rt300@0: //
rt300@0: //  uifunctor.h
rt300@0: //  Wablet
rt300@0: //
rt300@0: //  Created by Robert Tubb on 22/03/2012.
rt300@0: //  Copyright (c) 2012 __MyCompanyName__. All rights reserved.
rt300@0: //
rt300@0: 
rt300@0: #ifndef Wablet_uifunctor_h
rt300@0: #define Wablet_uifunctor_h
rt300@0: 
rt300@0: //------------------- callback functor
rt300@0: 
rt300@0: // abstract base class
rt300@0: class UIFunctor
rt300@0: {
rt300@0: public:
rt300@0:     
rt300@0:     // two possible functions to call member function. virtual cause derived
rt300@0:     // classes will use a pointer to an object and a pointer to a member function
rt300@0:     // to make the function call
rt300@0:     virtual void operator()(int buttID)=0;  // call using operator
rt300@0:     virtual void Call(int buttID)=0;        // call using function
rt300@0: };
rt300@0: 
rt300@0: 
rt300@0: // derived template class - this one is for memeber of testApp class
rt300@0: template <class testApp> class UISpecificFunctor : public UIFunctor
rt300@0: {
rt300@0: private:
rt300@0:     void (testApp::*fpt)(int);   // pointer to member function
rt300@0:     testApp* pt2Object;                  // pointer to object
rt300@0:     
rt300@0: public:
rt300@0:     
rt300@0:     // constructor - takes pointer to an object and pointer to a member and stores
rt300@0:     // them in two private variables
rt300@0:     
rt300@0:     UISpecificFunctor( testApp* _pt2Object, void(testApp::*_fpt)(int))
rt300@0:     { 
rt300@0:         pt2Object = _pt2Object;  
rt300@0:         fpt=_fpt; 
rt300@0:     };
rt300@0:     
rt300@0:     // override operator "()"
rt300@0:     
rt300@0:     virtual void operator()(int buttID)
rt300@0:     { (*pt2Object.*fpt)(buttID);};              // execute member function
rt300@0:     
rt300@0:     // override function "Call"
rt300@0:     virtual void Call(int buttID)
rt300@0:     { (*pt2Object.*fpt)(buttID);};             // execute member function
rt300@0: };
rt300@0: 
rt300@0: 
rt300@0: #endif