Qt 6.x
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qmilankoviccalendar_p.h
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1// Copyright (C) 2020 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QMILANKOVICCALENDAR_CALENDAR_P_H
5#define QMILANKOVICCALENDAR_CALENDAR_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists for the convenience
12// of calendar implementations. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include "qromancalendar_p.h"
19
21
22class Q_CORE_EXPORT QMilankovicCalendar : public QRomanCalendar
23{
24public:
25 // Calendar properties:
26 QString name() const override;
27 static QStringList nameList();
28 // Date queries:
29 bool isLeapYear(int year) const override;
30 // Julian Day conversions:
31 bool dateToJulianDay(int year, int month, int day, qint64 *jd) const override;
33};
34
36
37#endif // QMILANKOVICCALENDAR_CALENDAR_P_H
virtual bool isLeapYear(int year) const =0
Returns true if the specified year is a leap year for this calendar.
virtual bool dateToJulianDay(int year, int month, int day, qint64 *jd) const =0
Computes the Julian day number corresponding to the specified year, month, and day.
virtual QCalendar::YearMonthDay julianDayToDate(qint64 jd) const =0
Computes the year, month, and day in this calendar for the given Julian day number jd.
virtual QString name() const =0
Returns the primary name of the calendar.
The QMilankovicCalendar class provides Milanković calendar system implementation.
The QRomanCalendar class is a shared base for calendars based on the ancient Roman calendar.
\inmodule QtCore
\macro QT_RESTRICTED_CAST_FROM_ASCII
Definition qstring.h:127
Combined button and popup list for selecting options.
long long qint64
Definition qtypes.h:55