qmk-firmware/users/dshields/dshields.c

#include "quantum.h"
#include "dshields.h"

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
    if ((keycode >= QK_MOD_TAP && keycode <= QK_MOD_TAP_MAX)
            || (keycode >= QK_LAYER_TAP && keycode <= QK_LAYER_TAP_MAX)
            || (keycode >= QK_MODS && keycode <= QK_MODS_MAX)) {
        keycode = keycode & 0xFF;
    }
    if (keycode == KC_ESC && record->event.pressed) {
        bool rc = true;
        uint8_t mods = 0;
        if ((mods = get_oneshot_mods()) && !has_oneshot_mods_timed_out()) {
            clear_oneshot_mods();
            unregister_mods(mods);
            rc = false;
        }
        if ((mods = get_oneshot_locked_mods())) {
            clear_oneshot_locked_mods();
            unregister_mods(mods);
            rc = false;
        }
        if (is_oneshot_layer_active()) {
            layer_clear();
            rc = false;
        }
        return rc;
    }
    return true;
}

bool get_tapping_force_hold(uint16_t keycode, keyrecord_t *record) {
    switch (keycode) {
        case MT_A:
        case MT_S:
        case MT_D:
        case MT_F:
        case MT_J:
        case MT_K:
        case MT_L:
        case MT_SCLN:
            return true;
        default:
            return false;
    }
}

bool get_permissive_hold(uint16_t keycode, keyrecord_t *record) {
    switch (keycode) {
        case MT_SPC:
        case MT_BSPC:
        case MT_ESC:
            return true;
        default:
            return false;
    }
}