TGObject.h

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// @(#)root/gui:$Id$
// Author: Fons Rademakers   27/12/97
 
/*************************************************************************
 * 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_TGObject
#define ROOT_TGObject
 
 
//////////////////////////////////////////////////////////////////////////
//                                                                      //
// TGObject                                                             //
//                                                                      //
// This class is the baseclass for all ROOT GUI widgets.                //
// The ROOT GUI components emulate the Win95 look and feel and the code //
// is based on the XClass'95 code (see Copyleft in source).             //
//                                                                      //
//////////////////////////////////////////////////////////////////////////
 
#include "TObject.h"
#include "GuiTypes.h"
 
class TGClient;
 
 
class TGObject : public TObject {
 
 
protected:
   Handle_t    fId;                  // X11/Win32 Window identifier
   TGClient   *fClient;              // Connection to display server
 
   TGObject& operator=(const TGObject& tgo)
     {if(this!=&tgo) { TObject::operator=(tgo); fId=tgo.fId;
     fClient=tgo.fClient; } return *this; }
 
public:
   TGObject(): fId(0), fClient(0) { }
   TGObject(const TGObject& tgo): TObject(tgo), fId(tgo.fId), fClient(tgo.fClient) { }
   virtual ~TGObject();
   Handle_t  GetId() const { return fId; }
   TGClient *GetClient() const { return fClient; }
   ULong_t   Hash() const { return (ULong_t) fId >> 0; }
   Bool_t    IsEqual(const TObject *obj) const;
   virtual void SaveAs(const char* filename = "", Option_t* option = "") const;
 
   ClassDef(TGObject,0)  //ROOT GUI base class
};
 
#endif