135 lines
3.9 KiB
C
135 lines
3.9 KiB
C
#include "process_combo.h"
|
|
#include "print.h"
|
|
|
|
|
|
#define COMBO_TIMER_ELAPSED -1
|
|
|
|
|
|
__attribute__ ((weak))
|
|
combo_t key_combos[] = {
|
|
|
|
};
|
|
|
|
__attribute__ ((weak))
|
|
void process_combo_event(uint8_t combo_index, bool pressed) {
|
|
|
|
}
|
|
|
|
static uint8_t current_combo_index = 0;
|
|
|
|
static inline void send_combo(uint16_t action, bool pressed)
|
|
{
|
|
if (action) {
|
|
if (pressed) {
|
|
register_code16(action);
|
|
} else {
|
|
unregister_code16(action);
|
|
}
|
|
} else {
|
|
process_combo_event(current_combo_index, pressed);
|
|
}
|
|
}
|
|
|
|
#define ALL_COMBO_KEYS_ARE_DOWN (((1<<count)-1) == combo->state)
|
|
#define NO_COMBO_KEYS_ARE_DOWN (0 == combo->state)
|
|
#define KEY_STATE_DOWN(key) do{ combo->state |= (1<<key); } while(0)
|
|
#define KEY_STATE_UP(key) do{ combo->state &= ~(1<<key); } while(0)
|
|
static bool process_single_combo(combo_t *combo, uint16_t keycode, keyrecord_t *record)
|
|
{
|
|
uint8_t count = 0;
|
|
uint8_t index = -1;
|
|
/* Find index of keycode and number of combo keys */
|
|
for (const uint16_t *keys = combo->keys; ;++count) {
|
|
uint16_t key = pgm_read_word(&keys[count]);
|
|
if (keycode == key) index = count;
|
|
if (COMBO_END == key) break;
|
|
}
|
|
|
|
/* Return if not a combo key */
|
|
if (-1 == (int8_t)index) return false;
|
|
|
|
/* The combos timer is used to signal whether the combo is active */
|
|
bool is_combo_active = COMBO_TIMER_ELAPSED == combo->timer ? false : true;
|
|
|
|
if (record->event.pressed) {
|
|
KEY_STATE_DOWN(index);
|
|
|
|
if (is_combo_active) {
|
|
if (ALL_COMBO_KEYS_ARE_DOWN) { /* Combo was pressed */
|
|
send_combo(combo->keycode, true);
|
|
combo->timer = COMBO_TIMER_ELAPSED;
|
|
} else { /* Combo key was pressed */
|
|
combo->timer = timer_read();
|
|
#ifdef COMBO_ALLOW_ACTION_KEYS
|
|
combo->prev_record = *record;
|
|
#else
|
|
combo->prev_key = keycode;
|
|
#endif
|
|
}
|
|
}
|
|
} else {
|
|
if (ALL_COMBO_KEYS_ARE_DOWN) { /* Combo was released */
|
|
send_combo(combo->keycode, false);
|
|
}
|
|
|
|
if (is_combo_active) { /* Combo key was tapped */
|
|
#ifdef COMBO_ALLOW_ACTION_KEYS
|
|
record->event.pressed = true;
|
|
process_action(record, store_or_get_action(record->event.pressed, record->event.key));
|
|
record->event.pressed = false;
|
|
process_action(record, store_or_get_action(record->event.pressed, record->event.key));
|
|
#else
|
|
register_code16(keycode);
|
|
send_keyboard_report();
|
|
unregister_code16(keycode);
|
|
#endif
|
|
combo->timer = 0;
|
|
}
|
|
|
|
KEY_STATE_UP(index);
|
|
}
|
|
|
|
if (NO_COMBO_KEYS_ARE_DOWN) {
|
|
combo->timer = 0;
|
|
}
|
|
|
|
return is_combo_active;
|
|
}
|
|
|
|
bool process_combo(uint16_t keycode, keyrecord_t *record)
|
|
{
|
|
bool is_combo_key = false;
|
|
|
|
for (current_combo_index = 0; current_combo_index < COMBO_COUNT; ++current_combo_index) {
|
|
combo_t *combo = &key_combos[current_combo_index];
|
|
is_combo_key |= process_single_combo(combo, keycode, record);
|
|
}
|
|
|
|
return !is_combo_key;
|
|
}
|
|
|
|
void matrix_scan_combo(void)
|
|
{
|
|
for (int i = 0; i < COMBO_COUNT; ++i) {
|
|
combo_t *combo = &key_combos[i];
|
|
if (combo->timer &&
|
|
combo->timer != COMBO_TIMER_ELAPSED &&
|
|
timer_elapsed(combo->timer) > COMBO_TERM) {
|
|
|
|
/* This disables the combo, meaning key events for this
|
|
* combo will be handled by the next processors in the chain
|
|
*/
|
|
combo->timer = COMBO_TIMER_ELAPSED;
|
|
|
|
#ifdef COMBO_ALLOW_ACTION_KEYS
|
|
process_action(&combo->prev_record,
|
|
store_or_get_action(combo->prev_record.event.pressed,
|
|
combo->prev_record.event.key));
|
|
#else
|
|
unregister_code16(combo->prev_key);
|
|
register_code16(combo->prev_key);
|
|
#endif
|
|
}
|
|
}
|
|
}
|