Qt 5.7 | Qt Multimedia | Spectrum Example | tonegeneratordialog.h Example File

Qt 5.7.1 Reference Documentation

# tonegeneratordialog.h Example File

multimedia/spectrum/app/tonegeneratordialog.h

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      #ifndef TONEGENERATORDIALOG_H
      #define TONEGENERATORDIALOG_H

      #include "spectrum.h"
      #include <QAudioDeviceInfo>
      #include <QDialog>

      class QCheckBox;
      class QSlider;
      class QSpinBox;
      class QGridLayout;

      /**
       * Dialog which controls the parameters of the tone generator.
       */
      class ToneGeneratorDialog : public QDialog
      {
          Q_OBJECT

      public:
          explicit ToneGeneratorDialog(QWidget *parent = 0);
          ~ToneGeneratorDialog();

          bool isFrequencySweepEnabled() const;
          qreal frequency() const;
          qreal amplitude() const;

      private slots:
          void frequencySweepEnabled(bool enabled);

      private:
          QCheckBox *m_toneGeneratorSweepCheckBox;
          bool m_frequencySweepEnabled;
          QWidget *m_toneGeneratorControl;
          QWidget *m_toneGeneratorFrequencyControl;
          QSlider *m_frequencySlider;
          QSpinBox *m_frequencySpinBox;
          qreal m_frequency;
          QSlider *m_amplitudeSlider;
      };

      #endif // TONEGENERATORDIALOG_H