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Merge PR #206: Fix a crash when a graphview is updated with the very first value

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This commit is contained in:
Jenkins 2019-06-19 01:10:14 +02:00
commit 2bec98ab7c
1 changed files with 5 additions and 3 deletions
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8
libnymea-app-core/models/logsmodelng.cpp
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@ -396,9 +396,11 @@ void LogsModelNg::newLogEntryReceived(const QVariantMap &data)
m_graphSeries->removePoints(0, 2); m_graphSeries->removePoints(0, 2);
} }
// Prevent triangles, add a point right before the new one which reflects the old value // Prevent triangles, add a point right before the new one which reflects the old value (if there is one)
qreal previousValue = m_graphSeries->points().at(0).y(); if (m_graphSeries->points().count() > 0) {
m_graphSeries->insert(0, QPointF(entry->timestamp().addMSecs(-1).toMSecsSinceEpoch(), previousValue)); qreal previousValue = m_graphSeries->points().at(0).y();
m_graphSeries->insert(0, QPointF(entry->timestamp().addMSecs(-1).toMSecsSinceEpoch(), previousValue));
}
// Add the actual value // Add the actual value
m_graphSeries->insert(0, QPointF(entry->timestamp().toMSecsSinceEpoch(), entry->value().toBool() ? 1 : 0)); m_graphSeries->insert(0, QPointF(entry->timestamp().toMSecsSinceEpoch(), entry->value().toBool() ? 1 : 0));