mirror of
https://github.com/qmk/qmk_firmware
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101 lines
3.0 KiB
C
101 lines
3.0 KiB
C
// Copyright 2022-2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "layer_lock.h"
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#include "quantum_keycodes.h"
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#ifndef NO_ACTION_LAYER
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// The current lock state. The kth bit is on if layer k is locked.
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layer_state_t locked_layers = 0;
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// Layer Lock timer to disable layer lock after X seconds inactivity
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# if defined(LAYER_LOCK_IDLE_TIMEOUT) && LAYER_LOCK_IDLE_TIMEOUT > 0
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uint32_t layer_lock_timer = 0;
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void layer_lock_timeout_task(void) {
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if (locked_layers && timer_elapsed32(layer_lock_timer) > LAYER_LOCK_IDLE_TIMEOUT) {
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layer_lock_all_off();
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layer_lock_timer = timer_read32();
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}
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}
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void layer_lock_activity_trigger(void) {
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layer_lock_timer = timer_read32();
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}
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# else
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void layer_lock_timeout_task(void) {}
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void layer_lock_activity_trigger(void) {}
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# endif // LAYER_LOCK_IDLE_TIMEOUT > 0
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bool is_layer_locked(uint8_t layer) {
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return locked_layers & ((layer_state_t)1 << layer);
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}
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void layer_lock_invert(uint8_t layer) {
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const layer_state_t mask = (layer_state_t)1 << layer;
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if ((locked_layers & mask) == 0) { // Layer is being locked.
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# ifndef NO_ACTION_ONESHOT
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if (layer == get_oneshot_layer()) {
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reset_oneshot_layer(); // Reset so that OSL doesn't turn layer off.
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}
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# endif // NO_ACTION_ONESHOT
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layer_on(layer);
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layer_lock_activity_trigger();
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} else { // Layer is being unlocked.
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layer_off(layer);
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}
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layer_lock_set_kb(locked_layers ^= mask);
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}
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// Implement layer_lock_on/off by deferring to layer_lock_invert.
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void layer_lock_on(uint8_t layer) {
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if (!is_layer_locked(layer)) {
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layer_lock_invert(layer);
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}
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}
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void layer_lock_off(uint8_t layer) {
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if (is_layer_locked(layer)) {
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layer_lock_invert(layer);
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}
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}
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void layer_lock_all_off(void) {
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layer_and(~locked_layers);
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locked_layers = 0;
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layer_lock_set_kb(locked_layers);
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}
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#else // NO_ACTION_LAYER
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bool is_layer_locked(uint8_t layer) {
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return false;
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}
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void layer_lock_on(uint8_t layer) {}
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void layer_lock_off(uint8_t layer) {}
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void layer_lock_all_off(void) {}
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void layer_lock_invert(uint8_t layer) {}
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void layer_lock_timeout_task(void) {}
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void layer_lock_activity_trigger(void) {}
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#endif // NO_ACTION_LAYER
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__attribute__((weak)) bool layer_lock_set_kb(layer_state_t locked_layers) {
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return layer_lock_set_user(locked_layers);
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}
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__attribute__((weak)) bool layer_lock_set_user(layer_state_t locked_layers) {
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return true;
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}
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void layer_lock_task(void) {
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layer_lock_timeout_task();
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}
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