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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "settingsdialog.h"
+#include <QComboBox>
+#include <QDialogButtonBox>
+#include <QLabel>
+#include <QPushButton>
+#include <QVBoxLayout>
+#include <QCheckBox>
+#include <QSlider>
+#include <QSpinBox>
+
+SettingsDialog::SettingsDialog(
+ const QList<QAudioDeviceInfo> &availableInputDevices,
+ const QList<QAudioDeviceInfo> &availableOutputDevices,
+ QWidget *parent)
+ : QDialog(parent)
+ , m_windowFunction(DefaultWindowFunction)
+ , m_inputDeviceComboBox(new QComboBox(this))
+ , m_outputDeviceComboBox(new QComboBox(this))
+ , m_windowFunctionComboBox(new QComboBox(this))
+{
+ QVBoxLayout *dialogLayout = new QVBoxLayout(this);
+
+ // Populate combo boxes
+
+ QAudioDeviceInfo device;
+ foreach (device, availableInputDevices)
+ m_inputDeviceComboBox->addItem(device.deviceName(),
+ qVariantFromValue(device));
+ foreach (device, availableOutputDevices)
+ m_outputDeviceComboBox->addItem(device.deviceName(),
+ qVariantFromValue(device));
+
+ m_windowFunctionComboBox->addItem(tr("None"), qVariantFromValue(int(NoWindow)));
+ m_windowFunctionComboBox->addItem("Hann", qVariantFromValue(int(HannWindow)));
+ m_windowFunctionComboBox->setCurrentIndex(m_windowFunction);
+
+ // Initialize default devices
+ if (!availableInputDevices.empty())
+ m_inputDevice = availableInputDevices.front();
+ if (!availableOutputDevices.empty())
+ m_outputDevice = availableOutputDevices.front();
+
+ // Add widgets to layout
+
+ QScopedPointer<QHBoxLayout> inputDeviceLayout(new QHBoxLayout);
+ QLabel *inputDeviceLabel = new QLabel(tr("Input device"), this);
+ inputDeviceLayout->addWidget(inputDeviceLabel);
+ inputDeviceLayout->addWidget(m_inputDeviceComboBox);
+ dialogLayout->addLayout(inputDeviceLayout.data());
+ inputDeviceLayout.take(); // ownership transferred to dialogLayout
+
+ QScopedPointer<QHBoxLayout> outputDeviceLayout(new QHBoxLayout);
+ QLabel *outputDeviceLabel = new QLabel(tr("Output device"), this);
+ outputDeviceLayout->addWidget(outputDeviceLabel);
+ outputDeviceLayout->addWidget(m_outputDeviceComboBox);
+ dialogLayout->addLayout(outputDeviceLayout.data());
+ outputDeviceLayout.take(); // ownership transferred to dialogLayout
+
+ QScopedPointer<QHBoxLayout> windowFunctionLayout(new QHBoxLayout);
+ QLabel *windowFunctionLabel = new QLabel(tr("Window function"), this);
+ windowFunctionLayout->addWidget(windowFunctionLabel);
+ windowFunctionLayout->addWidget(m_windowFunctionComboBox);
+ dialogLayout->addLayout(windowFunctionLayout.data());
+ windowFunctionLayout.take(); // ownership transferred to dialogLayout
+
+ // Connect
+ CHECKED_CONNECT(m_inputDeviceComboBox, SIGNAL(activated(int)),
+ this, SLOT(inputDeviceChanged(int)));
+ CHECKED_CONNECT(m_outputDeviceComboBox, SIGNAL(activated(int)),
+ this, SLOT(outputDeviceChanged(int)));
+ CHECKED_CONNECT(m_windowFunctionComboBox, SIGNAL(activated(int)),
+ this, SLOT(windowFunctionChanged(int)));
+
+ // Add standard buttons to layout
+ QDialogButtonBox *buttonBox = new QDialogButtonBox(this);
+ buttonBox->setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
+ dialogLayout->addWidget(buttonBox);
+
+ // Connect standard buttons
+ CHECKED_CONNECT(buttonBox->button(QDialogButtonBox::Ok), SIGNAL(clicked()),
+ this, SLOT(accept()));
+ CHECKED_CONNECT(buttonBox->button(QDialogButtonBox::Cancel), SIGNAL(clicked()),
+ this, SLOT(reject()));
+
+ setLayout(dialogLayout);
+}
+
+SettingsDialog::~SettingsDialog()
+{
+
+}
+
+void SettingsDialog::windowFunctionChanged(int index)
+{
+ m_windowFunction = static_cast<WindowFunction>(
+ m_windowFunctionComboBox->itemData(index).value<int>());
+}
+
+void SettingsDialog::inputDeviceChanged(int index)
+{
+ m_inputDevice = m_inputDeviceComboBox->itemData(index).value<QAudioDeviceInfo>();
+}
+
+void SettingsDialog::outputDeviceChanged(int index)
+{
+ m_outputDevice = m_outputDeviceComboBox->itemData(index).value<QAudioDeviceInfo>();
+}
+