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    37 

    38 #ifndef TONEGENERATORDIALOG_H

    39 #define TONEGENERATORDIALOG_H

    40 

    41 #include "spectrum.h"

    42 #include <QDialog>

    43 #include <QtMultimedia/QAudioDeviceInfo>

    44 

    45 class QCheckBox;

    46 class QSlider;

    47 class QSpinBox;

    48 class QGridLayout;

    49 

    50 /**

    51  * Dialog which controls the parameters of the tone generator.

    52  */

    53 class ToneGeneratorDialog : public QDialog {

    54     Q_OBJECT

    55 public:

    56     ToneGeneratorDialog(QWidget *parent = 0);

    57     ~ToneGeneratorDialog();

    58 

    59     bool isFrequencySweepEnabled() const;

    60     qreal frequency() const;

    61     qreal amplitude() const;

    62 

    63 private slots:

    64     void frequencySweepEnabled(bool enabled);

    65 

    66 private:

    67     QCheckBox*      m_toneGeneratorSweepCheckBox;

    68     bool            m_frequencySweepEnabled;

    69     QWidget*        m_toneGeneratorControl;

    70     QWidget*        m_toneGeneratorFrequencyControl;

    71     QSlider*        m_frequencySlider;

    72     QSpinBox*       m_frequencySpinBox;

    73     qreal           m_frequency;

    74     QSlider*        m_amplitudeSlider;

    75 

    76 };

    77 

    78 #endif // TONEGENERATORDIALOG_H