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Diffstat (limited to 'examples/serialport/blockingreceiver/dialog.cpp')
| -rw-r--r-- | examples/serialport/blockingreceiver/dialog.cpp | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/examples/serialport/blockingreceiver/dialog.cpp b/examples/serialport/blockingreceiver/dialog.cpp new file mode 100644 index 0000000..fb6940a --- /dev/null +++ b/examples/serialport/blockingreceiver/dialog.cpp @@ -0,0 +1,141 @@ +/**************************************************************************** +** +** 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 the receiver."))), + 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 Receiver")); + m_serialPortComboBox->setFocus(); + + connect(m_runButton, &QPushButton::clicked, this, &Dialog::startReceiver); + connect(&m_thread, &ReceiverThread::request, this,&Dialog::showRequest); + connect(&m_thread, &ReceiverThread::error, this, &Dialog::processError); + connect(&m_thread, &ReceiverThread::timeout, this, &Dialog::processTimeout); + + connect(m_serialPortComboBox, &QComboBox::currentIndexChanged, this, &Dialog::activateRunButton); + connect(m_waitRequestSpinBox, &QSpinBox::textChanged, this, &Dialog::activateRunButton); + connect(m_responseLineEdit, &QLineEdit::textChanged, this, &Dialog::activateRunButton); +} + +void Dialog::startReceiver() +{ + m_runButton->setEnabled(false); + m_statusLabel->setText(tr("Status: Running, connected to port %1.") + .arg(m_serialPortComboBox->currentText())); + m_thread.startReceiver(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); +} |