include/root/TGRedirectOutputGuard.h

0001 // @(#)root/gui:$Id$
0002 // Author: G. Ganis   10/10/2005
0003
0004 /*************************************************************************
0005  * Copyright (C) 1995-2021, Rene Brun and Fons Rademakers.               *
0006  * All rights reserved.                                                  *
0007  *                                                                       *
0008  * For the licensing terms see $ROOTSYS/LICENSE.                         *
0009  * For the list of contributors see $ROOTSYS/README/CREDITS.             *
0010  *************************************************************************/
0011
0012 #ifndef ROOT_TGRedirectOutputGuard
0013 #define ROOT_TGRedirectOutputGuard
0014
0015
0016 #include "TString.h"
0017
0018 class TGTextView;
0019
0020 class TGRedirectOutputGuard {
0021
0022 private:
0023    TString      fLogFile;
0024    Bool_t       fTmpFile;
0025    TGTextView  *fTextView;
0026    FILE        *fLogFileRead;
0027
0028 private:
0029    TGRedirectOutputGuard(const TGRedirectOutputGuard&) = delete;
0030    TGRedirectOutputGuard &operator=(const TGRedirectOutputGuard&) = delete;
0031
0032 public:
0033    TGRedirectOutputGuard(TGTextView *tv,
0034                          const char *flog = nullptr, const char *mode = "a");
0035    virtual ~TGRedirectOutputGuard();
0036
0037    void Update(); // Update window with file content
0038
0039    ClassDef(TGRedirectOutputGuard,0)  // Exception safe output redirection
0040 };
0041
0042 #endif