Move the QtMultimedia spectrum demo to QtMultimediaKit
Change-Id: I60d7897eb84dfbe2ce5af5adeb23b33270aa7d7c Reviewed-on: http://codereview.qt.nokia.com/1483 Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>
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Michael Goddard
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Qt by Nokia
Qt by Nokia
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1d82a1e1b4
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148
examples/spectrum/app/settingsdialog.cpp
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148
examples/spectrum/app/settingsdialog.cpp
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/****************************************************************************
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**
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** Copyright (C) 2011 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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#include "settingsdialog.h"
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#include <QComboBox>
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#include <QDialogButtonBox>
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#include <QLabel>
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#include <QPushButton>
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#include <QVBoxLayout>
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#include <QCheckBox>
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#include <QSlider>
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#include <QSpinBox>
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SettingsDialog::SettingsDialog(
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const QList<QAudioDeviceInfo> &availableInputDevices,
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const QList<QAudioDeviceInfo> &availableOutputDevices,
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QWidget *parent)
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: QDialog(parent)
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, m_windowFunction(DefaultWindowFunction)
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, m_inputDeviceComboBox(new QComboBox(this))
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, m_outputDeviceComboBox(new QComboBox(this))
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, m_windowFunctionComboBox(new QComboBox(this))
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{
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QVBoxLayout *dialogLayout = new QVBoxLayout(this);
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// Populate combo boxes
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QAudioDeviceInfo device;
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foreach (device, availableInputDevices)
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m_inputDeviceComboBox->addItem(device.deviceName(),
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QVariant::fromValue(device));
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foreach (device, availableOutputDevices)
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m_outputDeviceComboBox->addItem(device.deviceName(),
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QVariant::fromValue(device));
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m_windowFunctionComboBox->addItem(tr("None"), QVariant::fromValue(int(NoWindow)));
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m_windowFunctionComboBox->addItem("Hann", QVariant::fromValue(int(HannWindow)));
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m_windowFunctionComboBox->setCurrentIndex(m_windowFunction);
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// Initialize default devices
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if (!availableInputDevices.empty())
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m_inputDevice = availableInputDevices.front();
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if (!availableOutputDevices.empty())
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m_outputDevice = availableOutputDevices.front();
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// Add widgets to layout
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QScopedPointer<QHBoxLayout> inputDeviceLayout(new QHBoxLayout);
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QLabel *inputDeviceLabel = new QLabel(tr("Input device"), this);
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inputDeviceLayout->addWidget(inputDeviceLabel);
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inputDeviceLayout->addWidget(m_inputDeviceComboBox);
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dialogLayout->addLayout(inputDeviceLayout.data());
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inputDeviceLayout.take(); // ownership transferred to dialogLayout
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QScopedPointer<QHBoxLayout> outputDeviceLayout(new QHBoxLayout);
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QLabel *outputDeviceLabel = new QLabel(tr("Output device"), this);
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outputDeviceLayout->addWidget(outputDeviceLabel);
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outputDeviceLayout->addWidget(m_outputDeviceComboBox);
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dialogLayout->addLayout(outputDeviceLayout.data());
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outputDeviceLayout.take(); // ownership transferred to dialogLayout
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QScopedPointer<QHBoxLayout> windowFunctionLayout(new QHBoxLayout);
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QLabel *windowFunctionLabel = new QLabel(tr("Window function"), this);
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windowFunctionLayout->addWidget(windowFunctionLabel);
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windowFunctionLayout->addWidget(m_windowFunctionComboBox);
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dialogLayout->addLayout(windowFunctionLayout.data());
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windowFunctionLayout.take(); // ownership transferred to dialogLayout
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// Connect
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CHECKED_CONNECT(m_inputDeviceComboBox, SIGNAL(activated(int)),
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this, SLOT(inputDeviceChanged(int)));
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CHECKED_CONNECT(m_outputDeviceComboBox, SIGNAL(activated(int)),
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this, SLOT(outputDeviceChanged(int)));
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CHECKED_CONNECT(m_windowFunctionComboBox, SIGNAL(activated(int)),
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this, SLOT(windowFunctionChanged(int)));
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// Add standard buttons to layout
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QDialogButtonBox *buttonBox = new QDialogButtonBox(this);
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buttonBox->setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
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dialogLayout->addWidget(buttonBox);
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// Connect standard buttons
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CHECKED_CONNECT(buttonBox->button(QDialogButtonBox::Ok), SIGNAL(clicked()),
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this, SLOT(accept()));
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CHECKED_CONNECT(buttonBox->button(QDialogButtonBox::Cancel), SIGNAL(clicked()),
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this, SLOT(reject()));
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setLayout(dialogLayout);
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}
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SettingsDialog::~SettingsDialog()
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{
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}
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void SettingsDialog::windowFunctionChanged(int index)
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{
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m_windowFunction = static_cast<WindowFunction>(
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m_windowFunctionComboBox->itemData(index).value<int>());
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}
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void SettingsDialog::inputDeviceChanged(int index)
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{
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m_inputDevice = m_inputDeviceComboBox->itemData(index).value<QAudioDeviceInfo>();
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}
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void SettingsDialog::outputDeviceChanged(int index)
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{
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m_outputDevice = m_outputDeviceComboBox->itemData(index).value<QAudioDeviceInfo>();
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}
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