neovim/src/nvim/keycodes.lua

return {
  --- @type [string, string][] List of [key, name] tuples.
  --- For keys with multiple names, put the preferred name first.
  --- For multiple keys with the same name, put the preferred key first.
  names = {
    { [[' ']], 'Space' },
    { [[TAB]], 'Tab' },
    { [[K_TAB]], 'Tab' },
    { [[NL]], 'NL' },
    { [[NL]], 'NewLine' }, -- Alternative name
    { [[NL]], 'LineFeed' }, -- Alternative name
    { [[NL]], 'LF' }, -- Alternative name
    { [[CAR]], 'CR' },
    { [[CAR]], 'Return' }, -- Alternative name
    { [[CAR]], 'Enter' }, -- Alternative name
    { [[K_BS]], 'BS' },
    { [[K_BS]], 'BackSpace' }, -- Alternative name
    { [[ESC]], 'Esc' },
    { [[ESC]], 'Escape' }, -- Alternative name
    { [[CSI]], 'CSI' },
    { [['|']], 'Bar' },
    { [['\\']], 'Bslash' },
    { [[K_DEL]], 'Del' },
    { [[K_DEL]], 'Delete' }, -- Alternative name
    { [[K_KDEL]], 'kDel' },
    { [[K_KDEL]], 'KPPeriod' }, -- libtermkey name
    { [[K_UP]], 'Up' },
    { [[K_DOWN]], 'Down' },
    { [[K_LEFT]], 'Left' },
    { [[K_RIGHT]], 'Right' },
    { [[K_XUP]], 'xUp' },
    { [[K_XDOWN]], 'xDown' },
    { [[K_XLEFT]], 'xLeft' },
    { [[K_XRIGHT]], 'xRight' },
    { [[K_KUP]], 'kUp' },
    { [[K_KUP]], 'KP8' },
    { [[K_KDOWN]], 'kDown' },
    { [[K_KDOWN]], 'KP2' },
    { [[K_KLEFT]], 'kLeft' },
    { [[K_KLEFT]], 'KP4' },
    { [[K_KRIGHT]], 'kRight' },
    { [[K_KRIGHT]], 'KP6' },

    { [[K_F1]], 'F1' },
    { [[K_F2]], 'F2' },
    { [[K_F3]], 'F3' },
    { [[K_F4]], 'F4' },
    { [[K_F5]], 'F5' },
    { [[K_F6]], 'F6' },
    { [[K_F7]], 'F7' },
    { [[K_F8]], 'F8' },
    { [[K_F9]], 'F9' },
    { [[K_F10]], 'F10' },

    { [[K_F11]], 'F11' },
    { [[K_F12]], 'F12' },
    { [[K_F13]], 'F13' },
    { [[K_F14]], 'F14' },
    { [[K_F15]], 'F15' },
    { [[K_F16]], 'F16' },
    { [[K_F17]], 'F17' },
    { [[K_F18]], 'F18' },
    { [[K_F19]], 'F19' },
    { [[K_F20]], 'F20' },

    { [[K_F21]], 'F21' },
    { [[K_F22]], 'F22' },
    { [[K_F23]], 'F23' },
    { [[K_F24]], 'F24' },
    { [[K_F25]], 'F25' },
    { [[K_F26]], 'F26' },
    { [[K_F27]], 'F27' },
    { [[K_F28]], 'F28' },
    { [[K_F29]], 'F29' },
    { [[K_F30]], 'F30' },

    { [[K_F31]], 'F31' },
    { [[K_F32]], 'F32' },
    { [[K_F33]], 'F33' },
    { [[K_F34]], 'F34' },
    { [[K_F35]], 'F35' },
    { [[K_F36]], 'F36' },
    { [[K_F37]], 'F37' },
    { [[K_F38]], 'F38' },
    { [[K_F39]], 'F39' },
    { [[K_F40]], 'F40' },

    { [[K_F41]], 'F41' },
    { [[K_F42]], 'F42' },
    { [[K_F43]], 'F43' },
    { [[K_F44]], 'F44' },
    { [[K_F45]], 'F45' },
    { [[K_F46]], 'F46' },
    { [[K_F47]], 'F47' },
    { [[K_F48]], 'F48' },
    { [[K_F49]], 'F49' },
    { [[K_F50]], 'F50' },

    { [[K_F51]], 'F51' },
    { [[K_F52]], 'F52' },
    { [[K_F53]], 'F53' },
    { [[K_F54]], 'F54' },
    { [[K_F55]], 'F55' },
    { [[K_F56]], 'F56' },
    { [[K_F57]], 'F57' },
    { [[K_F58]], 'F58' },
    { [[K_F59]], 'F59' },
    { [[K_F60]], 'F60' },

    { [[K_F61]], 'F61' },
    { [[K_F62]], 'F62' },
    { [[K_F63]], 'F63' },

    { [[K_XF1]], 'xF1' },
    { [[K_XF2]], 'xF2' },
    { [[K_XF3]], 'xF3' },
    { [[K_XF4]], 'xF4' },

    { [[K_HELP]], 'Help' },
    { [[K_UNDO]], 'Undo' },
    { [[K_FIND]], 'Find' }, -- DEC key, often used as 'Home'
    { [[K_KSELECT]], 'Select' }, -- DEC key, often used as 'End'
    { [[K_INS]], 'Insert' },
    { [[K_INS]], 'Ins' }, -- Alternative name
    { [[K_KINS]], 'kInsert' },
    { [[K_KINS]], 'KP0' },
    { [[K_HOME]], 'Home' },
    { [[K_KHOME]], 'kHome' },
    { [[K_KHOME]], 'KP7' },
    { [[K_XHOME]], 'xHome' },
    { [[K_ZHOME]], 'zHome' },
    { [[K_END]], 'End' },
    { [[K_KEND]], 'kEnd' },
    { [[K_KEND]], 'KP1' },
    { [[K_XEND]], 'xEnd' },
    { [[K_ZEND]], 'zEnd' },
    { [[K_PAGEUP]], 'PageUp' },
    { [[K_PAGEDOWN]], 'PageDown' },
    { [[K_KPAGEUP]], 'kPageUp' },
    { [[K_KPAGEUP]], 'KP9' },
    { [[K_KPAGEDOWN]], 'kPageDown' },
    { [[K_KPAGEDOWN]], 'KP3' },
    { [[K_KORIGIN]], 'kOrigin' },
    { [[K_KORIGIN]], 'KP5' },

    { [[K_KPLUS]], 'kPlus' },
    { [[K_KPLUS]], 'KPPlus' },
    { [[K_KMINUS]], 'kMinus' },
    { [[K_KMINUS]], 'KPMinus' },
    { [[K_KDIVIDE]], 'kDivide' },
    { [[K_KDIVIDE]], 'KPDiv' },
    { [[K_KMULTIPLY]], 'kMultiply' },
    { [[K_KMULTIPLY]], 'KPMult' },
    { [[K_KENTER]], 'kEnter' },
    { [[K_KENTER]], 'KPEnter' },
    { [[K_KPOINT]], 'kPoint' },
    { [[K_KCOMMA]], 'kComma' },
    { [[K_KCOMMA]], 'KPComma' },
    { [[K_KEQUAL]], 'kEqual' },
    { [[K_KEQUAL]], 'KPEquals' },

    { [[K_K0]], 'k0' },
    { [[K_K1]], 'k1' },
    { [[K_K2]], 'k2' },
    { [[K_K3]], 'k3' },
    { [[K_K4]], 'k4' },
    { [[K_K5]], 'k5' },
    { [[K_K6]], 'k6' },
    { [[K_K7]], 'k7' },
    { [[K_K8]], 'k8' },
    { [[K_K9]], 'k9' },

    { [['<']], 'lt' },

    { [[K_MOUSE]], 'Mouse' },
    { [[K_LEFTMOUSE]], 'LeftMouse' },
    { [[K_LEFTMOUSE_NM]], 'LeftMouseNM' },
    { [[K_LEFTDRAG]], 'LeftDrag' },
    { [[K_LEFTRELEASE]], 'LeftRelease' },
    { [[K_LEFTRELEASE_NM]], 'LeftReleaseNM' },
    { [[K_MOUSEMOVE]], 'MouseMove' },
    { [[K_MIDDLEMOUSE]], 'MiddleMouse' },
    { [[K_MIDDLEDRAG]], 'MiddleDrag' },
    { [[K_MIDDLERELEASE]], 'MiddleRelease' },
    { [[K_RIGHTMOUSE]], 'RightMouse' },
    { [[K_RIGHTDRAG]], 'RightDrag' },
    { [[K_RIGHTRELEASE]], 'RightRelease' },
    { [[K_MOUSEDOWN]], 'ScrollWheelUp' },
    { [[K_MOUSEUP]], 'ScrollWheelDown' },
    { [[K_MOUSELEFT]], 'ScrollWheelRight' },
    { [[K_MOUSERIGHT]], 'ScrollWheelLeft' },
    { [[K_MOUSEDOWN]], 'MouseDown' }, -- OBSOLETE: Use ScrollWheelUp instead
    { [[K_MOUSEUP]], 'MouseUp' }, -- OBSOLETE: Use ScrollWheelDown instead
    { [[K_X1MOUSE]], 'X1Mouse' },
    { [[K_X1DRAG]], 'X1Drag' },
    { [[K_X1RELEASE]], 'X1Release' },
    { [[K_X2MOUSE]], 'X2Mouse' },
    { [[K_X2DRAG]], 'X2Drag' },
    { [[K_X2RELEASE]], 'X2Release' },
    { [[K_DROP]], 'Drop' },
    { [[K_ZERO]], 'Nul' },
    { [[K_SNR]], 'SNR' },
    { [[K_PLUG]], 'Plug' },
    { [[K_IGNORE]], 'Ignore' },
    { [[K_COMMAND]], 'Cmd' },
    -- NOTE: When adding a long name update MAX_KEY_NAME_LEN.
  },
}