mirror of https://github.com/qmk/qmk_firmware
111 lines
2.9 KiB
C
111 lines
2.9 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/select-word
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#include "select_word.h"
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// Mac users, uncomment this line:
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// #define MAC_HOTKEYS
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enum { STATE_NONE, STATE_SELECTED, STATE_WORD, STATE_FIRST_LINE, STATE_LINE };
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bool process_select_word(uint16_t keycode, keyrecord_t* record,
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uint16_t sel_keycode) {
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static uint8_t state = STATE_NONE;
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if (keycode == KC_LSFT || keycode == KC_RSFT) { return true; }
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if (keycode == sel_keycode && record->event.pressed) { // On key press.
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const uint8_t mods = get_mods();
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#ifndef NO_ACTION_ONESHOT
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const uint8_t all_mods = mods | get_oneshot_mods();
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#else
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const uint8_t all_mods = mods;
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#endif // NO_ACTION_ONESHOT
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if ((all_mods & MOD_MASK_SHIFT) == 0) { // Select word.
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#ifdef MAC_HOTKEYS
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register_code(KC_LALT);
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#else
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register_code(KC_LCTL);
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#endif // MAC_HOTKEYS
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if (state == STATE_NONE) {
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tap_code(KC_RGHT);
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tap_code(KC_LEFT);
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}
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register_code(KC_LSFT);
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register_code(KC_RGHT);
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state = STATE_WORD;
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} else { // Select line.
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if (state == STATE_NONE) {
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clear_mods();
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#ifndef NO_ACTION_ONESHOT
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clear_oneshot_mods();
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#endif // NO_ACTION_ONESHOT
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#ifdef MAC_HOTKEYS
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register_code16(LCTL(KC_A));
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tap_code16(LSFT(KC_E));
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unregister_code16(LCTL(KC_A));
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#else
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tap_code(KC_HOME);
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tap_code16(LSFT(KC_END));
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#endif // MAC_HOTKEYS
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set_mods(mods);
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state = STATE_FIRST_LINE;
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} else {
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register_code(KC_DOWN);
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state = STATE_LINE;
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}
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}
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return false;
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}
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// `sel_keycode` was released, or another key was pressed.
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switch (state) {
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case STATE_WORD:
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unregister_code(KC_RGHT);
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unregister_code(KC_LSFT);
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#ifdef MAC_HOTKEYS
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unregister_code(KC_LALT);
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#else
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unregister_code(KC_LCTL);
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#endif // MAC_HOTKEYS
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state = STATE_SELECTED;
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break;
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case STATE_FIRST_LINE:
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state = STATE_SELECTED;
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break;
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case STATE_LINE:
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unregister_code(KC_DOWN);
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state = STATE_SELECTED;
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break;
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case STATE_SELECTED:
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if (keycode == KC_ESC) {
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tap_code(KC_RGHT);
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state = STATE_NONE;
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return false;
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}
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// Fallthrough.
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default:
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state = STATE_NONE;
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}
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return true;
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}
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