QMainWindow::setMenuWidget() . , - , (MainWindowImpl - QMainWindow):
void MainWindowImpl::setupMenubar() {
QWidget* menuWidget = new QWidget(this);
QGridLayout* menuWidgetLayout = new QGridLayout(menuWidget);
menuWidget->setLayout(menuWidgetLayout);
menuWidgetLayout->addWidget(theMenubar, 0, 0, 1,1);
menuWidgetLayout->addWidget(new QToolButton(), 0, 1, 1, 1);
menuWidgetLayout->addWidget(new QToolButton(), 0, 2, 1, 1);
setMenuWidget(menuWidget);
}
theMenubar QMenuBar, .