Qt 4.5: mediaplayer.h Example File (demos/mediaplayer/mediaplayer.h)

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# mediaplayer.h Example File
demos/mediaplayer/mediaplayer.h

     /****************************************************************************
     **
     ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
     ** Contact: Qt Software Information (qt-info@nokia.com)
     **
     ** This file is part of the demonstration applications of the Qt Toolkit.
     **
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     ** accordance with the Qt Commercial License Agreement provided with the
     ** Software or, alternatively, in accordance with the terms contained in
     ** a written agreement between you and Nokia.
     **
     ** GNU Lesser General Public License Usage
     ** Alternatively, this file may be used under the terms of the GNU Lesser
     ** General Public License version 2.1 as published by the Free Software
     ** Foundation and appearing in the file LICENSE.LGPL included in the
     ** packaging of this file.  Please review the following information to
     ** ensure the GNU Lesser General Public License version 2.1 requirements
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     ** GNU General Public License Usage
     ** Alternatively, this file may be used under the terms of the GNU
     ** General Public License version 3.0 as published by the Free Software
     ** Foundation and appearing in the file LICENSE.GPL included in the
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     ** ensure the GNU General Public License version 3.0 requirements will be
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     #ifndef MEDIALAYER_H
     #define MEDIAPLAYER_H

     #include <QtGui/QWidget>
     #include <QtGui/QApplication>
     #include <QtCore/QTimerEvent>
     #include <QtGui/QShowEvent>
     #include <QtGui/QIcon>

     #include <Phonon/AudioOutput>
     #include <Phonon/BackendCapabilities>
     #include <Phonon/Effect>
     #include <Phonon/EffectParameter>
     #include <Phonon/EffectWidget>
     #include <Phonon/MediaObject>
     #include <Phonon/SeekSlider>
     #include <Phonon/VideoWidget>
     #include <Phonon/VolumeSlider>

     class QPushButton;
     class QLabel;
     class QSlider;
     class QTextEdit;
     class QMenu;
     class Ui_settings;

     class MediaPlayer :
                 public QWidget
     {
         Q_OBJECT
     public:
         MediaPlayer(const QString &);

         void dragEnterEvent(QDragEnterEvent *e);
         void dragMoveEvent(QDragMoveEvent *e);
         void dropEvent(QDropEvent *e);
         void handleDrop(QDropEvent *e);
         void setFile(const QString &text);
         void initVideoWindow();
         void initSettingsDialog();

     public slots:
         void openFile();
         void rewind();
         void forward();
         void updateInfo();
         void updateTime();
         void finished();
         void playPause();
         void scaleChanged(QAction *);
         void aspectChanged(QAction *);

     private slots:
         void setAspect(int);
         void setScale(int);
         void setSaturation(int);
         void setContrast(int);
         void setHue(int);
         void setBrightness(int);
         void stateChanged(Phonon::State newstate, Phonon::State oldstate);
         void effectChanged();
         void showSettingsDialog();
         void showContextMenu(const QPoint &);
         void bufferStatus(int percent);
         void openUrl();
         void configureEffect();

     private:
         QIcon playIcon;
         QIcon pauseIcon;
         QMenu *fileMenu;
         QPushButton *playButton;
         QPushButton *rewindButton;
         QPushButton *forwardButton;
         Phonon::SeekSlider *slider;
         QLabel *timeLabel;
         QLabel *progressLabel;
         Phonon::VolumeSlider *volume;
         QSlider *m_hueSlider;
         QSlider *m_satSlider;
         QSlider *m_contSlider;
         QLabel *info;
         Phonon::Effect *nextEffect;
         QDialog *settingsDialog;
         Ui_settings *ui;

         QWidget m_videoWindow;
         Phonon::MediaObject m_MediaObject;
         Phonon::AudioOutput m_AudioOutput;
         Phonon::VideoWidget *m_videoWidget;
         Phonon::Path m_audioOutputPath;
     };

     #endif //MEDIAPLAYER_H