/home/pete/Work/TSE3.svn/tse3/src/tse3/TimeSigTrack.h

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/*
 * @(#)TimeSigTrack.h 3.00 24 May 1999
 *
 * Copyright (c) 2000 Pete Goodliffe (pete@cthree.org)
 *
 * This file is part of TSE3 - the Trax Sequencer Engine version 3.00.
 *
 * This library is modifiable/redistributable under the terms of the GNU
 * General Public License.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; see the file COPYING. If not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 */

#ifndef TSE3_TIMESIGTRACK_H
#define TSE3_TIMESIGTRACK_H

#include "tse3/listen/TimeSigTrack.h"

#include "tse3/Notifier.h"
#include "tse3/Playable.h"
#include "tse3/Serializable.h"
#include "tse3/EventTrack.h"

namespace TSE3
{
    class TimeSig
    {
        public:

            TimeSig(int top = 4, int bottom = 4) : top(top), bottom(bottom) {}

            int top;

            int bottom;

            int operator==(const TimeSig &t) const
            {
                return (top == t.top) && (bottom == t.bottom);
            }
    };

    class TimeSigTrack : public EventTrack<TimeSig>,
                         public Serializable
    {
        public:

            TimeSigTrack();
            virtual ~TimeSigTrack();

            bool status() const { return _status; }

            void setStatus(bool s) { _status = s; }

            void barBeatPulse(Clock time, int &bar, int &beat, int &pulse);

            virtual PlayableIterator *iterator(Clock index);

            virtual Clock lastClock() const;

            virtual void save(std::ostream &o, int i) const;

            virtual void load(std::istream &i, SerializableLoadInfo &info);

        private:

            TimeSigTrack &operator=(const TimeSigTrack &);
            TimeSigTrack(const TimeSigTrack &);

            void loadEvents(std::istream &i, int filePPQN);

            bool _status;
    };
}

#endif

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