path: root/src/corelib/kernel/qwinregistry_p.h

// Copyright (C) 2019 The Qt Company Ltd.// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only#ifndef QWINREGISTRY_H#define QWINREGISTRY_H//// W A R N I N G// -------------//// This file is not part of the Qt API. It exists purely as an// implementation detail. This header file may change from version to// version without notice, or even be removed.//// We mean it.//#include <QtCore/qpair.h>#include <QtCore/qstring.h>#include <QtCore/qstringview.h>#include <QtCore/qt_windows.h>#include <QtCore/qvariant.h>#include <QtCore/qobject.h>#include <QtCore/qmetaobject.h>#include <QtCore/private/quniquehandle_types_p.h> QT_BEGIN_NAMESPACE class Q_CORE_EXPORT QWinRegistryKey :public QObject {Q_DISABLE_COPY(QWinRegistryKey) Q_OBJECT public:QWinRegistryKey(QObject *parent =nullptr);explicitQWinRegistryKey(HKEY parentHandle, QStringView subKey, REGSAM permissions = KEY_READ, REGSAM access =0, QObject *parent =nullptr);~QWinRegistryKey();QWinRegistryKey(QWinRegistryKey &&other) noexcept :m_key(std::exchange(other.m_key,nullptr)) {}QT_MOVE_ASSIGNMENT_OPERATOR_IMPL_VIA_MOVE_AND_SWAP(QWinRegistryKey)voidswap(QWinRegistryKey &other) noexcept {qSwap(m_key, other.m_key); }[[nodiscard]]boolisValid()const{return m_key !=nullptr; }[[nodiscard]] HKEY handle()const{return m_key; }operatorHKEY()const{returnhandle(); }voidclose(); QString name()const;[[nodiscard]] QVariant value(QStringView subKey)const;template<typename T>[[nodiscard]]std::optional<T>value(QStringView subKey)const{const QVariant var =value(subKey);if(var.isValid())return qvariant_cast<T>(var);returnstd::nullopt;} QString stringValue(QStringView subKey)const;#ifndef QT_NO_DEBUG_STREAMfriend Q_CORE_EXPORT QDebug operator<<(QDebug dbg,const QWinRegistryKey &);#endif Q_SIGNALS:voidvalueChanged();protected:voidconnectNotify(const QMetaMethod &signal) override;private: HKEY m_key =nullptr; QUniqueWin32NullHandle m_keyChangedEvent;}; QT_END_NAMESPACE #endif// QWINREGISTRY_H