wlr_seat: Extract seat_client_create() function

types/seat/wlr_seat.c

@@ -114,26 +114,12 @@ static const struct wl_seat_interface seat_impl = {
 	.release = seat_handle_release,
 };
 
-static void seat_handle_bind(struct wl_client *client, void *_wlr_seat,
-		uint32_t version, uint32_t id) {
-	struct wlr_seat *wlr_seat = _wlr_seat;
-	assert(client && wlr_seat);
-
-	struct wl_resource *wl_resource =
-		wl_resource_create(client, &wl_seat_interface, version, id);
-	if (wl_resource == NULL) {
-		wl_client_post_no_memory(client);
-		return;
-	}
-
+static struct wlr_seat_client *seat_client_create(struct wlr_seat *wlr_seat,
+		struct wl_client *client, struct wl_resource *wl_resource) {
 	struct wlr_seat_client *seat_client =
-		wlr_seat_client_for_wl_client(wlr_seat, client);
-	if (seat_client == NULL) {
-		seat_client = calloc(1, sizeof(struct wlr_seat_client));
-		if (seat_client == NULL) {
-			wl_resource_destroy(wl_resource);
-			wl_client_post_no_memory(client);
-			return;
+		calloc(1, sizeof(struct wlr_seat_client));
+	if (!seat_client) {
+		return NULL;
 	}
 
 	seat_client->client = client;
@@ -160,6 +146,32 @@ static void seat_handle_bind(struct wl_client *client, void *_wlr_seat,
 			wl_resource_get_client(keyboard_focus->resource) == client) {
 		wlr_seat->keyboard_state.focused_client = seat_client;
 	}
+
+	return seat_client;
+}
+
+static void seat_handle_bind(struct wl_client *client, void *_wlr_seat,
+		uint32_t version, uint32_t id) {
+	struct wlr_seat *wlr_seat = _wlr_seat;
+	assert(client && wlr_seat);
+
+	struct wl_resource *wl_resource =
+		wl_resource_create(client, &wl_seat_interface, version, id);
+	if (wl_resource == NULL) {
+		wl_client_post_no_memory(client);
+		return;
+	}
+
+	struct wlr_seat_client *seat_client =
+		wlr_seat_client_for_wl_client(wlr_seat, client);
+	if (!seat_client) {
+		seat_client = seat_client_create(wlr_seat, client, wl_resource);
+	}
+
+	if (seat_client == NULL) {
+		wl_resource_destroy(wl_resource);
+		wl_client_post_no_memory(client);
+		return;
 	}
 
 	wl_resource_set_implementation(wl_resource, &seat_impl,