rename catalog, resolve autos

GUI/Model/Descriptor/PolyVector.h

@@ -23,26 +23,26 @@ template <typename Catalog> class PolyVector {
 public:
     using BaseType = typename Catalog::BaseType;
 
-    void delete_element(const BaseType* element)
+    void delete_element(const BaseType* t)
     {
         for (size_t i = 0; i < m_v.size(); i++)
-            if (m_v[i].certainItem() == element)
+            if (m_v[i].certainItem() == t)
                 m_v.erase(m_v.begin() + i);
     }
 
     void delete_polyitem_at(size_t i) { m_v.erase(m_v.begin() + i); }
 
-    void insert_polyitem_at(size_t i, BaseType* element)
+    void insert_polyitem_at(size_t i, BaseType* t)
     {
         PolyItem<Catalog> p;
-        p.setCertainItem(element);
+        p.setCertainItem(t);
         m_v.insert(m_v.begin() + i, std::move(p));
     }
 
-    int index_of(const BaseType* element) const
+    int index_of(const BaseType* t) const
     {
         for (size_t i = 0; i < m_v.size(); i++)
-            if (m_v[i].certainItem() == element)
+            if (m_v[i].certainItem() == t)
                 return int(i);
         return -1;
     }