Qt Reference Documentation

settingsdialog.h Example File

demos/spectrum/app/settingsdialog.h
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 #ifndef SETTINGSDIALOG_H
 #define SETTINGSDIALOG_H

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

 QT_FORWARD_DECLARE_CLASS(QComboBox)
 QT_FORWARD_DECLARE_CLASS(QCheckBox)
 QT_FORWARD_DECLARE_CLASS(QSlider)
 QT_FORWARD_DECLARE_CLASS(QSpinBox)
 QT_FORWARD_DECLARE_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
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