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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Data in this file was created by referencing:
      6 //  USB HID Usage Tables (v1.11) 27 June 2001
      7 //  HIToolbox/Events.h (Mac)
      8 
      9 #include <stdint.h>
     10 
     11 typedef struct {
     12   // USB keycode:
     13   //  Upper 16-bits: USB Usage Page.
     14   //  Lower 16-bits: USB Usage Id: Assigned ID within this usage page.
     15   uint32_t usb_keycode;
     16 
     17   // Contains one of the following:
     18   //  On Linux: XKB scancode
     19   //  On Windows: Windows OEM scancode
     20   //  On Mac: Mac keycode
     21   uint16_t native_keycode;
     22 } usb_keymap;
     23 
     24 const usb_keymap usb_keycode_map[] = {
     25 
     26   //            USB      XKB     Win     Mac
     27   USB_KEYMAP(0x000000, 0x0000, 0x0000, 0xffff),  // Invalid
     28 
     29   // =========================================
     30   // USB Usage Page 0x01: Generic Desktop Page
     31   // =========================================
     32 
     33   // Sleep could be encoded as USB#0c0032, but there's no corresponding WakeUp
     34   // in the 0x0c USB page.
     35 
     36   //            USB      XKB     Win     Mac
     37   USB_KEYMAP(0x010082, 0x0096, 0x0000, 0xffff),  // SystemSleep
     38   USB_KEYMAP(0x010083, 0x0097, 0x0000, 0xffff),  // SystemWakeUp
     39 
     40   // =========================================
     41   // USB Usage Page 0x07: Keyboard/Keypad Page
     42   // =========================================
     43 
     44   // TODO(garykac):
     45   // XKB#005c ISO Level3 Shift
     46   // XKB#005e <>||
     47   // XKB#006d Linefeed
     48   // XKB#008a SunProps cf. USB#0700a3 CrSel/Props
     49   // XKB#008e SunOpen
     50   // Mac#003f kVK_Function
     51   // Mac#000a kVK_ISO_Section (ISO keyboards only)
     52   // Mac#0066 kVK_JIS_Eisu (USB#07008a Henkan?)
     53 
     54   //            USB      XKB     Win     Mac
     55   USB_KEYMAP(0x070000, 0x0000, 0x0000, 0xffff),  // Reserved
     56   USB_KEYMAP(0x070001, 0x0000, 0x0000, 0xffff),  // ErrorRollOver
     57   USB_KEYMAP(0x070002, 0x0000, 0x0000, 0xffff),  // POSTFail
     58   USB_KEYMAP(0x070003, 0x0000, 0x0000, 0xffff),  // ErrorUndefined
     59   USB_KEYMAP(0x070004, 0x0026, 0x001e, 0x0000),  // aA
     60   USB_KEYMAP(0x070005, 0x0038, 0x0030, 0x000b),  // bB
     61   USB_KEYMAP(0x070006, 0x0036, 0x002e, 0x0008),  // cC
     62   USB_KEYMAP(0x070007, 0x0028, 0x0020, 0x0002),  // dD
     63 
     64   USB_KEYMAP(0x070008, 0x001a, 0x0012, 0x000e),  // eE
     65   USB_KEYMAP(0x070009, 0x0029, 0x0021, 0x0003),  // fF
     66   USB_KEYMAP(0x07000a, 0x002a, 0x0022, 0x0005),  // gG
     67   USB_KEYMAP(0x07000b, 0x002b, 0x0023, 0x0004),  // hH
     68   USB_KEYMAP(0x07000c, 0x001f, 0x0017, 0x0022),  // iI
     69   USB_KEYMAP(0x07000d, 0x002c, 0x0024, 0x0026),  // jJ
     70   USB_KEYMAP(0x07000e, 0x002d, 0x0025, 0x0028),  // kK
     71   USB_KEYMAP(0x07000f, 0x002e, 0x0026, 0x0025),  // lL
     72 
     73   USB_KEYMAP(0x070010, 0x003a, 0x0032, 0x002e),  // mM
     74   USB_KEYMAP(0x070011, 0x0039, 0x0031, 0x002d),  // nN
     75   USB_KEYMAP(0x070012, 0x0020, 0x0018, 0x001f),  // oO
     76   USB_KEYMAP(0x070013, 0x0021, 0x0019, 0x0023),  // pP
     77   USB_KEYMAP(0x070014, 0x0018, 0x0010, 0x000c),  // qQ
     78   USB_KEYMAP(0x070015, 0x001b, 0x0013, 0x000f),  // rR
     79   USB_KEYMAP(0x070016, 0x0027, 0x001f, 0x0001),  // sS
     80   USB_KEYMAP(0x070017, 0x001c, 0x0014, 0x0011),  // tT
     81 
     82   USB_KEYMAP(0x070018, 0x001e, 0x0016, 0x0020),  // uU
     83   USB_KEYMAP(0x070019, 0x0037, 0x002f, 0x0009),  // vV
     84   USB_KEYMAP(0x07001a, 0x0019, 0x0011, 0x000d),  // wW
     85   USB_KEYMAP(0x07001b, 0x0035, 0x002d, 0x0007),  // xX
     86   USB_KEYMAP(0x07001c, 0x001d, 0x0015, 0x0010),  // yY
     87   USB_KEYMAP(0x07001d, 0x0034, 0x002c, 0x0006),  // zZ
     88   USB_KEYMAP(0x07001e, 0x000a, 0x0002, 0x0012),  // 1!
     89   USB_KEYMAP(0x07001f, 0x000b, 0x0003, 0x0013),  // 2@
     90 
     91   USB_KEYMAP(0x070020, 0x000c, 0x0004, 0x0014),  // 3#
     92   USB_KEYMAP(0x070021, 0x000d, 0x0005, 0x0015),  // 4$
     93   USB_KEYMAP(0x070022, 0x000e, 0x0006, 0x0017),  // 5%
     94   USB_KEYMAP(0x070023, 0x000f, 0x0007, 0x0016),  // 6^
     95   USB_KEYMAP(0x070024, 0x0010, 0x0008, 0x001a),  // 7&
     96   USB_KEYMAP(0x070025, 0x0011, 0x0009, 0x001c),  // 8*
     97   USB_KEYMAP(0x070026, 0x0012, 0x000a, 0x0019),  // 9(
     98   USB_KEYMAP(0x070027, 0x0013, 0x000b, 0x001d),  // 0)
     99 
    100   USB_KEYMAP(0x070028, 0x0024, 0x001c, 0x0024),  // Return
    101   USB_KEYMAP(0x070029, 0x0009, 0x0001, 0x0035),  // Escape
    102   USB_KEYMAP(0x07002a, 0x0016, 0x000e, 0x0033),  // Backspace
    103   USB_KEYMAP(0x07002b, 0x0017, 0x000f, 0x0030),  // Tab
    104   USB_KEYMAP(0x07002c, 0x0041, 0x0039, 0x0031),  // Spacebar
    105   USB_KEYMAP(0x07002d, 0x0014, 0x000c, 0x001b),  // -_
    106   USB_KEYMAP(0x07002e, 0x0015, 0x000d, 0x0018),  // =+
    107   USB_KEYMAP(0x07002f, 0x0022, 0x001a, 0x0021),  // [{
    108 
    109   USB_KEYMAP(0x070030, 0x0023, 0x001b, 0x001e),  // }]
    110   USB_KEYMAP(0x070031, 0x0033, 0x002b, 0x002a),  // \| (US keyboard only)
    111   // USB#070032 never appears on keyboards that have USB#070031.
    112   // Platforms use the same scancode as for the two keys.
    113   // The keycap varies on international keyboards:
    114   //   Dan: '*  Dutch: <>  Ger: #'  UK: #~
    115   // TODO(garykac): Verify Mac intl keyboard.
    116   //USB_KEYMAP(0x070032, 0x0033, 0x002b, 0x002a),  // #~ (Non-US)
    117   USB_KEYMAP(0x070033, 0x002f, 0x0027, 0x0029),  // ;:
    118   USB_KEYMAP(0x070034, 0x0030, 0x0028, 0x0027),  // '"
    119   USB_KEYMAP(0x070035, 0x0031, 0x0029, 0x0032),  // `~
    120   USB_KEYMAP(0x070036, 0x003b, 0x0033, 0x002b),  // ,<
    121   USB_KEYMAP(0x070037, 0x003c, 0x0034, 0x002f),  // .>
    122 
    123   USB_KEYMAP(0x070038, 0x003d, 0x0035, 0x002c),  // /?
    124   // TODO(garykac): CapsLock requires special handling for each platform.
    125   USB_KEYMAP(0x070039, 0x0042, 0x003a, 0x0039),  // CapsLock
    126   USB_KEYMAP(0x07003a, 0x0043, 0x003b, 0x007a),  // F1
    127   USB_KEYMAP(0x07003b, 0x0044, 0x003c, 0x0078),  // F2
    128   USB_KEYMAP(0x07003c, 0x0045, 0x003d, 0x0063),  // F3
    129   USB_KEYMAP(0x07003d, 0x0046, 0x003e, 0x0076),  // F4
    130   USB_KEYMAP(0x07003e, 0x0047, 0x003f, 0x0060),  // F5
    131   USB_KEYMAP(0x07003f, 0x0048, 0x0040, 0x0061),  // F6
    132 
    133   USB_KEYMAP(0x070040, 0x0049, 0x0041, 0x0062),  // F7
    134   USB_KEYMAP(0x070041, 0x004a, 0x0042, 0x0064),  // F8
    135   USB_KEYMAP(0x070042, 0x004b, 0x0043, 0x0065),  // F9
    136   USB_KEYMAP(0x070043, 0x004c, 0x0044, 0x006d),  // F10
    137   USB_KEYMAP(0x070044, 0x005f, 0x0057, 0x0067),  // F11
    138   USB_KEYMAP(0x070045, 0x0060, 0x0058, 0x006f),  // F12
    139   // PrintScreen is effectively F13 on Mac OS X.
    140   USB_KEYMAP(0x070046, 0x006b, 0xe037, 0xffff),  // PrintScreen
    141   USB_KEYMAP(0x070047, 0x004e, 0x0046, 0xffff),  // ScrollLock
    142 
    143   USB_KEYMAP(0x070048, 0x007f, 0x0000, 0xffff),  // Pause
    144   // Labeled "Help/Insert" on Mac.
    145   USB_KEYMAP(0x070049, 0x0076, 0xe052, 0x0072),  // Insert
    146   USB_KEYMAP(0x07004a, 0x006e, 0xe047, 0x0073),  // Home
    147   USB_KEYMAP(0x07004b, 0x0070, 0xe049, 0x0074),  // PageUp
    148   USB_KEYMAP(0x07004c, 0x0077, 0xe053, 0x0075),  // Delete (Forward Delete)
    149   USB_KEYMAP(0x07004d, 0x0073, 0xe04f, 0x0077),  // End
    150   USB_KEYMAP(0x07004e, 0x0075, 0xe051, 0x0079),  // PageDown
    151   USB_KEYMAP(0x07004f, 0x0072, 0xe04d, 0x007c),  // RightArrow
    152 
    153   USB_KEYMAP(0x070050, 0x0071, 0xe04b, 0x007b),  // LeftArrow
    154   USB_KEYMAP(0x070051, 0x0074, 0xe050, 0x007d),  // DownArrow
    155   USB_KEYMAP(0x070052, 0x006f, 0xe048, 0x007e),  // UpArrow
    156   USB_KEYMAP(0x070053, 0x004d, 0x0045, 0x0047),  // Keypad_NumLock Clear
    157   USB_KEYMAP(0x070054, 0x006a, 0xe035, 0x004b),  // Keypad_/
    158   USB_KEYMAP(0x070055, 0x003f, 0x0037, 0x0043),  // Keypad_*
    159   USB_KEYMAP(0x070056, 0x0052, 0x004a, 0x004e),  // Keypad_-
    160   USB_KEYMAP(0x070057, 0x0056, 0x004e, 0x0045),  // Keypad_+
    161 
    162   USB_KEYMAP(0x070058, 0x0068, 0xe01c, 0x004c),  // Keypad_Enter
    163   USB_KEYMAP(0x070059, 0x0057, 0x004f, 0x0053),  // Keypad_1 End
    164   USB_KEYMAP(0x07005a, 0x0058, 0x0050, 0x0054),  // Keypad_2 DownArrow
    165   USB_KEYMAP(0x07005b, 0x0059, 0x0051, 0x0055),  // Keypad_3 PageDown
    166   USB_KEYMAP(0x07005c, 0x0053, 0x004b, 0x0056),  // Keypad_4 LeftArrow
    167   USB_KEYMAP(0x07005d, 0x0054, 0x004c, 0x0057),  // Keypad_5
    168   USB_KEYMAP(0x07005e, 0x0055, 0x004d, 0x0058),  // Keypad_6 RightArrow
    169   USB_KEYMAP(0x07005f, 0x004f, 0x0047, 0x0059),  // Keypad_7 Home
    170 
    171   USB_KEYMAP(0x070060, 0x0050, 0x0048, 0x005b),  // Keypad_8 UpArrow
    172   USB_KEYMAP(0x070061, 0x0051, 0x0049, 0x005c),  // Keypad_9 PageUp
    173   USB_KEYMAP(0x070062, 0x005a, 0x0052, 0x0052),  // Keypad_0 Insert
    174   USB_KEYMAP(0x070063, 0x005b, 0x0053, 0x0041),  // Keypad_. Delete
    175   // USB#070064 is not present on US keyboard.
    176   // This key is typically located near LeftShift key.
    177   // The keycap varies on international keyboards:
    178   //   Dan: <> Dutch: ][ Ger: <> UK: \|
    179   USB_KEYMAP(0x070064, 0x005e, 0x0056, 0x000a),  // Non-US \|
    180   USB_KEYMAP(0x070065, 0x0087, 0xe05d, 0x006e),  // AppMenu (next to RWin key)
    181   USB_KEYMAP(0x070066, 0x007c, 0x0000, 0xffff),  // Power
    182   USB_KEYMAP(0x070067, 0x007d, 0x0000, 0x0051),  // Keypad_=
    183 
    184   USB_KEYMAP(0x070068, 0x0000, 0x005b, 0x0069),  // F13
    185   USB_KEYMAP(0x070069, 0x0000, 0x005c, 0x006b),  // F14
    186   USB_KEYMAP(0x07006a, 0x0000, 0x005d, 0x0071),  // F15
    187   USB_KEYMAP(0x07006b, 0x0000, 0x0063, 0x006a),  // F16
    188   USB_KEYMAP(0x07006c, 0x0000, 0x0064, 0x0040),  // F17
    189   USB_KEYMAP(0x07006d, 0x0000, 0x0065, 0x004f),  // F18
    190   USB_KEYMAP(0x07006e, 0x0000, 0x0066, 0x0050),  // F19
    191   USB_KEYMAP(0x07006f, 0x0000, 0x0067, 0x005a),  // F20
    192 
    193   USB_KEYMAP(0x070070, 0x0000, 0x0068, 0xffff),  // F21
    194   USB_KEYMAP(0x070071, 0x0000, 0x0069, 0xffff),  // F22
    195   USB_KEYMAP(0x070072, 0x0000, 0x006a, 0xffff),  // F23
    196   USB_KEYMAP(0x070073, 0x0000, 0x006b, 0xffff),  // F24
    197   USB_KEYMAP(0x070074, 0x0000, 0x0000, 0xffff),  // Execute
    198   USB_KEYMAP(0x070075, 0x0092, 0xe03b, 0xffff),  // Help
    199   USB_KEYMAP(0x070076, 0x0093, 0x0000, 0xffff),  // Menu
    200   USB_KEYMAP(0x070077, 0x0000, 0x0000, 0xffff),  // Select
    201 
    202   USB_KEYMAP(0x070078, 0x0000, 0x0000, 0xffff),  // Stop
    203   USB_KEYMAP(0x070079, 0x0089, 0x0000, 0xffff),  // Again (Redo)
    204   USB_KEYMAP(0x07007a, 0x008b, 0xe008, 0xffff),  // Undo
    205   USB_KEYMAP(0x07007b, 0x0091, 0xe017, 0xffff),  // Cut
    206   USB_KEYMAP(0x07007c, 0x008d, 0xe018, 0xffff),  // Copy
    207   USB_KEYMAP(0x07007d, 0x008f, 0xe00a, 0xffff),  // Paste
    208   USB_KEYMAP(0x07007e, 0x0090, 0x0000, 0xffff),  // Find
    209   USB_KEYMAP(0x07007f, 0x0079, 0xe020, 0x004a),  // Mute
    210 
    211   USB_KEYMAP(0x070080, 0x007b, 0xe030, 0x0048),  // VolumeUp
    212   USB_KEYMAP(0x070081, 0x007a, 0xe02e, 0x0049),  // VolumeDown
    213   USB_KEYMAP(0x070082, 0x0000, 0x0000, 0xffff),  // LockingCapsLock
    214   USB_KEYMAP(0x070083, 0x0000, 0x0000, 0xffff),  // LockingNumLock
    215   USB_KEYMAP(0x070084, 0x0000, 0x0000, 0xffff),  // LockingScrollLock
    216   // USB#070085 is used as Brazilian Keypad_.
    217   USB_KEYMAP(0x070085, 0x0000, 0x0000, 0x005f),  // Keypad_Comma
    218   // USB#070086 is used on AS/400 keyboards. Standard Keypad_= is USB#070067.
    219   //USB_KEYMAP(0x070086, 0x0000, 0x0000, 0xffff),  // Keypad_=
    220   // USB#070087 is used for Brazilian /? and Japanese _ 'ro'.
    221   USB_KEYMAP(0x070087, 0x0061, 0x0000, 0x005e),  // International1
    222 
    223   // USB#070088 is used as Japanese Hiragana/Katakana key.
    224   USB_KEYMAP(0x070088, 0x0065, 0x0000, 0x0068),  // International2
    225   // USB#070089 is used as Japanese Yen key.
    226   USB_KEYMAP(0x070089, 0x0084, 0x007d, 0x005d),  // International3
    227   // USB#07008a is used as Japanese Henkan (Convert) key.
    228   USB_KEYMAP(0x07008a, 0x0064, 0x0000, 0xffff),  // International4
    229   // USB#07008b is used as Japanese Muhenkan (No-convert) key.
    230   USB_KEYMAP(0x07008b, 0x0066, 0x0000, 0xffff),  // International5
    231   USB_KEYMAP(0x07008c, 0x0000, 0x0000, 0xffff),  // International6
    232   USB_KEYMAP(0x07008d, 0x0000, 0x0000, 0xffff),  // International7
    233   USB_KEYMAP(0x07008e, 0x0000, 0x0000, 0xffff),  // International8
    234   USB_KEYMAP(0x07008f, 0x0000, 0x0000, 0xffff),  // International9
    235 
    236   // USB#070090 is used as Korean Hangul/English toggle key.
    237   USB_KEYMAP(0x070090, 0x0082, 0x0000, 0xffff),  // LANG1
    238   // USB#070091 is used as Korean Hanja conversion key.
    239   USB_KEYMAP(0x070091, 0x0083, 0x0000, 0xffff),  // LANG2
    240   // USB#070092 is used as Japanese Katakana key.
    241   USB_KEYMAP(0x070092, 0x0062, 0x0000, 0xffff),  // LANG3
    242   // USB#070093 is used as Japanese Hiragana key.
    243   USB_KEYMAP(0x070093, 0x0063, 0x0000, 0xffff),  // LANG4
    244   // USB#070094 is used as Japanese Zenkaku/Hankaku (Fullwidth/halfwidth) key.
    245   USB_KEYMAP(0x070094, 0x0000, 0x0000, 0xffff),  // LANG5
    246   USB_KEYMAP(0x070095, 0x0000, 0x0000, 0xffff),  // LANG6
    247   USB_KEYMAP(0x070096, 0x0000, 0x0000, 0xffff),  // LANG7
    248   USB_KEYMAP(0x070097, 0x0000, 0x0000, 0xffff),  // LANG8
    249 
    250   USB_KEYMAP(0x070098, 0x0000, 0x0000, 0xffff),  // LANG9
    251   USB_KEYMAP(0x070099, 0x0000, 0x0000, 0xffff),  // AlternateErase
    252   USB_KEYMAP(0x07009a, 0x0000, 0x0000, 0xffff),  // SysReq/Attention
    253   USB_KEYMAP(0x07009b, 0x0088, 0x0000, 0xffff),  // Cancel
    254   USB_KEYMAP(0x07009c, 0x0000, 0x0000, 0xffff),  // Clear
    255   USB_KEYMAP(0x07009d, 0x0000, 0x0000, 0xffff),  // Prior
    256   USB_KEYMAP(0x07009e, 0x0000, 0x0000, 0xffff),  // Return
    257   USB_KEYMAP(0x07009f, 0x0000, 0x0000, 0xffff),  // Separator
    258 
    259   USB_KEYMAP(0x0700a0, 0x0000, 0x0000, 0xffff),  // Out
    260   USB_KEYMAP(0x0700a1, 0x0000, 0x0000, 0xffff),  // Oper
    261   USB_KEYMAP(0x0700a2, 0x0000, 0x0000, 0xffff),  // Clear/Again
    262   USB_KEYMAP(0x0700a3, 0x0000, 0x0000, 0xffff),  // CrSel/Props
    263   USB_KEYMAP(0x0700a4, 0x0000, 0x0000, 0xffff),  // ExSel
    264 
    265   //USB_KEYMAP(0x0700b0, 0x0000, 0x0000, 0xffff),  // Keypad_00
    266   //USB_KEYMAP(0x0700b1, 0x0000, 0x0000, 0xffff),  // Keypad_000
    267   //USB_KEYMAP(0x0700b2, 0x0000, 0x0000, 0xffff),  // ThousandsSeparator
    268   //USB_KEYMAP(0x0700b3, 0x0000, 0x0000, 0xffff),  // DecimalSeparator
    269   //USB_KEYMAP(0x0700b4, 0x0000, 0x0000, 0xffff),  // CurrencyUnit
    270   //USB_KEYMAP(0x0700b5, 0x0000, 0x0000, 0xffff),  // CurrencySubunit
    271   USB_KEYMAP(0x0700b6, 0x00bb, 0x0000, 0xffff),  // Keypad_(
    272   USB_KEYMAP(0x0700b7, 0x00bc, 0x0000, 0xffff),  // Keypad_)
    273 
    274   //USB_KEYMAP(0x0700b8, 0x0000, 0x0000, 0xffff),  // Keypad_{
    275   //USB_KEYMAP(0x0700b9, 0x0000, 0x0000, 0xffff),  // Keypad_}
    276   //USB_KEYMAP(0x0700ba, 0x0000, 0x0000, 0xffff),  // Keypad_Tab
    277   //USB_KEYMAP(0x0700bb, 0x0000, 0x0000, 0xffff),  // Keypad_Backspace
    278   //USB_KEYMAP(0x0700bc, 0x0000, 0x0000, 0xffff),  // Keypad_A
    279   //USB_KEYMAP(0x0700bd, 0x0000, 0x0000, 0xffff),  // Keypad_B
    280   //USB_KEYMAP(0x0700be, 0x0000, 0x0000, 0xffff),  // Keypad_C
    281   //USB_KEYMAP(0x0700bf, 0x0000, 0x0000, 0xffff),  // Keypad_D
    282 
    283   //USB_KEYMAP(0x0700c0, 0x0000, 0x0000, 0xffff),  // Keypad_E
    284   //USB_KEYMAP(0x0700c1, 0x0000, 0x0000, 0xffff),  // Keypad_F
    285   //USB_KEYMAP(0x0700c2, 0x0000, 0x0000, 0xffff),  // Keypad_Xor
    286   //USB_KEYMAP(0x0700c3, 0x0000, 0x0000, 0xffff),  // Keypad_^
    287   //USB_KEYMAP(0x0700c4, 0x0000, 0x0000, 0xffff),  // Keypad_%
    288   //USB_KEYMAP(0x0700c5, 0x0000, 0x0000, 0xffff),  // Keypad_<
    289   //USB_KEYMAP(0x0700c6, 0x0000, 0x0000, 0xffff),  // Keypad_>
    290   //USB_KEYMAP(0x0700c7, 0x0000, 0x0000, 0xffff),  // Keypad_&
    291 
    292   //USB_KEYMAP(0x0700c8, 0x0000, 0x0000, 0xffff),  // Keypad_&&
    293   //USB_KEYMAP(0x0700c9, 0x0000, 0x0000, 0xffff),  // Keypad_|
    294   //USB_KEYMAP(0x0700ca, 0x0000, 0x0000, 0xffff),  // Keypad_||
    295   //USB_KEYMAP(0x0700cb, 0x0000, 0x0000, 0xffff),  // Keypad_:
    296   //USB_KEYMAP(0x0700cc, 0x0000, 0x0000, 0xffff),  // Keypad_#
    297   //USB_KEYMAP(0x0700cd, 0x0000, 0x0000, 0xffff),  // Keypad_Space
    298   //USB_KEYMAP(0x0700ce, 0x0000, 0x0000, 0xffff),  // Keypad_@
    299   //USB_KEYMAP(0x0700cf, 0x0000, 0x0000, 0xffff),  // Keypad_!
    300 
    301   //USB_KEYMAP(0x0700d0, 0x0000, 0x0000, 0xffff),  // Keypad_MemoryStore
    302   //USB_KEYMAP(0x0700d1, 0x0000, 0x0000, 0xffff),  // Keypad_MemoryRecall
    303   //USB_KEYMAP(0x0700d2, 0x0000, 0x0000, 0xffff),  // Keypad_MemoryClear
    304   //USB_KEYMAP(0x0700d3, 0x0000, 0x0000, 0xffff),  // Keypad_MemoryAdd
    305   //USB_KEYMAP(0x0700d4, 0x0000, 0x0000, 0xffff),  // Keypad_MemorySubtract
    306   //USB_KEYMAP(0x0700d5, 0x0000, 0x0000, 0xffff),  // Keypad_MemoryMultiply
    307   //USB_KEYMAP(0x0700d6, 0x0000, 0x0000, 0xffff),  // Keypad_MemoryDivide
    308   USB_KEYMAP(0x0700d7, 0x007e, 0x0000, 0xffff),  // Keypad_+/-
    309 
    310   //USB_KEYMAP(0x0700d8, 0x0000, 0x0000, 0xffff),  // Keypad_Clear
    311   //USB_KEYMAP(0x0700d9, 0x0000, 0x0000, 0xffff),  // Keypad_ClearEntry
    312   //USB_KEYMAP(0x0700da, 0x0000, 0x0000, 0xffff),  // Keypad_Binary
    313   //USB_KEYMAP(0x0700db, 0x0000, 0x0000, 0xffff),  // Keypad_Octal
    314   USB_KEYMAP(0x0700dc, 0x0081, 0x0000, 0xffff),  // Keypad_Decimal
    315   //USB_KEYMAP(0x0700dd, 0x0000, 0x0000, 0xffff),  // Keypad_Hexadecimal
    316   // USB#0700de - #0700df are reserved.
    317 
    318   USB_KEYMAP(0x0700e0, 0x0025, 0x001d, 0x003b),  // LeftControl
    319   USB_KEYMAP(0x0700e1, 0x0032, 0x002a, 0x0038),  // LeftShift
    320   USB_KEYMAP(0x0700e2, 0x0040, 0x0038, 0x003a),  // LeftAlt/Option
    321   USB_KEYMAP(0x0700e3, 0x0085, 0xe05b, 0x0037),  // LeftGUI/Super/Win/Cmd
    322   USB_KEYMAP(0x0700e4, 0x0069, 0xe01d, 0x003e),  // RightControl
    323   USB_KEYMAP(0x0700e5, 0x003e, 0x0036, 0x003c),  // RightShift
    324   USB_KEYMAP(0x0700e6, 0x006c, 0xe038, 0x003d),  // RightAlt/Option
    325   USB_KEYMAP(0x0700e7, 0x0086, 0xe05c, 0x0036),  // RightGUI/Super/Win/Cmd
    326 
    327   // USB#0700e8 - #07ffff are reserved
    328 
    329   // ==================================
    330   // USB Usage Page 0x0c: Consumer Page
    331   // ==================================
    332   // AL = Application Launch
    333   // AC = Application Control
    334 
    335   // TODO(garykac): Many XF86 keys have multiple scancodes mapping to them.
    336   // We need to map all of these into a canonical USB scancode without
    337   // confusing the reverse-lookup - most likely by simply returning the first
    338   // found match.
    339 
    340   // TODO(garykac): Find appropriate mappings for:
    341   // Win#e06b LaunchApp1 (My Computer?)
    342   // Win#e021 LaunchApp2 (Calculator?)
    343   // Win#e03c Music - USB#0c0193 is AL_AVCapturePlayback
    344   // Win#e06d Video - USB#0c0193 is AL_AVCapturePlayback
    345   // Win#e064 Pictures
    346   // XKB#0080 XF86LaunchA
    347   // XKB#0097 XF86WakeUp
    348   // XKB#0099 XF86Send
    349   // XKB#009b XF86Xfer
    350   // XKB#009c XF86Launch1
    351   // XKB#009d XF86Launch2
    352   // XKB... remaining XF86 keys
    353 
    354   //            USB      XKB     Win     Mac
    355   USB_KEYMAP(0x0c00b5, 0x0000, 0xe019, 0xffff),  // ScanNextTrack
    356   USB_KEYMAP(0x0c00b6, 0x0000, 0xe010, 0xffff),  // ScanPreviousTrack
    357   USB_KEYMAP(0x0c00b7, 0x0000, 0xe024, 0xffff),  // Stop
    358   USB_KEYMAP(0x0c00b8, 0x0000, 0xe02c, 0xffff),  // Eject
    359   USB_KEYMAP(0x0c00cd, 0x0000, 0xe022, 0xffff),  // Play/Pause
    360   USB_KEYMAP(0x0c018a, 0x0000, 0xe01e, 0xffff),  // AL_EmailReader
    361   USB_KEYMAP(0x0c0192, 0x0094, 0x0000, 0xffff),  // AL_Calculator
    362   // USB#0c0194: My Computer
    363   USB_KEYMAP(0x0c0194, 0x00a5, 0x0000, 0xffff),  // AL_LocalMachineBrowser
    364   USB_KEYMAP(0x0c01a7, 0x00f3, 0x0000, 0xffff),  // AL_Documents
    365   // USB#0c01b4: Home Directory
    366   USB_KEYMAP(0x0c01b4, 0x0098, 0x0000, 0xffff),  // AL_FileBrowser (Explorer)
    367   USB_KEYMAP(0x0c0221, 0x0000, 0xe065, 0xffff),  // AC_Search
    368   USB_KEYMAP(0x0c0223, 0x0000, 0xe032, 0xffff),  // AC_Home
    369   USB_KEYMAP(0x0c0224, 0x00a6, 0xe06a, 0xffff),  // AC_Back
    370   USB_KEYMAP(0x0c0225, 0x00a7, 0xe069, 0xffff),  // AC_Forward
    371   USB_KEYMAP(0x0c0226, 0x0000, 0xe068, 0xffff),  // AC_Stop
    372   USB_KEYMAP(0x0c0227, 0x00b5, 0xe067, 0xffff),  // AC_Refresh (Reload)
    373   USB_KEYMAP(0x0c022a, 0x00a4, 0xe066, 0xffff),  // AC_Bookmarks (Favorites)
    374   USB_KEYMAP(0x0c0289, 0x00f0, 0x0000, 0xffff),  // AC_Reply
    375   USB_KEYMAP(0x0c028b, 0x00f1, 0x0000, 0xffff),  // AC_ForwardMsg (MailForward)
    376   USB_KEYMAP(0x0c028c, 0x00ef, 0x0000, 0xffff),  // AC_Send
    377 };
    378 
    379 inline uint16_t InvalidNativeKeycode() {
    380   return usb_keycode_map[0].native_keycode;
    381 }
    382 
    383 inline uint16_t InvalidUsbKeycode() {
    384   return usb_keycode_map[0].usb_keycode;
    385 }
    386 
    387 inline uint16_t UsbKeycodeToNativeKeycode(uint32_t usb_keycode) {
    388   // Deal with some special-cases that don't fit the 1:1 mapping.
    389   if (usb_keycode == 0x070032) // non-US hash.
    390     usb_keycode = 0x070031; // US backslash.
    391 #if defined(OS_MACOSX)
    392   if (usb_keycode == 0x070046) // PrintScreen.
    393     usb_keycode = 0x070068; // F13.
    394 #endif
    395 
    396   for (size_t i = 0; i < arraysize(usb_keycode_map); ++i) {
    397     if (usb_keycode_map[i].usb_keycode == usb_keycode)
    398       return usb_keycode_map[i].native_keycode;
    399   }
    400   return InvalidNativeKeycode();
    401 }
    402 
    403 inline uint32_t NativeKeycodeToUsbKeycode(uint16_t native_keycode) {
    404   for (size_t i = 0; i < arraysize(usb_keycode_map); ++i) {
    405     if (usb_keycode_map[i].native_keycode == native_keycode)
    406       return usb_keycode_map[i].usb_keycode;
    407   }
    408   return InvalidUsbKeycode();
    409 }
    410