settingsdialog.h Example File

demos/spectrum/app/settingsdialog.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 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