Opentk/Source/OpenTK/Input/Keyboard.cs

using System;
using System.Collections.Generic;
using System.Text;

namespace OpenTK.Input
{
    public class Keyboard : IKeyboard
    {
        private IKeyboard keyboard;

        public Keyboard()
        {
            if (Environment.OSVersion.Platform == PlatformID.Win32NT ||
                Environment.OSVersion.Platform == PlatformID.Win32Windows)
            {
                keyboard = new OpenTK.Platform.Windows.WinKeyboard();
            }
            else if (Environment.OSVersion.Platform == PlatformID.Unix ||
                Environment.OSVersion.Platform == (PlatformID)128) // some older versions of Mono reported 128.
            {
                throw new NotImplementedException();
            }
            else
            {
                throw new PlatformNotSupportedException(
                    "Your operating system is not currently supported. We are sorry for the inconvenience."
                );
            }
        }

        public bool this[Keys k]
        {
            get { return keyboard[k]; }
            set { keyboard[k] = value; }
        }

        public void Poll()
        {
            keyboard.Poll();
        }
    }

    public enum Keys : int
    {
        // Modifiers
        LeftShift = 0,
        RightShift,
        LeftControl,
        RightControl,
        LeftAlt,
        RightAlt,

        // Function keys (hopefully enough for most keyboards - mine has 26)
        F1, F2, F3, F4,
        F5, F6, F7, F8,
        F9, F10, F11, F12,
        F13, F14, F15, F16,
        F17, F18, F19, F20,
        F21, F22, F23, F24,
        F25, F26, F27, F28,
        F29, F30, F31, F32,

        // Direction arrows
        Up,
        Down,
        Left,
        Right,

        // Special keys
        Enter,
        Escape,
        Space,
        Tab,
        Backspace,
        Insert,
        Delete,
        PageUp,
        PageDown,
        Home,
        End,
        CapsLock,

        // Keypad keys
        Keypad0,
        Keypad1,
        Keypad2,
        Keypad3,
        Keypad4,
        Keypad5,
        Keypad6,
        Keypad7,
        Keypad8,
        Keypad9,
        KeypadDivide,
        KeypadMultiply,
        KeypadSubtract,
        KeypadAdd,
        KeypadDecimal,
        KeypadEqual,
        KeypadEnter,

        // Letters
        A, B, C, D, E, F, G,
        H, I, J, K, L, M, N,
        O, P, Q, R, S, T, U,
        V, W, X, Y, Z,

        // Numbers
        Number0,
        Number1,
        Number2,
        Number3,
        Number4,
        Number5,
        Number6,
        Number7,
        Number8,
        Number9,

        // Symbols
        Minus,
        Equal,
        LeftBracket,
        RightBracket,
        Semicolon,
        QuotationMark,
        Comma,
        FullStop,
        Slash,
        BackSlash,

        MaxKeys
    }
}