f071d4ee8a
This example demonstrates how to write a calendar backend plugin using a low-level API for extending Qt applications. Fixes: QTBUG-115200 Change-Id: If0b7f2552ba8c2203acdcbff238fb0ffa7cfca55 Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
30 lines
1.0 KiB
C++
30 lines
1.0 KiB
C++
// Copyright (C) 2024 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#ifndef CALENDARBACKEND_H
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#define CALENDARBACKEND_H
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#include "private/qromancalendar_p.h"
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#include "qdatetime.h"
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#include <QtCore/private/qcalendarbackend_p.h>
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//![0]
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class JulianGregorianCalendar : public QRomanCalendar
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{
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public:
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JulianGregorianCalendar(QDate endJulian, QAnyStringView name);
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QString name() const override;
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int daysInMonth(int month, int year = QCalendar::Unspecified) const override;
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bool isLeapYear(int year) const override;
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bool dateToJulianDay(int year, int month, int day, qint64 *jd) const override;
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QCalendar::YearMonthDay julianDayToDate(qint64 jd) const override;
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private:
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static inline const QCalendar julian = QCalendar(QCalendar::System::Julian);
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static inline const QCalendar gregorian = QCalendar(QCalendar::System::Gregorian);
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QCalendar::YearMonthDay m_julianUntil;
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QCalendar::YearMonthDay m_gregorianSince;
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QString m_name;
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};
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//![0]
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#endif // CALENDARBACKEND_H
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