Toponaming: Check for selection mapped element name

src/Gui/SoFCUnifiedSelection.cpp

@@ -401,7 +401,8 @@ void SoFCUnifiedSelection::doAction(SoAction *action)
 #ifdef FC_USE_TNP_FIX
                 std::pair<std::string, std::string> elementName;
                 App::GeoFeature::resolveElement(obj, subName, elementName);
-                if (!elementName.second.empty()) {         // If we have a shortened element name
+                if (Data::isMappedElement(subName)
+                    && !elementName.second.empty()) {      // If we have a shortened element name
                     subName = elementName.second.c_str();  // use it.
                 }
 #endif

src/Gui/View3DInventorSelection.cpp

@@ -117,7 +117,8 @@ void View3DInventorSelection::checkGroupOnTop(const SelectionChanges &Reason)
 #ifdef FC_USE_TNP_FIX
     std::pair<std::string, std::string> element;
     App::GeoFeature::resolveElement(obj, Reason.pSubName, element);
-    if (!element.second.empty()) {         // If we have a shortened element name
+    if (Data::isMappedElement(subname)
+        && !element.second.empty()) {      // If we have a shortened element name
         subname = element.second.c_str();  // use if
     }
 #endif

src/Mod/PartDesign/PartDesignTests/TestTopologicalNamingProblem.py

@@ -120,13 +120,13 @@ class TestTopologicalNamingProblem(unittest.TestCase):
         if body.Shape.ElementMapVersion == "":  # Should be '4' as of Mar 2023.
             return
         reverseMap = sketch.Shape.ElementReverseMap
-        faces = [name for name in reverseMap.keys() if name.startswith("Face")]
+        reverseFaces = [name for name in reverseMap.keys() if name.startswith("Face")]
         edges = [name for name in reverseMap.keys() if name.startswith("Edge")]
         vertexes = [name for name in reverseMap.keys() if name.startswith("Vertex")]
         # Assert
-        self.assertEqual(sketch.Shape.ElementMapSize,9)
-        self.assertEqual(len(reverseMap),9)
-        self.assertEqual(len(faces),1)
+        self.assertEqual(sketch.Shape.ElementMapSize,12)
+        self.assertEqual(len(reverseMap),8)
+        self.assertEqual(len(reverseFaces),0)
         self.assertEqual(len(edges),4)
         self.assertEqual(len(vertexes),4)
 
@@ -969,7 +969,7 @@ class TestTopologicalNamingProblem(unittest.TestCase):
         self.assertEqual(self.Body.Shape.BoundBox.XMax,31.37)
         self.assertAlmostEqual(self.Body.Shape.BoundBox.YMax,25.2)
         self.assertEqual(self.Body.Shape.BoundBox.ZMax,20)
-        self.assertNotEquals(area1, area2)
+        self.assertNotEqual(area1, area2)
 
     def testShapeBinder(self):
         doc = self.Doc
@@ -1442,6 +1442,27 @@ class TestTopologicalNamingProblem(unittest.TestCase):
         self.assertAlmostEqual(volume3, boxVolume - 3 * filletVolume - cutVolume, 4)
         self.assertAlmostEqual(volume4, boxVolume - 2 * filletVolume - cutVolume, 4)
 
+    def testSubelementNames(self):
+        # Arrange
+        doc = App.ActiveDocument
+        plane = doc.addObject("Part::Plane", "Plane")
+        plane.Length = 10
+        plane.Width = 10
+        extrude = doc.addObject("Part::Extrusion", "Extrude")
+        extrude.Base = plane
+        extrude.LengthFwd = 10
+        doc.recompute()
+        if not App.GuiUp:
+            return
+        # Act
+        App.Gui.Selection.addSelection("", extrude.Name, "Face2")
+        # Assert
+        self.assertEqual(len(App.Gui.Selection.getSelectionEx("", 0)[0].SubElementNames),1)
+        if extrude.ElementMapVersion == "":  # Should be '4' as of Mar 2023.
+            self.assertEqual(App.Gui.Selection.getSelectionEx("", 0)[0].SubElementNames[0],"Face2")
+        else:
+            self.assertEqual(App.Gui.Selection.getSelectionEx("", 0)[0].SubElementNames[0][-8:],",F.Face2")
+
     def create_t_sketch(self):
         self.Doc.getObject('Body').newObject('Sketcher::SketchObject', 'Sketch')
         geo_list = [