LoupeOnPad.h

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/***************************************************************************
 *   Copyright (c) IPNL, IN2P3, CNRS                                       *
 *   Contibutor(s) :                                                       *
 *      Jeremie Dudouet  dudouet(AT)ipnl.in2p3.fr [2014]                   *
 *      Olivier Stezowski stezow(AT)ipnl.in2p3.fr [2014]                   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef LOUPEONPAD_H
#define LOUPEONPAD_H

#include "TObject.h"
#include "TCanvas.h"
#include "TROOT.h"
#include "KeySymbols.h"
#include "TPave.h"

#include <iostream>


class LoupeOnPad : public TObject
{

private:
    TCanvas *fCanvas;
    Int_t fCurrentPadNumber;
    Int_t fLastX;
    Int_t fLastY;
    Int_t fDeltaX;
    Int_t fDeltaY;
    Bool_t fToggleLoupe;
    Bool_t fToggleMouse;

protected:
    Int_t GetPadNumber(Int_t add_x, Int_t add_y);

public:
    LoupeOnPad(TCanvas *c = 0x0);
    virtual ~LoupeOnPad();

    void ChangeCurrentPad(Int_t padnumber = 1);

    TCanvas *CheckLoupeIsThere();

    void HandleMovement(Int_t, Int_t, Int_t, TObject *select);

    void Clear(Option_t * = "");

    void SetLoupeActive(Bool_t b = true){fToggleLoupe = b;}

    ClassDef(LoupeOnPad, 0) // LoupeOnPad facility
};

void RunLoupeOnPad(TCanvas *c = 0x0);

#endif