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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef TIMEMODEL_H
#define TIMEMODEL_H
#include <QtQml/qqml.h>
#include <QtCore/qdatetime.h>
#include <QtCore/qbasictimer.h>
#include <QtCore/qcoreapplication.h>
// Implements a "TimeModel" class with hour and minute properties
// that change on-the-minute yet efficiently sleep the rest
// of the time.
class MinuteTimer : public QObject
{
Q_OBJECT
public:
MinuteTimer(QObject *parent) : QObject(parent) {}
void start();
void stop();
int hour() const { return time.hour(); }
int minute() const { return time.minute(); }
signals:
void timeChanged();
protected:
void timerEvent(QTimerEvent *) override;
private:
QTime time;
QBasicTimer timer;
};
//![0]
class TimeModel : public QObject
{
Q_OBJECT
Q_PROPERTY(int hour READ hour NOTIFY timeChanged)
Q_PROPERTY(int minute READ minute NOTIFY timeChanged)
QML_NAMED_ELEMENT(Time)
//![0]
public:
TimeModel(QObject *parent=nullptr);
~TimeModel() override;
int minute() const { return timer->minute(); }
int hour() const { return timer->hour(); }
signals:
void timeChanged();
private:
QTime t;
static MinuteTimer *timer;
static int instances;
};
#endif // TIMEMODEL_H
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