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// Copyright 2021-2022 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.
//
//
// For full documentation, see
// https://getreuer.info/posts/keyboards/caps-word
#include "caps_word.h"
static bool caps_word_active = false;
bool process_caps_word(uint16_t keycode, keyrecord_t* record) {
#ifndef NO_ACTION_ONESHOT
const uint8_t mods = get_mods() | get_oneshot_mods();
#else
const uint8_t mods = get_mods();
#endif // NO_ACTION_ONESHOT
if (!caps_word_active) {
// Pressing both shift keys at the same time enables caps word.
if ((mods & MOD_MASK_SHIFT) == MOD_MASK_SHIFT) {
caps_word_set(true); // Activate Caps Word.
return false;
}
return true;
}
if (!record->event.pressed) { return true; }
if (!(mods & ~MOD_MASK_SHIFT)) {
switch (keycode) {
// Ignore MO, TO, TG, TT, and OSL layer switch keys.
case QK_MOMENTARY ... QK_MOMENTARY + 255:
case QK_TO ... QK_TO + 255:
case QK_TOGGLE_LAYER ... QK_TOGGLE_LAYER + 255:
case QK_LAYER_TAP_TOGGLE ... QK_LAYER_TAP_TOGGLE + 255:
case QK_ONE_SHOT_LAYER ... QK_ONE_SHOT_LAYER + 255:
return true;
#ifndef NO_ACTION_TAPPING
case QK_MOD_TAP ... QK_MOD_TAP_MAX:
if (record->tap.count == 0) {
// Deactivate if a mod becomes active through holding a mod-tap key.
caps_word_set(false);
return true;
}
keycode &= 0xff;
break;
#ifndef NO_ACTION_LAYER
case QK_LAYER_TAP ... QK_LAYER_TAP_MAX:
#endif // NO_ACTION_LAYER
if (record->tap.count == 0) { return true; }
keycode &= 0xff;
break;
#endif // NO_ACTION_TAPPING
#ifdef SWAP_HANDS_ENABLE
case QK_SWAP_HANDS ... QK_SWAP_HANDS_MAX:
if (keycode > 0x56F0 || record->tap.count == 0) { return true; }
keycode &= 0xff;
break;
#endif // SWAP_HANDS_ENABLE
}
if (caps_word_press_user(keycode)) {
return true;
}
}
caps_word_set(false); // Deactivate Caps Word.
return true;
}
void caps_word_set(bool active) {
if (active != caps_word_active) {
if (active) {
clear_mods();
#ifndef NO_ACTION_ONESHOT
clear_oneshot_mods();
#endif // NO_ACTION_ONESHOT
}
caps_word_active = active;
caps_word_set_user(active);
}
}
bool caps_word_get(void) { return caps_word_active; }
__attribute__((weak)) void caps_word_set_user(bool active) {}
__attribute__((weak)) bool caps_word_press_user(uint16_t keycode) {
switch (keycode) {
// Keycodes that continue Caps Word, with shift applied.
case KC_A ... KC_Z:
add_weak_mods(MOD_BIT(KC_LSFT)); // Apply shift to the next key.
return true;
// Keycodes that continue Caps Word, without shifting.
case KC_1 ... KC_0:
case KC_P1 ... KC_P0:
case KC_BSPC:
case KC_MINS:
case KC_UNDS:
return true;
default:
return false; // Deactivate Caps Word.
}
}
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