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[Core] Add Layer Lock feature (#23430)

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Co-authored-by: Daniel <1767914+iamdanielv@users.noreply.github.com>
Co-authored-by: Pascal Getreuer <getreuer@google.com>
Co-authored-by: Pascal Getreuer <50221757+getreuer@users.noreply.github.com>
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Drashna Jaelre 2024-11-20 22:31:54 -08:00 • committed by GitHub
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commit 36b5559b99
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20 changed files with 871 additions and 2 deletions
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quantum/layer_lock.c Normal file
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// Copyright 2022-2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "layer_lock.h"
#include "quantum_keycodes.h"
#ifndef NO_ACTION_LAYER
// The current lock state. The kth bit is on if layer k is locked.
layer_state_t locked_layers = 0;
// Layer Lock timer to disable layer lock after X seconds inactivity
# if defined(LAYER_LOCK_IDLE_TIMEOUT) && LAYER_LOCK_IDLE_TIMEOUT > 0
uint32_t layer_lock_timer = 0;
void layer_lock_task(void) {
if (locked_layers && timer_elapsed32(layer_lock_timer) > LAYER_LOCK_IDLE_TIMEOUT) {
layer_lock_all_off();
layer_lock_timer = timer_read32();
}
}
# endif // LAYER_LOCK_IDLE_TIMEOUT > 0
bool is_layer_locked(uint8_t layer) {
return locked_layers & ((layer_state_t)1 << layer);
}
void layer_lock_invert(uint8_t layer) {
const layer_state_t mask = (layer_state_t)1 << layer;
if ((locked_layers & mask) == 0) { // Layer is being locked.
# ifndef NO_ACTION_ONESHOT
if (layer == get_oneshot_layer()) {
reset_oneshot_layer(); // Reset so that OSL doesn't turn layer off.
}
# endif // NO_ACTION_ONESHOT
layer_on(layer);
# if defined(LAYER_LOCK_IDLE_TIMEOUT) && LAYER_LOCK_IDLE_TIMEOUT > 0
layer_lock_timer = timer_read32();
# endif // LAYER_LOCK_IDLE_TIMEOUT > 0
} else { // Layer is being unlocked.
layer_off(layer);
}
layer_lock_set_kb(locked_layers ^= mask);
}
// Implement layer_lock_on/off by deferring to layer_lock_invert.
void layer_lock_on(uint8_t layer) {
if (!is_layer_locked(layer)) {
layer_lock_invert(layer);
}
}
void layer_lock_off(uint8_t layer) {
if (is_layer_locked(layer)) {
layer_lock_invert(layer);
}
}
void layer_lock_all_off(void) {
layer_and(~locked_layers);
locked_layers = 0;
layer_lock_set_kb(locked_layers);
}
__attribute__((weak)) bool layer_lock_set_kb(layer_state_t locked_layers) {
return layer_lock_set_user(locked_layers);
}
__attribute__((weak)) bool layer_lock_set_user(layer_state_t locked_layers) {
return true;
}
#endif // NO_ACTION_LAYER