(资料图片仅供参考)

#include "connectdialog.h"#include "ui_connectdialog.h"#include ConnectDialog::ConnectDialog(QWidget *parent) :    QDialog(parent),    m_ui(new Ui::ConnectDialog){    m_ui->setupUi(this);    m_ui->errorFilterEdit->setValidator(new QIntValidator(0, 0x1FFFFFFFU, this));    m_ui->loopbackBox->addItem(tr("unspecified"), QVariant());    m_ui->loopbackBox->addItem(tr("false"), QVariant(false));    m_ui->loopbackBox->addItem(tr("true"), QVariant(true));    m_ui->receiveOwnBox->addItem(tr("unspecified"), QVariant());    m_ui->receiveOwnBox->addItem(tr("false"), QVariant(false));    m_ui->receiveOwnBox->addItem(tr("true"), QVariant(true));    m_ui->canFdBox->addItem(tr("false"), QVariant(false));    m_ui->canFdBox->addItem(tr("true"), QVariant(true));    m_ui->dataBitrateBox->setFlexibleDateRateEnabled(true);    connect(m_ui->ok_Button, &QPushButton::clicked, this, &ConnectDialog::ok);    connect(m_ui->cancelButton, &QPushButton::clicked, this, &ConnectDialog::cancel);    connect(m_ui->useConfigurationBox, &QCheckBox::clicked,            m_ui->configurationBox, &QGroupBox::setEnabled);    connect(m_ui->pluginListBox, &QComboBox::currentTextChanged,            this, &ConnectDialog::pluginChanged);    connect(m_ui->interfaceListBox, &QComboBox::currentTextChanged,            this, &ConnectDialog::interfaceChanged);    m_ui->rawFilterEdit->hide();    m_ui->rawFilterLabel->hide();    m_ui->pluginListBox->addItems(QCanBus::instance()->plugins());    updateSettings();}ConnectDialog::~ConnectDialog(){    delete m_ui;}ConnectDialog::Settings ConnectDialog::settings() const{    return m_currentSettings;}void ConnectDialog::pluginChanged(const QString &plugin){    m_ui->interfaceListBox->clear();    m_interfaces = QCanBus::instance()->availableDevices(plugin);    for (const QCanBusDeviceInfo &info : qAsConst(m_interfaces))        m_ui->interfaceListBox->addItem(info.name());}void ConnectDialog::interfaceChanged(const QString &interface){    m_ui->isVirtual->setChecked(false);    m_ui->isFlexibleDataRateCapable->setChecked(false);    for (const QCanBusDeviceInfo &info : qAsConst(m_interfaces)) {        if (info.name() == interface) {            m_ui->descriptionLabel->setText(info.description());            QString serialNumber = info.serialNumber();            if (serialNumber.isEmpty())                serialNumber = tr("n/a");            m_ui->serialNumberLabel->setText(tr("Serial: %1").arg(serialNumber));            m_ui->channelLabel->setText(tr("Channel: %1").arg(info.channel()));            m_ui->isVirtual->setChecked(info.isVirtual());            m_ui->isFlexibleDataRateCapable->setChecked(info.hasFlexibleDataRate());            break;        }    }}void ConnectDialog::ok(){    updateSettings();    accept();}void ConnectDialog::cancel(){    revertSettings();    reject();}QString ConnectDialog::configurationValue(QCanBusDevice::ConfigurationKey key){    QVariant result;    for (const ConfigurationItem &item : qAsConst(m_currentSettings.configurations)) {        if (item.first == key) {            result = item.second;            break;        }    }    if (result.isNull() && (                key == QCanBusDevice::LoopbackKey ||                key == QCanBusDevice::ReceiveOwnKey)) {        return tr("unspecified");    }    return result.toString();}void ConnectDialog::revertSettings(){    m_ui->pluginListBox->setCurrentText(m_currentSettings.pluginName);    m_ui->interfaceListBox->setCurrentText(m_currentSettings.deviceInterfaceName);    m_ui->useConfigurationBox->setChecked(m_currentSettings.useConfigurationEnabled);    QString value = configurationValue(QCanBusDevice::LoopbackKey);    m_ui->loopbackBox->setCurrentText(value);    value = configurationValue(QCanBusDevice::ReceiveOwnKey);    m_ui->receiveOwnBox->setCurrentText(value);    value = configurationValue(QCanBusDevice::ErrorFilterKey);    m_ui->errorFilterEdit->setText(value);    value = configurationValue(QCanBusDevice::BitRateKey);    m_ui->bitrateBox->setCurrentText(value);    value = configurationValue(QCanBusDevice::CanFdKey);    m_ui->canFdBox->setCurrentText(value);    value = configurationValue(QCanBusDevice::DataBitRateKey);    m_ui->dataBitrateBox->setCurrentText(value);}void ConnectDialog::updateSettings(){    m_currentSettings.pluginName = m_ui->pluginListBox->currentText();    m_currentSettings.deviceInterfaceName = m_ui->interfaceListBox->currentText();    m_currentSettings.useConfigurationEnabled = m_ui->useConfigurationBox->isChecked();    if (m_currentSettings.useConfigurationEnabled) {        m_currentSettings.configurations.clear();        // process LoopBack        if (m_ui->loopbackBox->currentIndex() != 0) {            ConfigurationItem item;            item.first = QCanBusDevice::LoopbackKey;            item.second = m_ui->loopbackBox->currentData();            m_currentSettings.configurations.append(item);        }        // process ReceiveOwnKey        if (m_ui->receiveOwnBox->currentIndex() != 0) {            ConfigurationItem item;            item.first = QCanBusDevice::ReceiveOwnKey;            item.second = m_ui->receiveOwnBox->currentData();            m_currentSettings.configurations.append(item);        }        // process error filter        if (!m_ui->errorFilterEdit->text().isEmpty()) {            QString value = m_ui->errorFilterEdit->text();            bool ok = false;            int dec = value.toInt(&ok);            if (ok) {                ConfigurationItem item;                item.first = QCanBusDevice::ErrorFilterKey;                item.second = QVariant::fromValue(QCanBusFrame::FrameErrors(dec));                m_currentSettings.configurations.append(item);            }        }        // process raw filter list        if (!m_ui->rawFilterEdit->text().isEmpty()) {            //TODO current ui not sfficient to reflect this param        }        // process bitrate        const int bitrate = m_ui->bitrateBox->bitRate();        if (bitrate > 0) {            const ConfigurationItem item(QCanBusDevice::BitRateKey, QVariant(bitrate));            m_currentSettings.configurations.append(item);        }        // process CAN FD setting        ConfigurationItem fdItem;        fdItem.first = QCanBusDevice::CanFdKey;        fdItem.second = m_ui->canFdBox->currentData();        m_currentSettings.configurations.append(fdItem);        // process data bitrate        const int dataBitrate = m_ui->dataBitrateBox->bitRate();        if (dataBitrate > 0) {            const ConfigurationItem item(QCanBusDevice::DataBitRateKey, QVariant(dataBitrate));            m_currentSettings.configurations.append(item);        }    }}