30 lines
753 B
C++
30 lines
753 B
C++
#ifndef QPOINTERVARIANT_H
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#define QPOINTERVARIANT_H
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#include <QVariant>
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class QPointerVariant {
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public:
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template <typename T> QPointerVariant(T *ptr)
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: ptr(static_cast<void*>(ptr)),
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variant(QVariant(*ptr)){};
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void setValue(const QVariant &value) {
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auto destType = variant.type();
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if(!value.canConvert(destType)) {
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throw std::runtime_error("Unable to convert QVariant to requested type");
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}
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variant = value;
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variant.convert(destType);
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QMetaType mt(destType);
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mt.construct(ptr, variant.constData());
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}
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QVariant value() {
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return QVariant(variant.type(), ptr);
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}
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private:
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void *ptr;
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QVariant variant;
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};
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#endif // QPOINTERVARIANT_H
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