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path: root/keyboards/preonic/keymaps/mverteuil_2x2u/keymap.c
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/* Copyright 2015-2017 Jack Humbert, 2019 Matthew de Verteuil
 *
 * 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
#include "muse.h"
#include "mverteuil.h"

/* Layer Aliases */
#define LT_LWSP LT(_LOWER, KC_SPACE)
#define LT_RSRT LT(_RAISE, KC_ENTER)
#define MO_NUMS MO(_NUMPAD)

/* Mod-Tap Aliases */
#define MT_CESC CTL_T(KC_ESCAPE)

/* TapDance Aliases */
#define TD_LBRK TD(TD_BRACKETS_LEFT)
#define TD_RBRK TD(TD_BRACKETS_RIGHT)
#define TD_PLEQ TD(TD_PLUS_EQUALS)
#define TD_SCOL TD(TD_SEMICOLON_COLON)
#define TD_SLQU TD(TD_SLASH_QUESTION)
#define TD_SQDQ TD(TD_QUOTE_DOUBLEQUOTE)
#define TD_USMI TD(TD_UNDERSCORE_MINUS)

/* Sentinel value for invalid tap dance exit */
#define TAP_DANCE_NO_MATCH 64

enum preonic_layers {
    _QWERTY,
    _NUMPAD,
    _LOWER,
    _RAISE,
    _ADJUST,
};

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

enum tapdance_keycodes {
    TD_BRACKETS_LEFT,
    TD_BRACKETS_RIGHT,
    TD_CONTROL_ESCAPE,
    TD_PLUS_EQUALS,
    TD_QUOTE_DOUBLEQUOTE,
    TD_SEMICOLON_COLON,
    TD_SLASH_QUESTION,
    TD_UNDERSCORE_MINUS,
};

typedef enum {
    SINGLE_TAP,
    SINGLE_HOLD,
    DOUBLE_TAP,
    DOUBLE_HOLD,
    TRIPLE_TAP,
    TRIPLE_HOLD,
} t_tap_state;

typedef struct {
    t_tap_state left_brackets;
    t_tap_state right_brackets;
} t_tap;

t_tap_state get_tapdance_state(qk_tap_dance_state_t *state);

void td_brackets_left_finished(qk_tap_dance_state_t *state, void *user_data);
void td_brackets_left_reset(qk_tap_dance_state_t *state, void *user_data);
void td_brackets_right_finished(qk_tap_dance_state_t *state, void *user_data);
void td_brackets_right_reset(qk_tap_dance_state_t *state, void *user_data);

/* Tap Dance Definitions */
qk_tap_dance_action_t tap_dance_actions[] = {
    /* Tap once for left parenthesis, twice for left bracket, thrice for left brace */
    [TD_BRACKETS_LEFT] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, td_brackets_left_finished, td_brackets_left_reset),
    /* Tap once for right parenthesis, twice for right bracket, thrice for right brace */
    [TD_BRACKETS_RIGHT] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, td_brackets_right_finished, td_brackets_right_reset),
    /* Tap once for plus, twice for equals */
    [TD_PLUS_EQUALS] = ACTION_TAP_DANCE_DOUBLE(KC_PLUS, KC_EQUAL),
    /* Tap once for single quote, twice for double quote */
    [TD_QUOTE_DOUBLEQUOTE] = ACTION_TAP_DANCE_DOUBLE(KC_QUOTE, KC_DOUBLE_QUOTE),
    /* Tap once for semicolon, twice for colon */
    [TD_SEMICOLON_COLON] = ACTION_TAP_DANCE_DOUBLE(KC_SEMICOLON, KC_COLON),
    /* Tap once for slash, twice for question mark */
    [TD_SLASH_QUESTION] = ACTION_TAP_DANCE_DOUBLE(KC_SLASH, KC_QUESTION),
    /* Tap once for underscore, twice for minus */
    [TD_UNDERSCORE_MINUS] = ACTION_TAP_DANCE_DOUBLE(KC_UNDERSCORE, KC_MINUS),
};

/* clang-format off */
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {

/* Qwerty
 * ,-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------.
 * |   `   |   !   |   @   |   #   |   $   |   %   |   ^   |   &   |   *   |  _ -  |  + =  |  Bksp |
 * |-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------|
 * |  Tab  |   Q   |   W   |   E   |   R   |   T   |   Y   |   U   |   I   |   O   |   P   |  ' "  |
 * |-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------|
 * |CtrlEsc|   A   |   S   |   D   |   F   |   G   |   H   |   J   |   K   |   L   |  ; :  |  / ?  |
 * |-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------|
 * | Shift |   Z   |   X   |   C   |   V   |   B   |   N   |   M   |   ,   |   .   |   ↑   | RShift|
 * |-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------|
 * |NumPad | Ctrl  |  Alt  |  GUI  |  Lower/Space  |  Raise/Enter  |  GUI  |   ←   |   ↓   |   →   |
 * `-----------------------------------------------------------------------------------------------'
 */
[_QWERTY] = LAYOUT_preonic_2x2u (
  KC_GRV,  KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, TD_USMI, TD_PLEQ, KC_BSPC,
  KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    TD_SQDQ,
  MT_CESC, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    TD_SCOL, TD_SLQU,
  KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_UP,   KC_RSFT,
  MO_NUMS, KC_LCTL, KC_LALT, KC_LGUI,     LT_LWSP,         LT_RSRT,       KC_RGUI, KC_LEFT, KC_DOWN, KC_RGHT
),

/* Numpad
 * ,-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------.
 * |       |       |       |       |       |       |       |  Tab  |   /   |   *   | Bksp  |       |
 * |-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------|
 * |       |       |       |       |       |       |       |   7   |   8   |   9   |   -   |       |
 * |-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------|
 * |       |       |       |       |       |       |       |   4   |   5   |   6   |   +   |       |
 * |-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------|
 * |       |       |       |       |       |       |       |   1   |   2   |   3   | Enter |       |
 * |-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------|
 * |       |       |       |       |               |               |   0   |   .   | Enter |       |
 * `-----------------------------------------------------------------------------------------------'
 */
[_NUMPAD] = LAYOUT_preonic_2x2u (
  _______, _______, _______, _______, _______, _______, _______, KC_TAB,  KC_SLSH, KC_PAST, KC_BSPC, _______,
  _______, _______, _______, _______, _______, _______, _______, KC_KP_7, KC_KP_8, KC_KP_9, KC_PMNS, _______,
  _______, _______, _______, _______, _______, _______, _______, KC_KP_4, KC_KP_5, KC_KP_6, KC_PPLS, _______,
  _______, _______, _______, _______, _______, _______, _______, KC_KP_1, KC_KP_2, KC_KP_3, KC_PENT, _______,
  _______, _______, _______, _______,      _______,          _______,     KC_KP_0, KC_PDOT, KC_PENT, _______
),

/* Lower
 * ,-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------.
 * |       |   1   |   2   |   3   |   4   |   5   |   6   |   7   |   8   |   9   |   0   |Delete |
 * |-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------|
 * |       |       |  Vol+ |       |       |       |       |       |       |       | MPlay |       |
 * |-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------|
 * |       | MPrev |  Vol- | MNext |       |       |       |       |       |       |       |   \   |
 * |-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------|
 * |       |       |       |       |       |       |       |  Mute |       |       |  PgUp |       |
 * |-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------|
 * |       |       |       |       |               |               |       |  Home |  PgDn |  End  |
 * `-----------------------------------------------------------------------------------------------'
 */
[_LOWER] = LAYOUT_preonic_2x2u (
  KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_DEL,
  _______, _______, KC_VOLU, _______, _______, _______, _______, _______, _______, _______, KC_MPLY, _______,
  _______, KC_MPRV, KC_VOLD, KC_MNXT, _______, _______, _______, _______, _______, _______, _______, KC_BSLS,
  _______, _______, _______, _______, _______, _______, _______, KC_MUTE, _______, _______, KC_PGUP, _______,
  _______, _______, _______, _______,      _______,         _______,      _______, KC_HOME, KC_PGDN, KC_END
),

/* Raise
 * ,-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------.
 * |       |  F1   |  F2   |  F3   |  F4   |  F5   |  F6   |  F7   |  F8   |  F9   |  F10  |       |
 * |-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------|
 * |       |       |       |       |       |       |       |       |       |       |       |       |
 * |-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------|
 * |       |       |       |       |       |       |       |       | [ { ( | ) } ] |       |   |   |
 * |-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------|
 * |       |       |       |       |       |       |       |       |       |       |       |       |
 * |-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------|
 * |       |       |       |       |               |               |       |       |       |       |
 * `-----------------------------------------------------------------------------------------------'
 */
[_RAISE] = LAYOUT_preonic_2x2u (
  _______, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  _______,
  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
  _______, _______, _______, _______, _______, _______, _______, _______, TD_LBRK, TD_RBRK, _______, KC_PIPE,
  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
  _______, _______, _______, _______,     _______,           _______,     _______, _______, _______, _______
),

/* Adjust (Lower + Raise)
 * ,-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------.
 * |AudTog |███████|███████|███████|███████|███████|███████|███████|███████|███████| Debug | Reset |
 * |-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------|
 * |Clicky |ClkFrq-|ClkFrq+|███████|███████|███████|███████|███████|███████|███████|███████|███████|
 * |-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------|
 * | Music |Voice- |Voice+ |███████|███████|███████|███████|███████|███████|███████|AGnorm |AGswap |
 * |-------+-------+-------+-------+-------+-------|-------+-------+-------+-------+-------+-------|
 * | MIDI  |R plain|R breat|R rnbow|R swirl|R snake|R knigt|R xmas |R grade|RGBtest|███████| Shift |
 * |-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------|
 * |RGBmode|RGBhue+|RGBsat+|RGBval+|               |               |███████|███████|███████|███████|
 * `-----------------------------------------------------------------------------------------------'
 */
[_ADJUST] = LAYOUT_preonic_2x2u (
  AU_TOGG, XXXXXXX, XXXXXXX, XXXXXXX, RGB_HUI, RGB_HUD, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, DB_TOGG, QK_BOOT,
  CK_TOGG, CK_DOWN, CK_UP,   XXXXXXX, RGB_SAI, RGB_SAD, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
  MU_TOGG, AU_PREV, AU_NEXT, XXXXXXX, RGB_VAI, RGB_VAD, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, AG_NORM, AG_SWAP,
  MI_TOGG, RGB_M_P, RGB_M_B, RGB_M_R,RGB_M_SW,RGB_M_SN, RGB_M_K, RGB_M_X, RGB_M_G, RGB_M_T, RGB_SPI, KC_LSFT,
  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,     _______,          _______,      XXXXXXX,RGB_RMOD, RGB_SPD, RGB_MOD
)

};
/* clang-format on */

float s_audio_on[][2]    = AUDIO_ON_SONG;
float s_layer_lower[][2] = LAYER_LOWER_SONG;
float s_layer_raise[][2] = LAYER_RAISE_SONG;

void audio_on_user() { PLAY_SONG(s_audio_on); };

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
    switch (keycode) {
        case LOWER:
            if (record->event.pressed) {
                layer_on(_LOWER);
                update_tri_layer(_LOWER, _RAISE, _ADJUST);
                PLAY_SONG(s_layer_lower);
            } else {
                layer_off(_LOWER);
                update_tri_layer(_LOWER, _RAISE, _ADJUST);
            }
            return false;
            break;
        case RAISE:
            if (record->event.pressed) {
                layer_on(_RAISE);
                update_tri_layer(_LOWER, _RAISE, _ADJUST);
                PLAY_SONG(s_layer_raise);
            } 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();
#endif
#ifdef __AVR__
                writePinLow(E6);
#endif
            } else {
                unregister_code(KC_RSFT);
#ifdef __AVR__
                writePinHigh(E6);
#endif
            }
            return false;
            break;
    }
    return true;
};

/* Global TapDance State */
static t_tap qk_tap_state = {
    .left_brackets  = 0,
    .right_brackets = 0,
};

float s_numpad_toggle[][2] = LAYER_NMPAD_SONG;

t_tap_state get_tapdance_state(qk_tap_dance_state_t *state) {
    if (state->count == 1) {
        if (state->interrupted || !state->pressed) {
            return SINGLE_TAP;
        } else {
            return SINGLE_HOLD;
        }
    } else if (state->count == 2) {
        if (state->interrupted || !state->pressed) {
            return DOUBLE_TAP;
        } else {
            return DOUBLE_HOLD;
        }
    } else if (state->count == 3) {
        if (state->interrupted || !state->pressed) {
            return TRIPLE_TAP;
        } else {
            return TRIPLE_HOLD;
        }
    } else
        return TAP_DANCE_NO_MATCH;
}

void td_brackets_left_finished(qk_tap_dance_state_t *state, void *user_data) {
    qk_tap_state.left_brackets = get_tapdance_state(state);
    switch (qk_tap_state.left_brackets) {
        case SINGLE_TAP:
            register_code16(KC_LEFT_PAREN);
            break;
        case DOUBLE_TAP:
            register_code(KC_LEFT_BRACKET);
            break;
        case TRIPLE_TAP:
            register_code16(KC_LEFT_CURLY_BRACE);
            break;
        default:
            break;
    }
}

void td_brackets_left_reset(qk_tap_dance_state_t *state, void *user_data) {
    switch (qk_tap_state.left_brackets) {
        case SINGLE_TAP:
            unregister_code16(KC_LEFT_PAREN);
            break;
        case DOUBLE_TAP:
            unregister_code(KC_LEFT_BRACKET);
            break;
        case TRIPLE_TAP:
            unregister_code16(KC_LEFT_CURLY_BRACE);
            break;
        default:
            break;
    }
    qk_tap_state.left_brackets = 0;
}

void td_brackets_right_finished(qk_tap_dance_state_t *state, void *user_data) {
    qk_tap_state.right_brackets = get_tapdance_state(state);
    switch (qk_tap_state.right_brackets) {
        case SINGLE_TAP:
            register_code16(KC_RIGHT_PAREN);
            break;
        case DOUBLE_TAP:
            register_code(KC_RIGHT_BRACKET);
            break;
        case TRIPLE_TAP:
            register_code16(KC_RIGHT_CURLY_BRACE);
            break;
        default:
            break;
    }
}

void td_brackets_right_reset(qk_tap_dance_state_t *state, void *user_data) {
    switch (qk_tap_state.right_brackets) {
        case SINGLE_TAP:
            unregister_code16(KC_RIGHT_PAREN);
            break;
        case DOUBLE_TAP:
            unregister_code(KC_RIGHT_BRACKET);
            break;
        case TRIPLE_TAP:
            unregister_code16(KC_RIGHT_CURLY_BRACE);
            break;
        default:
            break;
    }
    qk_tap_state.right_brackets = 0;
}

bool     muse_mode      = false;
uint8_t  last_muse_note = 0;
uint16_t muse_counter   = 0;
uint8_t  muse_offset    = 70;
uint16_t muse_tempo     = 50;

bool encoder_update_user(uint8_t index, bool clockwise) {
    if (muse_mode) {
        if (IS_LAYER_ON(_RAISE)) {
            if (clockwise) {
                muse_offset++;
            } else {
                muse_offset--;
            }
        } else {
            if (clockwise) {
                muse_tempo += 1;
            } else {
                muse_tempo -= 1;
            }
        }
    } else {
        if (clockwise) {
            tap_code(KC_PGDN);
        } else {
            tap_code(KC_PGUP);
        }
    }
    return true;
}

bool dip_switch_update_user(uint8_t index, bool active) {
    switch (index) {
        case 0:
            if (active) {
                layer_on(_ADJUST);
            } else {
                layer_off(_ADJUST);
            }
            break;
        case 1:
            if (active) {
                muse_mode = true;
            } else {
                muse_mode = false;
            }
    }
    return true;
}