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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
