info_box_->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
QVBoxLayout* info_box_layout = new QVBoxLayout(info_box_);
info_box_layout->addWidget(info_label_header_);
info_box_layout->addWidget(info_label_body_);
info_box_layout->addWidget(info_label_footer_);
info_box_->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
QVBoxLayout* info_box_layout = new QVBoxLayout(info_box_);
info_box_layout->addWidget(info_label_header_);
info_box_layout->addWidget(info_label_body_);
info_box_layout->addWidget(info_label_footer_);