// @(#)root/ged:$Id$
// Author: Ilka Antcheva 08/05/06

/*************************************************************************
 * Copyright (C) 1995-2006, 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_TFunctionParametersDialog
#define ROOT_TFunctionParametersDialog


#include "TGFrame.h"


class TF1;
class TGNumberEntry;
class TGTextEntry;
class TGCheckButton;
class TGTextButton;
class TGTripleHSlider;
class TGNumberEntryField;
class TVirtualPad;


class TFunctionParametersDialog : public TGTransientFrame {

protected:
   TF1                 *fFunc;            ///< function passed to this dialog
   TVirtualPad         *fFpad;            ///< pad where the function is drawn
   Int_t                fNP;              ///< number of function parameters
   Double_t            *fPmin;            ///< min limits of patameters range
   Double_t            *fPmax;            ///< max limits of patameters range
   Double_t            *fPval;            ///< original patameters' values
   Double_t            *fPerr;            ///< original patameters' errors
   Double_t             fRangexmin;       ///< min limits of patameters range
   Double_t             fRangexmax;       ///< max limits of patameters range
   Double_t             fRXmin;           ///< original min range
   Double_t             fRXmax;           ///< original max range
   TGCompositeFrame    *fContNam;         ///< container of parameter names
   TGCompositeFrame    *fContVal;         ///< container of parameter values
   TGCompositeFrame    *fContFix;         ///< container of fix settings
   TGCompositeFrame    *fContSld;         ///< container of sliders
   TGCompositeFrame    *fContMin;         ///< container of min range values
   TGCompositeFrame    *fContMax;         ///< container of max range values
   TGTextEntry         **fParNam;         ///< parameter names
   TGCheckButton       **fParFix;         ///< fix setting check buttons
   TGNumberEntry       **fParVal;         ///< parameter values
   TGNumberEntryField  **fParMin;         ///< min range values
   TGNumberEntryField  **fParMax;         ///< max range values
   TGTripleHSlider     **fParSld;         ///< triple sliders
   TGCheckButton       *fUpdate;          ///< Immediate update check button
   TGTextButton        *fApply;           ///< Apply button
   TGTextButton        *fReset;           ///< Reset button
   TGTextButton        *fOK;              ///< Cancel button
   TGTextButton        *fCancel;          ///< Cancel button
   Bool_t              fHasChanges;       ///< kTRUE if function was redrawn;
   Bool_t              fImmediateDraw;    ///< kTRUE if function is updated on run-time

public:
   TFunctionParametersDialog(const TGWindow *p, const TGWindow *main,
                             TF1 *func, TVirtualPad *pad,
                             Double_t rmin, Double_t rmax);
   virtual ~TFunctionParametersDialog();

   virtual void  CloseWindow();
   virtual void  DoApply();
   virtual void  DoCancel();
   virtual void  DoFix(Bool_t on);
   virtual void  DoOK();
   virtual void  DoParMaxLimit();
   virtual void  DoParMinLimit();
   virtual void  DoParValue();
   virtual void  DoReset();
   virtual void  DoSlider();
   virtual void  HandleButtons(Bool_t update);
   virtual void  RedrawFunction();

   ClassDef(TFunctionParametersDialog, 0)  // Function parameters dialog
};

#endif
