qmk_firmware/keyboards/jj4x4/keymaps/default/keymap.c

/* Copyright 2019
 *
 * 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

enum layers {
    _BASE = 0,
    _FN1,
    _FN2
};

// Defines the keycodes used by our macros in process_record_user
enum custom_keycodes {
    QMKBEST = SAFE_RANGE,
    QMKURL
};

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
    [_BASE] = LAYOUT_ortho_4x4(
        KC_PGUP,  KC_HOME, KC_UP,   KC_END,
        KC_PGDN,  KC_LEFT, KC_DOWN, KC_RGHT,
        MO(_FN2), KC_VOLU, KC_MPLY, KC_MPRV,
        MO(_FN1), KC_VOLD, KC_MUTE, KC_MNXT
    ),
    [_FN1] = LAYOUT_ortho_4x4(
        KC_ESC,  KC_P7,   KC_P8,   KC_P9,
        KC_TAB,  KC_P4,   KC_P5,   KC_P6,
        KC_ENT,  KC_P1,   KC_P2,   KC_P3,
        _______, KC_P0,   KC_P0,   KC_DOT
    ),
    [_FN2] = LAYOUT_ortho_4x4(
        RGB_TOG, RGB_HUI, RGB_SAI, RGB_VAI,
        RGB_MOD, RGB_HUD, RGB_SAD, RGB_VAD,
        _______, _______, _______, RESET,
        BL_STEP, _______, QMKBEST, QMKURL
    )
};

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
    switch (keycode) {
        case QMKBEST:
            if (record->event.pressed) {
                // when keycode QMKBEST is pressed
                SEND_STRING("QMK is the best thing ever!");
            }
            break;
        case QMKURL:
            if (record->event.pressed) {
                // when keycode QMKURL is pressed
                SEND_STRING("https://qmk.fm/\n");
            }
            break;
    }
    return true;
}