/** * SPDX-FileCopyrightText: 2024 Christoph Cullmann * SPDX-License-Identifier: GPL-2.0-or-later */ // our layers enum my_layers { _BASE, _NUM, _NAV, _SYM, _FN }; // our keymap const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { [_BASE] = LAYOUT( KC_B, KC_F, KC_L, KC_K, KC_Q, KC_P, KC_G, KC_O, KC_U, KC_DOT, RALT_T(KC_N), LALT_T(KC_S), LCTL_T(KC_H), LSFT_T(KC_T), LGUI_T(KC_M), RGUI_T(KC_Y), RSFT_T(KC_C), RCTL_T(KC_A), LALT_T(KC_E), RALT_T(KC_I), KC_X, KC_V, KC_J, KC_D, KC_Z, KC_QUOT, KC_W, KC_SCLN, KC_SLSH, KC_COMM, LT(_SYM, KC_MINS), LT(_NUM, KC_R), LT(_NAV, KC_SPC), LT(_FN, KC_EQL) ), [_NUM] = LAYOUT( XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, QK_RBT, KC_LBRC, KC_7, KC_8, KC_9, KC_RBRC, KC_RALT, KC_LALT, KC_LCTL, KC_LSFT, KC_LGUI, KC_EQL, KC_4, KC_5, KC_6, KC_SLSH, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_BSLS, KC_1, KC_2, KC_3, KC_GRV, XXXXXXX, XXXXXXX, KC_MINS, KC_0 ), [_NAV] = LAYOUT( XXXXXXX, KC_PGUP, KC_UP, KC_PGDN, XXXXXXX, QK_RBT, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_HOME, KC_LEFT, KC_DOWN, KC_RGHT, KC_END, KC_RGUI, KC_RSFT, KC_RCTL, KC_LALT, KC_RALT, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_TAB, KC_ENT, XXXXXXX, XXXXXXX ), [_SYM] = LAYOUT( XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, QK_BOOT, KC_LCBR, KC_AMPR, KC_ASTR, KC_LPRN, KC_RCBR, KC_RALT, KC_LALT, KC_LCTL, KC_LSFT, KC_LGUI, KC_PLUS, KC_DLR, KC_PERC, KC_CIRC, KC_QUES, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_PIPE, KC_EXLM, KC_AT, KC_HASH, KC_TILD, XXXXXXX, XXXXXXX, KC_UNDS, KC_RPRN ), [_FN] = LAYOUT( KC_F12, KC_F7, KC_F8, KC_F9, KC_PSCR, QK_BOOT, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_F11, KC_F4, KC_F5, KC_F6, KC_DEL, KC_RGUI, KC_RSFT, KC_RCTL, KC_LALT, KC_RALT, KC_F10, KC_F1, KC_F2, KC_F3, KC_INS, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_BSPC, KC_ESC, XXXXXXX, XXXXXXX ) }; // parts taken from https://github.com/filterpaper/qmk_userspace // Convert 5-bit packed mod-tap modifiers to 8-bit packed MOD_MASK modifiers #define MOD_TAP_GET_MOD_BITS(k) (((k) & 0x0f00) >> (((k) & 0x1000) ? 4 : 8)) // Basic keycode filter for tap-hold keys #define GET_TAP_KEYCODE(k) ((k) & 0xff) // Tap-hold decision helper macros #define IS_LAYER_TAP(k) (IS_QK_LAYER_TAP(k) && QK_LAYER_TAP_GET_LAYER(k)) #define IS_SHORTCUT(k) (IS_QK_LAYER_TAP(k) && !QK_LAYER_TAP_GET_LAYER(k)) #define IS_MOD_TAP_SHIFT(k) (IS_QK_MOD_TAP(k) && (k) & (QK_LSFT)) #define IS_MOD_TAP_CAG(k) (IS_QK_MOD_TAP(k) && (k) & (QK_LCTL|QK_LALT|QK_LGUI)) #define IS_HOMEROW(r) (r->event.key.row == 1 || r->event.key.row == 5) #define IS_HOMEROW_SHIFT(k, r) (IS_HOMEROW(r) && IS_MOD_TAP_SHIFT(k)) #define IS_HOMEROW_CAG(k, r) (IS_HOMEROW(r) && IS_MOD_TAP_CAG(k)) #define IS_TYPING(k) ((uint8_t)(k) <= KC_Z && last_input_activity_elapsed() < INPUT_IDLE_MS) #define IS_UNILATERAL(r, n) ( \ (r->event.key.row == 1 && on_left_hand(n.event.key)) || \ (r->event.key.row == 5 && !on_left_hand(n.event.key)) ) static uint_fast16_t inter_keycode; static keyrecord_t inter_record; bool pre_process_record_user(uint16_t keycode, keyrecord_t *record) { static bool is_pressed[UINT8_MAX]; uint16_t const tap_keycode = GET_TAP_KEYCODE(keycode); if (record->event.pressed) { // Press the tap keycode if the tap-hold key follows an alphabet key swiftly if ((IS_HOMEROW_CAG(keycode, record) || IS_SHORTCUT(keycode)) && IS_TYPING(inter_keycode)) { is_pressed[tap_keycode] = true; record->keycode = tap_keycode; } // Cache incoming input for in-progress and subsequent tap-hold decisions inter_keycode = keycode; inter_record = *record; } // Release the pressed tap keycode else if (is_pressed[tap_keycode]) { is_pressed[tap_keycode] = false; record->keycode = tap_keycode; } return true; } bool get_hold_on_other_key_press(uint16_t keycode, keyrecord_t *record) { // Tap the mod-tap key with an overlapping non-Shift key on the same hand // or the shortcut key with any overlapping key if ((IS_UNILATERAL(record, inter_record) && !IS_MOD_TAP_SHIFT(inter_keycode)) || IS_SHORTCUT(keycode)) { record->tap.count++; process_record(record); return false; } // Activate layer hold with another key press else return IS_LAYER_TAP(keycode); } bool get_permissive_hold(uint16_t keycode, keyrecord_t *record) { // Enable Shift with a nested key press return IS_HOMEROW_SHIFT(keycode, record); } uint16_t get_tapping_term(uint16_t keycode, keyrecord_t *record) { // Shorten interval for Shift return IS_HOMEROW_SHIFT(keycode, record) ? SHIFT_TAP_TERM : TAPPING_TERM; } #ifndef NO_LED void keyboard_post_init_user(void) { // always use the same effect rgblight_mode_noeeprom(RGBLIGHT_MODE_BREATHING); rgblight_set_speed_noeeprom(2); // trigger init of layer state layer_state_set_user(layer_state); } // handle layer changes for backlight layer_state_t layer_state_set_user(layer_state_t state) { const uint8_t layer = get_highest_layer(state); switch (layer) { case _BASE: rgblight_sethsv_noeeprom(HSV_WHITE); break; case _SYM: rgblight_sethsv_noeeprom(HSV_RED); break; case _NUM: rgblight_sethsv_noeeprom(HSV_GREEN); break; case _FN: rgblight_sethsv_noeeprom(HSV_BLUE); break; case _NAV: rgblight_sethsv_noeeprom(HSV_GOLD); break; default: break; } return state; } #endif // Simplify unused magic config functions #ifndef MAGIC_ENABLE uint8_t mod_config(uint8_t mod) { return mod; } uint16_t keycode_config(uint16_t keycode) { return keycode; } #endif // Reduce marix scanning delay #ifndef DIRECT_PINS void matrix_io_delay(void) { __asm__ volatile("nop\nnop\nnop\n"); } #endif