  QFrame *horizontal_line(QWidget *parent) {
    QFrame *line = new QFrame(parent);
    line->setFrameShape(QFrame::StyledPanel);
    line->setStyleSheet(R"(
      margin-left: 40px;
      margin-right: 40px;
      border-width: 1px;
      border-bottom-style: solid;
      border-color: gray;
    )");
    line->setFixedHeight(2);
 
</s> remove #include "selfdrive/ui/qt/maps/map.h"
 </s> add  </s> remove       MapWindow * m = new MapWindow(get_mapbox_settings());
 </s> add       auto m = new MapPanel(get_mapbox_settings()); </s> remove     setVisible(dest.has_value());
 </s> add     emit requestVisible(dest.has_value()); </s> remove   recent_layout->addStretch();
 </s> add   // add home and work if missing
  if (!has_home) {
    auto widget = new DestinationWidget(this);
    widget->unset(NAV_FAVORITE_LABEL_HOME);
    destinations_layout->insertWidget(0, widget);
  }
  if (!has_work) {
    auto widget = new DestinationWidget(this);
    widget->unset(NAV_FAVORITE_LABEL_WORK);
    // TODO: refactor to remove this hack
    int index = !has_home || (current_destination && current_destination->isFavorite() && current_destination->label() == NAV_FAVORITE_LABEL_HOME) ? 0 : 1;
    destinations_layout->insertWidget(index, widget);
  }

  destinations_layout->addStretch();
  QFrame *horizontal_line(QWidget *parent) {
    QFrame *line = new QFrame(parent);
    line->setFrameShape(QFrame::StyledPanel);
    line->setStyleSheet(R"(


      border-width: 1px;
      border-bottom-style: solid;
      border-color: gray;
    )");
    line->setFixedHeight(2);
keep keep keep keep replace replace keep keep keep keep keep
 UI: improved nav destination entry (#28476) 
selfdrive/ui/qt/widgets/controls.cc