--- /dev/null
+#include "carmainwindow.h"
+#include "ui_carmainwindow.h"
+#include "stringlistmodel.h"
+#include <QStandardItemModel>
+#include <QStringList>
+#include <QString>
+
+/**
+ *Constructor of this class.
+ *@param QWidget pointer to parent object. By default the value is NULL.
+ */
+CarMainWindow::CarMainWindow(QWidget *parent):QMainWindow(parent), ui(new Ui::CarMainWindow)
+{
+ ui->setupUi(this);
+ result = new ResultDialog();
+ measure = new MeasureDialog();
+
+ initUnitCompoBox();
+ initSpeedListView();
+}
+
+/**
+ *Destructor of this class. Should be used to release all allocated resources.
+ */
+CarMainWindow::~CarMainWindow()
+{
+ delete ui;
+}
+
+/**
+ *This function is used to .
+ *@param
+ */
+void CarMainWindow::changeEvent(QEvent *e)
+{
+ QMainWindow::changeEvent(e);
+ switch (e->type()) {
+ case QEvent::LanguageChange:
+ ui->retranslateUi(this);
+ break;
+ default:
+ break;
+ }
+}
+
+/**
+ *This slot function is called when ever list view is update.
+ *@param QModelIndex index.
+ */
+void CarMainWindow::on_listView_clicked(QModelIndex index)
+{
+ QString str = index.data().toString();
+ QStringList list = str.split("-");
+ QStringList list2 = list[1].split(" ");
+
+ ui->minLineEdit->setText(list[0]);
+ ui->maxLineEdit->setText(list2[0]);
+ updateUnitCompoBox(list2[1]);
+}
+
+/**
+ *This slot function is called when ever auto start button clicked.
+ */
+void CarMainWindow::on_autoStartButton_clicked()
+{
+ result->show();
+}
+
+/**
+ *This slot function is called when ever list view is update.
+ *@param QString unit.
+ */
+void CarMainWindow::updateUnitCompoBox(QString unit)
+{
+ ui->unitComboBox->setCurrentIndex(ui->unitComboBox->findText(unit, Qt::MatchExactly));
+}
+
+/**
+ *This function is used to init combobox.
+ */
+void CarMainWindow::initUnitCompoBox()
+{
+ units << "km/h" << "km" << "h" << "m" << "min" << "mil" << "in" << "ft" << "yrd";
+ ui->unitComboBox->addItems(units);
+}
+
+/**
+ *This function is used to init listview.
+ */
+void CarMainWindow::initSpeedListView()
+{
+ numbers << "0-100 km/h" << "0-1/4 mil" << "0-50 km" << "50-100 mil" << "0-100 m" << "0-50 ft" << "0-50 yrd" << "0-500 in";
+ QAbstractItemModel *model = new StringListModel(numbers);
+ ui->listView->setModel(model);
+}