qmk-firmware/keyboards/takashicompany/center_enter/keymaps/default/keymap.c

/* Copyright 2021 takashicompany
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#include QMK_KEYBOARD_H

// Defines the keycodes used by our macros in process_record_user
enum custom_keycodes {
    SWITCH_LANG
};

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
    
    LAYOUT(
        KC_TAB, LT(2, KC_Q), KC_W, KC_E, KC_R, KC_T,                             KC_Y, KC_U, KC_I, KC_O, ALT_T(KC_P),
        KC_LCTL, KC_A, KC_S, LT(2, KC_D), KC_F, KC_G,               SWITCH_LANG, KC_H, KC_J, LT(2, KC_K), KC_L, KC_ENT,
        KC_LSFT, KC_Z, GUI_T(KC_X), ALT_T(KC_C), LT(1, KC_V), KC_B, KC_SPC,      KC_N, LT(1, KC_M), KC_COMM, CTL_T(KC_DOT), KC_BSPC
    ),

    LAYOUT(
        KC_TRNS, KC_1, KC_2, KC_3, KC_4, KC_5,                          KC_6, KC_7, KC_8, KC_9, KC_0,
        KC_TRNS, KC_EQL, KC_LBRC, KC_SLSH, KC_MINS, KC_INT1,   KC_TRNS, KC_SCLN, KC_QUOT, KC_RBRC, KC_NUHS, KC_INT3,
        KC_TRNS, KC_LSFT, KC_LGUI, KC_LALT, KC_LNG2, KC_LSFT, KC_TRNS, KC_SPC, KC_LNG1, KC_TRNS, KC_TRNS, KC_DEL
    ),

    LAYOUT(
        KC_TRNS, KC_ESC, KC_TAB, KC_NO, KC_NO, KC_NO,                   KC_NO, KC_NO, KC_UP, KC_NO, KC_NO,
        KC_TRNS, KC_LCTL, KC_TRNS, KC_QUES, KC_EXLM, KC_NO,    KC_TRNS, KC_NO, KC_LEFT, KC_DOWN, KC_RGHT, KC_NO,
        KC_TRNS, KC_LSFT, KC_LGUI, KC_LALT, KC_LNG2, KC_TRNS, KC_TRNS, KC_TRNS, KC_LNG1, KC_NO, MO(3), KC_DEL
    ),

    LAYOUT(
        KC_TRNS, RGB_TOG, RGB_MOD, RGB_HUI, RGB_SAI, RGB_VAI,            KC_F1, KC_F2, KC_F3, KC_F4, KC_F5,
        KC_TRNS, RGB_M_P, RGB_M_B, RGB_M_R, RGB_M_SW, RGB_M_SN, KC_TRNS, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10,
        KC_TRNS, RGB_M_K, RGB_M_X, RGB_M_G, RGB_M_T, RGB_M_T,   KC_TRNS, KC_F11, KC_F12, KC_CAPS, KC_NO, KC_NO
     ),

     LAYOUT(
        KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO,
        KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO,
        KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO
     ),
};

bool is_lang1 = false;

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
    switch (keycode) {
        case SWITCH_LANG:
            if (record->event.pressed) {

                if (is_lang1) {
                    register_code(KC_LNG1);
                    is_lang1 = false;
                }
                else {
                    register_code(KC_LNG2);
                    is_lang1 = true;
                }
            }
            break;
        case KC_LNG1:
            if (record->event.pressed) {
                is_lang1 = false;
            }
            break;

        case KC_LNG2:
            if (record->event.pressed) {
                is_lang1 = true;
            }
            break;
    }
    return true;
}

bool encoder_update_user(uint8_t index, bool clockwise) {

    if (clockwise) {
        tap_code(KC_MS_WH_UP);
    } else {
        tap_code(KC_MS_WH_DOWN);
    }

    return true;
}