// @(#)root/meta:$Id$
// Author: Rene Brun   09/02/95

/*************************************************************************
 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/

#ifndef ROOT_TMethod
#define ROOT_TMethod


//////////////////////////////////////////////////////////////////////////
//                                                                      //
// TMethod                                                              //
//                                                                      //
// Dictionary of a member function (method).                            //
//                                                                      //
//////////////////////////////////////////////////////////////////////////

#include "TFunction.h"

class TList;
class TDataMember;
class TMethodCall;
class TClass;

enum EMenuItemKind {
   kMenuNoMenu = 0,
   kMenuDialog,
   kMenuToggle,
   kMenuSubMenu
};

class TMethod : public TFunction {

private:
   TClass                 *fClass;           //pointer to the class
   EMenuItemKind           fMenuItem;        //type of menuitem in context menu
   TString                 fGetter;          //state getter in case this is a *TOGGLE method
   TMethodCall            *fGetterMethod;    //methodcall for state getter in case this is a *TOGGLE method
   TMethodCall            *fSetterMethod;    //methodcall for state setter in case this is a *TOGGLE method

   void                    CreateSignature() override;
   void                    SetMenuItem(const char *docstring);    //Must not be virtual. Used in constructor.
public:
   TMethod(MethodInfo_t *info = nullptr, TClass *cl = nullptr);
   TMethod(const TMethod &org);
   virtual ~TMethod();
   TMethod&                operator=(const TMethod &rhs);
   TObject                *Clone(const char *newname="") const override;
   TClass                 *GetClass() const { return fClass; }
   EMenuItemKind           IsMenuItem() const { return fMenuItem; }
   Bool_t                  IsValid() override;
   virtual const char     *GetCommentString();
   virtual const char     *Getter() const { return fGetter; }
   virtual TMethodCall    *GetterMethod();
   virtual TMethodCall    *SetterMethod();
   virtual TDataMember    *FindDataMember();
   virtual TList          *GetListOfMethodArgs();
   virtual void            SetMenuItem(EMenuItemKind menuItem) { fMenuItem = menuItem; }

   Bool_t                  Update(MethodInfo_t *info) override;

   ClassDefOverride(TMethod,0)  //Dictionary for a class member function (method)
};

#endif