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#pragma once
#include <QDateTime>
#include <QObject>
#include <QTimer>
#include <qqmlintegration.h>
#include <chrono>
class Chrono : public QObject {
Q_OBJECT;
Q_PROPERTY(bool enabled READ enabled WRITE setEnabled NOTIFY enabledChanged);
Q_PROPERTY(Chrono::Precision precision READ precision WRITE setPrecision NOTIFY precisionChanged);
Q_PROPERTY(QDateTime date READ date NOTIFY dateChanged)
QML_ELEMENT;
public:
enum Precision : quint8 {
Hours = 1,
Minutes = 2,
Seconds = 3,
};
Q_ENUM(Precision);
explicit Chrono(QObject* parent = nullptr);
bool enabled() const;
void setEnabled(bool enabled);
Chrono::Precision precision() const;
void setPrecision(Chrono::Precision precision);
Q_INVOKABLE QString format(const QString& fmt) const;
QDateTime date() const;
signals:
void enabledChanged();
void precisionChanged();
void dateChanged();
private slots:
void onTimeout();
private:
bool mEnabled = true;
Chrono::Precision mPrecision = Chrono::Seconds;
QTimer timer;
std::chrono::time_point<std::chrono::system_clock> currentTime, targetTime;
void update();
void setTime(const std::chrono::time_point<std::chrono::system_clock>& targetTime);
void schedule(const std::chrono::time_point<std::chrono::system_clock>& targetTime);
};
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