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Scxml: Avoid possible nullptr dereference

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Change-Id: Ie70da61f1c4f05d9247eb8b729fadad59b85cc45
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
This commit is contained in:
Tobias Hunger
2016-11-29 14:25:20 +01:00
parent e75f95115f
commit e2fb126509
1 changed files with 4 additions and 5 deletions
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9
src/plugins/scxmleditor/plugin_interface/transitionitem.cpp
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@@ -621,10 +621,8 @@ void TransitionItem::connectToTopItem(const QPointF &pos, TransitionPoint tp, It
} }
} }
if (!parentTag) { if (!parentTag && document)
if (document) parentTag = document->rootTag();
parentTag = document->rootTag();
}
// Connect existing item // Connect existing item
if (targetType == UnknownType) { if (targetType == UnknownType) {
@@ -675,7 +673,8 @@ void TransitionItem::connectToTopItem(const QPointF &pos, TransitionPoint tp, It
if (parentItem) if (parentItem)
parentItem->updateUIProperties(); parentItem->updateUIProperties();
document->addTag(parentTag, newTag); if (document)
document->addTag(parentTag, newTag);
setEndItem(newItem); setEndItem(newItem);
setSelected(false); setSelected(false);