wire.h

/***************************************************************************
 *   Copyright (C) 2005 by David Saxton                                    *
 *   david@bluehaze.org                                                    *
 *                                                                         *
 *   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.                                   *
 ***************************************************************************/

#ifndef WIRE_H
#define WIRE_H

#include <qguardedptr.h>
#include <qobject.h>

class Pin;

class Wire : public QObject
{
        public:
                Wire(Pin *startPin, Pin *endPin);
                ~Wire();

                bool calculateCurrent();
                bool currentIsKnown() const { return m_bCurrentIsKnown; }
                void setCurrentKnown(bool known);
                double current() const { return m_current; } 
                double voltage() const;

                Pin *startPin() const { return m_pStartPin; }
                Pin *endPin() const { return m_pEndPin; }

        protected:
                double m_current;
                bool m_bCurrentIsKnown;
                QGuardedPtr<Pin> m_pStartPin;
                QGuardedPtr<Pin> m_pEndPin;
};

#endif

---