dialog.cpp Example File

blockingmaster/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 <QLabel> #include <QLineEdit> #include <QComboBox> #include <QSpinBox> #include <QPushButton> #include <QGridLayout> #include <QtSerialPort/QSerialPortInfo> QT_USE_NAMESPACE Dialog::Dialog(QWidget *parent) : QDialog(parent) , transactionCount(0) , serialPortLabel(new QLabel(tr("Serial port:"))) , serialPortComboBox(new QComboBox()) , waitResponseLabel(new QLabel(tr("Wait response, msec:"))) , waitResponseSpinBox(new QSpinBox()) , requestLabel(new QLabel(tr("Request:"))) , requestLineEdit(new QLineEdit(tr("Who are you?"))) , trafficLabel(new QLabel(tr("No traffic."))) , statusLabel(new QLabel(tr("Status: Not running."))) , runButton(new QPushButton(tr("Start"))) { const auto infos = QSerialPortInfo::availablePorts(); for (const QSerialPortInfo &info : infos) serialPortComboBox->addItem(info.portName()); waitResponseSpinBox->setRange(0, 10000); waitResponseSpinBox->setValue(1000); auto mainLayout = new QGridLayout; mainLayout->addWidget(serialPortLabel, 0, 0); mainLayout->addWidget(serialPortComboBox, 0, 1); mainLayout->addWidget(waitResponseLabel, 1, 0); mainLayout->addWidget(waitResponseSpinBox, 1, 1); mainLayout->addWidget(runButton, 0, 2, 2, 1); mainLayout->addWidget(requestLabel, 2, 0); mainLayout->addWidget(requestLineEdit, 2, 1, 1, 3); mainLayout->addWidget(trafficLabel, 3, 0, 1, 4); mainLayout->addWidget(statusLabel, 4, 0, 1, 5); setLayout(mainLayout); setWindowTitle(tr("Blocking Master")); serialPortComboBox->setFocus(); connect(runButton, &QPushButton::clicked, this, &Dialog::transaction); connect(&thread, &MasterThread::response, this, &Dialog::showResponse); connect(&thread, &MasterThread::error, this, &Dialog::processError); connect(&thread, &MasterThread::timeout, this, &Dialog::processTimeout); } void Dialog::transaction() { setControlsEnabled(false); statusLabel->setText(tr("Status: Running, connected to port %1.") .arg(serialPortComboBox->currentText())); thread.transaction(serialPortComboBox->currentText(), waitResponseSpinBox->value(), requestLineEdit->text()); } void Dialog::showResponse(const QString &s) { setControlsEnabled(true); trafficLabel->setText(tr("Traffic, transaction #%1:" "\n\r-request: %2" "\n\r-response: %3") .arg(++transactionCount).arg(requestLineEdit->text()).arg(s)); } void Dialog::processError(const QString &s) { setControlsEnabled(true); statusLabel->setText(tr("Status: Not running, %1.").arg(s)); trafficLabel->setText(tr("No traffic.")); } void Dialog::processTimeout(const QString &s) { setControlsEnabled(true); statusLabel->setText(tr("Status: Running, %1.").arg(s)); trafficLabel->setText(tr("No traffic.")); } void Dialog::setControlsEnabled(bool enable) { runButton->setEnabled(enable); serialPortComboBox->setEnabled(enable); waitResponseSpinBox->setEnabled(enable); requestLineEdit->setEnabled(enable); }