1 files changed, 13 insertions, 2 deletions
diff --git a/vcl/unx/gtk3/gtk3gtkinst.cxx b/vcl/unx/gtk3/gtk3gtkinst.cxx
index 5230dcf92a88..8a15f98530d7 100644
--- a/vcl/unx/gtk3/gtk3gtkinst.cxx
+++ b/vcl/unx/gtk3/gtk3gtkinst.cxx
@@ -14551,14 +14551,25 @@ public:
     virtual void insert_vector(const std::vector<weld::ComboBoxEntry>& rItems, bool bKeepExisting) override
     {
         freeze();
+
+        int nInsertionPoint;
         if (!bKeepExisting)
+        {
             clear();
+            nInsertionPoint = 0;
+        }
+        else
+            nInsertionPoint = get_count();
+
         GtkTreeIter iter;
-        for (const auto& rItem : rItems)
+        // tdf#125241 inserting backwards is faster
+        for (auto aI = rItems.rbegin(); aI != rItems.rend(); ++aI)
         {
-            insert_row(GTK_LIST_STORE(m_pTreeModel), iter, -1, rItem.sId.isEmpty() ? nullptr : &rItem.sId,
+            const auto& rItem = *aI;
+            insert_row(GTK_LIST_STORE(m_pTreeModel), iter, nInsertionPoint, rItem.sId.isEmpty() ? nullptr : &rItem.sId,
                        rItem.sString, rItem.sImage.isEmpty() ? nullptr : &rItem.sImage, nullptr);
         }
+
         thaw();
     }