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Code Issues Releases Activity

Make scope gadget check if object exists before using it. Avoids segfaults

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when scoped objects disappear.
This commit is contained in:
James Cotton 2011-08-29 11:37:22 -05:00
parent ae1dd945b1
commit 1de58ebb87
1 changed files with 8 additions and 1 deletions
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9
ground/openpilotgcs/src/plugins/scope/scopegadgetwidget.cpp
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@ -385,8 +385,15 @@ void ScopeGadgetWidget::addCurvePlot(QString uavObject, QString uavFieldSubField
ExtensionSystem::PluginManager *pm = ExtensionSystem::PluginManager::instance();
UAVObjectManager *objManager = pm->getObject<UAVObjectManager>();
UAVDataObject* obj = dynamic_cast<UAVDataObject*>(objManager->getObject((plotData->uavObject)));
if(!obj) {
qDebug() << "Object " << plotData->uavObject << " is missing";
return;
}
UAVObjectField* field = obj->getField(plotData->uavField);
if(!field) {
qDebug() << "Field " << plotData->uavField << " of object " << plotData->uavObject << " is missing";
return;
}
QString units = field->getUnits();
if(units == 0)