path: root/quantum/quantum.c

/* Copyright 2016-2017 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 "quantum.h"

#if !defined(RGBLIGHT_ENABLE) && !defined(RGB_MATRIX_ENABLE)
#    include "rgb.h"
#endif

#ifdef PROTOCOL_LUFA
#    include "outputselect.h"
#endif

#ifndef BREATHING_PERIOD
#    define BREATHING_PERIOD 6
#endif

#include "backlight.h"
extern backlight_config_t backlight_config;

#ifdef FAUXCLICKY_ENABLE
#    include "fauxclicky.h"
#endif

#ifdef API_ENABLE
#    include "api.h"
#endif

#ifdef MIDI_ENABLE
#    include "process_midi.h"
#endif

#ifdef VELOCIKEY_ENABLE
#    include "velocikey.h"
#endif

#ifdef HAPTIC_ENABLE
#    include "haptic.h"
#endif

#ifdef ENCODER_ENABLE
#    include "encoder.h"
#endif

#ifdef AUDIO_ENABLE
#    ifndef GOODBYE_SONG
#        define GOODBYE_SONG SONG(GOODBYE_SOUND)
#    endif
#    ifndef AG_NORM_SONG
#        define AG_NORM_SONG SONG(AG_NORM_SOUND)
#    endif
#    ifndef AG_SWAP_SONG
#        define AG_SWAP_SONG SONG(AG_SWAP_SOUND)
#    endif
#    ifndef CG_NORM_SONG
#        define CG_NORM_SONG SONG(AG_NORM_SOUND)
#    endif
#    ifndef CG_SWAP_SONG
#        define CG_SWAP_SONG SONG(AG_SWAP_SOUND)
#    endif
float goodbye_song[][2] = GOODBYE_SONG;
float ag_norm_song[][2] = AG_NORM_SONG;
float ag_swap_song[][2] = AG_SWAP_SONG;
float cg_norm_song[][2] = CG_NORM_SONG;
float cg_swap_song[][2] = CG_SWAP_SONG;
#    ifdef DEFAULT_LAYER_SONGS
float default_layer_songs[][16][2] = DEFAULT_LAYER_SONGS;
#    endif
#endif

static void do_code16(uint16_t code, void (*f)(uint8_t)) {
    switch (code) {
        case QK_MODS ... QK_MODS_MAX:
            break;
        default:
            return;
    }

    if (code & QK_LCTL) f(KC_LCTL);
    if (code & QK_LSFT) f(KC_LSFT);
    if (code & QK_LALT) f(KC_LALT);
    if (code & QK_LGUI) f(KC_LGUI);

    if (code < QK_RMODS_MIN) return;

    if (code & QK_RCTL) f(KC_RCTL);
    if (code & QK_RSFT) f(KC_RSFT);
    if (code & QK_RALT) f(KC_RALT);
    if (code & QK_RGUI) f(KC_RGUI);
}

static inline void qk_register_weak_mods(uint8_t kc) {
    add_weak_mods(MOD_BIT(kc));
    send_keyboard_report();
}

static inline void qk_unregister_weak_mods(uint8_t kc) {
    del_weak_mods(MOD_BIT(kc));
    send_keyboard_report();
}

static inline void qk_register_mods(uint8_t kc) {
    add_weak_mods(MOD_BIT(kc));
    send_keyboard_report();
}

static inline void qk_unregister_mods(uint8_t kc) {
    del_weak_mods(MOD_BIT(kc));
    send_keyboard_report();
}

void register_code16(uint16_t code) {
    if (IS_MOD(code) || code == KC_NO) {
        do_code16(code, qk_register_mods);
    } else {
        do_code16(code, qk_register_weak_mods);
    }
    register_code(code);
}

void unregister_code16(uint16_t code) {
    unregister_code(code);
    if (IS_MOD(code) || code == KC_NO) {
        do_code16(code, qk_unregister_mods);
    } else {
        do_code16(code, qk_unregister_weak_mods);
    }
}

void tap_code16(uint16_t code) {
    register_code16(code);
#if TAP_CODE_DELAY > 0
    wait_ms(TAP_CODE_DELAY);
#endif
    unregister_code16(code);
}

__attribute__((weak)) bool process_action_kb(keyrecord_t *record) { return true; }

__attribute__((weak)) bool process_record_kb(uint16_t keycode, keyrecord_t *record) { return process_record_user(keycode, record); }

__attribute__((weak)) bool process_record_user(uint16_t keycode, keyrecord_t *record) { return true; }

void reset_keyboard(void) {
    clear_keyboard();
#if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
    process_midi_all_notes_off();
#endif
#ifdef AUDIO_ENABLE
#    ifndef NO_MUSIC_MODE
    music_all_notes_off();
#    endif
    uint16_t timer_start = timer_read();
    PLAY_SONG(goodbye_song);
    shutdown_user();
    while (timer_elapsed(timer_start) < 250) wait_ms(1);
    stop_all_notes();
#else
    shutdown_user();
    wait_ms(250);
#endif
#ifdef HAPTIC_ENABLE
    haptic_shutdown();
#endif
// this is also done later in bootloader.c - not sure if it's neccesary here
#ifdef BOOTLOADER_CATERINA
    *(uint16_t *)0x0800 = 0x7777;  // these two are a-star-specific
#endif
    bootloader_jump();
}

/* true if the last press of GRAVE_ESC was shifted (i.e. GUI or SHIFT were pressed), false otherwise.
 * Used to ensure that the correct keycode is released if the key is released.
 */
static bool grave_esc_was_shifted = false;

/* Convert record into usable keycode via the contained event. */
uint16_t get_record_keycode(keyrecord_t *record) { return get_event_keycode(record->event); }

/* Convert event into usable keycode. Checks the layer cache to ensure that it
 * retains the correct keycode after a layer change, if the key is still pressed.
 */
uint16_t get_event_keycode(keyevent_t event) {
#if !defined(NO_ACTION_LAYER) && !defined(STRICT_LAYER_RELEASE)
    /* TODO: Use store_or_get_action() or a similar function. */
    if (!disable_action_cache) {
        uint8_t layer;

        if (event.pressed) {
            layer = layer_switch_get_layer(event.key);
            update_source_layers_cache(event.key, layer);
        } else {
            layer = read_source_layers_cache(event.key);
        }
        return keymap_key_to_keycode(layer, event.key);
    } else
#endif
        return keymap_key_to_keycode(layer_switch_get_layer(event.key), event.key);
}

/* Main keycode processing function. Hands off handling to other functions,
 * then processes internal Quantum keycodes, then processes ACTIONs.
 */
bool process_record_quantum(keyrecord_t *record) {
    uint16_t keycode = get_record_keycode(record);

    // This is how you use actions here
    // if (keycode == KC_LEAD) {
    //   action_t action;
    //   action.code = ACTION_DEFAULT_LAYER_SET(0);
    //   process_action(record, action);
    //   return false;
    // }

#ifdef VELOCIKEY_ENABLE
    if (velocikey_enabled() && record->event.pressed) {
        velocikey_accelerate();
    }
#endif

#ifdef TAP_DANCE_ENABLE
    preprocess_tap_dance(keycode, record);
#endif

    if (!(
#if defined(KEY_LOCK_ENABLE)
            // Must run first to be able to mask key_up events.
            process_key_lock(&keycode, record) &&
#endif
#if defined(AUDIO_ENABLE) && defined(AUDIO_CLICKY)