Qt 5.8 | Qt Multimedia | Media Player Example | playercontrols.h Example File

Qt 5.8.0 Reference Documentation

# 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:
          PlayerControls(QWidget *parent = 0);

          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 playerState;
          bool playerMuted;
          QAbstractButton *playButton;
          QAbstractButton *stopButton;
          QAbstractButton *nextButton;
          QAbstractButton *previousButton;
          QAbstractButton *muteButton;
          QAbstractSlider *volumeSlider;
          QComboBox *rateBox;
      };

      #endif // PLAYERCONTROLS_H