCK);
            INTERNAL_xnaMap.Add((int) Keys.OemSemicolon,        SDL.SDL_Scancode.SDL_SCANCODE_SEMICOLON);
            INTERNAL_xnaMap.Add((int) Keys.Sleep,           SDL.SDL_Scancode.SDL_SCANCODE_SLEEP);
            INTERNAL_xnaMap.Add((int) Keys.Tab,         SDL.SDL_Scancode.SDL_SCANCODE_TAB);
            INTERNAL_xnaMap.Add((int) Keys.OemTilde,        SDL.SDL_Scancode.SDL_SCANCODE_GRAVE);
            INTERNAL_xnaMap.Add((int) Keys.None,            SDL.SDL_Scancode.SDL_SCANCODE_UNKNOWN);
        }
 
        #endregion
 
        #region Public SDL2<->XNA Key Conversion Methods
 
        public static Keys ToXNA(ref SDL.SDL_Keysym key)
        {
            Keys retVal;
            if (UseScancodes)
            {
                if (INTERNAL_scanMap.TryGetValue((int) key.scancode, out retVal))
                {
                    return retVal;
                }
            }
            else
            {
                if (INTERNAL_keyMap.TryGetValue((int) key.sym, out retVal))
                {
                    return retVal;
                }
            }
            FNAPlatform.Log(
                "KEY/SCANCODE MISSING FROM SDL2->XNA DICTIONARY: " +
                key.sym.ToString() + " " +
                key.scancode.ToString()
            );
            return Keys.None;
        }
 
        public static Keys GetKeyFromScancode(Keys scancode)
        {
            SDL.SDL_Scancode retVal;
            if (INTERNAL_xnaMap.TryGetValue((int) scancode, out retVal))
            {
                return INTERNAL_keyMap[(int) SDL.SDL_GetKeyFromScancode(retVal)];
            }
            else
            {
                FNAPlatform.Log("SCANCODE MISSING FROM XNA->SDL2 DICTIONARY: " + scancode.ToString());
                return Keys.None;
            }
        }
 
        #endregion
    }
}

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