diff -r 1f42c03fafca -r 5760cbb32bc0 src/model.h
--- a/src/model.h	Sun Jul 25 20:29:14 2021 +0300
+++ b/src/model.h	Sun Jul 25 20:39:21 2021 +0300
@@ -50,7 +50,7 @@
 	ldraw::Id<R> checkType(ldraw::id_t id) const;
 	template<typename R>
 	const R* get(ldraw::Id<R> id, QModelIndex* index_out = nullptr) const;
-signals:
+Q_SIGNALS:
 	void objectAdded(ldraw::id_t id, int position);
 private:
 	using ModelObjectPointer = std::unique_ptr<ldraw::Object>;
@@ -107,12 +107,12 @@
 ldraw::Id<T> Model::append(Args&&... args)
 {
 	const int position = static_cast<int>(this->body.size());
-	emit beginInsertRows({}, position, position);
+	Q_EMIT beginInsertRows({}, position, position);
 	this->body.push_back(std::make_unique<T>(args...));
 	ldraw::Object* pointer = this->body.back().get();
 	this->objectsById[pointer->id] = pointer;
-	emit objectAdded(pointer->id, static_cast<int>(this->body.size() - 1));
-	emit endInsertRows();
+	Q_EMIT objectAdded(pointer->id, static_cast<int>(this->body.size() - 1));
+	Q_EMIT endInsertRows();
 	this->needRecache = true;
 	return ldraw::Id<T>{pointer->id.value};
 }
@@ -120,12 +120,12 @@
 template<typename T, typename... Args>
 ldraw::Id<T> Model::insert(const std::size_t position, Args&&... args)
 {
-	emit beginInsertRows({}, position, position);
+	Q_EMIT beginInsertRows({}, position, position);
 	this->body.insert(std::begin(this->body) + position, std::make_unique<T>(args...));
 	ldraw::Object* pointer = this->body[position].get();
 	this->objectsById[pointer->id] = pointer;
-	emit objectAdded(pointer->id, static_cast<int>(position));
-	emit endInsertRows();
+	Q_EMIT objectAdded(pointer->id, static_cast<int>(position));
+	Q_EMIT endInsertRows();
 	this->needRecache = true;
 	return ldraw::Id<T>{pointer->id.value};
 }