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bytstpr.h

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#ifndef __BYTSTPR_H_INCLUDED__
#define __BYTSTPR_H_INCLUDED__

// $Id$

//**********************************************************************
//                                                                     *
//    Description:   TurboVision byte stepper class.                   *
//                                                                     *
//    Author:        Chris White (whitecf@bcs.org.uk)                  *
//                                                                     *
//    Copyright (C) 2003  Monitor Computing Services Ltd.              *
//                                                                     *
//    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 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 (http://www.gnu.org/copyleft/gpl.html) along with this   *
//    program; if not, write to:                                       *
//       The Free Software Foundation Inc.,                            *
//       59 Temple Place - Suite 330,                                  *
//       Boston, MA  02111-1307,                                       *
//       USA.                                                          *
//                                                                     *
//**********************************************************************
//                                                                     *
//    Notes:                                                           *
//                                                                     *
//**********************************************************************


// Forward declerations
class TEvent;
class TRect;
class WatcherList;

#define Uses_TInputLine

#include <watchble.h>

#include <tvision\tv.h>


namespace Monitor {
namespace Utility {



class ByteStepper : public Watchable, public TInputLine
{
public:
    ByteStepper(const TRect&    newBounds,
                int             newMaxLen,
                const char      *newFormat,
                const float     newDisplayScaler = 1.0);

    virtual ~ByteStepper();


    void
    setState(ushort    aState, Boolean    enable);

    virtual void
    handleEvent(TEvent&    event);

    void
    setScaler(const float     newDisplayScaler);

    void
    setMaxValue(const unsigned char    newMaxValue);

    void
    setMinValue(const unsigned char    newMinValue);

    void
    displayValue();

    virtual void
    getData(void *rec);

    virtual void
    setData(void *rec);


private:
    unsigned char    value;
    unsigned char    maxValue;
    unsigned char    minValue;
    const char       *format;
    float            displayScaler;

    unsigned char
    getValue() {return value;}

    int
    setValue(int    newValue);

    void
    changeValue(int    newValue);

    void
    readValue();
};

};  // namespace Utility
};  // namespace Monitor

#endif // __BYTSTPR_H_INCLUDED__

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