diff options
Diffstat (limited to 'src/gui/widgets/qdatetimeedit.cpp')
| -rw-r--r-- | src/gui/widgets/qdatetimeedit.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/gui/widgets/qdatetimeedit.cpp b/src/gui/widgets/qdatetimeedit.cpp index 61ae21e..3284389 100644 --- a/src/gui/widgets/qdatetimeedit.cpp +++ b/src/gui/widgets/qdatetimeedit.cpp @@ -890,7 +890,13 @@ void QDateTimeEdit::setDisplayFormat(const QString &format) const bool dateShown = (d->sections & DateSections_Mask); Q_ASSERT(dateShown || timeShown); if (timeShown && !dateShown) { + QTime time = d->value.toTime(); setDateRange(d->value.toDate(), d->value.toDate()); + if (d->minimum.toTime() >= d->maximum.toTime()) { + setTimeRange(QDATETIMEEDIT_TIME_MIN, QDATETIMEEDIT_TIME_MAX); + // if the time range became invalid during the adjustment, the time would have been reset + setTime(time); + } } else if (dateShown && !timeShown) { setTimeRange(QDATETIMEEDIT_TIME_MIN, QDATETIMEEDIT_TIME_MAX); d->value = QDateTime(d->value.toDate(), QTime(), d->spec); @@ -1654,6 +1660,15 @@ void QDateTimeEditPrivate::updateTimeSpec() minimum = minimum.toDateTime().toTimeSpec(spec); maximum = maximum.toDateTime().toTimeSpec(spec); value = value.toDateTime().toTimeSpec(spec); + + // time zone changes can lead to 00:00:00 becomes 01:00:00 and 23:59:59 becomes 00:59:59 (invalid range) + const bool dateShown = (sections & QDateTimeEdit::DateSections_Mask); + if (!dateShown) { + if (minimum.toTime() >= maximum.toTime()){ + minimum = QDateTime(value.toDate(), QDATETIMEEDIT_TIME_MIN, spec); + maximum = QDateTime(value.toDate(), QDATETIMEEDIT_TIME_MAX, spec); + } + } } void QDateTimeEditPrivate::updateEdit() |