Improve handling of filtered items when folders are deleted/collapsed

If an expanded folder with filtered children is collapsed or removed,
and the parent-child relationship cannot be determined by parsing the
URLs, this patch makes sure that the filtered children do not reappear
when the filter bar is cleared.

REVIEW: 109455

1 files changed, 6 insertions, 0 deletions

diff --git a/src/kitemviews/kfileitemmodel.h b/src/kitemviews/kfileitemmodel.h
index 85a8d0c0d..1d837cb2a 100644
--- a/src/kitemviews/kfileitemmodel.h
+++ b/src/kitemviews/kfileitemmodel.h
@@ -397,6 +397,12 @@ private:
     void applyFilters();
 
     /**
+     * Removes filtered items whose expanded parents have been deleted
+     * or collapsed via setExpanded(parentIndex, false).
+     */
+    void removeFilteredChildren(const KFileItemList& parentsList);
+
+    /**
      * Maps the QByteArray-roles to RoleTypes and provides translation- and
      * group-contexts.
      */