| 1 | // Copyright (C) 2022 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QLOCALTIME_P_H |
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| 5 | #define QLOCALTIME_P_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an implementation |
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| 12 | // detail. This header file may change from version to version without notice, |
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| 13 | // or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <QtCore/private/qglobal_p.h> |
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| 19 | #include <QtCore/private/qdatetime_p.h> |
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| 20 | |
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| 21 | QT_BEGIN_NAMESPACE |
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| 22 | |
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| 23 | // Packaging system time_t functions |
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| 24 | namespace QLocalTime { |
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| 25 | #ifndef QT_BOOTSTRAPPED |
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| 26 | // Support for V4's Date implelenentation. |
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| 27 | // Each returns offset from UTC in seconds (or 0 if unknown). |
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| 28 | // V4 shall need to multiply by 1000. |
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| 29 | // Offset is -ve East of Greenwich, +ve west of Greenwich. |
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| 30 | // Add it to UTC seconds since epoch to get local seconds since nominal local epoch. |
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| 31 | Q_CORE_EXPORT int getCurrentStandardUtcOffset(); |
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| 32 | Q_CORE_EXPORT int getUtcOffset(qint64 atMSecsSinceEpoch); |
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| 33 | #endif // QT_BOOTSTRAPPED |
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| 34 | |
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| 35 | // Support for QDateTime |
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| 36 | QDateTimePrivate::ZoneState utcToLocal(qint64 utcMillis); |
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| 37 | QString localTimeAbbbreviationAt(qint64 local, QDateTimePrivate::DaylightStatus dst); |
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| 38 | QDateTimePrivate::ZoneState mapLocalTime(qint64 local, QDateTimePrivate::DaylightStatus dst); |
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| 39 | |
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| 40 | struct SystemMillisRange { qint64 min, max; bool minClip, maxClip; }; |
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| 41 | SystemMillisRange computeSystemMillisRange(); |
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| 42 | } |
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| 43 | |
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| 44 | QT_END_NAMESPACE |
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| 45 | |
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| 46 | #endif // QLOCALTIME_P_H |
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| 47 | |
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