From b44d75454f28a7daf08ffd4e2c700e7665df633f Mon Sep 17 00:00:00 2001
From: tetektoza <tetektoza@gmail.com>
Date: Fri, 26 Dec 2025 13:48:51 +0100
Subject: [PATCH] Gui: Respect parent container selectability in nested
 selections

---
 src/Gui/Selection/SoFCUnifiedSelection.cpp | 29 ++++++++++++++--------
 1 file changed, 18 insertions(+), 11 deletions(-)

diff --git a/src/Gui/Selection/SoFCUnifiedSelection.cpp b/src/Gui/Selection/SoFCUnifiedSelection.cpp
index c851341d9f..b225d8025d 100644
--- a/src/Gui/Selection/SoFCUnifiedSelection.cpp
+++ b/src/Gui/Selection/SoFCUnifiedSelection.cpp
@@ -454,25 +454,32 @@ void SoFCUnifiedSelection::doAction(SoAction* action)
             // selection changes inside the 3d view are handled in handleEvent()
             App::Document* doc = App::GetApplication().getDocument(selectionAction->SelChange.pDocName);
             App::DocumentObject* obj = doc->getObject(selectionAction->SelChange.pObjectName);
-            ViewProvider*vp = Application::Instance->getViewProvider(obj);
-            
-            // check if the actual subobject being selected is selectable
+            ViewProvider* vp = Application::Instance->getViewProvider(obj);
+
+            // check if the subobject and all its parent containers are selectable
             bool isSelectable = false;
             if (vp) {
                 if (selectionAction->SelChange.pSubName && selectionAction->SelChange.pSubName[0]) {
-                    if (auto subObj = obj->getSubObject(selectionAction->SelChange.pSubName)) {
-                        auto subVp = Application::Instance->getViewProvider(subObj);
-                        isSelectable = subVp ? subVp->isSelectable() : false;
-                    } else {
-                        isSelectable = vp->isSelectable();
+                    // get the entire object hierarchy from root to leaf
+                    auto objList = obj->getSubObjectList(selectionAction->SelChange.pSubName);
+
+                    isSelectable = true;
+                    for (auto* checkObj : objList) {
+                        if (auto checkVp = Application::Instance->getViewProvider(checkObj)) {
+                            if (!checkVp->isSelectable()) {
+                                isSelectable = false;
+                                break;
+                            }
+                        }
                     }
-                } else {
+                }
+                else {
                     isSelectable = vp->isSelectable();
                 }
             }
-            
+
             if (vp && (useNewSelection.getValue() || vp->useNewSelectionModel()) && isSelectable) {
-                SoDetail *detail = nullptr;
+                SoDetail* detail = nullptr;
                 detailPath->truncate(0);
                 auto subName = selectionAction->SelChange.pSubName;
                 App::ElementNamePair elementName;