My Preonic keymap

keymap.c

/* Copyright 2015-2017 Jack Humbert
 *
 * 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 "preonic.h"
#include "action_layer.h"
#include "musical_notes.h"

float LOWER_SND[][3][2] = {
    {S__NOTE(_C5), S__NOTE(_G4), S__NOTE(_C4)},
    {S__NOTE(_C5), S__NOTE(_REST), S__NOTE(_REST)}
};
float RAISE_SND[][3][2] = {
    {S__NOTE(_C5), S__NOTE(_G5), S__NOTE(_C6)},
    {S__NOTE(_C5), S__NOTE(_REST), S__NOTE(_REST)},
};
float SHIFT_SND[][1][2] = {
    {E__NOTE(_E3)},
    {E__NOTE(_E3)},
};
float ALT_SND[][1][2] = {
    {E__NOTE(_G3)},
    {E__NOTE(_G3)},
};
float CTRL_SND[][1][2] = {
    {E__NOTE(_B3)},
    {E__NOTE(_B3)},
};
float LANG_SWITCH_SOUND[][2] = {
    S__NOTE(_C6), S__NOTE(_C5), S__NOTE(_C6)
};

float BACKLIGHT_SOUNDS[][3][2] = {
    {S__NOTE(_C3)},
    {S__NOTE(_C4)},
    {S__NOTE(_C5)},
    {Q__NOTE(_C6)},
};

uint8_t mod_state = 0;
enum MOD_STATE {
    MS_SHIFT = 1,
    MS_ALT = 2,
    MS_MOD = 4,
    MS_CTRL = 8
};

enum preonic_layers {
    _QWERTY,
    _COLEMAK,
    _DVORAK,
    _LOWER,
    _RAISE,
    _ADJUST
};

enum preonic_keycodes {
    QWERTY = SAFE_RANGE,
    COLEMAK,
    DVORAK,
    LOWER,
    RAISE,
    BACKLIT
};

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/*
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    | ESC |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |  9  |  0  | BSP |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    | TAB |  Q  |  W  |  E  |  E  |  R  |  T  |  Y  |  U  |  I  |  O  |  p  |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    |LOWER|  A  |  S  |  D  |  F  |  G  |  H  |  J  |  K  |  L  |  ;  | RET |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    |SHIFT|  Z  |  X  |  C  |  V  |  B  |  N  |  M  |  .  |  ,  |  /  | CTL |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    |     | CTL | MOD | ALT |RAISE|   SPACE   |LOWER|  '  |  "  |  -  |  =  |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
*/
[_QWERTY] = {
    {KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC},
    {KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_BSLS },
    {LOWER,   KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, 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_LCTL},
    {_______, KC_LCTL, KC_LGUI, KC_LALT, RAISE,   KC_SPC,  KC_SPC,  LOWER,   KC_QUOT, KC_DQUO, KC_MINS, KC_EQL}
},

/*
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    |  ~  | F1  | F2  | F3  | F4  | F5  | F6  | F7  | F8  | F9  | F10 | DEL |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    | TAB |     |PLAY |NEXT |     |     |     |PG UP| ^^^ |PG DN|  ~  |  `  |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    |LOWER|     |VOL +|VOL -|     |     |HOME | <<< | vvv | >>> |     |     |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    |     |     |     |     |     |     |END  |     |  [  |  ]  |     |     |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    |     |     |     |     |     |     |     |     |     |     |     |     |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
*/
[_LOWER] = {
    {KC_TILD, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_DEL},
    {KC_TAB,  _______, KC_MPLY, KC_MNXT, _______, _______, _______, KC_PGUP, KC_UP,   KC_PGDN, KC_TILD, KC_GRV},
    {LOWER,   _______, KC_VOLD, KC_VOLU, _______, _______, KC_HOME, KC_LEFT, KC_DOWN, KC_RIGHT,_______, _______},
    {_______, _______, _______, _______, _______, _______, KC_END,  _______, KC_LBRC, KC_RBRC, _______, _______},
    {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______}
},

/*
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    |     | F1  | F2  | F3  | F4  | F5  | F6  | F7  | F8  | F9  | F10 |     |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    |LIGHT|     |     |     |     |     |     |     |     | F11 | F12 |     |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    |LOWER|     |     |           |     |     |     |     |     |     |     |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    |     |     |     |     |     |     |     |     |  {  |  }  |     |     |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    |     |     |     |     |     |     |     |     |     |     |     |     |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
*/
[_RAISE] = {
    {_______, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  _______},
    {BACKLIT, _______, _______, _______, _______, _______, _______, _______, _______, KC_F11,  KC_F12,  _______},
    {LOWER,   _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______},
    {_______, _______, _______, _______, _______, _______, _______, _______, KC_LCBR, KC_RCBR, _______, _______},
    {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______}
},

/*
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    | F1  | F2  | F3  | F4  | F5  | F6  | F7  | F8  | F9  | F19 | F11 | F12 |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    |LIGHT|RESET|DEBUG|     |     |     |     |TERM+|TERM-|     |     |     |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    |     |     |MUSIC|SND+ |SND- |NORM |SWAP |QWERT|CLMAK|DVRAK|     |     |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    |     |     |     |MUS+ |MUS- |MIDI+|MIDI-|     |     |     |     |     |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
    |     |     |     |     |     |     |     |     |     |     |     |     |
    +=====+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+=====+
*/
[_ADJUST] = {
    {KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12},
    {BACKLIT, RESET,   DEBUG,   _______, _______, _______, _______, TERM_ON, TERM_OFF,_______, _______, _______},
    {_______, _______, MU_MOD,  AU_ON,   AU_OFF,  AG_NORM, AG_SWAP, QWERTY,  COLEMAK, DVORAK,  _______, _______},
    {_______, _______, _______, MU_ON,   MU_OFF,  MI_ON,   MI_OFF,  _______, _______, _______, _______, _______},
    {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______}
}


};

void check_mod_state(void) {
    if (mod_state & MS_ALT && mod_state & MS_SHIFT) {
        PLAY_SONG(LANG_SWITCH_SOUND);
    }
}

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
    switch (keycode) {
        case QWERTY:
            if (record->event.pressed) {
                set_single_persistent_default_layer(_QWERTY);
            }
            return false;
            break;
        case COLEMAK:
            if (record->event.pressed) {
                set_single_persistent_default_layer(_COLEMAK);
            }
            return false;
            break;
        case DVORAK:
            if (record->event.pressed) {
                set_single_persistent_default_layer(_DVORAK);
            }
            return false;
            break;
        case LOWER:
            if (record->event.pressed) {
                PLAY_SONG(LOWER_SND[0]);
                layer_on(_LOWER);
                update_tri_layer(_LOWER, _RAISE, _ADJUST);
            } else {
                layer_off(_LOWER);
                update_tri_layer(_LOWER, _RAISE, _ADJUST);
            }
            return false;
            break;
        case RAISE:
            if (record->event.pressed) {
                PLAY_SONG(RAISE_SND[0]);
                layer_on(_RAISE);
                update_tri_layer(_LOWER, _RAISE, _ADJUST);
            } else {
                layer_off(_RAISE);
                update_tri_layer(_LOWER, _RAISE, _ADJUST);
            }
            return false;
            break;
        case BACKLIT:
            if (record->event.pressed) {
                register_code(KC_RSFT);
                #ifdef BACKLIGHT_ENABLE
                    backlight_step();
                    PLAY_SONG(BACKLIGHT_SOUNDS[get_backlight_level()]);
                #endif
                PORTE &= ~(1<<6);
            } else {
                unregister_code(KC_RSFT);
                PORTE |= (1<<6);
            }
            return false;
            break;
        case KC_LSHIFT:
            if (record->event.pressed) {
                PLAY_SONG(SHIFT_SND[record->event.pressed ? 0 : 1]);
            }
            mod_state = record->event.pressed ? (mod_state | MS_SHIFT) : (mod_state & ~(MS_SHIFT));
            check_mod_state();
            return true;
        case KC_LALT:
            if (record->event.pressed) {
                PLAY_SONG(ALT_SND[record->event.pressed ? 0 : 1]);
            }
            mod_state = record->event.pressed ? (mod_state | MS_ALT) : (mod_state & ~(MS_ALT));
            check_mod_state();
            return true;
        case KC_LCTRL:
        case KC_RCTRL:
            if (record->event.pressed) {
                PLAY_SONG(CTRL_SND[record->event.pressed ? 0 : 1]);
            }
            mod_state = record->event.pressed ? (mod_state | MS_CTRL) : (mod_state & ~(MS_CTRL));
            /*check_mod_state();*/
            return true;
        }
      return true;
};