/home/marsyas/marsyas/src/marsyasqt/MarSystemQtWrapper.h

/* Filename: MarSystemQtWrapper.h
* Purpose: Wrapper around MarSystem framework.  This is a modified version
* of the MarPlayer application's MarSystemQtWrapper.h file by Dr. George Tzanetakis.
*/

#ifndef MARSYSTEMWRAPPER_H
#define MARSYSTEMWRAPPER_H


#include <QThread>
#include <QVector>
#include <QString>
#include <QMutex>
#include <QSemaphore>
#include <QWaitCondition>
#include <QTimer> 
#include <QMetaType>
#include "common.h"
#include "MarSystemManager.h"


using namespace std;
using namespace Marsyas;
namespace MarsyasQt
{
class MarSystemQtWrapper: public QThread
{
    Q_OBJECT

public:
    MarSystemQtWrapper(MarSystem* msys, bool withTimer = false);
    ~MarSystemQtWrapper();
    void tickForever();
    void trackctrl(MarControlPtr control);

    QVector<MarControlPtr> getTrackedControls();

    public slots:
        void updctrl(MarControlPtr control, MarControlPtr cval);
        void updctrl(std::string cname, MarControlPtr newcontrol) 
        {
            MarControlPtr control = main_pnet_->getControl(cname);
            return updctrl(control, newcontrol);
        }
        void updctrl(char *cname, MarControlPtr newcontrol) 
        {
            MarControlPtr control = main_pnet_->getControl(cname);
            return updctrl(control, newcontrol);
        }
        void emitTrackedControls();

        MarControlPtr getctrl(string cname);

        void play();
        void pause();

signals:
        void ctrlChanged(MarControlPtr cname);

protected:
    void run();
private:
    QMutex mutex_;
    bool abort_;
    bool withTimer_;

    QWaitCondition condition_; 
    int counter_;

    // the underlying MarSystem
    MarSystem* main_pnet_;

    // Vectors for pushing in events that cannot be
    // processes while the main MarSystem is ticking
    QVector<MarControlPtr> control_names_;
    QVector<MarControlPtr> control_values_;
    QVector<MarControlPtr> tracked_controls_;
    bool pause_;

    bool running_;
};
} // namespace
#endif // MARSYSTEMWRAPPER_H

---