attach vtk context to gcompose

src/Core/Object.cpp

@@ -56,7 +56,8 @@ public:
     GenericMFPtr sloptr;
     std::string slostr;
   };
-
+  
+  std::string m_InstanceName;
   Vector<Signal> sigv;
   Vector<Slot> slov;
 };
@@ -147,6 +148,15 @@ GenericMFPtr *Object::findSlotImpl(const char *name) const {
 
 void Object::Updated() { ULIB_SIGNAL_EMIT(Object::Updated); }
 
+const std::string& Object::GetInstanceName() const {
+  return d->m_InstanceName;
+}
+
+void Object::SetInstanceName(const std::string& name) {
+  d->m_InstanceName = name;
+  this->Updated();
+}
+
 // std::ostream &
 // operator << (std::ostream &os, uLib::Object &ob)
 // {