keychron_qmk_firmware/quantum/process_keycode/process_chording.c
skullydazed 23839b8c6d Clarify the quantum license (#1042)
* Clarify the license for files we have signoff on

* Update against the currently signed off files

* Remove unused and not clearly licensed headers

* Replace an #endif I accidentally removed while resolving merge conflicts
2017-03-28 15:20:36 -07:00

77 lines
2.2 KiB
C

/* Copyright 2016 Jack Humbert
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "process_chording.h"
bool keys_chord(uint8_t keys[]) {
uint8_t keys_size = sizeof(keys)/sizeof(keys[0]);
bool pass = true;
uint8_t in = 0;
for (uint8_t i = 0; i < chord_key_count; i++) {
bool found = false;
for (uint8_t j = 0; j < keys_size; j++) {
if (chord_keys[i] == (keys[j] & 0xFF)) {
in++; // detects key in chord
found = true;
break;
}
}
if (found)
continue;
if (chord_keys[i] != 0) {
pass = false; // makes sure rest are blank
}
}
return (pass && (in == keys_size));
}
bool process_chording(uint16_t keycode, keyrecord_t *record) {
if (keycode >= QK_CHORDING && keycode <= QK_CHORDING_MAX) {
if (record->event.pressed) {
if (!chording) {
chording = true;
for (uint8_t i = 0; i < CHORDING_MAX; i++)
chord_keys[i] = 0;
chord_key_count = 0;
chord_key_down = 0;
}
chord_keys[chord_key_count] = (keycode & 0xFF);
chord_key_count++;
chord_key_down++;
return false;
} else {
if (chording) {
chord_key_down--;
if (chord_key_down == 0) {
chording = false;
// Chord Dictionary
if (keys_chord((uint8_t[]){KC_ENTER, KC_SPACE})) {
register_code(KC_A);
unregister_code(KC_A);
return false;
}
for (uint8_t i = 0; i < chord_key_count; i++) {
register_code(chord_keys[i]);
unregister_code(chord_keys[i]);
return false;
}
}
}
}
}
return true;
}