Method setExpand

src/plugins/recent/mainframe/sessionitemwidget.cpp:50–58

}

void ArrowHeaderLine::setExpand(bool value)
{
    if (value) {
        arrowButton->setIcon(DStyle::standardIcon(style(), DStyle::SP_ExpandElement));
    } else {
        arrowButton->setIcon(DStyle::standardIcon(style(), DStyle::SP_ReduceElement));
    }
    isExpanded = value;
}

void ArrowHeaderLine::setTitle(const QString &title)
{