musicplayer.h Example File

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  #ifndef MUSICPLAYER_H
  #define MUSICPLAYER_H

  #include <QWidget>
  #include <QMediaPlayer>

  class VolumeButton;

  QT_FORWARD_DECLARE_CLASS(QLabel)
  QT_FORWARD_DECLARE_CLASS(QSlider)
  QT_FORWARD_DECLARE_CLASS(QAbstractButton)
  QT_FORWARD_DECLARE_CLASS(QWinTaskbarButton)
  QT_FORWARD_DECLARE_CLASS(QWinTaskbarProgress)
  QT_FORWARD_DECLARE_CLASS(QWinThumbnailToolBar)
  QT_FORWARD_DECLARE_CLASS(QWinThumbnailToolButton)

  class MusicPlayer : public QWidget
  {
      Q_OBJECT
  public:
      MusicPlayer(QWidget *parent = 0);

  public slots:
      void openFile();
      void playFile(const QString& filePath);
      void togglePlayback();
      void seekForward();
      void seekBackward();

  protected:
      bool event(QEvent *event);
      void mousePressEvent(QMouseEvent *event);
      void mouseMoveEvent(QMouseEvent *event);
      void mouseReleaseEvent(QMouseEvent *event);

  private slots:
      void stylize();
      void updateState(QMediaPlayer::State state);
      void updatePosition(qint64 position);
      void updateDuration(qint64 duration);
      void setPosition(int position);
      void updateInfo();
      void handleError();

      void updateTaskbar();
      void updateThumbnailToolBar();

  private:
      void createWidgets();
      void createShortcuts();
      void createJumpList();
      void createTaskbar();
      void createThumbnailToolBar();

      QWinTaskbarButton* taskbarButton;
      QWinTaskbarProgress* taskbarProgress;
      QWinThumbnailToolBar* thumbnailToolBar;
      QWinThumbnailToolButton *playToolButton;
      QWinThumbnailToolButton *forwardToolButton;
      QWinThumbnailToolButton *backwardToolButton;

      QMediaPlayer mediaPlayer;
      QAbstractButton *playButton;
      VolumeButton *volumeButton;
      QSlider *positionSlider;
      QLabel *positionLabel;
      QLabel *infoLabel;
      QPoint offset;
  };

  #endif // MUSICPLAYER_H