Roles check

if (!roles.isEmpty()) {
    const int relevantRoles[] = {Qt::DisplayRole, Qt::DecorationRole, Qt::SizeHintRole, Qt::FontRole};
    if (!std::any_of(roles.cbegin(), roles.cend(), [&relevantRoles](int role) -> bool {return std::find(std::begin(relevantRoles), std::end(relevantRoles), role) != std::end(relevantRoles);})
        return;
}