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  1. Qt
  2. QTBUG-80441 Remove all locale-awareness from Q(Date|Time)+
  3. QTBUG-81631

Purge Qt Declarative's use of QDateTime's locale-dependent APIs

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    Details

    • Platform/s:
      All
    • Sprint:
      Qt6_Foundation_ Sprint 2, Qt6_Foundation_ Sprint 3, Qt6_Foundation_ Sprint 4, Qt6_Foundation_ Sprint 5, Qt6_Foundation_ Sprint 6, Qt6_Foundation_ Sprint 7, Qt6_Foundation_ Sprint 8
    • Commits:
      c5f78add12b7d33926631b6df79599df18f65068 (qt/qtdeclarative/5.15)

      Description

      QDateTime shall drop its support for locale-dependence and produce pure C-locale results at Qt 6 (see QTBUG-80441). All locale-dependence in date-time APIs should, thereafter, be mediated by use of QLocale, to which QDateTime has long delegated these conversions.
      As part of this I plan to deprecate the locale-specific enum members in Qt::DateFormat; at the very least, the QDateTime APIs shall stop supporting them.

      Unfortunately, Qt Declarative has its own uses of Qt::DateFormat, e.g. qtdeclarative/src/qml/qml/v8/qqmlbuiltinfunctions.cpp defines QtObject::method_formatDateTime() and related formatDate(), formatTime() methods; these interpret a format argument as Qt::DateFormat, which they then forward to QDateTime::toString().
      They shall, at the very least, need to replace this last call with a switch on Qt::DateFormat, that calls QLocale::toString() for the locale-dependent formats, or QDateTime::toString() for the others.

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            Assignee:
            fabiankosmale Fabian Kosmale
            Reporter:
            Eddy Edward Welbourne
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