#if !defined HTOFHISTACTION_H
#define HTOFHISTACTION_H

#include "TObjArray.h"
#include "TGFrame.h"
#include "TGButton.h"
#include "TGListBox.h"
#include "TGTextEntry.h"
#include "TGTextBuffer.h"
#include "TGLabel.h"
#include "TRootEmbeddedCanvas.h"
#include "TGTab.h"
#include "TGFSContainer.h"
#include "TGComboBox.h"

enum HistCommandsId {

  M_CLOSE_HIST = 100,

  M_DRAW,
  M_SCALE_HIST,
  M_SCALE_STAT,
  M_SELECT,
  M_CLEAR_A,
  M_SAVE_PIC,
  M_SAVE_HIST,
  M_EDIT,
  M_NEXT_A,
  M_PREV_A,

  M_IMPORT,
  M_CLEAR_B,
  M_NEXT_B,
  M_PREV_B,

  M_MULTI,

  M_LIST_A,
  M_LIST_B,

  M_CDUP,
  M_LIST_MODE,
  M_DETAIL_MODE,

  M_FILTER
};


class TPad;
class TH1F;

class HTofHistAction : public TGMainFrame {

 protected:
  Bool_t toGreen(Window_t id);
  Bool_t toDefault(Window_t id);
  Bool_t isOverlap();
  Bool_t isLayout();
  void toScan();

 protected:
  TGCompositeFrame     *fF0, *fFA, *fFB;
  TRootEmbeddedCanvas  *fCanvasA, *fCanvasB;
  TGListBox            *fListBoxA, *fListBoxB;
  TGCompositeFrame     *fA1, *fA2, *fA3, *fA4, *fA5;
  TGCompositeFrame     *fB1, *fB2, *fB3, *fB4, *fB5;
  TGButton             *fCloseButton, *fScaleButton, *fScaleStat;
  TGButton             *fSavePic, *fSaveHist, *fEditButton;
  TGButton             *fDrawButton, *fSelectButton, *fClearButtonA;
  TGButton             *fPrevButtonA, *fNextButtonA;
  TGButton             *fGetButton,*fClearButtonB,*fPrevButtonB,*fNextButtonB;
  TGButton             *fLayoutButton[16];
  TGCheckButton        *fMultiButton;
  TGTextEntry          *fName, *fTitle, *fChan, *fRange, *fEntries;
  TGTextBuffer         *fNameBuf, *fTitleBuf,*fChanBuf,*fRangeBuf,*fEntriesBuf;
  TGTextEntry          *fBinCont, *fBinRange;
  TGTextBuffer         *fBinContBuf, *fBinRangeBuf;
  TGTextEntry          *fXstart, *fXstop, *fYstart, *fYstop, *fScale;
  TGTextBuffer         *fXstartBuf, *fXstopBuf, *fYstartBuf, *fYstopBuf;
  TGTextBuffer         *fScaleBuf;
  TGCompositeFrame     *fZ1, *fZ2, *fX1, *fY1, *fY2;
  TGTab                *fTab;
  TGCompositeFrame     *fC1, *fC2;
  const TGPicture      *fPcdup;
  const TGPicture      *fPlist;
  const TGPicture      *fPdetail;
  TGPictureButton      *fCdup, *fListMode, *fDetailMode;
  TGListBox            *fDir;
  TGListView           *fFileView;
  TGFileContainer      *fFileCont;
  TGComboBox           *fFilterBox;


 protected:
  TObjArray            *fHisto; //histo container
  Int_t                 position; //current position in array "fHisto"
  Bool_t                flags[1000]; //true for highlighted histos (ListBoxA)
  TPad                 *pads[16];//addresses of pads in 4x4 matrix
                                 //(display layout for CanvasA)
  Int_t                 histInd[16];//indices of histos drawn in CanvasA 
  Int_t                 horLay[4];//horizontal display layout
  Int_t                 verLay[4];//vertical display layout
  Int_t                 cursorIter;//current true position in array "flags"
  Int_t                 xDiv, yDiv;//parameters for CanvasA division in case 
                                   //of automatic display layout

 public:
  HTofHistAction(const TGWindow *p, UInt_t w, UInt_t h);
  virtual ~HTofHistAction();
  virtual void CloseWindow();
  virtual Bool_t ProcessMessage(Long_t msg, Long_t parm1, Long_t parm2);
  Int_t getNextTrueIndex(); //returns -1 in case of no index found
  void resetIter() {cursorIter = -1;}
  void setCanvasDivision(Int_t number);
  void drawHist();//draws a histo in case of automatic display layout
  void processBoxB(Int_t par);
  void importDefault();
  Bool_t importHist(TH1F *hist);
  Bool_t importFromFile(const Char_t *filename);
  void clearScan();
  void paintHist();//draws a histo in case of user defined display layout
  void automatic(TH1F *h);

 public:
  ClassDef(HTofHistAction,0)
};

#endif