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// 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
#ifndef QCHRONOTIMER_H
#define QCHRONOTIMER_H
#ifndef QT_NO_QOBJECT
#include <QtCore/qcoreevent.h>
#include <QtCore/qnamespace.h>
#include <QtCore/qobject.h>
#include <QtCore/qproperty.h>
#include <QtCore/qtimer.h>
#include <chrono>
QT_BEGIN_NAMESPACE
class QTimerPrivate;
class Q_CORE_EXPORT QChronoTimer : public QObject
{
Q_OBJECT
Q_PROPERTY(bool singleShot READ isSingleShot WRITE setSingleShot
BINDABLE bindableSingleShot FINAL)
Q_PROPERTY(std::chrono::nanoseconds interval READ interval WRITE setInterval
BINDABLE bindableInterval FINAL)
Q_PROPERTY(std::chrono::nanoseconds remainingTime READ remainingTime FINAL)
Q_PROPERTY(Qt::TimerType timerType READ timerType WRITE setTimerType
BINDABLE bindableTimerType FINAL)
Q_PROPERTY(bool active READ isActive STORED false BINDABLE bindableActive FINAL)
template <typename Functor>
using FunctorContext = typename QtPrivate::ContextTypeForFunctor<Functor>::ContextType;
public:
explicit QChronoTimer(std::chrono::nanoseconds nsec, QObject *parent = nullptr);
explicit QChronoTimer(QObject *parent = nullptr);
~QChronoTimer() override;
bool isActive() const;
QBindable<bool> bindableActive();
Qt::TimerId id() const;
void setInterval(std::chrono::nanoseconds nsec);
std::chrono::nanoseconds interval() const;
QBindable<std::chrono::nanoseconds> bindableInterval();
std::chrono::nanoseconds remainingTime() const;
void setTimerType(Qt::TimerType atype);
Qt::TimerType timerType() const;
QBindable<Qt::TimerType> bindableTimerType();
void setSingleShot(bool singleShot);
bool isSingleShot() const;
QBindable<bool> bindableSingleShot();
#ifdef Q_QDOC
template <typename Functor>
QMetaObject::Connection callOnTimeout(const QObject *context, Functor &&slot,
Qt::ConnectionType connectionType = Qt::AutoConnection);
#else
template <typename ... Args>
QMetaObject::Connection callOnTimeout(Args && ...args)
{
return QObject::connect(this, &QChronoTimer::timeout, std::forward<Args>(args)... );
}
#endif
public Q_SLOTS:
void start();
void stop();
Q_SIGNALS:
void timeout(QPrivateSignal);
protected:
void timerEvent(QTimerEvent *) override;
private:
Q_DISABLE_COPY(QChronoTimer)
// QChronoTimer uses QTimerPrivate
inline QTimerPrivate *d_func() noexcept
{ Q_CAST_IGNORE_ALIGN(return reinterpret_cast<QTimerPrivate *>(qGetPtrHelper(d_ptr));) }
inline const QTimerPrivate *d_func() const noexcept
{ Q_CAST_IGNORE_ALIGN(return reinterpret_cast<const QTimerPrivate *>(qGetPtrHelper(d_ptr));) }
// These two functions are inherited from QObject
int startTimer(std::chrono::nanoseconds) = delete;
void killTimer(int) = delete;
};
QT_END_NAMESPACE
#endif // QT_NO_QOBJECT
#endif // QCHRONOTIMER_H
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