#ifndef __TMrbHelpBrowser_h__
#define __TMrbHelpBrowser_h__

#include "TROOT.h"
#include "TString.h"
#include "TList.h"
#include "TFile.h"
#include "TGMenu.h"
#include <iostream>

namespace std {} using namespace std;

class TMrbHelpBrowser : public TNamed {
private:
   TFile * fRootFile;
   TString fHtmlDir;
   TList * fHelpList;
   TList * fCanvasList;
   Int_t fWwX, fWwY;
   Int_t fX0;
   Int_t fY0;
   Int_t fScreen_w, fScreen_h;
   Int_t fTextSize;                  // size in pixels
   Int_t fTextFont;                  // 
   Int_t fMaxLineLength; 
   TString fGifViewer;

public:

   ~TMrbHelpBrowser();

   TMrbHelpBrowser(const char * InputFile = 0);
	void RecursiveRemove(TObject*);
   void SetTextSize(Int_t size);
   
   void SetMaxLineLength(Int_t len);

   void SetTextFont(Int_t font);
   
   void SetGifViewer(const char * viewer);

//________________________________________________________________________________

Int_t AddHtml(const char * InputFile);

Int_t AddHtmlFile(const char * HtmlFile, Bool_t keep_references = kTRUE);

Int_t AddHtmlDir(const char * HtmlDir);
Int_t AddGifToRoot(const char * Input);

void AddGifFile(const char * GifFile);
void AddCanvas(const char * RootFile);
void Clear(Option_t * Option) { TObject::Clear(Option); };
void Clear();

TFile * SetRootFile(const char * RootFile){
   fRootFile = new TFile(RootFile);
   return fRootFile;
}

static void HandleMouseClicks();
//________________________________________________________________________________

Bool_t ToRootFile(const char * Input, const char * RootFile, 
                  const char * option = "UPDATE");

TFile * GetRootFile(){return fRootFile;}

void Print(Option_t * Option) const { TObject::Print(Option); };
void Print(TString * Option = NULL) const;

void DrawText(const char * hname, Int_t xoff = 0, Int_t yoff = 0);
void DrawText(const Int_t  ind, Int_t xoff = 0, Int_t yoff = 0);

Int_t DisplayMenu(TGPopupMenu * menu, const char * pattern = "");

Int_t GetNofItems(){return fHelpList->GetSize();};
//________________________________________________________________________________

private:

Bool_t Squeeze_White_Space(TString & s);

Bool_t Squeeze_EOL(TString & s);

Int_t NextLine(TString & text, TString & line, Bool_t start);

Int_t NextTag(TString & text, TString & tag, Int_t search_from);

Int_t NextAnchor(TString & text, TString & anchor, Int_t search_from);

Int_t NextHeading(TString & text, TString & heading, Int_t search_from);

Int_t AddTagAtEOL(TString & s);


Int_t LineCount(TString & str, Int_t * longest_line, Int_t * nof_heads);

void MoveOrigin();

void PreScan(TString & text, Bool_t keep_references = kTRUE);

void DisplayImage(TString & img_name);

ClassDef(TMrbHelpBrowser, 0)   // [HelpBrowser] Help browser
};

#endif