settingsdialog.cpp Example File
terminal/settingsdialog.cpp
#include "settingsdialog.h"
#include "ui_settingsdialog.h"
#include <QtSerialPort/QSerialPortInfo>
#include <QIntValidator>
#include <QLineEdit>
QT_USE_NAMESPACE
SettingsDialog::SettingsDialog(QWidget *parent) :
QDialog(parent),
ui(new Ui::SettingsDialog)
{
ui->setupUi(this);
intValidator = new QIntValidator(0, 4000000, this);
ui->baudRateBox->setInsertPolicy(QComboBox::NoInsert);
connect(ui->applyButton, SIGNAL(clicked()),
this, SLOT(apply()));
connect(ui->serialPortInfoListBox, SIGNAL(currentIndexChanged(int)),
this, SLOT(showPortInfo(int)));
connect(ui->baudRateBox, SIGNAL(currentIndexChanged(int)),
this, SLOT(checkCustomBaudRatePolicy(int)));
fillPortsParameters();
fillPortsInfo();
updateSettings();
}
SettingsDialog::~SettingsDialog()
{
delete ui;
}
SettingsDialog::Settings SettingsDialog::settings() const
{
return currentSettings;
}
void SettingsDialog::showPortInfo(int idx)
{
if (idx != -1) {
QStringList list = ui->serialPortInfoListBox->itemData(idx).toStringList();
ui->descriptionLabel->setText(tr("Description: %1").arg(list.at(1)));
ui->manufacturerLabel->setText(tr("Manufacturer: %1").arg(list.at(2)));
ui->locationLabel->setText(tr("Location: %1").arg(list.at(3)));
ui->vidLabel->setText(tr("Vendor Identifier: %1").arg(list.at(4)));
ui->pidLabel->setText(tr("Product Identifier: %1").arg(list.at(5)));
}
}
void SettingsDialog::apply()
{
updateSettings();
hide();
}
void SettingsDialog::checkCustomBaudRatePolicy(int idx)
{
bool isCustomBaudRate = !ui->baudRateBox->itemData(idx).isValid();
ui->baudRateBox->setEditable(isCustomBaudRate);
if (isCustomBaudRate) {
ui->baudRateBox->clearEditText();
QLineEdit *edit = ui->baudRateBox->lineEdit();
edit->setValidator(intValidator);
}
}
void SettingsDialog::fillPortsParameters()
{
ui->baudRateBox->addItem(QLatin1String("9600"), QSerialPort::Baud9600);
ui->baudRateBox->addItem(QLatin1String("19200"), QSerialPort::Baud19200);
ui->baudRateBox->addItem(QLatin1String("38400"), QSerialPort::Baud38400);
ui->baudRateBox->addItem(QLatin1String("115200"), QSerialPort::Baud115200);
ui->baudRateBox->addItem(QLatin1String("Custom"));
ui->dataBitsBox->addItem(QLatin1String("5"), QSerialPort::Data5);
ui->dataBitsBox->addItem(QLatin1String("6"), QSerialPort::Data6);
ui->dataBitsBox->addItem(QLatin1String("7"), QSerialPort::Data7);
ui->dataBitsBox->addItem(QLatin1String("8"), QSerialPort::Data8);
ui->dataBitsBox->setCurrentIndex(3);
ui->parityBox->addItem(QLatin1String("None"), QSerialPort::NoParity);
ui->parityBox->addItem(QLatin1String("Even"), QSerialPort::EvenParity);
ui->parityBox->addItem(QLatin1String("Odd"), QSerialPort::OddParity);
ui->parityBox->addItem(QLatin1String("Mark"), QSerialPort::MarkParity);
ui->parityBox->addItem(QLatin1String("Space"), QSerialPort::SpaceParity);
ui->stopBitsBox->addItem(QLatin1String("1"), QSerialPort::OneStop);
#ifdef Q_OS_WIN
ui->stopBitsBox->addItem(QLatin1String("1.5"), QSerialPort::OneAndHalfStop);
#endif
ui->stopBitsBox->addItem(QLatin1String("2"), QSerialPort::TwoStop);
ui->flowControlBox->addItem(QLatin1String("None"), QSerialPort::NoFlowControl);
ui->flowControlBox->addItem(QLatin1String("RTS/CTS"), QSerialPort::HardwareControl);
ui->flowControlBox->addItem(QLatin1String("XON/XOFF"), QSerialPort::SoftwareControl);
}
void SettingsDialog::fillPortsInfo()
{
ui->serialPortInfoListBox->clear();
foreach (const QSerialPortInfo &info, QSerialPortInfo::availablePorts()) {
QStringList list;
list << info.portName()
<< info.description()
<< info.manufacturer()
<< info.systemLocation()
<< (info.vendorIdentifier() ? QString::number(info.vendorIdentifier(), 16) : QString())
<< (info.productIdentifier() ? QString::number(info.productIdentifier(), 16) : QString());
ui->serialPortInfoListBox->addItem(list.first(), list);
}
}
void SettingsDialog::updateSettings()
{
currentSettings.name = ui->serialPortInfoListBox->currentText();
if (ui->baudRateBox->currentIndex() == 4) {
currentSettings.baudRate = ui->baudRateBox->currentText().toInt();
} else {
currentSettings.baudRate = static_cast<QSerialPort::BaudRate>(
ui->baudRateBox->itemData(ui->baudRateBox->currentIndex()).toInt());
}
currentSettings.stringBaudRate = QString::number(currentSettings.baudRate);
currentSettings.dataBits = static_cast<QSerialPort::DataBits>(
ui->dataBitsBox->itemData(ui->dataBitsBox->currentIndex()).toInt());
currentSettings.stringDataBits = ui->dataBitsBox->currentText();
currentSettings.parity = static_cast<QSerialPort::Parity>(
ui->parityBox->itemData(ui->parityBox->currentIndex()).toInt());
currentSettings.stringParity = ui->parityBox->currentText();
currentSettings.stopBits = static_cast<QSerialPort::StopBits>(
ui->stopBitsBox->itemData(ui->stopBitsBox->currentIndex()).toInt());
currentSettings.stringStopBits = ui->stopBitsBox->currentText();
currentSettings.flowControl = static_cast<QSerialPort::FlowControl>(
ui->flowControlBox->itemData(ui->flowControlBox->currentIndex()).toInt());
currentSettings.stringFlowControl = ui->flowControlBox->currentText();
currentSettings.localEchoEnabled = ui->localEchoCheckBox->isChecked();
}