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    37 

    38 #ifndef PROGRESSBAR_H

    39 #define PROGRESSBAR_H

    40 

    41 #include <QWidget>

    42 

    43 /**

    44  * Widget which displays a the current fill state of the Engine's internal

    45  * buffer, and the current play/record position within that buffer.

    46  */

    47 class ProgressBar : public QWidget {

    48     Q_OBJECT

    49 public:

    50     ProgressBar(QWidget *parent = 0);

    51     ~ProgressBar();

    52 

    53     void reset();

    54     void paintEvent(QPaintEvent *event);

    55 

    56 public slots:

    57     void bufferDurationChanged(qint64 bufferSize);

    58     void recordPositionChanged(qint64 recordPosition);

    59     void playPositionChanged(qint64 playPosition);

    60     void windowChanged(qint64 position, qint64 length);

    61 

    62 private:

    63     qint64 m_bufferDuration;

    64     qint64 m_recordPosition;

    65     qint64 m_playPosition;

    66     qint64 m_windowPosition;

    67     qint64 m_windowLength;

    68 

    69 };

    70 

    71 #endif // PROGRESSBAR_H