C / C++ / MFC

Max++ wrote:

I need the message that send every time when user do something on all control on Dialog.

My webchat in Europe (in 4K)

Maximilien wrote:

Is there another pattern or methodology to clean that potential mess ?

struct BaseClass {};
struct C1 : public BaseClass {};
struct C2 : public BaseClass {};
struct C3 : public BaseClass {};

typedef BaseClass* BaseClassPtr;

BaseClassPtr Make(std::string const& type)
{
   using namespace boost::lambda;
   typedef boost::function<BaseClassPtr()> Constructor;
   static const std::map<std::string, boost::function<BaseClassPtr()> > factoryMap =
      boost::assign::map_list_of("C1", Constructor(new_ptr<C1>()))
                                ("C2", Constructor(new_ptr<C2>()))
                                ("C3", Constructor(new_ptr<C3>()));
   
   const std::map<std::string, boost::function<BaseClassPtr()> >::const_iterator constructor = factoryMap.find(type);   
   return (constructor != factoryMap.end())?constructor->second():0;
}

// typedefinition of the creation function 
typedef BaseClass* CreateFunc ();

....
// In your factory:
void RegisterCreator(ObjectType type, CreateFunc* pFunc);

int RegisterType1Class()
{
	CObjectFactory::GetInstance().RegisterCreator(Type1, Type1Class::CreateObject);
	return 0;
}
static int Temp = RegisterType1Class();