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don't do an immediate call if the data set is empty. this _shouldn't_ break anything (worst case is that a visualization would be expecting notification of an empty data set, and now it'll have to wait) and should line up with widget writer's expectations better (it's probably the #1 thing we get feedback on when it comes to dataengine usage)

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svn path=/trunk/KDE/kdelibs/; revision=1013572
This commit is contained in:
Aaron J. Seigo 2009-08-20 09:34:36 +00:00
parent e2e97757ca
commit 4d8abe97b0
1 changed files with 2 additions and 1 deletions
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3
dataengine.cpp
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@ -603,7 +603,8 @@ void DataEnginePrivate::connectSource(DataContainer *s, QObject *visualization,
// we don't want to do an immediate call if we are simply
// reconnecting
//kDebug() << "immediate call requested, we have:" << s->visualizationIsConnected(visualization);
immediateCall = !s->visualizationIsConnected(visualization);
immediateCall = !s->data().isEmpty() &&
!s->visualizationIsConnected(visualization);
}
s->connectVisualization(visualization, pollingInterval, align);