switch.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 SWITCH_H
#define SWITCH_H

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

class CircuitDocument;
class Component;
class Pin;
class Resistance;
class QTimer;

class Switch : public QObject
{
        Q_OBJECT
        
        public:
                enum State
                {
                        Open,
                        Closed,
                };
                
                Switch( Component * parent, Pin * p1, Pin * p2, State state );
                ~Switch();
                void setState( State state );
                State state() const { return m_state; }
                void setBounce( bool bounce, int msec = 5 );
                void bounce();
                bool calculateCurrent();
                
        protected slots:
                void stopBouncing();

        protected:
                void startBouncing();
                
                bool m_bBounce;
                int m_bouncePeriod_ms;
                unsigned long long m_bounceStart; // Simulator time that bouncing started
                Resistance * m_pBounceResistance;
                State m_state;
                Component * m_pComponent;
                QGuardedPtr<Pin> m_pP1;
                QGuardedPtr<Pin> m_pP2;
                QTimer * m_pStopBouncingTimer;
};

#endif

---