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Diffstat (limited to 'examples/multimedia/spectrum/app/settingsdialog.cpp')
| -rw-r--r-- | examples/multimedia/spectrum/app/settingsdialog.cpp | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/examples/multimedia/spectrum/app/settingsdialog.cpp b/examples/multimedia/spectrum/app/settingsdialog.cpp new file mode 100644 index 000000000..abca69783 --- /dev/null +++ b/examples/multimedia/spectrum/app/settingsdialog.cpp @@ -0,0 +1,148 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** 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 Digia Plc and its Subsidiary(-ies) 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "settingsdialog.h" +#include <QCheckBox> +#include <QComboBox> +#include <QDialogButtonBox> +#include <QLabel> +#include <QPushButton> +#include <QSlider> +#include <QSpinBox> +#include <QVBoxLayout> + +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(), + QVariant::fromValue(device)); + foreach (device, availableOutputDevices) + m_outputDeviceComboBox->addItem(device.deviceName(), + QVariant::fromValue(device)); + + m_windowFunctionComboBox->addItem(tr("None"), QVariant::fromValue(int(NoWindow))); + m_windowFunctionComboBox->addItem("Hann", QVariant::fromValue(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>(); +} + |