Qt 5.8 | Qt Multimedia | Spectrum Example | settingsdialog.h Example File

Qt 5.8.0 Reference Documentation

# settingsdialog.h Example File

multimedia/spectrum/app/settingsdialog.h

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      #ifndef SETTINGSDIALOG_H
      #define SETTINGSDIALOG_H

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

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

      /**
       * Dialog used to control settings such as the audio input / output device
       * and the windowing function.
       */
      class SettingsDialog : public QDialog
      {
          Q_OBJECT

      public:
          SettingsDialog(const QList<QAudioDeviceInfo> &availableInputDevices,
                         const QList<QAudioDeviceInfo> &availableOutputDevices,
                         QWidget *parent = 0);
          ~SettingsDialog();

          WindowFunction windowFunction() const { return m_windowFunction; }
          const QAudioDeviceInfo &inputDevice() const { return m_inputDevice; }
          const QAudioDeviceInfo &outputDevice() const { return m_outputDevice; }

      private slots:
          void windowFunctionChanged(int index);
          void inputDeviceChanged(int index);
          void outputDeviceChanged(int index);

      private:
          WindowFunction   m_windowFunction;
          QAudioDeviceInfo m_inputDevice;
          QAudioDeviceInfo m_outputDevice;

          QComboBox *m_inputDeviceComboBox;
          QComboBox *m_outputDeviceComboBox;
          QComboBox *m_windowFunctionComboBox;
      };

      #endif // SETTINGSDIALOG_H