mirror of
https://github.com/qmk/qmk_firmware.git
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68 lines
2.5 KiB
C
68 lines
2.5 KiB
C
/* Copyright 2023 Paulo Pereira
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "custom_shift_keys.h"
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bool process_custom_shift_keys(uint16_t keycode, keyrecord_t *record) {
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static uint16_t registered_keycode = KC_NO;
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// If a custom shift key is registered, then this event is either
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// releasing it or manipulating another key at the same time. Either way,
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// we release the currently registered key.
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if (registered_keycode != KC_NO) {
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unregister_code16(registered_keycode);
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registered_keycode = KC_NO;
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}
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if (record->event.pressed) { // Press event.
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const uint8_t mods = get_mods();
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#ifndef NO_ACTION_ONESHOT
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if ((mods | get_weak_mods() | get_oneshot_mods()) & MOD_MASK_SHIFT) {
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#else
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if ((mods | get_weak_mods()) & MOD_MASK_SHIFT) { // Shift is held.
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#endif // NO_ACTION_ONESHOT
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// Continue default handling if this is a tap-hold key being held.
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if ((IS_QK_MOD_TAP(keycode) || IS_QK_LAYER_TAP(keycode)) &&
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record->tap.count == 0) {
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return true;
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}
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// Search for a custom shift key whose keycode is `keycode`.
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for (int i = 0; i < NUM_CUSTOM_SHIFT_KEYS; ++i) {
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if (keycode == custom_shift_keys[i].keycode) {
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registered_keycode = custom_shift_keys[i].shifted_keycode;
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if (IS_QK_MODS(registered_keycode) && // Should key be shifted?
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(QK_MODS_GET_MODS(registered_keycode) & MOD_LSFT) != 0) {
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register_code16(registered_keycode); // If so, press directly.
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} else {
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// If not, cancel shift mods, press the key, and restore mods.
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del_weak_mods(MOD_MASK_SHIFT);
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#ifndef NO_ACTION_ONESHOT
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del_oneshot_mods(MOD_MASK_SHIFT);
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#endif // NO_ACTION_ONESHOT
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unregister_mods(MOD_MASK_SHIFT);
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register_code16(registered_keycode);
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set_mods(mods);
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}
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return false;
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}
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}
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}
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}
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return true; // Continue with default handling.
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}
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