From 2098f98997b82358ede6994f2e1d0a27ade30b1e Mon Sep 17 00:00:00 2001 From: Denis Shienkov Date: Wed, 27 Sep 2017 18:50:11 +0300 Subject: Revamp the Non-Blocking Master Example MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * Use the 'm_' prefixes for all class members. * Use more member class initializations. * Remove QT_USE_NAMESPACE macro. * Use from(to)Utf8 instead of from(to)Local8Bit. Task-number: QTBUG-60652 Change-Id: Ibdc607653d8727b88d4e041d0a9eb0a96e3289d7 Reviewed-by: André Hartmann Reviewed-by: Alex Blasche --- examples/serialport/master/dialog.cpp | 113 +++++++++++++++++----------------- examples/serialport/master/dialog.h | 31 +++++----- examples/serialport/master/main.cpp | 4 +- 3 files changed, 72 insertions(+), 76 deletions(-) (limited to 'examples') diff --git a/examples/serialport/master/dialog.cpp b/examples/serialport/master/dialog.cpp index 4bed08b..e12d837 100644 --- a/examples/serialport/master/dialog.cpp +++ b/examples/serialport/master/dialog.cpp @@ -50,106 +50,105 @@ #include "dialog.h" +#include +#include #include #include -#include -#include #include -#include +#include +#include -#include - -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"))) +Dialog::Dialog(QWidget *parent) : + QDialog(parent), + m_transactionCount(0), + m_serialPortLabel(new QLabel(tr("Serial port:"))), + m_serialPortComboBox(new QComboBox), + m_waitResponseLabel(new QLabel(tr("Wait response, msec:"))), + m_waitResponseSpinBox(new QSpinBox), + m_requestLabel(new QLabel(tr("Request:"))), + m_requestLineEdit(new QLineEdit(tr("Who are you?"))), + m_trafficLabel(new QLabel(tr("No traffic."))), + m_statusLabel(new QLabel(tr("Status: Not running."))), + m_runButton(new QPushButton(tr("Start"))) { const auto infos = QSerialPortInfo::availablePorts(); for (const QSerialPortInfo &info : infos) - serialPortComboBox->addItem(info.portName()); + m_serialPortComboBox->addItem(info.portName()); - waitResponseSpinBox->setRange(0, 10000); - waitResponseSpinBox->setValue(100); + m_waitResponseSpinBox->setRange(0, 10000); + m_waitResponseSpinBox->setValue(100); 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); + mainLayout->addWidget(m_serialPortLabel, 0, 0); + mainLayout->addWidget(m_serialPortComboBox, 0, 1); + mainLayout->addWidget(m_waitResponseLabel, 1, 0); + mainLayout->addWidget(m_waitResponseSpinBox, 1, 1); + mainLayout->addWidget(m_runButton, 0, 2, 2, 1); + mainLayout->addWidget(m_requestLabel, 2, 0); + mainLayout->addWidget(m_requestLineEdit, 2, 1, 1, 3); + mainLayout->addWidget(m_trafficLabel, 3, 0, 1, 4); + mainLayout->addWidget(m_statusLabel, 4, 0, 1, 5); setLayout(mainLayout); setWindowTitle(tr("Master")); - serialPortComboBox->setFocus(); + m_serialPortComboBox->setFocus(); - timer.setSingleShot(true); + m_timer.setSingleShot(true); - connect(runButton, &QPushButton::clicked, this, &Dialog::sendRequest); - connect(&serial, &QSerialPort::readyRead, this, &Dialog::readResponse); - connect(&timer, &QTimer::timeout, this, &Dialog::processTimeout); + connect(m_runButton, &QPushButton::clicked, this, &Dialog::sendRequest); + connect(&m_serial, &QSerialPort::readyRead, this, &Dialog::readResponse); + connect(&m_timer, &QTimer::timeout, this, &Dialog::processTimeout); } void Dialog::sendRequest() { - if (serial.portName() != serialPortComboBox->currentText()) { - serial.close(); - serial.setPortName(serialPortComboBox->currentText()); + if (m_serial.portName() != m_serialPortComboBox->currentText()) { + m_serial.close(); + m_serial.setPortName(m_serialPortComboBox->currentText()); - if (!serial.open(QIODevice::ReadWrite)) { + if (!m_serial.open(QIODevice::ReadWrite)) { processError(tr("Can't open %1, error code %2") - .arg(serial.portName()).arg(serial.error())); + .arg(m_serial.portName()).arg(m_serial.error())); return; } } setControlsEnabled(false); - statusLabel->setText(tr("Status: Running, connected to port %1.") - .arg(serialPortComboBox->currentText())); + m_statusLabel->setText(tr("Status: Running, connected to port %1.") + .arg(m_serialPortComboBox->currentText())); - serial.write(requestLineEdit->text().toLocal8Bit()); - timer.start(waitResponseSpinBox->value()); + m_serial.write(m_requestLineEdit->text().toUtf8()); + m_timer.start(m_waitResponseSpinBox->value()); } void Dialog::readResponse() { - response.append(serial.readAll()); + m_response.append(m_serial.readAll()); } void Dialog::processTimeout() { setControlsEnabled(true); - trafficLabel->setText(tr("Traffic, transaction #%1:" - "\n\r-request: %2" - "\n\r-response: %3") - .arg(++transactionCount).arg(requestLineEdit->text()).arg(QString(response))); - response.clear(); + m_trafficLabel->setText(tr("Traffic, transaction #%1:" + "\n\r-request: %2" + "\n\r-response: %3") + .arg(++m_transactionCount) + .arg(m_requestLineEdit->text()) + .arg(QString::fromUtf8(m_response))); + m_response.clear(); } void Dialog::processError(const QString &error) { setControlsEnabled(true); - statusLabel->setText(tr("Status: Not running, %1.").arg(error)); - trafficLabel->setText(tr("No traffic.")); + m_statusLabel->setText(tr("Status: Not running, %1.").arg(error)); + m_trafficLabel->setText(tr("No traffic.")); } void Dialog::setControlsEnabled(bool enable) { - runButton->setEnabled(enable); - serialPortComboBox->setEnabled(enable); - waitResponseSpinBox->setEnabled(enable); - requestLineEdit->setEnabled(enable); + m_runButton->setEnabled(enable); + m_serialPortComboBox->setEnabled(enable); + m_waitResponseSpinBox->setEnabled(enable); + m_requestLineEdit->setEnabled(enable); } diff --git a/examples/serialport/master/dialog.h b/examples/serialport/master/dialog.h index 0bc1241..2fb2e8e 100644 --- a/examples/serialport/master/dialog.h +++ b/examples/serialport/master/dialog.h @@ -52,12 +52,9 @@ #define DIALOG_H #include +#include #include -#include - -QT_USE_NAMESPACE - QT_BEGIN_NAMESPACE class QLabel; @@ -85,20 +82,20 @@ private: void processError(const QString &error); private: - int transactionCount; - QLabel *serialPortLabel; - QComboBox *serialPortComboBox; - QLabel *waitResponseLabel; - QSpinBox *waitResponseSpinBox; - QLabel *requestLabel; - QLineEdit *requestLineEdit; - QLabel *trafficLabel; - QLabel *statusLabel; - QPushButton *runButton; + int m_transactionCount = 0; + QLabel *m_serialPortLabel = nullptr; + QComboBox *m_serialPortComboBox = nullptr; + QLabel *m_waitResponseLabel = nullptr; + QSpinBox *m_waitResponseSpinBox = nullptr; + QLabel *m_requestLabel = nullptr; + QLineEdit *m_requestLineEdit = nullptr; + QLabel *m_trafficLabel = nullptr; + QLabel *m_statusLabel = nullptr; + QPushButton *m_runButton = nullptr; - QSerialPort serial; - QByteArray response; - QTimer timer; + QSerialPort m_serial; + QByteArray m_response; + QTimer m_timer; }; #endif // DIALOG_H diff --git a/examples/serialport/master/main.cpp b/examples/serialport/master/main.cpp index cf4c421..8e68c73 100644 --- a/examples/serialport/master/main.cpp +++ b/examples/serialport/master/main.cpp @@ -48,10 +48,10 @@ ** ****************************************************************************/ -#include - #include "dialog.h" +#include + int main(int argc, char *argv[]) { QApplication app(argc, argv); 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