diff options
| -rw-r--r-- | build_keyboard.mk | 5 | ||||
| -rw-r--r-- | quantum/process_keycode/process_combo.c | 134 | ||||
| -rw-r--r-- | quantum/process_keycode/process_combo.h | 43 | ||||
| -rw-r--r-- | quantum/quantum.c | 8 | ||||
| -rw-r--r-- | quantum/quantum.h | 4 |
5 files changed, 194 insertions, 0 deletions
diff --git a/build_keyboard.mk b/build_keyboard.mk index ce505de12..14f4f36bc 100644 --- a/build_keyboard.mk +++ b/build_keyboard.mk @@ -144,6 +144,11 @@ ifeq ($(strip $(MIDI_ENABLE)), yes) SRC += $(QUANTUM_DIR)/process_keycode/process_midi.c endif +ifeq ($(strip $(COMBO_ENABLE)), yes) + OPT_DEFS += -DCOMBO_ENABLE + SRC += $(QUANTUM_DIR)/process_keycode/process_combo.c +endif + ifeq ($(strip $(VIRTSER_ENABLE)), yes) OPT_DEFS += -DVIRTSER_ENABLE endif diff --git a/quantum/process_keycode/process_combo.c b/quantum/process_keycode/process_combo.c new file mode 100644 index 000000000..e2189ad98 --- /dev/null +++ b/quantum/process_keycode/process_combo.c @@ -0,0 +1,134 @@ +#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 + } + } +} diff --git a/quantum/process_keycode/process_combo.h b/quantum/process_keycode/process_combo.h new file mode 100644 index 000000000..847f2b737 --- /dev/null +++ b/quantum/process_keycode/process_combo.h @@ -0,0 +1,43 @@ +#ifndef PROCESS_COMBO_H +#define PROCESS_COMBO_H + +#include <stdint.h> +#include "progmem.h" +#include "quantum.h" + +typedef struct +{ + const uint16_t *keys; + uint16_t keycode; +#ifdef EXTRA_EXTRA_LONG_COMBOS + uint32_t state; +#elif EXTRA_LONG_COMBOS + uint16_t state; +#else + uint8_t state; +#endif + uint16_t timer; +#ifdef COMBO_ALLOW_ACTION_KEYS + keyrecord_t prev_record; +#else + uint16_t prev_key; +#endif +} combo_t; + + +#define COMBO(ck, ca) {.keys = &(ck)[0], .keycode = (ca)} +#define COMBO_ACTION(ck) {.keys = &(ck)[0]} + +#define COMBO_END 0 +#ifndef COMBO_COUNT +#define COMBO_COUNT 0 +#endif +#ifndef COMBO_TERM +#define COMBO_TERM TAPPING_TERM +#endif + +bool process_combo(uint16_t keycode, keyrecord_t *record); +void matrix_scan_combo(void); +void process_combo_event(uint8_t combo_index, bool pressed); + +#endif diff --git a/quantum/quantum.c b/quantum/quantum.c index f653564a6..7767b6301 100644 --- a/quantum/quantum.c +++ b/quantum/quantum.c @@ -113,6 +113,9 @@ bool process_record_quantum(keyrecord_t *record) { if (!( process_record_kb(keycode, record) && + #ifdef COMBO_ENABLE + process_combo(keycode, record) && + #endif #ifdef MIDI_ENABLE process_midi(keycode, record) && #endif @@ -506,6 +509,11 @@ void matrix_scan_quantum() { #ifdef TAP_DANCE_ENABLE matrix_scan_tap_dance(); #endif + + #ifdef COMBO_ENABLE + matrix_scan_combo(); + #endif + matrix_scan_kb(); } diff --git a/quantum/quantum.h b/quantum/quantum.h index e6adf974a..8614c053a 100644 --- a/quantum/quantum.h +++ b/quantum/quantum.h @@ -63,6 +63,10 @@ extern uint32_t default_layer_state; #include "process_printer.h" #endif +#ifdef COMBO_ENABLE + #include "process_combo.h" +#endif + #define SEND_STRING(str) send_string(PSTR(str)) void send_string(const char *str); |