refactor(core): Extra position state change data struct.

* Separate header and data struct for the event.
* Remove duplicate struct in split code.

app/include/zmk/events/position_state_changed.h

@@ -9,11 +9,15 @@
 #include <zephyr.h>
 #include <zmk/event_manager.h>
 
-struct position_state_changed {
-    struct zmk_event_header header;
+struct zmk_position_state_changed_data {
     uint32_t position;
     bool state;
     int64_t timestamp;
 };
 
+struct position_state_changed {
+    struct zmk_event_header header;
+    struct zmk_position_state_changed_data data;
+};
+
 ZMK_EVENT_DECLARE(position_state_changed);

app/src/behaviors/behavior_hold_tap.c

@@ -92,7 +92,7 @@ static struct position_state_changed *find_captured_keydown_event(uint32_t posit
             continue;
         }
         struct position_state_changed *position_event = cast_position_state_changed(eh);
-        if (position_event->position == position && position_event->state) {
+        if (position_event->data.position == position && position_event->data.state) {
             last_match = position_event;
         }
     }
@@ -143,8 +143,9 @@ static void release_captured_events() {
         if (is_position_state_changed(captured_event)) {
             struct position_state_changed *position_event =
                 cast_position_state_changed(captured_event);
-            LOG_DBG("Releasing key position event for position %d %s", position_event->position,
-                    (position_event->state ? "pressed" : "released"));
+            LOG_DBG("Releasing key position event for position %d %s",
+                    position_event->data.position,
+                    (position_event->data.state ? "pressed" : "released"));
         } else {
             struct keycode_state_changed *modifier_event =
                 cast_keycode_state_changed(captured_event);
@@ -391,12 +392,12 @@ static int position_state_changed_listener(const struct zmk_event_header *eh) {
     struct position_state_changed *ev = cast_position_state_changed(eh);
 
     if (undecided_hold_tap == NULL) {
-        LOG_DBG("%d bubble (no undecided hold_tap active)", ev->position);
+        LOG_DBG("%d bubble (no undecided hold_tap active)", ev->data.position);
         return ZMK_EV_EVENT_BUBBLE;
     }
 
-    if (undecided_hold_tap->position == ev->position) {
-        if (ev->state) { // keydown
+    if (undecided_hold_tap->position == ev->data.position) {
+        if (ev->data.state) { // keydown
             LOG_ERR("hold-tap listener should be called before before most other listeners!");
             return ZMK_EV_EVENT_BUBBLE;
         } else { // keyup
@@ -408,23 +409,23 @@ static int position_state_changed_listener(const struct zmk_event_header *eh) {
     // If these events were queued, the timer event may be queued too late or not at all.
     // We make a timer decision before the other key events are handled if the timer would
     // have run out.
-    if (ev->timestamp >
+    if (ev->data.timestamp >
         (undecided_hold_tap->timestamp + undecided_hold_tap->config->tapping_term_ms)) {
         decide_hold_tap(undecided_hold_tap, HT_TIMER_EVENT);
     }
 
-    if (!ev->state && find_captured_keydown_event(ev->position) == NULL) {
+    if (!ev->data.state && find_captured_keydown_event(ev->data.position) == NULL) {
         // no keydown event has been captured, let it bubble.
         // we'll catch modifiers later in modifier_state_changed_listener
-        LOG_DBG("%d bubbling %d %s event", undecided_hold_tap->position, ev->position,
-                ev->state ? "down" : "up");
+        LOG_DBG("%d bubbling %d %s event", undecided_hold_tap->position, ev->data.position,
+                ev->data.state ? "down" : "up");
         return ZMK_EV_EVENT_BUBBLE;
     }
 
-    LOG_DBG("%d capturing %d %s event", undecided_hold_tap->position, ev->position,
-            ev->state ? "down" : "up");
+    LOG_DBG("%d capturing %d %s event", undecided_hold_tap->position, ev->data.position,
+            ev->data.state ? "down" : "up");
     capture_event(eh);
-    decide_hold_tap(undecided_hold_tap, ev->state ? HT_OTHER_KEY_DOWN : HT_OTHER_KEY_UP);
+    decide_hold_tap(undecided_hold_tap, ev->data.state ? HT_OTHER_KEY_DOWN : HT_OTHER_KEY_UP);
     return ZMK_EV_EVENT_CAPTURED;
 }
 

app/src/keymap.c

@@ -249,7 +249,8 @@ int zmk_keymap_sensor_triggered(uint8_t sensor_number, const struct device *sens
 int keymap_listener(const struct zmk_event_header *eh) {
     if (is_position_state_changed(eh)) {
         const struct position_state_changed *ev = cast_position_state_changed(eh);
-        return zmk_keymap_position_state_changed(ev->position, ev->state, ev->timestamp);
+        return zmk_keymap_position_state_changed(ev->data.position, ev->data.state,
+                                                 ev->data.timestamp);
 #if ZMK_KEYMAP_HAS_SENSORS
     } else if (is_sensor_event(eh)) {
         const struct sensor_event *ev = cast_sensor_event(eh);

app/src/kscan.c

@@ -51,9 +51,8 @@ void zmk_kscan_process_msgq(struct k_work *item) {
         LOG_DBG("Row: %d, col: %d, position: %d, pressed: %s\n", ev.row, ev.column, position,
                 (pressed ? "true" : "false"));
         pos_ev = new_position_state_changed();
-        pos_ev->state = pressed;
-        pos_ev->position = position;
-        pos_ev->timestamp = k_uptime_get();
+        pos_ev->data = (struct zmk_position_state_changed_data){
+            .state = pressed, .position = position, .timestamp = k_uptime_get()};
         ZMK_EVENT_RAISE(pos_ev);
     }
 }

app/src/split/bluetooth/central.c

@@ -33,22 +33,14 @@ static struct bt_uuid_128 uuid = BT_UUID_INIT_128(ZMK_SPLIT_BT_SERVICE_UUID);
 static struct bt_gatt_discover_params discover_params;
 static struct bt_gatt_subscribe_params subscribe_params;
 
-struct zmk_split_peripheral_event {
-    uint32_t position;
-    uint32_t state;
-    int32_t timestamp;
-};
-
-K_MSGQ_DEFINE(peripheral_event_msgq, sizeof(struct zmk_split_peripheral_event),
+K_MSGQ_DEFINE(peripheral_event_msgq, sizeof(struct zmk_position_state_changed_data),
               CONFIG_ZMK_SPLIT_BLE_CENTRAL_POSITION_QUEUE_SIZE, 4);
 
 void peripheral_event_work_callback(struct k_work *work) {
-    struct zmk_split_peripheral_event ev;
+    struct zmk_position_state_changed_data ev;
     while (k_msgq_get(&peripheral_event_msgq, &ev, K_NO_WAIT) == 0) {
         struct position_state_changed *pos_ev = new_position_state_changed();
-        pos_ev->position = ev.position;
-        pos_ev->state = ev.state;
-        pos_ev->timestamp = ev.timestamp;
+        pos_ev->data = ev;
 
         LOG_DBG("Trigger key position state change for %d", ev.position);
         ZMK_EVENT_RAISE(pos_ev);
@@ -82,7 +74,7 @@ static uint8_t split_central_notify_func(struct bt_conn *conn,
             if (changed_positions[i] & BIT(j)) {
                 uint32_t position = (i * 8) + j;
                 bool pressed = position_state[i] & BIT(j);
-                struct zmk_split_peripheral_event ev = {
+                struct zmk_position_state_changed_data ev = {
                     .position = position, .state = pressed, .timestamp = k_uptime_get()};
 
                 k_msgq_put(&peripheral_event_msgq, &ev, K_NO_WAIT);

app/src/split_listener.c

@@ -23,10 +23,10 @@ int split_listener(const struct zmk_event_header *eh) {
     LOG_DBG("");
     if (is_position_state_changed(eh)) {
         const struct position_state_changed *ev = cast_position_state_changed(eh);
-        if (ev->state) {
-            return zmk_split_bt_position_pressed(ev->position);
+        if (ev->data.state) {
+            return zmk_split_bt_position_pressed(ev->data.position);
         } else {
-            return zmk_split_bt_position_released(ev->position);
+            return zmk_split_bt_position_released(ev->data.position);
         }
     }
     return ZMK_EV_EVENT_BUBBLE;