qmk-firmware/keyboards/maple_computing/minidox/keymaps/haegin/keymap.c

#include QMK_KEYBOARD_H

extern keymap_config_t keymap_config;

// 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 LETTERS 0
#define SYMBOLS 1
#define MEDIA 2

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

/* Qwerty
 *
 * ,----------------------------------.           ,----------------------------------.
 * |   Q  |   W  |   E  |   R  |   T  |           |   Y  |   U  |   I  |   O  |   P  |
 * |------+------+------+------+------|           |------+------+------+------+------|
 * |   A  |   S  |   D  |   F  |   G  |           |   H  |   J  |   K  |   L  |   ;  |
 * |------+------+------+------+------|           |------+------+------+------+------|
 * |   Z  |   X  |   C  |   V  |   B  |           |   N  |   M  |   ,  |   .  |   /  |
 * `----------------------------------'           `----------------------------------'
 *                  ,--------------------.    ,------,-------------.
 *                  | Ctrl | LOWER|      |    |      | RAISE| Shift|
 *                  `-------------| Space|    |BckSpc|------+------.
 *                                |      |    |      |
 *                                `------'    `------'
 */
[LETTERS] = LAYOUT(
  KC_QUOT, KC_COMM, KC_DOT,  KC_P,    KC_Y,         KC_F,    KC_G,    KC_C,    KC_R,    KC_L,
  KC_A,    KC_O,    KC_E,    KC_U,    KC_I,         KC_D,    KC_H,    KC_T,    KC_N,    KC_S,
  KC_SCLN, KC_Q,    KC_J,    KC_K,    KC_X,         KC_B,    KC_M,    KC_W,    KC_V,    KC_Z,
  CTL_T(KC_ESC), SFT_T(KC_BSPC), GUI_T(KC_SPC),     LT(SYMBOLS, KC_ENT), LT(MEDIA, KC_TAB), ALT_T(LCTL(KC_B))
),

/* Raise
 *
 * ,----------------------------------.           ,----------------------------------.
 * |   1  |   2  |   3  |   4  |   5  |           |   6  |   7  |   8  |   9  |   0  |
 * |------+------+------+------+------|           |------+------+------+------+------|
 * |  Tab | Left | Down |  Up  | Right|           |      |   -  |   =  |   [  |   ]  |
 * |------+------+------+------+------|           |------+------+------+------+------|
 * |  Ctrl|   `  |  GUI |  Alt |      |           |      |      |      |   \  |   '  |
 * `----------------------------------'           `----------------------------------'
 *                  ,--------------------.    ,------,-------------.
 *                  |      | LOWER|      |    |      | RAISE|      |
 *                  `-------------|      |    |      |------+------.
 *                                |      |    |      |
 *                                `------'    `------'
 */
[SYMBOLS] = LAYOUT(
  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,         KC_6,    KC_7,    KC_8,    KC_9,    KC_0,
  KC_TAB,    KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT,      _______, KC_MINS, KC_EQL,  KC_LBRC, KC_RBRC,
  KC_LCTL, KC_GRV,  KC_LGUI, KC_LALT, _______,      _______, _______, _______, KC_BSLS,  KC_QUOT,
                    _______, _______, _______,      _______, _______, _______
),

/* Lower
 *
 * ,----------------------------------.           ,----------------------------------.
 * |   !  |   @  |   #  |   $  |   %  |           |   ^  |   &  |   *  |   (  |   )  |
 * |------+------+------+------+------|           |------+------+------+------+------|
 * |  Esc |      |      |      |      |           |      |   _  |   +  |   {  |   }  |
 * |------+------+------+------+------|           |------+------+------+------+------|
 * |  Caps|   ~  |      |      |      |           |      |      |      |   |  |   "  |
 * `----------------------------------'           `----------------------------------'
 *                  ,--------------------.    ,------,-------------.
 *                  |      | LOWER|      |    |      | RAISE|  Del |
 *                  `-------------|      |    | Enter|------+------.
 *                                |      |    |      |
 *                                `------'    `------'
 */
[MEDIA] = LAYOUT(
  KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC,      KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN,
  KC_ESC,  _______, _______, _______, _______,      _______, KC_UNDS, KC_PLUS, KC_LCBR, KC_RCBR,
  KC_CAPS, KC_TILD, _______, _______, _______,      _______, _______, _______, KC_PIPE,  KC_DQT,
                    _______, _______, _______,      KC_ENT,  _______, KC_DEL
)
};

void persistant_default_layer_set(uint16_t default_layer) {
  eeconfig_update_default_layer(default_layer);
  default_layer_set(default_layer);
}