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#include <QtGui>
#include "window.h"
Window::Window()
{
setupUi();
updateWidgets();
connect(Phonon::BackendCapabilities::notifier(),
SIGNAL(capabilitiesChanged()), this, SLOT(updateWidgets()));
connect(Phonon::BackendCapabilities::notifier(),
SIGNAL(availableAudioOutputDevicesChanged()), SLOT(updateWidgets()));
}
void Window::updateWidgets()
{
devicesListView->setModel(new QStandardItemModel());
Phonon::ObjectDescriptionModel<Phonon::AudioOutputDeviceType> *model =
new Phonon::ObjectDescriptionModel<Phonon::AudioOutputDeviceType>();
model->setModelData(Phonon::BackendCapabilities::availableAudioOutputDevices());
devicesListView->setModel(model);
mimeListWidget->clear();
QStringList mimeTypes =
Phonon::BackendCapabilities::availableMimeTypes();
foreach (QString mimeType, mimeTypes) {
QListWidgetItem *item = new QListWidgetItem(mimeListWidget);
item->setText(mimeType);
}
effectsTreeWidget->clear();
QList<Phonon::EffectDescription> effects =
Phonon::BackendCapabilities::availableAudioEffects();
foreach (Phonon::EffectDescription effect, effects) {
QTreeWidgetItem *item = new QTreeWidgetItem(effectsTreeWidget);
item->setText(0, tr("Effect"));
item->setText(1, effect.name());
item->setText(2, effect.description());
Phonon::Effect *instance = new Phonon::Effect(effect, this);
QList<Phonon::EffectParameter> parameters = instance->parameters();
for (int i = 0; i < parameters.size(); ++i) {
Phonon::EffectParameter parameter = parameters.at(i);
QVariant defaultValue = parameter.defaultValue();
QVariant minimumValue = parameter.minimumValue();
QVariant maximumValue = parameter.maximumValue();
QString valueString = QString("%1 / %2 / %3")
.arg(defaultValue.toString()).arg(minimumValue.toString())
.arg(maximumValue.toString());
QTreeWidgetItem *parameterItem = new QTreeWidgetItem(item);
parameterItem->setText(0, tr("Parameter"));
parameterItem->setText(1, parameter.name());
parameterItem->setText(2, parameter.description());
parameterItem->setText(3, QVariant::typeToName(parameter.type()));
parameterItem->setText(4, valueString);
}
}
for (int i = 0; i < effectsTreeWidget->columnCount(); ++i) {
if (i == 0)
effectsTreeWidget->setColumnWidth(0, 150);
else if (i == 2)
effectsTreeWidget->setColumnWidth(2, 350);
else
effectsTreeWidget->resizeColumnToContents(i);
}
}
void Window::setupUi()
{
setupBackendBox();
QLayout *layout = new QVBoxLayout;
layout->addWidget(backendBox);
setLayout(layout);
setWindowTitle(tr("Backend Capabilities Example"));
}
void Window::setupBackendBox()
{
backendBox = new QGroupBox(tr("Backend Capabilities"));
devicesLabel = new QLabel(tr("Available Audio Devices:"));
devicesListView = new QListView;
mimeTypesLabel = new QLabel(tr("Supported MIME Types:"));
mimeListWidget = new QListWidget;
effectsLabel = new QLabel(tr("Available Audio Effects:"));
QStringList headerLabels;
headerLabels << tr("Type") << tr("Name") << tr("Description") <<
tr("Value Type") << tr("Default/Min/Max Values");
effectsTreeWidget = new QTreeWidget;
effectsTreeWidget->setHeaderLabels(headerLabels);
effectsTreeWidget->setColumnCount(5);
QGridLayout *layout = new QGridLayout;
layout->addWidget(devicesLabel, 0, 0);
layout->addWidget(devicesListView, 1, 0);
layout->addWidget(mimeTypesLabel, 0, 1);
layout->addWidget(mimeListWidget, 1, 1);
layout->addWidget(effectsLabel, 2, 0);
layout->addWidget(effectsTreeWidget, 3, 0, 2, 2);
layout->setRowStretch(3, 100);
backendBox = new QGroupBox(tr("Backend Capabilities"));
backendBox->setLayout(layout);
}</pre>
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distrib
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Mandriva
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current
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i586
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media
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main-updates
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by-pkgid
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8e6051afcdb111a0317a58fb64c2abf5
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files
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