MyCom.rar_QT数据采集_metyu4_qt波形_界面 波形_采集界面

/**************************************************************************** ** ** Copyright (C) 2012 Denis Shienkov <[email protected]> ** Copyright (C) 2012 Laszlo Papp <[email protected]> ** Contact: http://www.qt-project.org/legal ** ** This file is part of the QtSerialPort module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL21$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and Digia. For licensing terms and ** conditions see http://qt.digia.com/licensing. For further information ** use the contact form at http://qt.digia.com/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 or version 3 as published by the Free ** Software Foundation and appearing in the file LICENSE.LGPLv21 and ** LICENSE.LGPLv3 included in the packaging of this file. Please review the ** following information to ensure the GNU Lesser General Public License ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Digia gives you certain additional ** rights. These rights are described in the Digia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ //------------------------------------------------- // // Project created by QQ1977800361 2015-04-27T21:34:39 // //----------------------------------------------- #include "settingsdialog.h" #include "ui_settingsdialog.h" #include <QtSerialPort/QSerialPortInfo> #include <QIntValidator> #include <QLineEdit> QT_USE_NAMESPACE static const char blankString[] = QT_TRANSLATE_NOOP("SettingsDialog", "N/A"); SettingsDialog::SettingsDialog(QWidget *parent) : QDialog(parent), ui(new Ui::SettingsDialog) { ui->setupUi(this); //QIntValidator类提供了一个确保一个字符串包含一个在一定有效范围内的整数的验证器。 intValidator = new QIntValidator(0, 4000000, this); //只允许 edit 输入整数0到 4000000 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))); connect(ui->serialPortInfoListBox, SIGNAL(currentIndexChanged(int)), this, SLOT(checkCustomDevicePathPolicy(int))); fillPortsParameters(); fillPortsInfo(); updateSettings(); } SettingsDialog::~SettingsDialog() { delete ui; } SettingsDialog::Settings SettingsDialog::settings() const { return currentSettings; } void SettingsDialog::showPortInfo(int idx) { if (idx == -1) return; QStringList list = ui->serialPortInfoListBox->itemData(idx).toStringList(); ui->descriptionLabel->setText(tr("Description: %1").arg(list.count() > 1 ? list.at(1) : tr(blankString))); ui->manufacturerLabel->setText(tr("Manufacturer: %1").arg(list.count() > 2 ? list.at(2) : tr(blankString))); ui->serialNumberLabel->setText(tr("Serial number: %1").arg(list.count() > 3 ? list.at(3) : tr(blankString))); ui->locationLabel->setText(tr("Location: %1").arg(list.count() > 4 ? list.at(4) : tr(blankString))); ui->vidLabel->setText(tr("Vendor Identifier: %1").arg(list.count() > 5 ? list.at(5) : tr(blankString))); ui->pidLabel->setText(tr("Product Identifier: %1").arg(list.count() > 6 ? list.at(6) : tr(blankString))); } 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); // 只允许 edit 输入整数 0 到 4000000 } } void SettingsDialog::checkCustomDevicePathPolicy(int idx) { bool isCustomPath = !ui->serialPortInfoListBox->itemData(idx).isValid(); ui->serialPortInfoListBox->setEditable(isCustomPath); if (isCustomPath) ui->serialPortInfoListBox->clearEditText(); } void SettingsDialog::fillPortsParameters() { ui->baudRateBox->addItem(QStringLiteral("9600"), QSerialPort::Baud9600); ui->baudRateBox->addItem(QStringLiteral("19200"), QSerialPort::Baud19200); ui->baudRateBox->addItem(QStringLiteral("38400"), QSerialPort::Baud38400); ui->baudRateBox->addItem(QStringLiteral("115200"), QSerialPort::Baud115200); ui->baudRateBox->addItem(tr("Custom")); ui->dataBitsBox->addItem(QStringLiteral("5"), QSerialPort::Data5); ui->dataBitsBox->addItem(QStringLiteral("6"), QSerialPort::Data6); ui->dataBitsBox->addItem(QStringLiteral("7"), QSerialPort::Data7); ui->dataBitsBox->addItem(QStringLiteral("8"), QSerialPort::Data8); ui->dataBitsBox->setCurrentIndex(3); ui->parityBox->addItem(tr("None"), QSerialPort::NoParity); ui->parityBox->addItem(tr("Even"), QSerialPort::EvenParity); ui->parityBox->addItem(tr("Odd"), QSerialPort::OddParity); ui->parityBox->addItem(tr("Mark"), QSerialPort::MarkParity); ui->parityBox->addItem(tr("Space"), QSerialPort::SpaceParity); ui->stopBitsBox->addItem(QStringLiteral("1"), QSerialPort::OneStop); #ifdef Q_OS_WIN ui->stopBitsBox->addItem(tr("1.5"), QSerialPort::OneAndHalfStop); #endif ui->stopBitsBox->addItem(QStringLiteral("2"), QSerialPort::TwoStop); ui->flowControlBox->addItem(tr("None"), QSerialPort::NoFlowControl); ui->flowControlBox->addItem(tr("RTS/CTS"), QSerialPort::HardwareControl); ui->flowControlBox->addItem(tr("XON/XOFF"), QSerialPort::SoftwareControl); } void SettingsDialog::fillPortsInfo() { ui->serialPortInfoListBox->clear(); QString description; QString manufacturer; QString serialNumber; foreach (const QSerialPortInfo &info, QSerialPortInfo::availablePorts()) { QStringList list; description = info.description(); manufacturer = info.manufacturer(); serialNumber = info.serialNumber(); list << info.portName() << (!description.isEmpty() ? description : blankString) << (!manufacturer.isEmpty() ? manufacturer : blankString) << (!serialNumber.isEmpty() ? serialNumber : blankString) << info.systemLocation() << (info.vendorIdentifier() ? QString::number(info.vendorIdentifier(), 16) : blankString) << (info.productIdentifier() ? QString::number(info.productIdentifier(), 16) : blankString); ui->serialPortInfoListBox->addItem(list.first(), list); } ui->serialPortInfoListBox->addItem(tr("Custom")); } 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_