demos/spectrum/app/settingsdialog.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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**   * Redistributions of source code must retain the above copyright
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**     notice, this list of conditions and the following disclaimer.
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**   * Redistributions in binary form must reproduce the above copyright
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**     notice, this list of conditions and the following disclaimer in
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**     the documentation and/or other materials provided with the
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**     distribution.
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**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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**     the names of its contributors may be used to endorse or promote
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**     products derived from this software without specific prior written
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**     permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef SETTINGSDIALOG_H
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#define SETTINGSDIALOG_H
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#include "spectrum.h"
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#include <QDialog>
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#include <QtMultimedia/QAudioDeviceInfo>
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QT_FORWARD_DECLARE_CLASS(QComboBox)
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QT_FORWARD_DECLARE_CLASS(QCheckBox)
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QT_FORWARD_DECLARE_CLASS(QSlider)
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QT_FORWARD_DECLARE_CLASS(QSpinBox)
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QT_FORWARD_DECLARE_CLASS(QGridLayout)
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/**
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 * Dialog used to control settings such as the audio input / output device
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 * and the windowing function.
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 */
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class SettingsDialog : public QDialog {
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    Q_OBJECT
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public:
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    SettingsDialog(const QList<QAudioDeviceInfo> &availableInputDevices,
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                   const QList<QAudioDeviceInfo> &availableOutputDevices,
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                   QWidget *parent = 0);
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    ~SettingsDialog();
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    WindowFunction windowFunction() const           { return m_windowFunction; }
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    const QAudioDeviceInfo& inputDevice() const     { return m_inputDevice; }
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    const QAudioDeviceInfo& outputDevice() const    { return m_outputDevice; }
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private slots:
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    void windowFunctionChanged(int index);
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    void inputDeviceChanged(int index);
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    void outputDeviceChanged(int index);
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private:
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    WindowFunction   m_windowFunction;
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    QAudioDeviceInfo m_inputDevice;
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    QAudioDeviceInfo m_outputDevice;
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    QComboBox*      m_inputDeviceComboBox;
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    QComboBox*      m_outputDeviceComboBox;
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    QComboBox*      m_windowFunctionComboBox;
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};
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#endif // SETTINGSDIALOG_H