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Use UTC when converting to QDateTime for graph axis

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QDateTime::fromMSecsSinceEpoch returns a QDateTime in the local time zone, but the ms input was created in UTC.  This causes the day part to sometimes display off by a day on the graph x axis.  This appears to be caused by a breaking change in QT 5.  Previously, fromMSecsSinceEpoch returned a QDateTime in UTC, but in QT 5, it returns the date time in the local time zone.
This commit is contained in:
reznet 2015-08-11 13:12:43 -05:00
parent b5e92c9c49
commit b0bc8af718
1 changed files with 4 additions and 2 deletions
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6
sleepyhead/Graphs/gXAxis.cpp
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@ -397,8 +397,10 @@ void gXAxisDay::paint(QPainter &painter, gGraph &graph, const QRegion &region)
minx = graph.min_x;
maxx = graph.max_x;
QDateTime date2 = QDateTime::fromMSecsSinceEpoch(minx);
QDateTime enddate2 = QDateTime::fromMSecsSinceEpoch(maxx);
QDateTime date2 = QDateTime::fromMSecsSinceEpoch(minx, Qt::UTC);
QDateTime enddate2 = QDateTime::fromMSecsSinceEpoch(maxx, Qt::UTC);
qInfo() << "Drawing date axis from " << date2 << " to " << enddate2;
QDate date = date2.date();
// QDate enddate = enddate2.date();