playercontrols.h Example File

multimediawidgets/player/playercontrols.h
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 #ifndef PLAYERCONTROLS_H
 #define PLAYERCONTROLS_H

 #include <QMediaPlayer>
 #include <QWidget>

 class QAbstractButton;
 class QAbstractSlider;
 class QComboBox;

 class PlayerControls : public QWidget
 {
     Q_OBJECT

 public:
     explicit PlayerControls(QWidget *parent = nullptr);

     QMediaPlayer::State state() const;
     int volume() const;
     bool isMuted() const;
     qreal playbackRate() const;

 public slots:
     void setState(QMediaPlayer::State state);
     void setVolume(int volume);
     void setMuted(bool muted);
     void setPlaybackRate(float rate);

 signals:
     void play();
     void pause();
     void stop();
     void next();
     void previous();
     void changeVolume(int volume);
     void changeMuting(bool muting);
     void changeRate(qreal rate);

 private slots:
     void playClicked();
     void muteClicked();
     void updateRate();
     void onVolumeSliderValueChanged();

 private:
     QMediaPlayer::State m_playerState = QMediaPlayer::StoppedState;
     bool m_playerMuted = false;
     QAbstractButton *m_playButton = nullptr;
     QAbstractButton *m_stopButton = nullptr;
     QAbstractButton *m_nextButton = nullptr;
     QAbstractButton *m_previousButton = nullptr;
     QAbstractButton *m_muteButton = nullptr;
     QAbstractSlider *m_volumeSlider = nullptr;
     QComboBox *m_rateBox = nullptr;
 };

 #endif // PLAYERCONTROLS_H