Qt 4.8: mainwindow.h Example File (phonon/qmusicplayer/mainwindow.h)

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# mainwindow.h Example File

phonon/qmusicplayer/mainwindow.h

     /****************************************************************************
     **
     ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
     ** Contact: http://www.qt-project.org/legal
     **
     ** 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 Digia Plc 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 MAINWINDOW_H
     #define MAINWINDOW_H

     #include <QMainWindow>
     #include <phonon/audiooutput.h>
     #include <phonon/seekslider.h>
     #include <phonon/mediaobject.h>
     #include <phonon/volumeslider.h>
     #include <phonon/backendcapabilities.h>
     #include <QList>

     class QAction;
     class QTableWidget;
     class QLCDNumber;

     class MainWindow : public QMainWindow
     {
         Q_OBJECT

     public:
         MainWindow();

         QSize sizeHint() const {
             return QSize(500, 300);
         }

     private slots:
         void addFiles();
         void about();
         void stateChanged(Phonon::State newState, Phonon::State oldState);
         void tick(qint64 time);
         void sourceChanged(const Phonon::MediaSource &source);
         void metaStateChanged(Phonon::State newState, Phonon::State oldState);
         void aboutToFinish();
         void tableClicked(int row, int column);

     private:
         void setupActions();
         void setupMenus();
         void setupUi();

         Phonon::SeekSlider *seekSlider;
         Phonon::MediaObject *mediaObject;
         Phonon::MediaObject *metaInformationResolver;
         Phonon::AudioOutput *audioOutput;
         Phonon::VolumeSlider *volumeSlider;
         QList<Phonon::MediaSource> sources;

         QAction *playAction;
         QAction *pauseAction;
         QAction *stopAction;
         QAction *nextAction;
         QAction *previousAction;
         QAction *addFilesAction;
         QAction *exitAction;
         QAction *aboutAction;
         QAction *aboutQtAction;
         QLCDNumber *timeLcd;
         QTableWidget *musicTable;
     };

     #endif