C++ DeviceList::begin方法代码示例

void
ManageMetronomeDialog::slotPreviewPitch(int pitch)
{
    RG_DEBUG << "ManageMetronomeDialog::slotPreviewPitch";

    DeviceList *devices = m_doc->getStudio().getDevices();
    DeviceListConstIterator it;
    int count = 0;
    Device *dev = 0;

    for (it = devices->begin(); it != devices->end(); it++) {

        dev = *it;
        if (!isSuitable(dev)) continue;

        if (count == m_metronomeDevice->currentIndex()) break;
        count++;
    }

    if (!dev || !isSuitable(dev)) return;

    const MidiMetronome *metronome = getMetronome(dev);
    if (metronome == 0) return;

    InstrumentList list = dev->getPresentationInstruments();

    Instrument *inst =
        list[m_metronomeInstrument->currentIndex()];
    StudioControl::playPreviewNote(inst, pitch, MidiMaxValue, RealTime(0, 10000000));
}

RobotInterface::DeviceList RobotInterface::XMLReader::Private::readDevicesTag(TiXmlElement *devicesElem)
{
    const std::string &valueStr = devicesElem->ValueStr();

    if (valueStr.compare("devices") != 0) {
        SYNTAX_ERROR(devicesElem->Row()) << "Expected \"devices\". Found" << valueStr;
    }

    std::string filename;
    if (devicesElem->QueryStringAttribute("file", &filename) == TIXML_SUCCESS) {
        // yDebug() << "Found devices file [" << filename << "]";
#ifdef WIN32
        std::replace(filename.begin(), filename.end(), '/', '\\');
        filename = path + "\\" + filename;
#else // WIN32
        filename = path + "/" + filename;
#endif //WIN32
        return readDevicesFile(filename);
    }

    std::string robotName;
    if (devicesElem->QueryStringAttribute("robot", &robotName) != TIXML_SUCCESS) {
        SYNTAX_WARNING(devicesElem->Row()) << "\"devices\" element should contain the \"robot\" attribute";
    }

    if (robotName != robot.name()) {
        SYNTAX_WARNING(devicesElem->Row()) << "Trying to import a file for the wrong robot. Found" << robotName << "instead of" << robot.name();
    }

    unsigned int build;
#if TINYXML_UNSIGNED_INT_BUG
    if (devicesElem->QueryUnsignedAttribute("build", &build()) != TIXML_SUCCESS) {
        // No build attribute. Assuming build="0"
        SYNTAX_WARNING(devicesElem->Row()) << "\"devices\" element should contain the \"build\" attribute [unsigned int]. Assuming 0";
    }
#else
    int tmp;
    if (devicesElem->QueryIntAttribute("build", &tmp) != TIXML_SUCCESS || tmp < 0) {
        // No build attribute. Assuming build="0"
        SYNTAX_WARNING(devicesElem->Row()) << "\"devices\" element should contain the \"build\" attribute [unsigned int]. Assuming 0";
        tmp = 0;
    }
    build = (unsigned)tmp;
#endif

    if (build != robot.build()) {
        SYNTAX_WARNING(devicesElem->Row()) << "Import a file for a different robot build. Found" << build << "instead of" << robot.build();
    }

    DeviceList devices;
    for (TiXmlElement* childElem = devicesElem->FirstChildElement(); childElem != 0; childElem = childElem->NextSiblingElement()) {
        DeviceList childDevices = readDevices(childElem);
        for (DeviceList::const_iterator it = childDevices.begin(); it != childDevices.end(); ++it) {
            devices.push_back(*it);
        }
    }

    return devices;
}

//----------------------------------------------------------------------------//
DeviceList InputManager::listFreeDevices()
{
	DeviceList list;
	FactoryList::iterator i = mFactories.begin(), e = mFactories.end();
	for( ; i != e; ++i )
	{
		DeviceList temp = (*i)->freeDeviceList();
		list.insert(temp.begin(), temp.end());
	}

	return list;
}

RobotInterface::Robot& RobotInterface::XMLReader::Private::readRobotTag(TiXmlElement *robotElem)
{
    if (robotElem->ValueStr().compare("robot") != 0) {
        SYNTAX_ERROR(robotElem->Row()) << "Root element should be \"robot\". Found" << robotElem->ValueStr();
    }

    if (robotElem->QueryStringAttribute("name", &robot.name()) != TIXML_SUCCESS) {
        SYNTAX_ERROR(robotElem->Row()) << "\"robot\" element should contain the \"name\" attribute";
    }

#if TINYXML_UNSIGNED_INT_BUG
    if (robotElem->QueryUnsignedAttribute("build", &robot.build()) != TIXML_SUCCESS) {
        // No build attribute. Assuming build="0"
        SYNTAX_WARNING(robotElem->Row()) << "\"robot\" element should contain the \"build\" attribute [unsigned int]. Assuming 0";
    }
#else
    int tmp;
    if (robotElem->QueryIntAttribute("build", &tmp) != TIXML_SUCCESS || tmp < 0) {
        // No build attribute. Assuming build="0"
        SYNTAX_WARNING(robotElem->Row()) << "\"robot\" element should contain the \"build\" attribute [unsigned int]. Assuming 0";
        tmp = 0;
    }
    robot.build() = (unsigned)tmp;
#endif

    if (robotElem->QueryStringAttribute("portprefix", &robot.portprefix()) != TIXML_SUCCESS) {
        SYNTAX_WARNING(robotElem->Row()) << "\"robot\" element should contain the \"portprefix\" attribute. Using \"name\" attribute";
        robot.portprefix() = robot.name();
    }

    // yDebug() << "Found robot [" << robot.name() << "] build [" << robot.build() << "] portprefix [" << robot.portprefix() << "]";

    for (TiXmlElement* childElem = robotElem->FirstChildElement(); childElem != 0; childElem = childElem->NextSiblingElement()) {
        if (childElem->ValueStr().compare("device") == 0 || childElem->ValueStr().compare("devices") == 0) {
            DeviceList childDevices = readDevices(childElem);
            for (DeviceList::const_iterator it = childDevices.begin(); it != childDevices.end(); ++it) {
                robot.devices().push_back(*it);
            }
        } else {
            ParamList childParams = readParams(childElem);
            for (ParamList::const_iterator it = childParams.begin(); it != childParams.end(); ++it) {
                robot.params().push_back(*it);
            }
        }
    }

    return robot;
}

bool
ImportDeviceDialog::importFromRG(QString fileName)
{
    bool skipAutoload = true, clearCommandHistory = false;
    RosegardenDocument fileDoc(RosegardenMainWindow::self(), 0, 
                               skipAutoload, clearCommandHistory);

    if (!fileDoc.openDocument(fileName, false)) {
        return false;
    }

    for (int i = 0; i < (int)m_devices.size(); ++i) delete m_devices[i];
    m_devices.clear();

    DeviceList *list = fileDoc.getStudio().getDevices();
    if (list->size() == 0) {
        return true; // true because we successfully read the document
    }

    for (DeviceListIterator it = list->begin(); it != list->end(); ++it) {

        MidiDevice *device = dynamic_cast<MidiDevice*>(*it);

        if (device) {
            std::vector<MidiBank> banks = device->getBanks();

            // DMM - check for controllers too, because some users have
            // created .rgd files that contain only controllers
            // see bug #1183522
            //
            std::vector<ControlParameter> controllers =
                device->getControlParameters();

            // We've got a bank on a Device fom this file
            // (or a device that contains controllers or key mappings)
            //
            if (banks.size() ||
                controllers.size() ||
                device->getKeyMappings().size()) {
                m_devices.push_back(new MidiDevice(*device));
            }
        }
    }

    return true;
}

SplitByRecordingSrcDialog::SplitByRecordingSrcDialog(QWidget *parent, RosegardenDocument *doc) :
        QDialog(parent)
{
    setModal(true);
    setWindowTitle(tr("Split by Recording Source"));

    QGridLayout *metagrid = new QGridLayout;
    setLayout(metagrid);
    QWidget *vBox = new QWidget(this);
    QVBoxLayout *vBoxLayout = new QVBoxLayout;
    metagrid->addWidget(vBox, 0, 0);


    QGroupBox *groupBox = new QGroupBox( tr("Recording Source"), vBox );
    groupBox->setContentsMargins(10, 10, 10, 10);
    QGridLayout *layout = new QGridLayout(groupBox);
    layout->setSpacing(5);
    vBoxLayout->addWidget(groupBox);
    vBox->setLayout(vBoxLayout);

    layout->addWidget(new QLabel( tr("Channel:"), groupBox ), 0, 0);
    m_channel = new QComboBox( groupBox );
    m_channel->setMaxVisibleItems( 17 );
    layout->addWidget(m_channel, 0, 1);
    QSpacerItem *spacer = new QSpacerItem( 1, 1, QSizePolicy::Expanding, QSizePolicy::Minimum );
    layout->addItem( spacer, 0, 2 );

    m_channel->addItem(tr("any"));
    for (int i = 1; i < 17; ++i) {
        m_channel->addItem(QString::number(i));
    }

    layout->addWidget(new QLabel( tr("Device:"), groupBox ), 1, 0);
    m_device = new QComboBox( groupBox );
    layout->addWidget( m_device, 1, 1, 0+1, 2 - 1+1);

    m_deviceIds.clear();
    m_deviceIds.push_back( -1);
    m_device->addItem(tr("any"));

    DeviceList *devices = doc->getStudio().getDevices();
    DeviceListConstIterator it;
    for (it = devices->begin(); it != devices->end(); it++) {
        MidiDevice *dev =
            dynamic_cast<MidiDevice*>(*it);
        if (dev && dev->getDirection() == MidiDevice::Record) {
            QString label = QString::number(dev->getId());
            label += ": ";
            label += strtoqstr(dev->getName());
            QString connection = RosegardenSequencer::getInstance()->getConnection
                (dev->getId());
            label += " - ";
            if (connection == "")
                label += tr("No connection");
            else
                label += connection;
            m_device->addItem(label);
            m_deviceIds.push_back(dev->getId());
        }
    }

    m_channel->setCurrentIndex(0);
    m_device->setCurrentIndex(0);

    groupBox->setLayout(layout);

    QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel );
    metagrid->addWidget(buttonBox, 1, 0);
    metagrid->setRowStretch(0, 10);
    connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
    connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
}

ManageMetronomeDialog::ManageMetronomeDialog(QWidget *parent,
        RosegardenDocument *doc) :
        QDialog(parent),
        m_doc(doc),
        m_buttonBox(new QDialogButtonBox(QDialogButtonBox::Ok | 
                                         QDialogButtonBox::Close))
{
    setModal(true);
    setWindowTitle(tr("Metronome"));

    QGridLayout *metagrid = new QGridLayout;
    setLayout(metagrid);
    QWidget *hbox = new QWidget(this);
    QHBoxLayout *hboxLayout = new QHBoxLayout;
    hboxLayout->setMargin(0);
    metagrid->addWidget(hbox, 0, 0);

    QWidget *vbox = new QWidget(hbox);
    QVBoxLayout *vboxLayout = new QVBoxLayout;
    vboxLayout->setMargin(0);
    hboxLayout->addWidget(vbox);

    QGroupBox *deviceBox = new QGroupBox( tr("Metronome Instrument"), vbox );
    deviceBox->setContentsMargins(10, 10, 10, 10);
    QGridLayout *deviceBoxLayout = new QGridLayout(deviceBox);
    deviceBoxLayout->setSpacing(5);
    vboxLayout->addWidget(deviceBox);

    deviceBoxLayout->addWidget(new QLabel(tr("Device"), deviceBox), 0, 0);
    m_metronomeDevice = new QComboBox(deviceBox);
    m_metronomeDevice->setToolTip(tr("<qt>Choose the device you want to use to play the metronome</qt>"));
    deviceBoxLayout->addWidget(m_metronomeDevice, 0, 1);

    DeviceList *devices = doc->getStudio().getDevices();
    DeviceListConstIterator it;

    Studio &studio = m_doc->getStudio();
    DeviceId deviceId = studio.getMetronomeDevice();

    for (it = devices->begin(); it != devices->end(); it++) {

        Device *dev = *it;
        bool hasConnection = false;
        if (!isSuitable(dev, &hasConnection)) continue;

        QString label = QObject::tr(dev->getName().c_str());
        // connections imply some untranslatable external string
        QString connection = RosegardenSequencer::getInstance()->getConnection
            (dev->getId());

        if (hasConnection && connection != "") {
            label = tr("%1 - %2").arg(label).arg(connection);
        } else if (!hasConnection) {
            label = tr("%1 - No connection").arg(label);
        }
        m_metronomeDevice->addItem(label);
        if (dev->getId() == deviceId) {
            m_metronomeDevice->setCurrentIndex(m_metronomeDevice->count() - 1);
        }
    }

    deviceBoxLayout->addWidget(new QLabel(tr("Instrument"), deviceBox), 1, 0);
    m_metronomeInstrument = new QComboBox(deviceBox);
    m_metronomeInstrument->setToolTip(tr("<qt>Choose the instrument you want to use to play the metronome (typically #10)</qt>"));
    connect(m_metronomeInstrument, SIGNAL(activated(int)), this, SLOT(slotSetModified()));
    deviceBoxLayout->addWidget(m_metronomeInstrument, 1, 1);
    deviceBox->setLayout(deviceBoxLayout);

    QGroupBox *beatBox = new QGroupBox( tr("Beats"), vbox );
    beatBox->setContentsMargins(10, 10, 10, 10);
    QGridLayout *beatBoxLayout = new QGridLayout(beatBox);
    beatBoxLayout->setSpacing(5);
    vboxLayout->addWidget(beatBox);

    beatBoxLayout->addWidget(new QLabel(tr("Resolution"), beatBox), 0, 0);
    m_metronomeResolution = new QComboBox(beatBox);
    m_metronomeResolution->setToolTip(tr("<qt>The metronome can sound bars only, bars and beats, or bars, beats and sub-beats.  The latter mode can be particularly useful for playing in compound time signatures like 12/8.</qt>"));
    m_metronomeResolution->addItem(tr("None"));
    m_metronomeResolution->addItem(tr("Bars only"));
    m_metronomeResolution->addItem(tr("Bars and beats"));
    m_metronomeResolution->addItem(tr("Bars, beats, and sub-beats"));
    connect(m_metronomeResolution, SIGNAL(activated(int)), this, SLOT(slotResolutionChanged(int)));
    beatBoxLayout->addWidget(m_metronomeResolution, 0, 1);

    beatBoxLayout->addWidget(new QLabel(tr("Bar velocity"), beatBox), 1, 0);
    m_metronomeBarVely = new QSpinBox(beatBox);
    m_metronomeBarVely->setToolTip(tr("<qt>Controls how forcefully the bar division notes will be struck.  (These are typically the loudest of all.)</qt>"));
    m_metronomeBarVely->setMinimum(0);
    m_metronomeBarVely->setMaximum(127);
    connect(m_metronomeBarVely, SIGNAL(valueChanged(int)), this, SLOT(slotSetModified()));
    beatBoxLayout->addWidget(m_metronomeBarVely, 1, 1);

    beatBoxLayout->addWidget(new QLabel(tr("Beat velocity"), beatBox), 2, 0);
    m_metronomeBeatVely = new QSpinBox(beatBox);
    m_metronomeBeatVely->setToolTip(tr("<qt>Controls how forcefully the beat division notes will be struck.  (These are typically more quiet than beat division notes.)</qt>"));
    m_metronomeBeatVely->setMinimum(0);
    m_metronomeBeatVely->setMaximum(127);
    connect(m_metronomeBeatVely, SIGNAL(valueChanged(int)), this, SLOT(slotSetModified()));
    beatBoxLayout->addWidget(m_metronomeBeatVely, 2, 1);

//.........这里部分代码省略.........

void
ManageMetronomeDialog::slotApply()
{
    Studio &studio = m_doc->getStudio();

    DeviceList *devices = m_doc->getStudio().getDevices();
    DeviceListConstIterator it;
    int count = 0;
    Device *dev = 0;

    for (it = devices->begin(); it != devices->end(); it++) {

        dev = *it;
        if (!isSuitable(dev)) continue;

        if (count == m_metronomeDevice->currentIndex()) break;
        count++;
    }

    if (!dev || !isSuitable(dev)) {
        RG_WARNING << "Warning: ManageMetronomeDialog::slotApply: no " << m_metronomeDevice->currentIndex() << "th device";
        return ;
    }

    DeviceId deviceId = dev->getId();
    studio.setMetronomeDevice(deviceId);

    if (getMetronome(dev) == 0) {
        RG_WARNING << "Warning: ManageMetronomeDialog::slotApply: unable to extract metronome from device " << deviceId;
        return ;
    }
    MidiMetronome metronome(*getMetronome(dev));

    // get instrument
    InstrumentList list = dev->getPresentationInstruments();

    Instrument *inst =
        list[m_metronomeInstrument->currentIndex()];

    if (inst) {
        metronome.setInstrument(inst->getId());
    }

    metronome.setBarPitch(m_barPitch);
    metronome.setBeatPitch(m_beatPitch);
    metronome.setSubBeatPitch(m_subBeatPitch);

    metronome.setDepth(
        m_metronomeResolution->currentIndex());

    metronome.setBarVelocity(
        MidiByte(m_metronomeBarVely->value()));

    metronome.setBeatVelocity(
        MidiByte(m_metronomeBeatVely->value()));

    metronome.setSubBeatVelocity(
        MidiByte(m_metronomeSubBeatVely->value()));

    setMetronome(dev, metronome);

    m_doc->getComposition().setPlayMetronome(m_playEnabled->isChecked());
    m_doc->getComposition().setRecordMetronome(m_recordEnabled->isChecked());

    m_doc->getSequenceManager()->metronomeChanged(inst->getId(), true);
    m_doc->slotDocumentModified();
    setModified(false);
}

void
ManageMetronomeDialog::populate(int deviceIndex)
{
    m_metronomeInstrument->clear();

    DeviceList *devices = m_doc->getStudio().getDevices();
    DeviceListConstIterator it;
    int count = 0;
    Device *dev = 0;

    for (it = devices->begin(); it != devices->end(); it++) {

        dev = *it;
        if (!isSuitable(dev)) continue;

        if (count == deviceIndex) break;
        count++;
    }

    // sanity
    if (count < 0 || dev == 0 || !isSuitable(dev)) {
        return ;
    }

    // populate instrument list
    InstrumentList list = dev->getPresentationInstruments();
    InstrumentList::iterator iit;

    const MidiMetronome *metronome = getMetronome(dev);

    // if we've got no metronome against this device then create one
    if (metronome == 0) {
        InstrumentId id = SystemInstrumentBase;

        for (iit = list.begin(); iit != list.end(); ++iit) {
            if ((*iit)->isPercussion()) {
                id = (*iit)->getId();
                break;
            }
        }

        setMetronome(dev, MidiMetronome(id));

        metronome = getMetronome(dev);
    }

    // metronome should now be set but we still check it
    if (metronome) {
        int position = 0;
        int count = 0;

        for (iit = list.begin(); iit != list.end(); ++iit) {

            QString iname(QObject::tr((*iit)->getName().c_str()));
            QString ipname((*iit)->getLocalizedPresentationName());
            QString programName(QObject::tr((*iit)->getProgramName().c_str()));

            QString text;

            if ((*iit)->getType() == Instrument::SoftSynth) {

                iname.replace(QObject::tr("Synth plugin "), "");
                programName = "";

                AudioPluginInstance *plugin = (*iit)->getPlugin
                    (Instrument::SYNTH_PLUGIN_POSITION);
                if (plugin)
                    programName = strtoqstr(plugin->getDisplayName());

            } else {

                iname = ipname;
            }

            if (programName != "") {
                text = tr("%1 (%2)").arg(iname).arg(programName);
            } else {
                text = iname;
            }

            m_metronomeInstrument->addItem(text);

            if ((*iit)->getId() == metronome->getInstrument()) {
                position = count;
            }
            count++;
        }
        m_metronomeInstrument->setCurrentIndex(position);

        m_barPitch = metronome->getBarPitch();
        m_beatPitch = metronome->getBeatPitch();
        m_subBeatPitch = metronome->getSubBeatPitch();
        slotPitchSelectorChanged(0);
        m_metronomeResolution->setCurrentIndex(metronome->getDepth());
        m_metronomeBarVely->setValue(metronome->getBarVelocity());
        m_metronomeBeatVely->setValue(metronome->getBeatVelocity());
        m_metronomeSubBeatVely->setValue(metronome->getSubBeatVelocity());
        m_playEnabled->setChecked(m_doc->getComposition().usePlayMetronome());
        m_recordEnabled->setChecked(m_doc->getComposition().useRecordMetronome());
        slotResolutionChanged(metronome->getDepth());
//.........这里部分代码省略.........

void
PartitionCoreModule::doInit()
{
    FileSystemFactory::init();

    using DeviceList = QList< Device* >;

    CoreBackend* backend = CoreBackendManager::self()->backend();
    DeviceList devices = backend->scanDevices( true );

    cDebug() << "Winnowing" << devices.count() << "devices.";

    // Remove the device which contains / from the list
    for ( DeviceList::iterator it = devices.begin(); it != devices.end(); )
        if ( ! (*it) || hasRootPartition( *it ) ||
             (*it)->deviceNode().startsWith( "/dev/zram") ||
             isIso9660( *it ) )
        {
            cDebug() << "  .. Winnowing" << ( (*it) ? (*it)->deviceNode() : QString( "<null device>" ) );
            it = devices.erase( it );
        }
        else
            ++it;

    cDebug() << "LIST OF DETECTED DEVICES:";
    cDebug() << "node\tcapacity\tname\tprettyName";
    for ( auto device : devices )
    {
        auto deviceInfo = new DeviceInfo( device );
        m_deviceInfos << deviceInfo;
        cDebug() << device->deviceNode() << device->capacity() << device->name() << device->prettyName();
    }
    cDebug() << ".." << devices.count() << "devices detected.";
    m_deviceModel->init( devices );

    // The following PartUtils::runOsprober call in turn calls PartUtils::canBeResized,
    // which relies on a working DeviceModel.
    m_osproberLines = PartUtils::runOsprober( this );

    // We perform a best effort of filling out filesystem UUIDs in m_osproberLines
    // because we will need them later on in PartitionModel if partition paths
    // change.
    // It is a known fact that /dev/sda1-style device paths aren't persistent
    // across reboots (and this doesn't affect us), but partition numbers can also
    // change at runtime against our will just for shits and giggles.
    // But why would that ever happen? What system could possibly be so poorly
    // designed that it requires a partition path rearrangement at runtime?
    // Logical partitions on an MSDOS disklabel of course.
    // See DeletePartitionJob::updatePreview.
    for ( auto deviceInfo : m_deviceInfos )
    {
        for ( auto it = PartitionIterator::begin( deviceInfo->device.data() );
              it != PartitionIterator::end( deviceInfo->device.data() ); ++it )
        {
            Partition* partition = *it;
            for ( auto jt = m_osproberLines.begin();
                  jt != m_osproberLines.end(); ++jt )
            {
                if ( jt->path == partition->partitionPath() &&
                     partition->fileSystem().supportGetUUID() != FileSystem::cmdSupportNone &&
                     !partition->fileSystem().uuid().isEmpty() )
                {
                    jt->uuid = partition->fileSystem().uuid();
                }
            }
        }
    }

    for ( auto deviceInfo : m_deviceInfos )
    {
        deviceInfo->partitionModel->init( deviceInfo->device.data(), m_osproberLines );
    }

    m_bootLoaderModel->init( devices );

    if ( QDir( "/sys/firmware/efi/efivars" ).exists() )
        scanForEfiSystemPartitions(); //FIXME: this should be removed in favor of
                                      //       proper KPM support for EFI
}