pollymc/launcher/QObjectPtr.h
flow d835e1d14e
refactor: simplify smart pointers more
Signed-off-by: flow <flowlnlnln@gmail.com>
2022-08-05 11:38:46 -03:00

38 lines
1.2 KiB
C++

#pragma once
#include <QObject>
#include <QSharedPointer>
#include <functional>
#include <memory>
/**
* A unique pointer class with unique pointer semantics intended for derivates of QObject
* Calls deleteLater() instead of destroying the contained object immediately
*/
template <typename T>
using unique_qobject_ptr = QScopedPointer<T, QScopedPointerDeleteLater>;
/**
* A shared pointer class with shared pointer semantics intended for derivates of QObject
* Calls deleteLater() instead of destroying the contained object immediately
*/
template <typename T>
class shared_qobject_ptr : public QSharedPointer<T> {
public:
constexpr shared_qobject_ptr() : QSharedPointer<T>() {}
constexpr shared_qobject_ptr(T* ptr) : QSharedPointer<T>(ptr, &QObject::deleteLater) {}
constexpr shared_qobject_ptr(std::nullptr_t null_ptr) : QSharedPointer<T>(null_ptr, &QObject::deleteLater) {}
template <typename Derived>
constexpr shared_qobject_ptr(const shared_qobject_ptr<Derived>& other) : QSharedPointer<T>(other)
{}
void reset() { QSharedPointer<T>::reset(); }
void reset(const shared_qobject_ptr<T>& other)
{
shared_qobject_ptr<T> t(other);
this->swap(t);
}
};