#ifndef QOBJECT_FACTORY_H #define QOBJECT_FACTORY_H #include #include //Wraps a factory function with QObject class to be exposed to qml context as named factory class ObjectFactory : public QObject { Q_OBJECT typedef QObject* (*Func0)(); typedef QObject* (*Func1)(const QVariant&); typedef QObject* (*Func2)(const QVariant&, const QVariant&); public: ObjectFactory(QObject* parent, Func0 f0) : QObject(parent), m_f0(f0), m_f1(nullptr), m_f2(nullptr) {} ObjectFactory(QObject* parent, Func1 f1) : QObject(parent), m_f0(nullptr), m_f1(f1), m_f2(nullptr) {} ObjectFactory(QObject* parent, Func2 f2) : QObject(parent), m_f0(nullptr), m_f1(nullptr), m_f2(f2) {} ~ObjectFactory() override = default; Q_INVOKABLE QObject* create() { if (m_f0) return m_f0(); return nullptr; } Q_INVOKABLE QObject* create(const QVariant& arg1) { if (m_f1) return m_f1(arg1); return nullptr; } Q_INVOKABLE QObject* create(const QVariant& arg1, const QVariant& arg2) { if (m_f2) return m_f2(arg1, arg2); return nullptr; } private: Func0 m_f0; Func1 m_f1; Func2 m_f2; }; #endif