1  MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
2 {
3    ui->setupUi(this);
4    setWindowTitle("Form in Window");
5    resize(500, 500);
6    createIcons();
7    setupCoreWidgets();
8    createMenuBar();
9    createToolBar();
10   centralWidgetLayout->addLayout(gridLayout);
11   centralWidgetLayout->addWidget(appTable);
12   centralWidgetLayout->addLayout(buttonsLayout);
13   mainWidget->setLayout(centralWidgetLayout);
14   setCentralWidget(mainWidget);
15   setupSignalsAndSlots();
16 }