88041783e6
Compiling under Linux fails because of a missing include directive Ref: http://en.cppreference.com/w/cpp/utility/functional/bind http://en.cppreference.com/w/cpp/utility/functional/placeholders
84 lines
1.5 KiB
C++
84 lines
1.5 KiB
C++
#pragma once
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#include <functional>
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#include <memory>
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#include <QObject>
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namespace details
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{
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struct DeleteQObjectLater
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{
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void operator()(QObject *obj) const
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{
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obj->deleteLater();
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}
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};
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}
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/**
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* A unique pointer class with unique pointer semantics intended for derivates of QObject
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* Calls deleteLater() instead of destroying the contained object immediately
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*/
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template<typename T> using unique_qobject_ptr = std::unique_ptr<T, details::DeleteQObjectLater>;
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/**
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* A shared pointer class with shared pointer semantics intended for derivates of QObject
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* Calls deleteLater() instead of destroying the contained object immediately
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*/
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template <typename T>
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class shared_qobject_ptr
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{
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public:
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shared_qobject_ptr(){}
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shared_qobject_ptr(T * wrap)
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{
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reset(wrap);
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}
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shared_qobject_ptr(const shared_qobject_ptr<T>& other)
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{
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m_ptr = other.m_ptr;
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}
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template<typename Derived>
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shared_qobject_ptr(const shared_qobject_ptr<Derived> &other)
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{
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m_ptr = other.unwrap();
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}
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public:
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void reset(T * wrap)
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{
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using namespace std::placeholders;
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m_ptr.reset(wrap, std::bind(&QObject::deleteLater, _1));
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}
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void reset(const shared_qobject_ptr<T> &other)
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{
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m_ptr = other.m_ptr;
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}
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void reset()
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{
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m_ptr.reset();
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}
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T * get() const
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{
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return m_ptr.get();
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}
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T * operator->() const
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{
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return m_ptr.get();
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}
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T & operator*() const
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{
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return *m_ptr.get();
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}
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operator bool() const
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{
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return m_ptr.get() != nullptr;
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}
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const std::shared_ptr <T> unwrap() const
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{
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return m_ptr;
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}
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private:
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std::shared_ptr <T> m_ptr;
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};
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