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| author | Mike Krus <mike.krus@kdab.com> | 2020-03-30 17:52:19 +0100 |
|---|---|---|
| committer | Mike Krus <mike.krus@kdab.com> | 2020-04-08 07:35:35 +0000 |
| commit | 4c58d1a7a87e09e9bba47e232113afcbad8f2b81 (patch) | |
| tree | 14763d8823efa67d22bc0e4999ee3dd9aff32458 | |
| parent | d62b1621e9fc3308193dc7be7c14b5e74997f14c (diff) | |
Don't look up backend node if frontend not updated yet
If node parent / child or entity / component changes before the backend
nodes where created, records might not be complete yet.
Task-number: QTBUG-82269
Change-Id: Id8238410331626130bb71bb1653ac5cb5d5270d4
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
| -rw-r--r-- | src/core/aspects/qabstractaspect.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/core/aspects/qabstractaspect.cpp b/src/core/aspects/qabstractaspect.cpp index 6e0d3bd02..f7248f180 100644 --- a/src/core/aspects/qabstractaspect.cpp +++ b/src/core/aspects/qabstractaspect.cpp @@ -247,6 +247,8 @@ void QAbstractAspectPrivate::syncDirtyFrontEndSubNodes(const QVector<NodeRelatio for (const auto &nodeChange: qAsConst(nodes)) { auto getBackend = [this](QNode *node) -> std::tuple<QBackendNode *, bool> { const QMetaObject *metaObj = QNodePrivate::get(node)->m_typeInfo; + if (!metaObj) + return {}; const BackendNodeMapperAndInfo backendNodeMapperInfo = mapperForNode(metaObj); const QBackendNodeMapperPtr backendNodeMapper = backendNodeMapperInfo.first; |