qmk_firmware_custom/keyboards/clueboard/keymaps/skully/keymap.c

#include "clueboard.h"

// Helpful defines
#define GRAVE_MODS  (MOD_BIT(KC_LSHIFT)|MOD_BIT(KC_RSHIFT)|MOD_BIT(KC_LGUI)|MOD_BIT(KC_RGUI)|MOD_BIT(KC_LALT)|MOD_BIT(KC_RALT))
#define _______ KC_TRNS

// 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
#define _CL 2

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
  /* Keymap _BL: Base Layer (Default Layer)
   */
[_BL] = KEYMAP(
  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_GRV,  KC_BSPC,          KC_PGUP, \
  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_BSLS,                   KC_PGDN, \
  KC_LCTL,KC_A,   KC_S,   KC_D,   KC_F,  KC_G,   KC_H,   KC_J,   KC_K,   KC_L,    KC_SCLN,  KC_QUOT,  KC_NUHS,  KC_ENT,                             \
  KC_LSFT,KC_NUBS,KC_Z,   KC_X,   KC_C,  KC_V,   KC_B,   KC_N,   KC_M,   KC_COMM, KC_DOT,   KC_SLSH,  KC_RO,    KC_RSFT,          KC_UP,            \
  KC_LCTL,KC_LALT,KC_LGUI,MO(_FL),       KC_SPC, KC_SPC,                          MO(_FL),  KC_RGUI,  KC_RCTL,  MO(_FL), KC_LEFT, KC_DOWN, KC_RGHT),

  /* Keymap _FL: Function Layer
   */
[_FL] = KEYMAP(
  KC_GRV, 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_DEL,         BL_STEP, \
  _______,_______,_______,_______,_______,_______,_______,_______,KC_PSCR,KC_SLCK,KC_PAUS,_______,_______,_______,                _______, \
  _______,_______,MO(_CL),_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,                         \
  _______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,        KC_PGUP,         \
  _______,_______,_______,MO(_FL),        _______,_______,                        MO(_FL),_______,_______,MO(_FL),KC_HOME,KC_PGDN,KC_END),

  /* Keymap _CL: Control layer
   */
[_CL] = KEYMAP(
  _______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,          _______, \
  _______,_______,_______,_______,RESET,  _______,_______,_______,_______,_______,_______,_______,_______,_______,                  _______, \
  _______,_______,MO(_CL),_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,                           \
  _______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,         _______,          \
  _______,_______,_______,_______,        _______,_______,                        _______,_______,_______,MO(_FL),_______, _______, _______),
};

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

void action_function(keyrecord_t *record, uint8_t id, uint8_t opt) {
  static uint8_t mods_pressed;
  static bool mod_flag;

  switch (id) {
    case 0:
      /* Handle the combined Grave/Esc key
       */
      mods_pressed = get_mods()&GRAVE_MODS; // Check to see what mods are pressed

      if (record->event.pressed) {
        /* The key is being pressed.
         */
        if (mods_pressed) {
          mod_flag = true;
          add_key(KC_GRV);
          send_keyboard_report();
        } else {
          add_key(KC_ESC);
          send_keyboard_report();
        }
      } else {
        /* The key is being released.
         */
        if (mod_flag) {
          mod_flag = false;
          del_key(KC_GRV);
          send_keyboard_report();
        } else {
          del_key(KC_ESC);
          send_keyboard_report();
        }
      }
      break;
  }
}