// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

library fuchsia.ui.input2;

/// A Fuchsia key represents a control that can be pressed or released
/// such as a button on a keyboard.
///
/// Where applicable, the definition of each key is derived from one of the
/// following sources albeit with a Fuchsia-specific numeric value:
/// - USB HID usage codes for usage page 0x0007 (Keyboard/Keypad)
/// - USB HID usage codes for usage page 0x000c (Consumer)
/// - Common but non-standard keys (vendor defined)
///
/// The example key mappings included in this documentation assume a
/// US English keyboard layout. Actual behavior varies by layout.
enum Key : uint32 {
    // Keyboard keys
    // Reserved range: 0x00000001 - 0x000001ff

    /// Keyboard a and A
    /// Corresponds to USB HID page 0x0007 usage 0x0004
    A = 0x00000001;

    /// Keyboard b and B
    /// Corresponds to USB HID page 0x0007 usage 0x0005
    B = 0x00000002;

    /// Keyboard c and C
    /// Corresponds to USB HID page 0x0007 usage 0x0006
    C = 0x00000003;

    /// Keyboard d and D
    /// Corresponds to USB HID page 0x0007 usage 0x0007
    D = 0x00000004;

    /// Keyboard e and E
    /// Corresponds to USB HID page 0x0007 usage 0x0008
    E = 0x00000005;

    /// Keyboard f and F
    /// Corresponds to USB HID page 0x0007 usage 0x0009
    F = 0x00000006;

    /// Keyboard g and G
    /// Corresponds to USB HID page 0x0007 usage 0x000a
    G = 0x00000007;

    /// Keyboard h and H
    /// Corresponds to USB HID page 0x0007 usage 0x000b
    H = 0x00000008;

    /// Keyboard i and I
    /// Corresponds to USB HID page 0x0007 usage 0x000c
    I = 0x00000009;

    /// Keyboard j and J
    /// Corresponds to USB HID page 0x0007 usage 0x000d
    J = 0x0000000a;

    /// Keyboard k and K
    /// Corresponds to USB HID page 0x0007 usage 0x000e
    K = 0x0000000b;

    /// Keyboard l and L
    /// Corresponds to USB HID page 0x0007 usage 0x000f
    L = 0x0000000c;

    /// Keyboard m and M
    /// Corresponds to USB HID page 0x0007 usage 0x0010
    M = 0x0000000d;

    /// Keyboard n and N
    /// Corresponds to USB HID page 0x0007 usage 0x0011
    N = 0x0000000e;

    /// Keyboard o and O
    /// Corresponds to USB HID page 0x0007 usage 0x0012
    O = 0x0000000f;

    /// Keyboard p and P
    /// Corresponds to USB HID page 0x0007 usage 0x0013
    P = 0x00000010;

    /// Keyboard q and Q
    /// Corresponds to USB HID page 0x0007 usage 0x0014
    Q = 0x00000011;

    /// Keyboard r and R
    /// Corresponds to USB HID page 0x0007 usage 0x0015
    R = 0x00000012;

    /// Keyboard s and S
    /// Corresponds to USB HID page 0x0007 usage 0x0016
    S = 0x00000013;

    /// Keyboard t and T
    /// Corresponds to USB HID page 0x0007 usage 0x0017
    T = 0x00000014;

    /// Keyboard u and U
    /// Corresponds to USB HID page 0x0007 usage 0x0018
    U = 0x00000015;

    /// Keyboard v and V
    /// Corresponds to USB HID page 0x0007 usage 0x0019
    V = 0x00000016;

    /// Keyboard w and W
    /// Corresponds to USB HID page 0x0007 usage 0x001a
    W = 0x00000017;

    /// Keyboard x and X
    /// Corresponds to USB HID page 0x0007 usage 0x001b
    X = 0x00000018;

    /// Keyboard y and Y
    /// Corresponds to USB HID page 0x0007 usage 0x001c
    Y = 0x00000019;

    /// Keyboard z and Z
    /// Corresponds to USB HID page 0x0007 usage 0x001d
    Z = 0x0000001a;

    /// Keyboard 1 and !
    /// Corresponds to USB HID page 0x0007 usage 0x001e
    KEY_1 = 0x0000001b;

    /// Keyboard 2 and @
    /// Corresponds to USB HID page 0x0007 usage 0x001f
    KEY_2 = 0x0000001c;

    /// Keyboard 3 and #
    /// Corresponds to USB HID page 0x0007 usage 0x0020
    KEY_3 = 0x0000001d;

    /// Keyboard 4 and $
    /// Corresponds to USB HID page 0x0007 usage 0x0021
    KEY_4 = 0x0000001e;

    /// Keyboard 5 and %
    /// Corresponds to USB HID page 0x0007 usage 0x0022
    KEY_5 = 0x0000001f;

    /// Keyboard 6 and ^
    /// Corresponds to USB HID page 0x0007 usage 0x0023
    KEY_6 = 0x00000020;

    /// Keyboard 7 and &
    /// Corresponds to USB HID page 0x0007 usage 0x0024
    KEY_7 = 0x00000021;

    /// Keyboard 8 and *
    /// Corresponds to USB HID page 0x0007 usage 0x0025
    KEY_8 = 0x00000022;

    /// Keyboard 9 and (
    /// Corresponds to USB HID page 0x0007 usage 0x0026
    KEY_9 = 0x00000023;

    /// Keyboard 0 and )
    /// Corresponds to USB HID page 0x0007 usage 0x0027
    KEY_0 = 0x00000024;

    /// Keyboard Enter (Return)
    /// Corresponds to USB HID page 0x0007 usage 0x0028
    ENTER = 0x00000025;

    /// Keyboard Escape
    /// Corresponds to USB HID page 0x0007 usage 0x0029
    ESCAPE = 0x00000026;

    /// Keyboard Backspace (Backward Delete)
    /// Corresponds to USB HID page 0x0007 usage 0x002a
    BACKSPACE = 0x00000027;

    /// Keyboard Tab
    /// Corresponds to USB HID page 0x0007 usage 0x002b
    TAB = 0x00000028;

    /// Keyboard Spacebar
    /// Corresponds to USB HID page 0x0007 usage 0x002c
    SPACE = 0x00000029;

    /// Keyboard - and (underscore)
    /// Corresponds to USB HID page 0x0007 usage 0x002d
    MINUS = 0x0000002a;

    /// Keyboard = and +
    /// Corresponds to USB HID page 0x0007 usage 0x002e
    EQUALS = 0x0000002b;

    /// Keyboard [ and {
    /// Corresponds to USB HID page 0x0007 usage 0x002f
    LEFT_BRACE = 0x0000002c;

    /// Keyboard ] and }
    /// Corresponds to USB HID page 0x0007 usage 0x0030
    RIGHT_BRACE = 0x0000002d;

    /// Keyboard \ and |
    /// Corresponds to USB HID page 0x0007 usage 0x0031
    BACKSLASH = 0x0000002e;

    /// Keyboard Non-US # and ~
    /// Corresponds to USB HID page 0x0007 usage 0x0032
    NON_US_HASH = 0x0000002f;

    /// Keyboard ; and :
    /// Corresponds to USB HID page 0x0007 usage 0x0033
    SEMICOLON = 0x00000030;

    /// Keyboard ' and "
    /// Corresponds to USB HID page 0x0007 usage 0x0034
    APOSTROPHE = 0x00000031;

    /// Keyboard Grave Accent and Tilde
    /// Corresponds to USB HID page 0x0007 usage 0x0035
    GRAVE_ACCENT = 0x00000032;

    /// Keyboard , and <
    /// Corresponds to USB HID page 0x0007 usage 0x0036
    COMMA = 0x00000033;

    /// Keyboard . and >
    /// Corresponds to USB HID page 0x0007 usage 0x0037
    DOT = 0x00000034;

    /// Keyboard / and ?
    /// Corresponds to USB HID page 0x0007 usage 0x0038
    SLASH = 0x00000035;

    /// Keyboard Caps Lock
    /// Corresponds to USB HID page 0x0007 usage 0x0039
    CAPS_LOCK = 0x00000036;

    /// Keyboard F1
    /// Corresponds to USB HID page 0x0007 usage 0x003a
    F1 = 0x00000037;

    /// Keyboard F2
    /// Corresponds to USB HID page 0x0007 usage 0x003b
    F2 = 0x00000038;

    /// Keyboard F3
    /// Corresponds to USB HID page 0x0007 usage 0x003c
    F3 = 0x00000039;

    /// Keyboard F4
    /// Corresponds to USB HID page 0x0007 usage 0x003d
    F4 = 0x0000003a;

    /// Keyboard F5
    /// Corresponds to USB HID page 0x0007 usage 0x003e
    F5 = 0x0000003b;

    /// Keyboard F6
    /// Corresponds to USB HID page 0x0007 usage 0x003f
    F6 = 0x0000003c;

    /// Keyboard F7
    /// Corresponds to USB HID page 0x0007 usage 0x0040
    F7 = 0x0000003d;

    /// Keyboard F8
    /// Corresponds to USB HID page 0x0007 usage 0x0041
    F8 = 0x0000003e;

    /// Keyboard F9
    /// Corresponds to USB HID page 0x0007 usage 0x0042
    F9 = 0x0000003f;

    /// Keyboard F10
    /// Corresponds to USB HID page 0x0007 usage 0x0043
    F10 = 0x00000040;

    /// Keyboard F11
    /// Corresponds to USB HID page 0x0007 usage 0x0044
    F11 = 0x00000041;

    /// Keyboard F12
    /// Corresponds to USB HID page 0x0007 usage 0x0045
    F12 = 0x00000042;

    /// Keyboard Print Screen
    /// Corresponds to USB HID page 0x0007 usage 0x0046
    PRINT_SCREEN = 0x00000043;

    /// Keyboard Scroll Lock
    /// Corresponds to USB HID page 0x0007 usage 0x0047
    SCROLL_LOCK = 0x00000044;

    /// Keyboard Pause
    /// Corresponds to USB HID page 0x0007 usage 0x0048
    PAUSE = 0x00000045;

    /// Keyboard Insert
    /// Corresponds to USB HID page 0x0007 usage 0x0049
    INSERT = 0x00000046;

    /// Keyboard Home
    /// Corresponds to USB HID page 0x0007 usage 0x004a
    HOME = 0x00000047;

    /// Keyboard Page Up
    /// Corresponds to USB HID page 0x0007 usage 0x004b
    PAGE_UP = 0x00000048;

    /// Keyboard Forward Delete
    /// Corresponds to USB HID page 0x0007 usage 0x004c
    DELETE = 0x00000049;

    /// Keyboard End
    /// Corresponds to USB HID page 0x0007 usage 0x004d
    END = 0x0000004a;

    /// Keyboard Page Down
    /// Corresponds to USB HID page 0x0007 usage 0x004e
    PAGE_DOWN = 0x0000004b;

    /// Keyboard Right Arrow
    /// Corresponds to USB HID page 0x0007 usage 0x004f
    RIGHT = 0x0000004c;

    /// Keyboard Left Arrow
    /// Corresponds to USB HID page 0x0007 usage 0x0050
    LEFT = 0x0000004d;

    /// Keyboard Down Arrow
    /// Corresponds to USB HID page 0x0007 usage 0x0051
    DOWN = 0x0000004e;

    /// Keyboard Up Arrow
    /// Corresponds to USB HID page 0x0007 usage 0x0052
    UP = 0x0000004f;

    /// Keyboard Non-US \ and |
    /// Corresponds to USB HID page 0x0007 usage 0x0064
    NON_US_BACKSLASH = 0x00000050;

    /// Keyboard Left Control
    /// Corresponds to USB HID page 0x0007 usage 0x00e0
    LEFT_CTRL = 0x00000051;

    /// Keyboard Left Shift
    /// Corresponds to USB HID page 0x0007 usage 0x00e1
    LEFT_SHIFT = 0x00000052;

    /// Keyboard Left Alt
    /// Corresponds to USB HID page 0x0007 usage 0x00e2
    LEFT_ALT = 0x00000053;

    /// Keyboard Left GUI (Meta, Windows)
    /// Corresponds to USB HID page 0x0007 usage 0x00e3
    LEFT_META = 0x00000054;

    /// Keyboard Right Control
    /// Corresponds to USB HID page 0x0007 usage 0x00e4
    RIGHT_CTRL = 0x00000055;

    /// Keyboard Right Shift
    /// Corresponds to USB HID page 0x0007 usage 0x00e5
    RIGHT_SHIFT = 0x00000056;

    /// Keyboard Right Alt
    /// Corresponds to USB HID page 0x0007 usage 0x00e6
    RIGHT_ALT = 0x00000057;

    /// Keyboard Right GUI (Meta, Windows)
    /// Corresponds to USB HID page 0x0007 usage 0x00e7
    RIGHT_META = 0x00000058;

    /// Keyboard Menu
    /// Corresponds to USB HID page 0x0007 usage 0x0076
    MENU = 0x00000059;

    // Keypad keys
    // Reserved range: 0x00000200 - 0x000002ff

    /// Keypad Num Lock and Clear
    /// Corresponds to USB HID page 0x0007 usage 0x0053
    NUM_LOCK = 0x00000200;

    /// Keypad /
    /// Corresponds to USB HID page 0x0007 usage 0x0054
    KEYPAD_SLASH = 0x00000201;

    /// Keypad *
    /// Corresponds to USB HID page 0x0007 usage 0x0055
    KEYPAD_ASTERISK = 0x00000202;

    /// Keypad -
    /// Corresponds to USB HID page 0x0007 usage 0x0056
    KEYPAD_MINUS = 0x00000203;

    /// Keypad +
    /// Corresponds to USB HID page 0x0007 usage 0x0057
    KEYPAD_PLUS = 0x00000204;

    /// Keypad ENTER
    /// Corresponds to USB HID page 0x0007 usage 0x0058
    KEYPAD_ENTER = 0x00000205;

    /// Keypad 1 and End
    /// Corresponds to USB HID page 0x0007 usage 0x0059
    KEYPAD_1 = 0x00000206;

    /// Keypad 2 and Down Arrow
    /// Corresponds to USB HID page 0x0007 usage 0x005a
    KEYPAD_2 = 0x00000207;

    /// Keypad 3 and Page Down
    /// Corresponds to USB HID page 0x0007 usage 0x005b
    KEYPAD_3 = 0x00000208;

    /// Keypad 4 and Left Arrow
    /// Corresponds to USB HID page 0x0007 usage 0x005c
    KEYPAD_4 = 0x00000209;

    /// Keypad 5
    /// Corresponds to USB HID page 0x0007 usage 0x005d
    KEYPAD_5 = 0x0000020A;

    /// Keypad 6 and Right Arrow
    /// Corresponds to USB HID page 0x0007 usage 0x005e
    KEYPAD_6 = 0x0000020B;

    /// Keypad 7 and Home
    /// Corresponds to USB HID page 0x0007 usage 0x005f
    KEYPAD_7 = 0x0000020C;

    /// Keypad 8 and Up Arrow
    /// Corresponds to USB HID page 0x0007 usage 0x0060
    KEYPAD_8 = 0x0000020D;

    /// Keypad 9 and Page Up
    /// Corresponds to USB HID page 0x0007 usage 0x0061
    KEYPAD_9 = 0x0000020E;

    /// Keypad 0 and Insert
    /// Corresponds to USB HID page 0x0007 usage 0x0062
    KEYPAD_0 = 0x0000020F;

    /// Keypad . and Delete
    /// Corresponds to USB HID page 0x0007 usage 0x0063
    KEYPAD_DOT = 0x00000210;

    // Keypad =
    // Corresponds to USB HID page 0x0007 usage 0x0067
    KEYPAD_EQUALS = 0x00000211;

    // Media keys
    // Reserved range: 0x00000300 - 0x000004ff

    // Mute
    // Corresponds to USB HID page 0x000c usage 0x00e2
    MEDIA_MUTE = 0x00000300;

    // Volume Increment
    // Corresponds to USB HID page 0x000c usage 0x00e9
    MEDIA_VOLUME_INCREMENT = 0x00000301;

    // Volume Decrement
    // Corresponds to USB HID page 0x000c usage 0x00ea
    MEDIA_VOLUME_DECREMENT = 0x00000302;

    // Next available range: 0x00000500

    // TODO: Define additional USB HID keys as needed.
    //
    // Keyboard Application
    // Corresponds to USB HID page 0x0007 usage 0x0065
    //
    // Keyboard Power (Not a physical key)
    // Corresponds to USB HID page 0x0007 usage 0x0066
    // Note: Reserved for typical keyboard status or keyboard errors.
    // Sent as a member of the keyboard array.
    //
    // Keyboard F13
    // Corresponds to USB HID page 0x0007 usage 0x0068
    //
    // Keyboard F14
    // Corresponds to USB HID page 0x0007 usage 0x0069
    //
    // Keyboard F15
    // Corresponds to USB HID page 0x0007 usage 0x006a
    //
    // Keyboard F16
    // Corresponds to USB HID page 0x0007 usage 0x006b
    //
    // Keyboard F17
    // Corresponds to USB HID page 0x0007 usage 0x006c
    //
    // Keyboard F18
    // Corresponds to USB HID page 0x0007 usage 0x006d
    //
    // Keyboard F19
    // Corresponds to USB HID page 0x0007 usage 0x006e
    //
    // Keyboard F20
    // Corresponds to USB HID page 0x0007 usage 0x006f
    //
    // Keyboard F21
    // Corresponds to USB HID page 0x0007 usage 0x0070
    //
    // Keyboard F22
    // Corresponds to USB HID page 0x0007 usage 0x0071
    //
    // Keyboard F23
    // Corresponds to USB HID page 0x0007 usage 0x0072
    //
    // Keyboard F24
    // Corresponds to USB HID page 0x0007 usage 0x0073
    //
    // Keyboard Execute
    // Corresponds to USB HID page 0x0007 usage 0x0074
    //
    // Keyboard Help
    // Corresponds to USB HID page 0x0007 usage 0x0075
    //
    // Keyboard Select
    // Corresponds to USB HID page 0x0007 usage 0x0077
    //
    // Keyboard Stop
    // Corresponds to USB HID page 0x0007 usage 0x0078
    //
    // Keyboard Again
    // Corresponds to USB HID page 0x0007 usage 0x0079
    //
    // Keyboard Undo
    // Corresponds to USB HID page 0x0007 usage 0x007a
    //
    // Keyboard Cut
    // Corresponds to USB HID page 0x0007 usage 0x007b
    //
    // Keyboard Copy
    // Corresponds to USB HID page 0x0007 usage 0x007c
    //
    // Keyboard Paste
    // Corresponds to USB HID page 0x0007 usage 0x007d
    //
    // Keyboard Find
    // Corresponds to USB HID page 0x0007 usage 0x007e
    //
    // Keyboard Volume Down
    // Corresponds to USB HID page 0x0007 usage 0x0081
    //
    // Keyboard Volume Up
    // Corresponds to USB HID page 0x0007 usage 0x0080
    //
    // Keyboard Locking Caps Lock
    // Corresponds to USB HID page 0x0007 usage 0x0082
    //
    // Keyboard Locking Num Lock
    // Corresponds to USB HID page 0x0007 usage 0x0083
    //
    // Keyboard Locking Scroll Lock
    // Corresponds to USB HID page 0x0007 usage 0x0084
    //
    // Keypad Comma
    // Corresponds to USB HID page 0x0007 usage 0x0085
    //
    // Keypad Equal Sign
    // Corresponds to USB HID page 0x0007 usage 0x0086
    //
    // Keyboard International1
    // Corresponds to USB HID page 0x0007 usage 0x0087
    //
    // Keyboard International2
    // Corresponds to USB HID page 0x0007 usage 0x0088
    //
    // Keyboard International3
    // Corresponds to USB HID page 0x0007 usage 0x0089
    //
    // Keyboard International4
    // Corresponds to USB HID page 0x0007 usage 0x008a
    //
    // Keyboard International5
    // Corresponds to USB HID page 0x0007 usage 0x008b
    //
    // Keyboard International6
    // Corresponds to USB HID page 0x0007 usage 0x008c
    //
    // Keyboard International7
    // Corresponds to USB HID page 0x0007 usage 0x008d
    //
    // Keyboard International8
    // Corresponds to USB HID page 0x0007 usage 0x008e
    //
    // Keyboard International9
    // Corresponds to USB HID page 0x0007 usage 0x008f
    //
    // Keyboard LANG1
    // Corresponds to USB HID page 0x0007 usage 0x0090
    //
    // Keyboard LANG2
    // Corresponds to USB HID page 0x0007 usage 0x0091
    //
    // Keyboard LANG3
    // Corresponds to USB HID page 0x0007 usage 0x0092
    //
    // Keyboard LANG4
    // Corresponds to USB HID page 0x0007 usage 0x0093
    //
    // Keyboard LANG5
    // Corresponds to USB HID page 0x0007 usage 0x0094
    //
    // Keyboard LANG6
    // Corresponds to USB HID page 0x0007 usage 0x0095
    //
    // Keyboard LANG7
    // Corresponds to USB HID page 0x0007 usage 0x0096
    //
    // Keyboard LANG8
    // Corresponds to USB HID page 0x0007 usage 0x0097
    //
    // Keyboard LANG9
    // Corresponds to USB HID page 0x0007 usage 0x0098
    //
    // Keyboard Alternate Erase
    // Corresponds to USB HID page 0x0007 usage 0x0099
    //
    // Keyboard SysReq/Attention
    // Corresponds to USB HID page 0x0007 usage 0x009a
    //
    // Keyboard Cancel
    // Corresponds to USB HID page 0x0007 usage 0x009b
    //
    // Keyboard Clear
    // Corresponds to USB HID page 0x0007 usage 0x009c
    //
    // Keyboard Prior
    // Corresponds to USB HID page 0x0007 usage 0x009d
    //
    // Keyboard Return
    // Corresponds to USB HID page 0x0007 usage 0x009e
    //
    // Keyboard Separator
    // Corresponds to USB HID page 0x0007 usage 0x009f
    //
    // Keyboard Out
    // Corresponds to USB HID page 0x0007 usage 0x00a0
    //
    // Keyboard Oper
    // Corresponds to USB HID page 0x0007 usage 0x00a1
    //
    // Keyboard Clear/Again
    // Corresponds to USB HID page 0x0007 usage 0x00a2
    //
    // Keyboard CrSel/Props
    // Corresponds to USB HID page 0x0007 usage 0x00a3
    //
    // Keyboard ExSel
    // Corresponds to USB HID page 0x0007 usage 0x00a4
    //
    // Note: USB HID usage page 0x0007 reserves codes 0x00a5 - 0x00af
    //
    // Keypad 00
    // Corresponds to USB HID page 0x0007 usage 0x00b0
    //
    // Keypad 000
    // Corresponds to USB HID page 0x0007 usage 0x00b1
    //
    // Thousands Separator
    // Corresponds to USB HID page 0x0007 usage 0x00b2
    //
    // Decimal Separator
    // Corresponds to USB HID page 0x0007 usage 0x00b3
    //
    // Currency Unit
    // Corresponds to USB HID page 0x0007 usage 0x00b4
    //
    // Currency Sub-unit
    // Corresponds to USB HID page 0x0007 usage 0x00b5
    //
    // Keypad (
    // Corresponds to USB HID page 0x0007 usage 0x00b6
    //
    // Keypad )
    // Corresponds to USB HID page 0x0007 usage 0x00b7
    //
    // Keypad {
    // Corresponds to USB HID page 0x0007 usage 0x00b8
    //
    // Keypad }
    // Corresponds to USB HID page 0x0007 usage 0x00b9
    //
    // Keypad Tab
    // Corresponds to USB HID page 0x0007 usage 0x00ba
    //
    // Keypad Backspace
    // Corresponds to USB HID page 0x0007 usage 0x00bb
    //
    // Keypad A
    // Corresponds to USB HID page 0x0007 usage 0x00bc
    //
    // Keypad B
    // Corresponds to USB HID page 0x0007 usage 0x00bd
    //
    // Keypad C
    // Corresponds to USB HID page 0x0007 usage 0x00be
    //
    // Keypad D
    // Corresponds to USB HID page 0x0007 usage 0x00bf
    //
    // Keypad E
    // Corresponds to USB HID page 0x0007 usage 0x00c0
    //
    // Keypad F
    // Corresponds to USB HID page 0x0007 usage 0x00c1
    //
    // Keypad XOR
    // Corresponds to USB HID page 0x0007 usage 0x00c2
    //
    // Keypad ^
    // Corresponds to USB HID page 0x0007 usage 0x00c3
    //
    // Keypad %
    // Corresponds to USB HID page 0x0007 usage 0x00c4
    //
    // Keypad <
    // Corresponds to USB HID page 0x0007 usage 0x00c5
    //
    // Keypad >
    // Corresponds to USB HID page 0x0007 usage 0x00c6
    //
    // Keypad &
    // Corresponds to USB HID page 0x0007 usage 0x00c7
    //
    // Keypad &&
    // Corresponds to USB HID page 0x0007 usage 0x00c8
    //
    // Keypad |
    // Corresponds to USB HID page 0x0007 usage 0x00c9
    //
    // Keypad ||
    // Corresponds to USB HID page 0x0007 usage 0x00ca
    //
    // Keypad :
    // Corresponds to USB HID page 0x0007 usage 0x00cb
    //
    // Keypad #
    // Corresponds to USB HID page 0x0007 usage 0x00cc
    //
    // Keypad Space
    // Corresponds to USB HID page 0x0007 usage 0x00cd
    //
    // Keypad @
    // Corresponds to USB HID page 0x0007 usage 0x00ce
    //
    // Keypad !
    // Corresponds to USB HID page 0x0007 usage 0x00cf
    //
    // Keypad Memory Store
    // Corresponds to USB HID page 0x0007 usage 0x00d0
    //
    // Keypad Memory Recall
    // Corresponds to USB HID page 0x0007 usage 0x00d1
    //
    // Keypad Memory Clear
    // Corresponds to USB HID page 0x0007 usage 0x00d2
    //
    // Keypad Memory Add
    // Corresponds to USB HID page 0x0007 usage 0x00d3
    //
    // Keypad Memory Subtract
    // Corresponds to USB HID page 0x0007 usage 0x00d4
    //
    // Keypad Memory Multiply
    // Corresponds to USB HID page 0x0007 usage 0x00d5
    //
    // Keypad Memory Divide
    // Corresponds to USB HID page 0x0007 usage 0x00d6
    //
    // Keypad +/-
    // Corresponds to USB HID page 0x0007 usage 0x00d7
    //
    // Keypad Clear
    // Corresponds to USB HID page 0x0007 usage 0x00d8
    //
    // Keypad Clear Entry
    // Corresponds to USB HID page 0x0007 usage 0x00d9
    //
    // Keypad Binary
    // Corresponds to USB HID page 0x0007 usage 0x00da
    //
    // Keypad Octal
    // Corresponds to USB HID page 0x0007 usage 0x00db
    //
    // Keypad Decimal
    // Corresponds to USB HID page 0x0007 usage 0x00dc
    //
    // Keypad Hexadecimal
    // Corresponds to USB HID page 0x0007 usage 0x00dd
};