qmk-dactyl-manuform-a/keyboards/gh60/satan/keymaps/isoHHKB/keymap.c

#include QMK_KEYBOARD_H

// Used for SHIFT_ESC
#define MODS_CTRL_MASK  (MOD_BIT(KC_LSHIFT)|MOD_BIT(KC_RSHIFT))

// Each layer gets a name for readability, which is then used in the keymap matrix below.
// The underscores don't mean anything - you can have a layer called STUFF or any other name.
// Layer names don't all need to be of the same length, obviously, and you can also skip them
// entirely and just use numbers.
#define _BL 0
#define _FL 1

enum custom_keycodes {
  KC_ENYE = SAFE_RANGE,
  KC_CEDL
};

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
  /* Keymap _BL: (Base Layer) Default Layer
   * ,-----------------------------------------------------------.
   * |Esc~| 1|  2|  3|  4|  5|  6|  7|  8|  9|  0|  -|  =|Backsp |
   * |-----------------------------------------------------------|
   * |Tab  |  Q|  W|  E|  R|  T|  Y|  U|  I|  O|  P|  [|  ]| Ret |
   * |-------------------------------------------------------.   |
   * |Ctrl   |  A|  S|  D|  F|  G|  H|  J|  K|  L|  Ñ|  ;| ' |urn|
   * |-----------------------------------------------------------|
   * |Shift   |  Z|  X|  C|  V|  B|  N|  M|  ,|  .|  /|Shift | Fn|
   * |-----------------------------------------------------------|
   * |    |Alt|WinK  |      Space            |WinK  |Alt|        |
   * `-----------------------------------------------------------'
   *
   */
  [_BL] = LAYOUT_60_iso_split_rshift( \
    F(0),          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_BSPC,
    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_LCTRL,      KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_ENYE, KC_SCLN, KC_QUOT,       KC_ENT,
    OSM(MOD_LSFT), _______, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, OSM(MOD_RSFT), MO(_FL),
    _______,       KC_LGUI, KC_LALT,                   KC_SPC,                                      _______, KC_RALT, KC_RGUI,       _______
  ),

  /* Keymap _FL: (Function Layer) Second Layer
   * ,-----------------------------------------------------------.
   * |    |F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|PSR|  RESET|
   * |-----------------------------------------------------------|
   * |     |   |VUP|   |   |   |   |   |   |   |   |   |   |     |
   * |-------------------------------------------------------.   |
   * |CapsLck|PRV|VDN|NXT|   |RGB|FRW|BRT|VAI|VAD|INC|DEC|   |   |
   * |-----------------------------------------------------------|
   * |        |   |   |  Ç|   |BTG|   |MUT|   |   |   |      |   |
   * |-----------------------------------------------------------|
   * |    |   |      |          PLY/PAU      |      |   |        |
   * `-----------------------------------------------------------'
   */
  [_FL] = LAYOUT_60_iso_split_rshift(\
    _______, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_PSCR, RESET,
    _______, _______, KC_VOLU, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
    KC_CAPS, KC_MPRV, KC_VOLD, KC_MNXT, _______, _______, RGB_TOG, RGB_MOD, RGB_M_B, RGB_VAI, RGB_VAD, BL_INC,  BL_DEC,  _______,
    _______, _______, _______, _______, KC_CEDL, _______, BL_TOGG, _______, KC_MUTE, _______, _______, _______, _______, _______,
    _______, _______, _______,                   KC_MPLY,                                     _______, _______, _______, _______
  )

};

enum function_id {
    SHIFT_ESC,
};

const uint16_t PROGMEM fn_actions[] = {
  [0]  = ACTION_FUNCTION(SHIFT_ESC),
};

void action_function(keyrecord_t *record, uint8_t id, uint8_t opt) {
  static uint8_t shift_esc_shift_mask;
  switch (id) {
    case SHIFT_ESC:
      shift_esc_shift_mask = get_mods()&MODS_CTRL_MASK;
      if (record->event.pressed) {
        if (shift_esc_shift_mask) {
          add_key(KC_GRV);
          send_keyboard_report();
        } else {
          add_key(KC_ESC);
          send_keyboard_report();
        }
      } else {
        if (shift_esc_shift_mask) {
          del_key(KC_GRV);
          send_keyboard_report();
        } else {
          del_key(KC_ESC);
          send_keyboard_report();
        }
      }
      break;
  }
};

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
    if (record->event.pressed) {
        switch(keycode) {
            case KC_ENYE: // Ñ
                register_code16(KC_LALT);
                tap_code(KC_KP_0);
                tap_code(KC_KP_2);
                tap_code(KC_KP_4);
                tap_code(KC_KP_1);
                unregister_code16(KC_LALT);
                return false;
            case KC_CEDL: // Ç
                register_code16(KC_LALT);
                tap_code(KC_KP_0);
                tap_code(KC_KP_2);
                tap_code(KC_KP_3);
                tap_code(KC_KP_1);
                unregister_code16(KC_LALT);
                return false;
            default:
              return true;
        }
    }
    return true;
};