quickshell/src/core/elapsedtimer.hpp

45 lines
1.3 KiB
C++

#pragma once
#include <qelapsedtimer.h>
#include <qobject.h>
#include <qqmlintegration.h>
#include <qtmetamacros.h>
#include <qtypes.h>
///! Measures time between events
/// The ElapsedTimer measures time since its last restart, and is useful
/// for determining the time between events that don't supply it.
class ElapsedTimer: public QObject {
Q_OBJECT;
QML_ELEMENT;
public:
explicit ElapsedTimer();
/// Return the number of seconds since the timer was last
/// started or restarted, with nanosecond precision.
Q_INVOKABLE qreal elapsed();
/// Restart the timer, returning the number of seconds since
/// the timer was last started or restarted, with nanosecond precision.
Q_INVOKABLE qreal restart();
/// Return the number of milliseconds since the timer was last
/// started or restarted.
Q_INVOKABLE qint64 elapsedMs();
/// Restart the timer, returning the number of milliseconds since
/// the timer was last started or restarted.
Q_INVOKABLE qint64 restartMs();
/// Return the number of nanoseconds since the timer was last
/// started or restarted.
Q_INVOKABLE qint64 elapsedNs();
/// Restart the timer, returning the number of nanoseconds since
/// the timer was last started or restarted.
Q_INVOKABLE qint64 restartNs();
private:
QElapsedTimer timer;
};