qmk_sweep_skeletyl/quantum/process_keycode/process_combo.c
2016-12-10 00:49:11 +02:00

66 lines
No EOL
1.6 KiB
C

#include "process_combo.h"
#include "print.h"
// __attribute__ ((weak))
// combo_t key_combos[] = {
// };
#define SEND_KEY(key) \
do { \
register_code16(key); \
send_keyboard_report(); \
unregister_code16(key); \
} while(0)
#define ALL_COMBO_KEYS_ARE_DOWN (((1<<count)-1) == combo->state)
static bool process_single_combo(combo_t *combo, uint16_t keycode, keyrecord_t *record)
{
uint8_t count = 0;
bool is_combo_key = false;
// bool combo_key_released = false;
// Count the number of combo keys
for (const uint16_t *key = combo->keys; COMBO_END != pgm_read_word(key); ++key, ++count);
for (uint8_t i = 0; i < count; ++i) {
uint16_t key = pgm_read_word(&combo->keys[i]);
if (key == keycode) {
is_combo_key = true;
if (record->event.pressed) {
combo->state |= (1<<i);
} else { // Combo key released
if (!combo->state) {
// The combo was sent, no need to send released key
return true;
}
combo->state &= ~(1<<i);
SEND_KEY(key);
}
}
}
if (ALL_COMBO_KEYS_ARE_DOWN) {
SEND_KEY(combo->action);
combo->state = 0;
}
return is_combo_key;
}
bool process_combo(uint16_t keycode, keyrecord_t *record)
{
bool is_combo_key = false;
for (int i = 0; i < NUM_ELEMS(key_combos); ++i) {
combo_t *combo = &key_combos[i];
is_combo_key |= process_single_combo(combo, keycode, record);
}
return !is_combo_key;
}