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-rw-r--r--quantum/process_keycode/process_chording.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/quantum/process_keycode/process_chording.c b/quantum/process_keycode/process_chording.c
new file mode 100644
index 000000000..d7814629f
--- /dev/null
+++ b/quantum/process_keycode/process_chording.c
@@ -0,0 +1,60 @@
+#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;
+} \ No newline at end of file