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author | Nick Brassel <[email protected]> | 2024-11-27 21:29:12 +1100 |
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committer | Nick Brassel <[email protected]> | 2024-11-27 21:29:12 +1100 |
commit | 9f76541b29056150cf57d69569a14a59e13995c7 (patch) | |
tree | 66c7398d873fcda88aebe3090603aefe045ff52e /quantum/process_keycode/process_layer_lock.c | |
parent | 57be4871616ee9a8fe042f6186010d436ec7d4b1 (diff) | |
parent | eb04b94eecbb9b3e64ca9c74f937b5f762440b17 (diff) | |
download | qmk_firmware-9f76541b29056150cf57d69569a14a59e13995c7.tar.gz qmk_firmware-9f76541b29056150cf57d69569a14a59e13995c7.zip |
Merge branch 'develop'0.27.0
Diffstat (limited to 'quantum/process_keycode/process_layer_lock.c')
-rw-r--r-- | quantum/process_keycode/process_layer_lock.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/quantum/process_keycode/process_layer_lock.c b/quantum/process_keycode/process_layer_lock.c new file mode 100644 index 0000000000..6946d3c886 --- /dev/null +++ b/quantum/process_keycode/process_layer_lock.c @@ -0,0 +1,82 @@ +// 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 "process_layer_lock.h" +#include "quantum_keycodes.h" +#include "action_util.h" + +// The current lock state. The kth bit is on if layer k is locked. +extern layer_state_t locked_layers; + +// Handles an event on an `MO` or `TT` layer switch key. +static inline bool handle_mo_or_tt(uint8_t layer, keyrecord_t* record) { + if (is_layer_locked(layer)) { + if (record->event.pressed) { // On press, unlock the layer. + layer_lock_invert(layer); + } + return false; // Skip default handling. + } + return true; +} + +bool process_layer_lock(uint16_t keycode, keyrecord_t* record) { +#ifndef NO_ACTION_LAYER + layer_lock_activity_trigger(); + + // The intention is that locked layers remain on. If something outside of + // this feature turned any locked layers off, unlock them. + if ((locked_layers & ~layer_state) != 0) { + layer_lock_set_kb(locked_layers &= layer_state); + } + + if (keycode == QK_LAYER_LOCK) { + if (record->event.pressed) { // The layer lock key was pressed. + layer_lock_invert(get_highest_layer(layer_state)); + } + return false; + } + + switch (keycode) { + case QK_MOMENTARY ... QK_MOMENTARY_MAX: // `MO(layer)` keys. + return handle_mo_or_tt(QK_MOMENTARY_GET_LAYER(keycode), record); + + case QK_LAYER_TAP_TOGGLE ... QK_LAYER_TAP_TOGGLE_MAX: // `TT(layer)`. + return handle_mo_or_tt(QK_LAYER_TAP_TOGGLE_GET_LAYER(keycode), record); + + case QK_LAYER_MOD ... QK_LAYER_MOD_MAX: { // `LM(layer, mod)`. + uint8_t layer = QK_LAYER_MOD_GET_LAYER(keycode); + if (is_layer_locked(layer)) { + if (record->event.pressed) { // On press, unlock the layer. + layer_lock_invert(layer); + } else { // On release, clear the mods. + clear_mods(); + send_keyboard_report(); + } + return false; // Skip default handling. + } + } break; + +# ifndef NO_ACTION_TAPPING + case QK_LAYER_TAP ... QK_LAYER_TAP_MAX: // `LT(layer, key)` keys. + if (record->tap.count == 0 && !record->event.pressed && is_layer_locked(QK_LAYER_TAP_GET_LAYER(keycode))) { + // Release event on a held layer-tap key where the layer is locked. + return false; // Skip default handling so that layer stays on. + } + break; +# endif // NO_ACTION_TAPPING + } +#endif // NO_ACTION_LAYER + return true; +} |