1 files changed, 8 insertions, 0 deletions
diff --git a/src/widgets/itemviews/qlistview_p.h b/src/widgets/itemviews/qlistview_p.h
index c94357afe9..c6810f8fdc 100644
--- a/src/widgets/itemviews/qlistview_p.h
+++ b/src/widgets/itemviews/qlistview_p.h
@@ -394,6 +394,14 @@ public:
         QModelIndex idx = model->index(row, 0, root);
         return isPersistent(idx) && hiddenRows.contains(idx);
     }
+    // helper to avoid checking for isPersistent and creating persistent indexes as above in isHidden
+    QVector<int> hiddenRowIds() const {
+        QVector<int> rowIds;
+        rowIds.reserve(hiddenRows.size());
+        for (const auto &idx : hiddenRows)
+            rowIds += idx.row();
+        return rowIds;
+    }
     inline bool isHiddenOrDisabled(int row) const { return isHidden(row) || !isIndexEnabled(modelIndex(row)); }
 
     void removeCurrentAndDisabled(QVector<QModelIndex> *indexes, const QModelIndex &current) const;