tonegeneratordialog.h Example File

demos/spectrum/app/tonegeneratordialog.h
 /****************************************************************************
 **
 ** Copyright (C) 2015 The Qt Company Ltd.
 ** Contact: http://www.qt.io/licensing/
 **
 ** This file is part of the examples of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** You may use this file under the terms of the BSD license as follows:
 **
 ** "Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of The Qt Company Ltd nor the names of its
 **     contributors may be used to endorse or promote products derived
 **     from this software without specific prior written permission.
 **
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #ifndef TONEGENERATORDIALOG_H
 #define TONEGENERATORDIALOG_H

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

 QT_FORWARD_DECLARE_CLASS(QCheckBox)
 QT_FORWARD_DECLARE_CLASS(QSlider)
 QT_FORWARD_DECLARE_CLASS(QSpinBox)
 QT_FORWARD_DECLARE_CLASS(QGridLayout)

 /**
  * Dialog which controls the parameters of the tone generator.
  */
 class ToneGeneratorDialog : public QDialog {
     Q_OBJECT
 public:
     ToneGeneratorDialog(QWidget *parent = 0);
     ~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;
     qreal           m_frequency;
     QSlider*        m_amplitudeSlider;

 };

 #endif // TONEGENERATORDIALOG_H