qmk_firmware/layouts/community/66_ansi/xyverz/keymap.c

// Xyverz' keymap.
// It's based on the default keymap, but Dvorak!

#include QMK_KEYBOARD_H

enum layer_names {
  _QWERTY,
  _DVORAK,
  _COLEMAK,
  _FL,
  _CL
};

enum planck_keycodes {
  QWERTY = SAFE_RANGE,
  COLEMAK,
  DVORAK
};

// Useful defines
#define MODS_CTRL_MASK  (MOD_BIT(KC_LSFT)|MOD_BIT(KC_RSFT))
#define FN_CAPS     LT(_FL, KC_CAPS)            // Tap for Caps Lock, Hold for Function Layer

// clang-format off
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
  /* Keymap _QWERTY: Base Layer (Default Layer)
   * ,-----------------------------------------------------------.  ,---.
   * |Esc|  1|  2|  3|  4|  5|  6|  7|  8|  9|  0|  -|  =|  \| BS|  |PgU|
   * |-----------------------------------------------------------|  |---|
   * |HpTab|  Q|  W|  E|  R|  T|  Y|  U|  I|  O|  P|  [|  ]|    \|  |PgD|
   * |-----------------------------------------------------------|  `---'
   * |FnCaps|  A|  S|  D|  F|  G|  H|  J|  K|  L|  ;|  '|   | Ent|
   * |--------------------------------------------------------------.
   * |Shift|  |  Z|  X|  C|  V|  B|  N|  M|  ,|  .|  /|Shift| Fn| Up|
   * |------------------------------------------------------------------.
   * |Ctrl|Gui|Alt |    | Space| Space|    |Alt |Gui |Ctrl|Left|Down|Rgt|
   * `------------------------------------------------------------------'
   */

[_QWERTY] = LAYOUT_66_ansi (
  QK_GESC, KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_LBRC, KC_RBRC, 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, \
  FN_CAPS, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT, KC_ENT,                                      \
  KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,          KC_UP,                              \
  KC_LCTL, KC_LALT, KC_LGUI,                   KC_SPC,                             KC_RGUI, KC_RCTL, MO(_FL), KC_LEFT, KC_DOWN, KC_RGHT),

  /* Keymap _COLEMAK: Base Layer
   * ,-----------------------------------------------------------.  ,---.
   * |Esc|  1|  2|  3|  4|  5|  6|  7|  8|  9|  0|  -|  =|  \|  `|  |PgU|
   * |-----------------------------------------------------------|  |---|
   * |HpTab|  Q|  W|  F|  P|  G|  J|  L|  U|  Y|  ;|  [|  ]|   BS|  |PgD|
   * |-----------------------------------------------------------|  `---'
   * |FnCaps|  A|  R|  S|  T|  D|  H|  N|  E|  I|  O|  '|   | Ent|
   * |--------------------------------------------------------------.
   * |Shift|  |  Z|  X|  C|  V|  B|  K|  M|  ,|  .|  /|Shift| Fn| Up|
   * |------------------------------------------------------------------.
   * |Ctrl|Gui|Alt |    | Space| Space|    |Alt |Gui |Ctrl|Left|Down|Rgt|
   * `------------------------------------------------------------------'
   */
[_COLEMAK] = LAYOUT_66_ansi (
  QK_GESC, KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_LBRC, KC_RBRC, KC_BSPC,                   KC_PGUP, \
  KC_TAB,  KC_Q,    KC_W,    KC_F,    KC_P,    KC_G,    KC_J,    KC_L,    KC_U,    KC_Y,    KC_SCLN, KC_LBRC, KC_RBRC, KC_BSLS,                   KC_PGDN, \
  FN_CAPS, KC_A,    KC_R,    KC_S,    KC_T,    KC_D,    KC_H,    KC_N,    KC_E,    KC_I,    KC_O,    KC_QUOT, KC_ENT,                                      \
  KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_K,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,          KC_UP,                             \
  KC_LCTL, KC_LALT, KC_LGUI,                   KC_SPC,                             KC_RGUI, KC_RCTL, MO(_FL), KC_LEFT, KC_DOWN, KC_RGHT),

  /* Keymap _DVORAK: Base Layer
   * ,-----------------------------------------------------------.  ,---.
   * |Esc|  1|  2|  3|  4|  5|  6|  7|  8|  9|  0|  [|  ]|  \|  `|  |PgU|
   * |-----------------------------------------------------------|  |---|
   * |HpTab|  '|  ,|  .|  P|  Y|  F|  G|  C|  R|  L|  /|  =|   BS|  |PgD|
   * |-----------------------------------------------------------|  `---'
   * |FnCaps|  A|  O|  E|  U|  I|  D|  H|  T|  N|  S|  -|   | Ent|
   * |--------------------------------------------------------------.
   * |Shift|  |  ;|  Q|  J|  K|  X|  B|  M|  W|  V|  Z|Shift| Fn| Up|
   * |------------------------------------------------------------------.
   * |Ctrl|Gui|Alt |    | Space| Space|    |Alt |Gui |Ctrl|Left|Down|Rgt|
   * `------------------------------------------------------------------'
   */
[_DVORAK] = LAYOUT_66_ansi (
  QK_GESC, KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_LBRC, KC_RBRC, KC_BSPC,                   KC_PGUP, \
  KC_TAB,  KC_QUOT, KC_COMM, KC_DOT,  KC_P,    KC_Y,    KC_F,    KC_G,    KC_C,    KC_R,    KC_L,    KC_SLSH, KC_EQL,  KC_BSLS,                   KC_PGDN, \
  FN_CAPS, KC_A,    KC_O,    KC_E,    KC_U,    KC_I,    KC_D,    KC_H,    KC_T,    KC_N,    KC_S,    KC_MINS, KC_ENT,                                      \
  KC_LSFT, KC_SCLN, KC_Q,    KC_J,    KC_K,    KC_X,    KC_B,    KC_M,    KC_W,    KC_V,    KC_Z,    KC_RSFT,          KC_UP,                             \
  KC_LCTL, KC_LALT, KC_LGUI,                   KC_SPC,                             KC_RGUI, KC_RCTL, MO(_FL), KC_LEFT, KC_DOWN, KC_RGHT),

  /* Keymap _FL: Function Layer
   */
[_FL] = LAYOUT_66_ansi (
  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_SCRL, KC_PAUS, _______, _______, _______,                   _______, \
  _______, _______, MO(_CL), _______, _______, _______, _______, KC_MUTE, KC_VOLD, KC_VOLU, _______, _______, _______,                                     \
  _______, _______, _______, _______, _______, _______, KC_MPRV, KC_MPLY, KC_MNXT, _______, _______, _______,          KC_PGUP,                            \
  _______, _______, _______,                   _______,                            _______, _______, _______, KC_HOME, KC_PGDN, KC_END),
  
  /* Keymap _CL: Control layer
   */
[_CL] = LAYOUT_66_ansi (
  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, RGB_TOG,                   RGB_VAI, \
  _______, _______, _______, _______, QK_BOOT, _______, _______, _______, _______, _______, _______, _______, _______, _______,                   RGB_VAD, \
  _______, _______, MO(_CL), _______, _______, _______, _______, QWERTY,  COLEMAK, DVORAK,  _______, _______, _______,                                     \
  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          RGB_SAI,                            \
  _______, _______, _______,                   RGB_MOD,                            _______, _______, _______, RGB_HUD, RGB_SAD, RGB_HUI),
};
// clang-format on

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
    if (record->event.pressed) {
        switch (keycode) {
            case QWERTY:
                set_single_persistent_default_layer(_QWERTY);
                return false;
            case DVORAK:
                set_single_persistent_default_layer(_DVORAK);
                return false;
            case COLEMAK:
                set_single_persistent_default_layer(_COLEMAK);
                return false;
        }
    }
    return true;
}