5 files changed, 215 insertions, 0 deletions
diff --git a/tests/manual/examples/sender/CMakeLists.txt b/tests/manual/examples/sender/CMakeLists.txt
new file mode 100644
index 00000000..efbd5551
--- /dev/null
+++ b/tests/manual/examples/sender/CMakeLists.txt
@@ -0,0 +1,28 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.16)
+project(sender LANGUAGES CXX)
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/serialport/sender")
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui SerialPort Widgets)
+
+qt_standard_project_setup()
+
+qt_add_executable(sender
+    dialog.cpp dialog.h
+    main.cpp
+)
+
+set_target_properties(sender PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(sender PRIVATE
+    Qt::Core
+    Qt::Gui
+    Qt::SerialPort
+    Qt::Widgets
+)
diff --git a/tests/manual/examples/sender/dialog.cpp b/tests/manual/examples/sender/dialog.cpp
new file mode 100644
index 00000000..d19ec888
--- /dev/null
+++ b/tests/manual/examples/sender/dialog.cpp
@@ -0,0 +1,107 @@
+// 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_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)
+        m_serialPortComboBox->addItem(info.portName());
+
+    m_waitResponseSpinBox->setRange(0, 10000);
+    m_waitResponseSpinBox->setValue(100);
+
+    auto mainLayout = new QGridLayout;
+    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("Sender"));
+    m_serialPortComboBox->setFocus();
+
+    m_timer.setSingleShot(true);
+
+    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 (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;
+        }
+    }
+
+    setControlsEnabled(false);
+    m_statusLabel->setText(tr("Status: Running, connected to port %1.")
+                           .arg(m_serialPortComboBox->currentText()));
+
+    m_serial.write(m_requestLineEdit->text().toUtf8());
+    m_timer.start(m_waitResponseSpinBox->value());
+}
+
+void Dialog::readResponse()
+{
+    m_response.append(m_serial.readAll());
+}
+
+void Dialog::processTimeout()
+{
+    setControlsEnabled(true);
+    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);
+    m_statusLabel->setText(tr("Status: Not running, %1.").arg(error));
+    m_trafficLabel->setText(tr("No traffic."));
+}
+
+void Dialog::setControlsEnabled(bool enable)
+{
+    m_runButton->setEnabled(enable);
+    m_serialPortComboBox->setEnabled(enable);
+    m_waitResponseSpinBox->setEnabled(enable);
+    m_requestLineEdit->setEnabled(enable);
+}
diff --git a/tests/manual/examples/sender/dialog.h b/tests/manual/examples/sender/dialog.h
new file mode 100644
index 00000000..0f049950
--- /dev/null
+++ b/tests/manual/examples/sender/dialog.h
@@ -0,0 +1,54 @@
+// Copyright (C) 2012 Denis Shienkov <denis.shienkov@gmail.com>
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef DIALOG_H
+#define DIALOG_H
+
+#include <QDialog>
+#include <QSerialPort>
+#include <QTimer>
+
+QT_BEGIN_NAMESPACE
+
+class QLabel;
+class QLineEdit;
+class QSpinBox;
+class QPushButton;
+class QComboBox;
+
+QT_END_NAMESPACE
+
+class Dialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit Dialog(QWidget *parent = nullptr);
+
+private slots:
+    void sendRequest();
+    void readResponse();
+    void processTimeout();
+
+private:
+    void setControlsEnabled(bool enable);
+    void processError(const QString &error);
+
+private:
+    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 m_serial;
+    QByteArray m_response;
+    QTimer m_timer;
+};
+
+#endif // DIALOG_H
diff --git a/tests/manual/examples/sender/main.cpp b/tests/manual/examples/sender/main.cpp
new file mode 100644
index 00000000..f08a0eed
--- /dev/null
+++ b/tests/manual/examples/sender/main.cpp
@@ -0,0 +1,14 @@
+// Copyright (C) 2012 Denis Shienkov <denis.shienkov@gmail.com>
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "dialog.h"
+
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    Dialog dialog;
+    dialog.show();
+    return app.exec();
+}
diff --git a/tests/manual/examples/sender/sender.pro b/tests/manual/examples/sender/sender.pro
new file mode 100644
index 00000000..f5fc421f
--- /dev/null
+++ b/tests/manual/examples/sender/sender.pro
@@ -0,0 +1,12 @@
+QT += widgets serialport
+requires(qtConfig(combobox))
+
+TARGET = sender
+TEMPLATE = app
+
+HEADERS += \
+    dialog.h
+
+SOURCES += \
+    main.cpp \
+    dialog.cpp