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Diffstat (limited to 'demos/spectrum/app/progressbar.h')
-rw-r--r-- | demos/spectrum/app/progressbar.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/demos/spectrum/app/progressbar.h b/demos/spectrum/app/progressbar.h new file mode 100644 index 0000000..de9e5a9 --- /dev/null +++ b/demos/spectrum/app/progressbar.h @@ -0,0 +1,71 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are met: +** - Redistributions of source code must retain the above copyright notice, +** this list of conditions and the following disclaimer. +** - Redistributions in binary form must reproduce the above copyright notice, +** this list of conditions and the following disclaimer in the documentation +** and/or other materials provided with the distribution. +** - Neither the name of Nokia Corporation and its Subsidiary(-ies) nor the +** names of its contributors may be used to endorse or promote products +** derived from this software without specific prior written permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +** ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE +** LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +** CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +** POSSIBILITY OF SUCH DAMAGE. +** $QT_END_LICENSE$ +** +*****************************************************************************/ + +#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 |