dialog.cpp Example File

blockingslave/dialog.cpp
/**************************************************************************** ** ** Copyright (C) 2012 Denis Shienkov <denis.shienkov@gmail.com> ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtSerialPort module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** 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 The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, you may use this file under the terms of the BSD license ** as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/
#include "dialog.h" #include <QComboBox> #include <QGridLayout> #include <QLabel> #include <QLineEdit> #include <QPushButton> #include <QSerialPortInfo> #include <QSpinBox> Dialog::Dialog(QWidget *parent) : QDialog(parent), m_serialPortLabel(new QLabel(tr("Serial port:"))), m_serialPortComboBox(new QComboBox), m_waitRequestLabel(new QLabel(tr("Wait request, msec:"))), m_waitRequestSpinBox(new QSpinBox), m_responseLabel(new QLabel(tr("Response:"))), m_responseLineEdit(new QLineEdit(tr("Hello, I'm Slave."))), m_trafficLabel(new QLabel(tr("No traffic."))), m_statusLabel(new QLabel(tr("Status: Not running."))), m_runButton(new QPushButton(tr("Start"))) { m_waitRequestSpinBox->setRange(0, 10000); m_waitRequestSpinBox->setValue(10000); const auto infos = QSerialPortInfo::availablePorts(); for (const QSerialPortInfo &info : infos) m_serialPortComboBox->addItem(info.portName()); auto mainLayout = new QGridLayout; mainLayout->addWidget(m_serialPortLabel, 0, 0); mainLayout->addWidget(m_serialPortComboBox, 0, 1); mainLayout->addWidget(m_waitRequestLabel, 1, 0); mainLayout->addWidget(m_waitRequestSpinBox, 1, 1); mainLayout->addWidget(m_runButton, 0, 2, 2, 1); mainLayout->addWidget(m_responseLabel, 2, 0); mainLayout->addWidget(m_responseLineEdit, 2, 1, 1, 3); mainLayout->addWidget(m_trafficLabel, 3, 0, 1, 4); mainLayout->addWidget(m_statusLabel, 4, 0, 1, 5); setLayout(mainLayout); setWindowTitle(tr("Blocking Slave")); m_serialPortComboBox->setFocus(); connect(m_runButton, &QPushButton::clicked, this, &Dialog::startSlave); connect(&m_thread, &SlaveThread::request, this,&Dialog::showRequest); connect(&m_thread, &SlaveThread::error, this, &Dialog::processError); connect(&m_thread, &SlaveThread::timeout, this, &Dialog::processTimeout); connect(m_serialPortComboBox, QOverload<const QString &>::of(&QComboBox::currentIndexChanged), this, &Dialog::activateRunButton); connect(m_waitRequestSpinBox, QOverload<const QString &>::of(&QSpinBox::valueChanged), this, &Dialog::activateRunButton); connect(m_responseLineEdit, &QLineEdit::textChanged, this, &Dialog::activateRunButton); } void Dialog::startSlave() { m_runButton->setEnabled(false); m_statusLabel->setText(tr("Status: Running, connected to port %1.") .arg(m_serialPortComboBox->currentText())); m_thread.startSlave(m_serialPortComboBox->currentText(), m_waitRequestSpinBox->value(), m_responseLineEdit->text()); } void Dialog::showRequest(const QString &s) { m_trafficLabel->setText(tr("Traffic, transaction #%1:" "\n\r-request: %2" "\n\r-response: %3") .arg(++m_transactionCount) .arg(s) .arg(m_responseLineEdit->text())); } void Dialog::processError(const QString &s) { activateRunButton(); m_statusLabel->setText(tr("Status: Not running, %1.").arg(s)); m_trafficLabel->setText(tr("No traffic.")); } void Dialog::processTimeout(const QString &s) { m_statusLabel->setText(tr("Status: Running, %1.").arg(s)); m_trafficLabel->setText(tr("No traffic.")); } void Dialog::activateRunButton() { m_runButton->setEnabled(true); }