77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
// Copyright 2021 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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//
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// For full documentation, see
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// https://getreuer.info/posts/keyboards/caps-word
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#include "caps_word.h"
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bool caps_word_enabled = false;
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bool process_caps_word(uint16_t keycode, keyrecord_t* record) {
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static bool shifted = false;
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if (!caps_word_enabled) {
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// Pressing both shift keys at the same time enables caps word.
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if (((get_mods() | get_oneshot_mods()) & MOD_MASK_SHIFT)
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== MOD_MASK_SHIFT) {
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clear_mods();
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clear_oneshot_mods();
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shifted = false;
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caps_word_enabled = true;
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return false;
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}
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return true;
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}
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if (!record->event.pressed) { return true; }
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if (!((get_mods() | get_oneshot_mods()) & ~MOD_MASK_SHIFT)) {
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switch (keycode) {
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case QK_MOD_TAP ... QK_MOD_TAP_MAX:
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case QK_LAYER_TAP ... QK_LAYER_TAP_MAX:
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// Earlier return if this has not been considered tapped yet.
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if (record->tap.count == 0) { return true; }
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// Get the base tapping keycode of a mod- or layer-tap key.
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keycode &= 0xff;
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}
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switch (keycode) {
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// Letter keys should be shifted.
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case KC_A ... KC_Z:
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if (!shifted) { register_code(KC_LSFT); }
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shifted = true;
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return true;
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// Keycodes that continue caps word but shouldn't get shifted.
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case KC_1 ... KC_0:
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case KC_BSPC:
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case KC_MINS:
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case KC_UNDS:
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if (shifted) { unregister_code(KC_LSFT); }
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shifted = false;
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return true;
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// Any other keycode disables caps word.
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}
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}
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// Disable caps word.
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caps_word_enabled = false;
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if (shifted) { unregister_code(KC_LSFT); }
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shifted = false;
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return true;
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}
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