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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| 
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| #include "layer_lock.h"
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| #include "quantum_keycodes.h"
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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