demos/spectrum/app/progressbar.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 11 Jun 2010 14:24:45 +0300
changeset 25 e24348a560a6
child 29 b72c6db6890b
permissions -rw-r--r--
Revision: 201021 Kit: 2010123

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#ifndef PROGRESSBAR_H
#define PROGRESSBAR_H

#include <QWidget>

/**
 * Widget which displays a the current fill state of the Engine's internal
 * buffer, and the current play/record position within that buffer.
 */
class ProgressBar : public QWidget {
    Q_OBJECT
public:
    ProgressBar(QWidget *parent = 0);
    ~ProgressBar();

    void reset();
    void paintEvent(QPaintEvent *event);

public slots:
    void bufferDurationChanged(qint64 bufferSize);
    void recordPositionChanged(qint64 recordPosition);
    void playPositionChanged(qint64 playPosition);
    void windowChanged(qint64 position, qint64 length);

private:
    qint64 m_bufferDuration;
    qint64 m_recordPosition;
    qint64 m_playPosition;
    qint64 m_windowPosition;
    qint64 m_windowLength;

};

#endif // PROGRESSBAR_H