diff options
Diffstat (limited to 'tests/manual/examples/receiver/dialog.cpp')
-rw-r--r-- | tests/manual/examples/receiver/dialog.cpp | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/tests/manual/examples/receiver/dialog.cpp b/tests/manual/examples/receiver/dialog.cpp new file mode 100644 index 00000000..51e18ea8 --- /dev/null +++ b/tests/manual/examples/receiver/dialog.cpp @@ -0,0 +1,106 @@ +// Copyright (C) 2012 Denis Shienkov <denis.shienkov@gmail.com> +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#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(20); + + 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("Receiver")); + m_serialPortComboBox->setFocus(); + + m_timer.setSingleShot(true); + + connect(m_runButton, &QPushButton::clicked, this, &Dialog::startReceiver); + connect(&m_serial, &QSerialPort::readyRead, this, &Dialog::readRequest); + connect(&m_timer, &QTimer::timeout, this, &Dialog::processTimeout); + + connect(m_serialPortComboBox, &QComboBox::currentIndexChanged, this, &Dialog::activateRunButton); + connect(m_waitRequestSpinBox, &QSpinBox::valueChanged, this, &Dialog::activateRunButton); + connect(m_responseLineEdit, &QLineEdit::textChanged, this, &Dialog::activateRunButton); +} + +void Dialog::startReceiver() +{ + if (m_serial.portName() != m_serialPortComboBox->currentText()) { + m_serial.close(); + m_serial.setPortName(m_serialPortComboBox->currentText()); + + if (!m_serial.open(QIODevice::ReadWrite)) { + processError(tr("Can't open %1, error code %2") + .arg(m_serial.portName()).arg(m_serial.error())); + return; + } + } + + m_runButton->setEnabled(false); + m_statusLabel->setText(tr("Status: Running, connected to port %1.") + .arg(m_serialPortComboBox->currentText())); +} + +void Dialog::readRequest() +{ + if (!m_timer.isActive()) + m_timer.start(m_waitRequestSpinBox->value()); + m_request.append(m_serial.readAll()); +} + +void Dialog::processTimeout() +{ + m_serial.write(m_responseLineEdit->text().toUtf8()); + + m_trafficLabel->setText(tr("Traffic, transaction #%1:" + "\n\r-request: %2" + "\n\r-response: %3") + .arg(++m_transactionCount).arg(QString::fromUtf8(m_request)) + .arg(m_responseLineEdit->text())); + m_request.clear(); +} + +void Dialog::activateRunButton() +{ + m_runButton->setEnabled(true); +} + +void Dialog::processError(const QString &s) +{ + activateRunButton(); + m_statusLabel->setText(tr("Status: Not running, %1.").arg(s)); + m_trafficLabel->setText(tr("No traffic.")); +} |