Revision control
++ // Copyright (C) 2016 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
++ // Qt-Security score:significant reason:default
++
++ #ifndef QSOCKETNOTIFIER_H
++ #define QSOCKETNOTIFIER_H
++
++ #include <QtCore/qobject.h>
++
++ QT_BEGIN_NAMESPACE
++
++ class QSocketDescriptor;
++ class QSocketNotifierPrivate;
++ class Q_CORE_EXPORT QSocketNotifier : public QObject
++ {
++ Q_OBJECT
++ Q_DECLARE_PRIVATE(QSocketNotifier)
++
++ public:
++ enum Type { Read, Write, Exception };
++
++ explicit QSocketNotifier(Type, QObject *parent = nullptr);
++ QSocketNotifier(qintptr socket, Type, QObject *parent = nullptr);
++ ~QSocketNotifier();
++
++ void setSocket(qintptr socket);
++ qintptr socket() const;
++ Type type() const;
++
++ bool isValid() const;
++ bool isEnabled() const;
++
++ public Q_SLOTS:
++ void setEnabled(bool);
++
++ Q_SIGNALS:
++ #if defined(Q_MOC_RUN)
++ // Add default arguments during Q_MOC_RUN which makes moc generate "signals" which takes less
++ // parameters, but we won't actually allow emitting without all 3. This lets users use the
++ // string-based connect without specifying QSocketNotifier::Type as one of the parameters.
++ void activated(QSocketDescriptor socket, QSocketNotifier::Type activationEvent = Read,
++ QPrivateSignal = {});
++ #else
++ void activated(QSocketDescriptor socket, QSocketNotifier::Type activationEvent, QPrivateSignal);
++ #endif
++
++ // ### Qt7: consider removing it.
++ // The old signal is compiled internally, but hidden outside of this class.
++ // This means the PMF-based connect(..) will automatically, on recompile, pick up the new
++ // version while the old-style connect(..) can query the metaobject system for this version.
++ #if defined(Q_MOC_RUN) || defined(BUILDING_QSOCKETNOTIFIER) || defined(Q_QDOC)
++ QT_MOC_COMPAT void activated(int socket, QPrivateSignal);
++ #endif
++
++ protected:
++ bool event(QEvent *) override;
++
++ private:
++ Q_DISABLE_COPY(QSocketNotifier)
++ };
++
++ class QSocketDescriptor
++ {
++ public:
++ #if defined(Q_OS_WIN) || defined(Q_QDOC)
++ using DescriptorType = Qt::HANDLE;
++ #define Q_DECL_CONSTEXPR_NOT_WIN
++ #else
++ using DescriptorType = int;
++ #define Q_DECL_CONSTEXPR_NOT_WIN Q_DECL_CONSTEXPR
++ #endif
++
++ Q_DECL_CONSTEXPR_NOT_WIN Q_IMPLICIT
++ QSocketDescriptor(DescriptorType descriptor = DescriptorType(-1)) noexcept : sockfd(descriptor)
++ {
++ }
++
++ #if defined(Q_OS_WIN) || defined(Q_QDOC)
++ Q_IMPLICIT QSocketDescriptor(qintptr desc) noexcept : sockfd(DescriptorType(desc)) {}
++ Q_IMPLICIT operator qintptr() const noexcept { return qintptr(sockfd); }
++ Q_DECL_CONSTEXPR Qt::HANDLE winHandle() const noexcept { return sockfd; }
++ #endif
++ Q_DECL_CONSTEXPR operator DescriptorType() const noexcept { return sockfd; }
++
++ Q_DECL_CONSTEXPR_NOT_WIN bool isValid() const noexcept { return *this != QSocketDescriptor(); }
++
++ private:
++ friend Q_DECL_CONSTEXPR_NOT_WIN bool comparesEqual(const QSocketDescriptor &lhs,
++ const QSocketDescriptor &rhs) noexcept
++ {
++ return lhs.sockfd == rhs.sockfd;
++ }
++ #if defined(Q_OS_WIN) || defined(Q_QDOC)
++ Q_DECLARE_EQUALITY_COMPARABLE(QSocketDescriptor)
++ #else
++ Q_DECLARE_EQUALITY_COMPARABLE_LITERAL_TYPE(QSocketDescriptor)
++ #endif
++
++ #undef Q_DECL_CONSTEXPR_NOT_WIN
++
++ DescriptorType sockfd;
++ };
++
++ QT_END_NAMESPACE
++
++ QT_DECL_METATYPE_EXTERN_TAGGED(QSocketNotifier::Type, QSocketNotifier_Type, Q_CORE_EXPORT)
++ QT_DECL_METATYPE_EXTERN(QSocketDescriptor, Q_CORE_EXPORT)
++
++ #endif // QSOCKETNOTIFIER_H