1 files changed, 47 insertions, 0 deletions
diff --git a/examples/multimedia/spectrum/tonegeneratordialog.h b/examples/multimedia/spectrum/tonegeneratordialog.h
new file mode 100644
index 000000000..2b0aed501
--- /dev/null
+++ b/examples/multimedia/spectrum/tonegeneratordialog.h
@@ -0,0 +1,47 @@
+// Copyright (C) 2017 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef TONEGENERATORDIALOG_H
+#define TONEGENERATORDIALOG_H
+
+#include "spectrum.h"
+
+#include <QAudioDevice>
+#include <QDialog>
+
+QT_BEGIN_NAMESPACE
+class QCheckBox;
+class QSlider;
+class QSpinBox;
+class QGridLayout;
+QT_END_NAMESPACE
+
+/**
+ * Dialog which controls the parameters of the tone generator.
+ */
+class ToneGeneratorDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit ToneGeneratorDialog(QWidget *parent = nullptr);
+    ~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;
+    QSlider *m_amplitudeSlider;
+};
+
+#endif // TONEGENERATORDIALOG_H