diff options
| -rw-r--r-- | src/controls/Private/qquicktreemodeladaptor.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/controls/Private/qquicktreemodeladaptor.cpp b/src/controls/Private/qquicktreemodeladaptor.cpp index d2ed42b2..287b388f 100644 --- a/src/controls/Private/qquicktreemodeladaptor.cpp +++ b/src/controls/Private/qquicktreemodeladaptor.cpp @@ -362,8 +362,15 @@ void QQuickTreeModelAdaptor1::showModelChildItems(const TreeItem &parentItem, in if (start == 0) { startIdx = rowIdx; } else { - const QModelIndex &prevSiblingIdx = m_model->index(start - 1, 0, parentIndex); - startIdx = lastChildIndex(prevSiblingIdx) + 1; + // Prefer to insert before next sibling instead of after last child of previous, as + // the latter is potentially buggy, see QTBUG-66062 + const QModelIndex &nextSiblingIdx = m_model->index(end + 1, 0, parentIndex); + if (nextSiblingIdx.isValid()) { + startIdx = itemIndex(nextSiblingIdx); + } else { + const QModelIndex &prevSiblingIdx = m_model->index(start - 1, 0, parentIndex); + startIdx = lastChildIndex(prevSiblingIdx) + 1; + } } int rowDepth = rowIdx == 0 ? 0 : parentItem.depth + 1; |