In directory /test added simple GUI application (guiapp) for testing library.

11 files changed, 1049 insertions, 0 deletions

diff --git a/tests/guiapp/guiapp.pro b/tests/guiapp/guiapp.pro
new file mode 100644
index 00000000..415a32e5
--- /dev/null
+++ b/tests/guiapp/guiapp.pro
@@ -0,0 +1,38 @@
+QT += core gui
+TEMPLATE = app
+
+INCLUDEPATH += \
+    ../../include \
+    ../../src
+
+HEADERS += \
+    ../../include/serialport.h \
+    ../../include/serialportinfo.h
+
+include(../../src/src.pri)
+
+SOURCES += main.cpp\
+    mainwidget.cpp \
+    optionswidget.cpp \
+    tracewidget.cpp
+HEADERS += mainwidget.h \
+    optionswidget.h \
+    tracewidget.h
+FORMS += mainwidget.ui \
+    optionswidget.ui \
+    tracewidget.ui
+
+CONFIG(debug, debug|release) {
+    DESTDIR = debug
+    TARGET = guiappd
+} else {
+    DESTDIR = release
+    TARGET = guiapp
+}
+
+win32 {
+    LIBS += -lsetupapi -luuid -ladvapi32
+}
+unix:!macx {
+    LIBS += -ludev
+}
diff --git a/tests/guiapp/main.cpp b/tests/guiapp/main.cpp
new file mode 100644
index 00000000..0f3e0205
--- /dev/null
+++ b/tests/guiapp/main.cpp
@@ -0,0 +1,11 @@
+#include <QtGui/QApplication>
+#include "mainwidget.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    MainWidget w;
+    w.show();
+
+    return a.exec();
+}
diff --git a/tests/guiapp/mainwidget.cpp b/tests/guiapp/mainwidget.cpp
new file mode 100644
index 00000000..f44e6352
--- /dev/null
+++ b/tests/guiapp/mainwidget.cpp
@@ -0,0 +1,135 @@
+#include <QtCore/QStringList>
+//#include <QtCore/QDebug>
+
+#include "mainwidget.h"
+#include "ui_mainwidget.h"
+#include "optionswidget.h"
+#include "tracewidget.h"
+
+#include "serialportinfo.h"
+#include "serialport.h"
+
+
+/* Public methods */
+
+
+MainWidget::MainWidget(QWidget *parent)
+    : QWidget(parent)
+    , ui(new Ui::MainWidget)
+    , m_optionsWidget(0)
+    , m_traceWidget(0)
+    , m_port(0)
+{
+    ui->setupUi(this);
+    m_port = new SerialPort(this);
+
+    procShowPorts();
+    procItemPortChanged(ui->boxName->currentIndex());
+
+    connect(ui->boxName, SIGNAL(currentIndexChanged(int)), this, SLOT(procItemPortChanged(int)));
+    connect(ui->controlButton, SIGNAL(clicked()), this, SLOT(procControlButtonClick()));
+    connect(ui->optionsButton, SIGNAL(clicked()), this, SLOT(procOptionsButtonClick()));
+    connect(ui->ioButton, SIGNAL(clicked()), this, SLOT(procIOButtonClick()));
+}
+
+MainWidget::~MainWidget()
+{
+    if (m_port->isOpen())
+        m_port->close();
+    if (m_optionsWidget)
+        delete m_optionsWidget;
+    if (m_traceWidget)
+        delete m_traceWidget;
+    delete ui;
+}
+
+
+/* Protected methods */
+
+
+void MainWidget::changeEvent(QEvent *e)
+{
+    QWidget::changeEvent(e);
+    switch (e->type()) {
+    case QEvent::LanguageChange:
+        ui->retranslateUi(this);
+        break;
+    default:
+        break;
+    }
+}
+
+
+/* Private slots */
+
+
+void MainWidget::procShowPorts()
+{
+    ui->boxName->clear();
+    foreach(SerialPortInfo inf, SerialPortInfo::availablePorts()) {
+        QStringList sl;
+        sl << inf.systemLocation() << inf.description() << inf.manufacturer();
+        ui->boxName->addItem(inf.portName(), QVariant(sl));
+    }
+}
+
+void MainWidget::procItemPortChanged(int idx)
+{
+    QStringList sl = ui->boxName->itemData(idx).toStringList();
+    ui->lbLocation->setText(sl.at(0));
+    ui->lbDescr->setText(sl.at(1));
+    ui->lbMfg->setText(sl.at(2));
+}
+
+void MainWidget::procControlButtonClick()
+{
+    if (m_port->isOpen()) {
+        m_port->close();
+        ui->controlButton->setText(tr("Open"));
+        ui->optionsButton->setEnabled(false);
+        ui->ioButton->setEnabled(false);
+        ui->rtsButton->setEnabled(false);
+        ui->dtrButton->setEnabled(false);
+        ui->boxName->setEnabled(true);
+    }
+    else {
+        m_port->setPort(ui->boxName->currentText());
+        if (m_port->open(QIODevice::ReadWrite)) {
+            ui->controlButton->setText(tr("Close"));
+            ui->optionsButton->setEnabled(true);
+            ui->ioButton->setEnabled(true);
+            ui->rtsButton->setEnabled(true);
+            ui->dtrButton->setEnabled(true);
+            ui->boxName->setEnabled(false);
+        }
+    }
+}
+
+void MainWidget::procOptionsButtonClick()
+{
+    if (!m_optionsWidget)
+        m_optionsWidget = new OptionsWidget(m_port);
+    m_optionsWidget->show();
+}
+
+void MainWidget::procIOButtonClick()
+{
+    if (!m_traceWidget)
+        m_traceWidget = new TraceWidget(m_port);
+    m_traceWidget->show();
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/guiapp/mainwidget.h b/tests/guiapp/mainwidget.h
new file mode 100644
index 00000000..4f249006
--- /dev/null
+++ b/tests/guiapp/mainwidget.h
@@ -0,0 +1,40 @@
+#ifndef MAINWIDGET_H
+#define MAINWIDGET_H
+
+#include <QtGui/QWidget>
+
+namespace Ui {
+    class MainWidget;
+}
+
+class SerialPort;
+class OptionsWidget;
+class TraceWidget;
+
+class MainWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit MainWidget(QWidget *parent = 0);
+    ~MainWidget();
+
+protected:
+    void changeEvent(QEvent *e);
+
+private slots:
+    void procShowPorts();
+    void procItemPortChanged(int idx);
+
+    void procControlButtonClick();
+    void procOptionsButtonClick();
+    void procIOButtonClick();
+
+private:
+    Ui::MainWidget *ui;
+    OptionsWidget *m_optionsWidget;
+    TraceWidget *m_traceWidget;
+    SerialPort *m_port;
+
+};
+
+#endif // MAINWIDGET_H
diff --git a/tests/guiapp/mainwidget.ui b/tests/guiapp/mainwidget.ui
new file mode 100644
index 00000000..69847f57
--- /dev/null
+++ b/tests/guiapp/mainwidget.ui
@@ -0,0 +1,263 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWidget</class>
+ <widget class="QWidget" name="MainWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>344</width>
+    <height>207</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Simple GUI application for demonstrating the use of QSerialDevice.</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout_2">
+   <item row="0" column="0">
+    <widget class="QPushButton" name="controlButton">
+     <property name="text">
+      <string>Open</string>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="1" rowspan="3">
+    <widget class="QGroupBox" name="groupBox">
+     <property name="title">
+      <string>Available ports:</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout">
+      <item row="0" column="0">
+       <widget class="QLabel" name="label_1">
+        <property name="text">
+         <string>Name:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="1">
+       <widget class="QComboBox" name="boxName"/>
+      </item>
+      <item row="1" column="0">
+       <widget class="QLabel" name="label_2">
+        <property name="text">
+         <string>Location:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="1">
+       <widget class="QLabel" name="lbLocation">
+        <property name="text">
+         <string>***</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="0">
+       <widget class="QLabel" name="label_3">
+        <property name="text">
+         <string>Description:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="1">
+       <widget class="QLabel" name="lbDescr">
+        <property name="text">
+         <string>***</string>
+        </property>
+       </widget>
+      </item>
+      <item row="3" column="0">
+       <widget class="QLabel" name="label_4">
+        <property name="text">
+         <string>Manufacturer:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="3" column="1">
+       <widget class="QLabel" name="lbMfg">
+        <property name="text">
+         <string>***</string>
+        </property>
+       </widget>
+      </item>
+      <item row="4" column="0">
+       <widget class="QLabel" name="label_5">
+        <property name="text">
+         <string>Busy:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="4" column="1">
+       <widget class="QLabel" name="lbBusy">
+        <property name="text">
+         <string>***</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item row="1" column="0">
+    <widget class="QPushButton" name="optionsButton">
+     <property name="enabled">
+      <bool>false</bool>
+     </property>
+     <property name="text">
+      <string>Options</string>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="0">
+    <widget class="QPushButton" name="ioButton">
+     <property name="enabled">
+      <bool>false</bool>
+     </property>
+     <property name="text">
+      <string>Input/Output</string>
+     </property>
+    </widget>
+   </item>
+   <item row="3" column="0">
+    <widget class="QPushButton" name="rtsButton">
+     <property name="enabled">
+      <bool>false</bool>
+     </property>
+     <property name="text">
+      <string>Set RTS</string>
+     </property>
+    </widget>
+   </item>
+   <item row="3" column="1">
+    <widget class="QLabel" name="lineLabel">
+     <property name="text">
+      <string>Serial lines states</string>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignCenter</set>
+     </property>
+    </widget>
+   </item>
+   <item row="4" column="0">
+    <widget class="QPushButton" name="dtrButton">
+     <property name="enabled">
+      <bool>false</bool>
+     </property>
+     <property name="text">
+      <string>Set DTR</string>
+     </property>
+    </widget>
+   </item>
+   <item row="4" column="1">
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="Line" name="line1">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="dsrLabel">
+       <property name="text">
+        <string>DSR</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="Line" name="line2">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="dtrLabel">
+       <property name="text">
+        <string>DTR</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="Line" name="line">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="ctsLabel">
+       <property name="text">
+        <string>CTS</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="Line" name="line_2">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="rtsLabel">
+       <property name="text">
+        <string>RTS</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="Line" name="line_3">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="dcdLabel">
+       <property name="text">
+        <string>DCD</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="Line" name="line3">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="ringLabel">
+       <property name="text">
+        <string>RING</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="Line" name="line_4">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="leLabel">
+       <property name="text">
+        <string>LE</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="Line" name="line_5">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/tests/guiapp/optionswidget.cpp b/tests/guiapp/optionswidget.cpp
new file mode 100644
index 00000000..c47be9a7
--- /dev/null
+++ b/tests/guiapp/optionswidget.cpp
@@ -0,0 +1,249 @@
+#include <QtGui/QMessageBox>
+
+#include "optionswidget.h"
+#include "ui_optionswidget.h"
+
+#include "serialport.h"
+
+
+/* Public methods */
+
+
+OptionsWidget::OptionsWidget(SerialPort *port, QWidget *parent)
+    : QWidget(parent)
+    , ui(new Ui::OptionsWidget)
+    , m_port(port)
+    , m_rate(0), m_data(0), m_parity(0), m_stop(0), m_flow(0), m_policy(0)
+{
+    ui->setupUi(this);
+    procFillingOptions();
+
+    connect(ui->applyButton, SIGNAL(clicked()), this, SLOT(procApplyButtonClick()));
+}
+
+OptionsWidget::~OptionsWidget()
+{
+    delete ui;
+}
+
+
+/* Protected methods. */
+
+
+void OptionsWidget::showEvent(QShowEvent *e)
+{
+    Q_UNUSED(e)
+    detectOptions();
+}
+
+
+/* Private slots */
+
+
+void OptionsWidget::procFillingOptions()
+{
+    ui->baudBox->addItem(tr("9600"), SerialPort::Rate9600);
+    ui->baudBox->addItem(tr("19200"), SerialPort::Rate19200);
+    ui->baudBox->addItem(tr("38400"), SerialPort::Rate38400);
+    ui->baudBox->addItem(tr("57600"), SerialPort::Rate57600);
+    ui->baudBox->addItem(tr("115200"), SerialPort::Rate115200);
+    ui->baudBox->addItem(tr("Unknown"), SerialPort::UnknownRate);
+
+    ui->dataBox->addItem(tr("5"), SerialPort::Data5);
+    ui->dataBox->addItem(tr("6"), SerialPort::Data6);
+    ui->dataBox->addItem(tr("7"), SerialPort::Data7);
+    ui->dataBox->addItem(tr("8"), SerialPort::Data8);
+    ui->dataBox->addItem(tr("Unknown"), SerialPort::UnknownDataBits);
+
+    ui->parityBox->addItem(tr("None"), SerialPort::NoParity);
+    ui->parityBox->addItem(tr("Even"), SerialPort::EvenParity);
+    ui->parityBox->addItem(tr("Odd"), SerialPort::OddParity);
+    ui->parityBox->addItem(tr("Mark"), SerialPort::MarkParity);
+    ui->parityBox->addItem(tr("Space"), SerialPort::SpaceParity);
+    ui->parityBox->addItem(tr("Unknown"), SerialPort::UnknownParity);
+
+    ui->stopBox->addItem(tr("1"), SerialPort::OneStop);
+    ui->stopBox->addItem(tr("1.5"), SerialPort::OneAndHalfStop);
+    ui->stopBox->addItem(tr("2"), SerialPort::TwoStop);
+    ui->stopBox->addItem(tr("Unknown"), SerialPort::UnknownStopBits);
+
+    ui->flowBox->addItem(tr("Off"), SerialPort::NoFlowControl);
+    ui->flowBox->addItem(tr("Hardware"), SerialPort::HardwareControl);
+    ui->flowBox->addItem(tr("Software"), SerialPort::SoftwareControl);
+    ui->flowBox->addItem(tr("Unknown"), SerialPort::UnknownFlowControl);
+
+    ui->policyBox->addItem(tr("Skip"), SerialPort::SkipPolicy);
+    ui->policyBox->addItem(tr("PassZero"), SerialPort::PassZeroPolicy);
+    ui->policyBox->addItem(tr("Ignore"), SerialPort::IgnorePolicy);
+    ui->policyBox->addItem(tr("StopReceiving"), SerialPort::StopReceivingPolicy);
+    ui->policyBox->addItem(tr("Unknown"), SerialPort::UnknownPolicy);
+}
+
+void OptionsWidget::procApplyButtonClick()
+{
+    bool ok;
+    bool hasChanged = false;
+
+    int val = ui->baudBox->itemData(ui->baudBox->currentIndex()).toInt(&ok);
+    if (val != m_rate) {
+        m_port->setRate(SerialPort::Rate(val));
+        hasChanged = true;
+    }
+
+    val = ui->dataBox->itemData(ui->dataBox->currentIndex()).toInt(&ok);
+    if (val != m_data) {
+        m_port->setDataBits(SerialPort::DataBits(val));
+        hasChanged = true;
+    }
+
+    val = ui->parityBox->itemData(ui->parityBox->currentIndex()).toInt(&ok);
+    if (val != m_parity) {
+        m_port->setParity(SerialPort::Parity(val));
+        hasChanged = true;
+    }
+
+    val = ui->stopBox->itemData(ui->stopBox->currentIndex()).toInt(&ok);
+    if (val != m_stop) {
+        m_port->setStopBits(SerialPort::StopBits(val));
+        hasChanged = true;
+    }
+
+    val = ui->flowBox->itemData(ui->flowBox->currentIndex()).toInt(&ok);
+    if (val != m_flow) {
+        m_port->setFlowControl(SerialPort::FlowControl(val));
+        hasChanged = true;
+    }
+
+    val = ui->policyBox->itemData(ui->policyBox->currentIndex()).toInt(&ok);
+    if (val != m_policy) {
+        m_port->setDataErrorPolicy(SerialPort::DataErrorPolicy(val));
+        hasChanged = true;
+    }
+
+    if (hasChanged)
+        detectOptions();
+}
+
+
+/* Private methods */
+
+
+void OptionsWidget::detectOptions()
+{
+    m_rate = m_port->rate();
+    switch (m_rate) {
+    case SerialPort::Rate9600:
+    case SerialPort::Rate19200:
+    case SerialPort::Rate38400:
+    case SerialPort::Rate57600:
+    case SerialPort::Rate115200:
+        break;
+    default: m_rate = SerialPort::UnknownRate;
+    }
+    int count = ui->baudBox->count();
+    for (int i = 0; i < count; ++i) {
+        bool ok;
+        if (ui->baudBox->itemData(i).toInt(&ok) == m_rate) {
+            ui->baudBox->setCurrentIndex(i);
+            break;
+        }
+    }
+
+    m_data = m_port->dataBits();
+    switch (m_data) {
+    case SerialPort::Data5:
+    case SerialPort::Data6:
+    case SerialPort::Data7:
+    case SerialPort::Data8:
+        break;
+    default: m_data = SerialPort::UnknownDataBits;
+    }
+    count = ui->dataBox->count();
+    for (int i = 0; i < count; ++i) {
+        bool ok;
+        if (ui->dataBox->itemData(i).toInt(&ok) == m_data) {
+            ui->dataBox->setCurrentIndex(i);
+            break;
+        }
+    }
+
+    m_parity = m_port->parity();
+    switch (m_parity) {
+    case SerialPort::NoParity:
+    case SerialPort::EvenParity:
+    case SerialPort::OddParity:
+    case SerialPort::MarkParity:
+    case SerialPort::SpaceParity:
+        break;
+    default: m_parity = SerialPort::UnknownParity;
+    }
+    count = ui->parityBox->count();
+    for (int i = 0; i < count; ++i) {
+        bool ok;
+        if (ui->parityBox->itemData(i).toInt(&ok) == m_parity) {
+            ui->parityBox->setCurrentIndex(i);
+            break;
+        }
+    }
+
+    m_stop = m_port->stopBits();
+    switch (m_stop) {
+    case SerialPort::OneStop:
+    case SerialPort::OneAndHalfStop:
+    case SerialPort::TwoStop:
+        break;
+    default: m_stop = SerialPort::UnknownStopBits;
+    }
+    count = ui->stopBox->count();
+    for (int i = 0; i < count; ++i) {
+        bool ok;
+        if (ui->stopBox->itemData(i).toInt(&ok) == m_stop) {
+            ui->stopBox->setCurrentIndex(i);
+            break;
+        }
+    }
+
+    m_flow = m_port->flowControl();
+    switch (m_flow) {
+    case SerialPort::NoFlowControl:
+    case SerialPort::HardwareControl:
+    case SerialPort::SoftwareControl:
+        break;
+    default: m_flow = SerialPort::UnknownFlowControl;
+    }
+    count = ui->flowBox->count();
+    for (int i = 0; i < count; ++i) {
+        bool ok;
+        if (ui->flowBox->itemData(i).toInt(&ok) == m_flow) {
+            ui->flowBox->setCurrentIndex(i);
+            break;
+        }
+    }
+
+    m_policy = m_port->dataErrorPolicy();
+    switch (m_policy) {
+    case SerialPort::PassZeroPolicy:
+    case SerialPort::IgnorePolicy:
+    case SerialPort::StopReceivingPolicy:
+        break;
+    default: m_flow = SerialPort::UnknownPolicy;
+    }
+    count = ui->policyBox->count();
+    for (int i = 0; i < count; ++i) {
+        bool ok;
+        if (ui->policyBox->itemData(i).toInt(&ok) == m_policy) {
+            ui->policyBox->setCurrentIndex(i);
+            break;
+        }
+    }
+}
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/guiapp/optionswidget.h b/tests/guiapp/optionswidget.h
new file mode 100644
index 00000000..063bc5b6
--- /dev/null
+++ b/tests/guiapp/optionswidget.h
@@ -0,0 +1,39 @@
+#ifndef OPTIONSWIDGET_H
+#define OPTIONSWIDGET_H
+
+#include <QtGui/QWidget>
+
+namespace Ui {
+    class OptionsWidget;
+}
+
+class SerialPort;
+
+class OptionsWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit OptionsWidget(SerialPort *port, QWidget *parent = 0);
+    ~OptionsWidget();
+
+protected:
+    void showEvent(QShowEvent *e);
+
+private slots:
+    void procFillingOptions();
+    void procApplyButtonClick();
+
+private:
+    Ui::OptionsWidget *ui;
+    SerialPort *m_port;
+    int m_rate;
+    int m_data;
+    int m_parity;
+    int m_stop;
+    int m_flow;
+    int m_policy;
+
+    void detectOptions();
+};
+
+#endif // OPTIONSWIDGET_H
diff --git a/tests/guiapp/optionswidget.ui b/tests/guiapp/optionswidget.ui
new file mode 100644
index 00000000..9bce9295
--- /dev/null
+++ b/tests/guiapp/optionswidget.ui
@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>OptionsWidget</class>
+ <widget class="QWidget" name="OptionsWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>161</width>
+    <height>197</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0">
+    <widget class="QLabel" name="Label1">
+     <property name="text">
+      <string>Baud rate:</string>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="1">
+    <widget class="QComboBox" name="baudBox"/>
+   </item>
+   <item row="1" column="0">
+    <widget class="QLabel" name="Label2">
+     <property name="text">
+      <string>Data bits:</string>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="1">
+    <widget class="QComboBox" name="dataBox"/>
+   </item>
+   <item row="2" column="0">
+    <widget class="QLabel" name="Label3">
+     <property name="text">
+      <string>Parity:</string>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="1">
+    <widget class="QComboBox" name="parityBox"/>
+   </item>
+   <item row="3" column="0">
+    <widget class="QLabel" name="Label4">
+     <property name="text">
+      <string>Stop bits:</string>
+     </property>
+    </widget>
+   </item>
+   <item row="3" column="1">
+    <widget class="QComboBox" name="stopBox"/>
+   </item>
+   <item row="4" column="0">
+    <widget class="QLabel" name="Label5">
+     <property name="text">
+      <string>Flow control:</string>
+     </property>
+    </widget>
+   </item>
+   <item row="4" column="1">
+    <widget class="QComboBox" name="flowBox"/>
+   </item>
+   <item row="5" column="0">
+    <widget class="QLabel" name="Label6">
+     <property name="text">
+      <string>Policy:</string>
+     </property>
+    </widget>
+   </item>
+   <item row="5" column="1">
+    <widget class="QComboBox" name="policyBox"/>
+   </item>
+   <item row="6" column="1">
+    <widget class="QPushButton" name="applyButton">
+     <property name="enabled">
+      <bool>true</bool>
+     </property>
+     <property name="text">
+      <string>Apply</string>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/tests/guiapp/tracewidget.cpp b/tests/guiapp/tracewidget.cpp
new file mode 100644
index 00000000..b194dafb
--- /dev/null
+++ b/tests/guiapp/tracewidget.cpp
@@ -0,0 +1,79 @@
+#include <QtGui/QScrollBar>
+
+#include "tracewidget.h"
+#include "ui_tracewidget.h"
+
+#include "serialport.h"
+
+
+/* Public methods */
+
+
+TraceWidget::TraceWidget(SerialPort *port, QWidget *parent)
+    : QWidget(parent)
+    , ui(new Ui::TraceWidget)
+    , m_port(port)
+{
+    ui->setupUi(this);
+    ui->textEdit->document()->setMaximumBlockCount(100);
+
+    connect(ui->sendButton, SIGNAL(clicked()), this, SLOT(procSendButtonClick()));
+    connect(ui->clearButton, SIGNAL(clicked()), this, SLOT(procClearButtonClick()));
+
+    connect(m_port, SIGNAL(readyRead()), this, SLOT(procReadyRead()));
+}
+
+TraceWidget::~TraceWidget()
+{
+    delete ui;
+}
+
+
+/* Protected methods */
+
+
+void TraceWidget::changeEvent(QEvent *e)
+{
+    QWidget::changeEvent(e);
+    switch (e->type()) {
+    case QEvent::LanguageChange:
+        ui->retranslateUi(this);
+        break;
+    default:
+        break;
+    }
+}
+
+
+/* Private slots */
+
+
+void TraceWidget::printTrace(const QByteArray &data, bool directionRx)
+{
+    ui->textEdit->setTextColor((directionRx) ? Qt::darkBlue : Qt::darkGreen);
+    ui->textEdit->insertPlainText(QString(data));
+
+    QScrollBar *bar = ui->textEdit->verticalScrollBar();
+    bar->setValue(bar->maximum());
+}
+
+void TraceWidget::procSendButtonClick()
+{
+    QByteArray data;
+    data.append(ui->lineEdit->text());
+    if (data.size() > 0) {
+        m_port->write(data);
+        printTrace(data, false);
+    }
+}
+
+void TraceWidget::procClearButtonClick()
+{
+    ui->textEdit->clear();
+}
+
+void TraceWidget::procReadyRead()
+{
+    QByteArray data = m_port->readAll();
+    printTrace(data, true);
+}
diff --git a/tests/guiapp/tracewidget.h b/tests/guiapp/tracewidget.h
new file mode 100644
index 00000000..da1a71d3
--- /dev/null
+++ b/tests/guiapp/tracewidget.h
@@ -0,0 +1,34 @@
+#ifndef TRACEWIDGET_H
+#define TRACEWIDGET_H
+
+#include <QtGui/QWidget>
+
+namespace Ui {
+    class TraceWidget;
+}
+
+class SerialPort;
+
+class TraceWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit TraceWidget(SerialPort *port, QWidget *parent = 0);
+    ~TraceWidget();
+
+protected:
+    void changeEvent(QEvent *e);
+
+private slots:
+    void printTrace(const QByteArray &data, bool directionRx);
+    void procSendButtonClick();
+    void procClearButtonClick();
+    void procReadyRead();
+
+private:
+    Ui::TraceWidget *ui;
+
+    SerialPort *m_port;
+};
+
+#endif // TRACEWIDGET_H
diff --git a/tests/guiapp/tracewidget.ui b/tests/guiapp/tracewidget.ui
new file mode 100644
index 00000000..a2668976
--- /dev/null
+++ b/tests/guiapp/tracewidget.ui
@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>TraceWidget</class>
+ <widget class="QWidget" name="TraceWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>322</width>
+    <height>276</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0" colspan="2">
+    <widget class="QTextEdit" name="textEdit">
+     <property name="readOnly">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="0">
+    <widget class="QPushButton" name="sendButton">
+     <property name="text">
+      <string>Send</string>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="1">
+    <widget class="QLineEdit" name="lineEdit"/>
+   </item>
+   <item row="2" column="0">
+    <widget class="QPushButton" name="clearButton">
+     <property name="text">
+      <string>Clear trace</string>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="1">
+    <widget class="QLabel" name="label_1">
+     <property name="text">
+      <string>(Here enter a line in text a format for sending, 
+ for example: I will be transferred)</string>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignCenter</set>
+     </property>
+    </widget>
+   </item>
+   <item row="3" column="0">
+    <widget class="QLabel" name="label_2">
+     <property name="text">
+      <string>Last error:</string>
+     </property>
+    </widget>
+   </item>
+   <item row="3" column="1">
+    <widget class="QLabel" name="lbError">
+     <property name="text">
+      <string>***</string>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>