キーボードをカスタムしてプログラミング環境を良くした話 / Improved programming environment with customizing keybords

2018/09/08 builderscon tokyo 2018 の LT スライドです。
Elixir の `|>` 演算子を1キー押すだけで入力できるようにする話です。

Transcript

1. ΩʔϘʔυΛΧελϜ͠
   ͯϓϩάϥϛϯά؀ڥΛ
   ྑͨ͘͠࿩
   builderscon tokyo 2018 @ma2ge
   

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2. PowerAssertEx ⭐ 160+
   github.com/ma2gedev/power_assert_ex
   

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3. ! Elixir
   

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4. |> ύΠϓԋࢉࢠ
   https://elixir-lang.org/getting-started/enumerables-and-streams.html#the-pipe-operator
   

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5. ύΠϓԋࢉࢠͷ࢖ΘΕํ
   # without pipe
   Enum.sum(Enum.map(1..100_000, &(&1 * 3)))
   # with pipe
   1..100_000
   |> Enum.map(&(&1 * 3))
   |> Enum.sum
   

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6. ͔͍͍ͬ͜ɻɻɻ͕ͩ |> ͸࠷ߴʹଧͪʹ͍͘
   

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9. 3 to 1
   

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10. !
    

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11. QMK
    https://github.com/qmk/qmk_firmware
    

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12. ࣄલʹඞཁͳ෺
    Firmware Λॻ͖ࠐΊΔΩʔϘʔυ
    

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13. ۩ମతʹ͸ ErgoDox EZ, Infinity
    ErgoDox, Planck, Helix ͳͲͷࣗ࡞Ω
    ʔϘʔυք۾ͰΑ͘ݟΔΩʔϘʔυ
    https://github.com/qmk/qmk_firmware/blob/master/keyboards/readme.md
    

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14. ! ͜ΕΒΛপ1ʹམͪͳ͍Α͏ʹؾ
    Λ͚ͭͭͭखʹೖΕ·͢(ࣗݾ੹೚)
    1 ΩʔΩϟοϓ͔Β࢝·ΓɺΩʔεΠον΍έʔεΛม͑ͨ͘ͳͬͨΓɺଞͷΩʔϘʔυ΋ཉ͘͠ͳͬͨΓɻ͔ͳ
    ΓͷপͰ͢ɻ
    

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15. QMK ͰಠࣗΩʔϚοϓ࡞Δ४උ
    # fork ͨ͠΋ͷΛ clone ͢Δͷ͕ΦεεϝͰ͢
    $ git clone git@github.com:qmk/qmk_firmware.git
    $ cd qmk_firmware
    # ରԠ͢ΔΩʔϘʔυͷ keymap.c Λมߋ͢Δײ͡ɻ
    # ҎԼ͸ Infinity ErgoDox ͷྫ
    $ cp -r keyboards/ergodox_infinity/keymaps/{default,your_own}
    $ vi keyboards/ergodox_infinity/keymaps/your_own/keymap.c
    

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16. QMK Λ࢖͏͜ͱͰΩʔϚοϓม͑ΒΕΔ
    const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
    /* Keymap 0: Basic layer
    *
    * ,--------------------------------------------------. ,--------------------------------------------------.
    * | Esc | 1 | 2 | 3 | 4 | 5 | Del | | |> | 6 | 7 | 8 | 9 | 0 | - |
    * |--------+------+------+------+------+-------------| |------+------+------+------+------+------+--------|
    * | Tab | Q | W | E | R | T | ` | | ' | Y | U | I | O | P | BkSp |
    * |--------+------+------+------+------+------| | | |------+------+------+------+------+--------|
    * | LCtrl | A | S | D | F | G |------| |------| H | J | K | L |; / L1| Enter |
    * |--------+------+------+------+------+------| Hyper| | B |------+------+------+------+------+--------|
    * | LShift |Z/Ctrl| X | C | V | B | | | | N | M | , | . |//Ctrl| RShift |
    * `--------+------+------+------+------+-------------' `-------------+------+------+------+------+--------'
    * |Grv/L1| Meh |AltShf| LALT | LGui| | \ | = | [ | ] | ~L1 |
    * `----------------------------------' `----------------------------------'
    * ,-------------. ,-------------.
    * | Up | Down | | Left | Right |
    * ,------|------|------| |------+--------+------.
    * | | | Home | | PgUp | | |
    * | Space| LANG1|------| |------| LANG2 |Enter |
    * | | | End | | PgDn | | /L2 |
    * `--------------------' `----------------------'
    */
    https://github.com/ma2gedev/qmk_firmware/blob/ma2gedev/keyboards/ergodox/keymaps/ma2gedev/keymap.c
    

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17. ͞ΒʹϚΫϩͷػೳ͕͋Γ·͢
    const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
    {
    switch(id) {
    case 0:
    if (record->event.pressed) {
    SEND_STRING (QMK_KEYBOARD "/" QMK_KEYMAP " @ " QMK_VERSION);
    }
    break;
    /* লུ */
    }
    return MACRO_NONE;
    };
    

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18. keycode ͷ୅ΘΓʹϚΫϩΛݺͼग़͢
    /* ௨ৗΩʔίʔυΛॻ͘ͱ͜Ζ΁ */
    KEYMAP(..., KC_1, ...)
    /* action_get_macro Λݺͼग़ͨ͢Ίͷ M ϚΫϩΛઃఆ͢Δ */
    KEYMAP(..., M(0), ...)
    

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19. ϚΫϩΛ௥Ճ͢Δ͜ͱͰύΠϓԋࢉࢠΛ
    ࣮ݱͯ͠Έ·͠ΐ͏
    /* @action_get_macro ʹҎԼΛ௥Ճ */
    case 2:
    if (record->event.pressed) { // For Elixir pipe operator
    SEND_STRING ("|>");
    }
    break;
    /* keymaps ͷ഑ྻͰΧελϚΠζ͍ͨ͠ΩʔͷϚοϐϯάΛҎԼʹมߋ */
    KEYMAP(..., M(2), ...)
    

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20. ϑΝʔϜ΢ΣΞͷॻ͖ࠐΈํ๏
    # ҎԼͷΩʔϘʔυ͝ͱͷσΟϨΫτϦʹ readme.md ͕͍͍ͩͨೖ͍ͬͯΔͷͰͦΕݟΔ
    https://github.com/qmk/qmk_firmware/tree/master/keyboards/
    # Infinity ErgoDox ͷ৔߹
    https://github.com/qmk/qmk_firmware/blob/master/keyboards/ergodox_infinity/readme.md
    

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22. !!!
    

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23. 3 to 1
    

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24. twitter: @ma2ge
    M3, Inc. / ΤϜεϦʔגࣜձࣾ
    https://www.m3tech.blog
    

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