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