keymap.c

/*  -*-  eval: (turn-on-orgtbl); -*-
 * default HHKB Layout
 */
#include QMK_KEYBOARD_H

// layers
enum Layers {
    _BASE = 0,
    _FN,
    _UML // Umlauts
};

#define UML_AE RALT(KC_Q)
#define UML_OE RALT(KC_P)
#define UML_UE RALT(KC_Y)

// special keys
/* enum CustomKeys */
/* { */
/*     RGB_HALO = SAFE_RANGE */
/* }; */

// clang-format off

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {

    [_BASE] = LAYOUT(
            KC_ESC,         KC_1,    KC_2,   KC_3,   KC_4,   KC_5, KC_6, KC_7, KC_8,    KC_9,   KC_0,    KC_MINS, KC_EQL,  KC_BSLS, KC_GRV,
            KC_TAB,         KC_Q,    KC_W,   KC_E,   KC_R,   KC_T, KC_Y, KC_U, KC_I,    KC_O,   KC_P,    KC_LBRC, KC_RBRC, KC_BSPC,
            LCTL_T(KC_ESC), KC_A,    KC_S,   KC_D,   KC_F,   KC_G, KC_H, KC_J, KC_K,    KC_L,   KC_SCLN, KC_QUOT, KC_ENT,
            SC_LSPO,        KC_Z,    KC_X,   KC_C,   KC_V,   KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, SC_RSPC, MO(_UML),
            MO(_FN),        KC_LALT, KC_SPC, KC_ESC, KC_RGUI
            ),

    [_FN] = LAYOUT(
            QK_BOOT, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12, KC_INS,  KC_DEL,
            _______, KC_LCTL, KC_LALT, KC_LSFT, _______, _______, _______, _______, KC_PSCR, KC_LSCR, KC_PAUS, KC_HOME, KC_END, KC_BSPC,
            _______, KC_VOLD, KC_VOLU, KC_MUTE, _______, _______, KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT, KC_PGDN, KC_PGUP, _______,
            _______, _______, _______, KC_MPLY, _______, _______, _______, _______, _______, _______, _______, _______, _______,
            _______, KC_LALT, KC_SPC,  KC_ESC,  _______
            ),

    [_UML] = LAYOUT(
            _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
            _______, _______, _______, _______, _______, _______, _______, UML_UE,  _______, UML_OE,  _______, _______, _______, _______,
            KC_CAPS, UML_AE,  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
            _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
            _______, _______, _______, _______, _______
            ),
};

// clang-format on