{
  config,
  lib,
  pkgs,
  ...
}: {
  services.kanata.enable = true;
  services.kanata.keyboards.mykbd.extraDefCfg = ''
    linux-dev-names-include (
      "AT Translated Set 2 keyboard"
    )
  '';
  services.kanata.keyboards.mykbd.config = ''

    (defvirtualkeys
      tld S-grv
    )
    (defsrc
      grv     1    2    3    4    5    6    7    8    9    0    -    =    bspc
      tab     q    w    f    p    b    j    l    u    y    '    [    ]
      caps    a    r    s    t    g    m    n    e    i    o
      lsft    z    x    c    d    v         k    h    ,    .    /
      lctl    lmet lalt           spc            ;    ret
    )

    (deflayer default
    ;;grv  1    2    3    4    5    6    7    8    9    0    -    =    bspc
      _    XX   XX   XX   XX   XX   XX   XX   XX   XX   XX   _    _    _
    ;;tab  q    w    f    d    b    j    l    u    y    '    [    ]
      _    _    _    _    _    _    _    _    _    _    _    _    _
    ;;caps a    r    s    t    g    m    n    e    i    o
      _    _    _    @chs @cht _    _    _    _    _    _
    ;;lsft z    x    c    d    v         k    h    ,    .    /
      _    _    _    _    @chd _         _    _    _    _    _
    ;;lctl lmet lalt           spc            ;    ret
      _    _    _              @chspc         _    @chret
    )

    (deflayer arrows
    ;;grv  1    2    3    4    5    6    7    8    9    0    -    =    bspc
      XX   XX   XX   XX   XX   XX   XX   XX   XX   XX   XX   _    _    XX
    ;;tab  q    w    f    p    b    j    l    u    y    '    [    ]
      XX   XX   XX   XX   XX   XX   XX   XX   XX   XX   XX   XX   XX
    ;;caps a    r    s    t    g    m    n    e    i    o
      XX   XX   XX   XX   XX   XX   left down up   rght XX
    ;;lsft z    x    c    d    v         k    h    ,    .    /
      XX   XX   XX   XX   XX   XX        XX   XX   XX   XX   XX
    ;;lctl lmet lalt           spc            ;    ret
      XX   XX   XX             XX             XX   XX
    )

    (deflayer num
    ;;grv  1    2    3    4    5    6    7    8    9    0    -    =    bspc
      XX   XX   XX   XX   XX   XX   XX   XX   XX   XX   XX   XX   XX   XX
    ;;tab  q    w    f    p    b    j    l    u    y    '    [    ]
      XX   XX   XX   XX   XX   XX   XX   7    8    9    XX   XX   XX
    ;;caps a    r    s    t    g    m    n    e    i    o
      XX   XX   XX   XX   XX   XX   XX   4    5    6    XX
    ;;lsft z    x    c    d    v         k    h    ,    .    /
      XX   XX   XX   XX   XX   XX        XX   1    2    3    XX
    ;;lctl lmet lalt           spc            ;    ret
      XX   XX   XX             XX             0    XX
    )

    (deflayer symbols
    ;;grv  1    2    3    4    5    6    7    8    9    0    -    =    bspc
      XX   XX   XX   XX   XX   XX   XX   XX   XX   XX   XX   XX   XX   XX
    ;;tab  q    w    f    p    b    j    l    u    y    '    [    ]
      XX   S-1  S-2  S-6  S-5  grv  S-7  S-3  S-8  S-4  XX   XX   XX
    ;;caps a    r    s    t    g    m    n    e    i    o
      XX   XX   XX   XX   XX   @tld XX   [    S-[  S-9  XX
    ;;lsft z    x    c    d    v         k    h    ,    .    /
      XX   XX   XX   XX   XX   XX        XX   ]    S-]  S-0  XX
    ;;lctl lmet lalt           spc            ;    ret
      XX   XX   XX             XX             XX   XX
    )
    (defalias
      num (layer-while-held num)
      arrows (layer-while-held arrows)
      symbols (layer-while-held symbols)
      cht (chord example t)
      chs (chord example s)
      chd (chord example d)
      chspc (chord example spc)
      chret (chord example ret)
      tld (on-press tap-virtualkey tld)
    )
    (defchords example 500
      (t) t
      (s) s
      (d) d
      (spc) spc
      (ret) ret
      (spc s) @num
      (spc t) @arrows
      (spc d) @symbols
    )
  '';
}