nav: restore zoom and position on double click (#21551)

selfdrive/ui/qt/maps/map.cc

@@ -400,6 +400,12 @@ void MapWindow::mousePressEvent(QMouseEvent *ev) {
   ev->accept();
 }
 
+void MapWindow::mouseDoubleClickEvent(QMouseEvent *ev) {
+  if (last_position) m_map->setCoordinate(*last_position);
+  if (last_bearing) m_map->setBearing(*last_bearing);
+  m_map->setZoom(util::map_val<float>(velocity_filter.x(), 0, 30, MAX_ZOOM, MIN_ZOOM));
+}
+
 void MapWindow::mouseMoveEvent(QMouseEvent *ev) {
   QPointF delta = ev->localPos() - m_lastPos;
 

selfdrive/ui/qt/maps/map.h

@@ -86,6 +86,7 @@ private:
   void initLayers();
 
   void mousePressEvent(QMouseEvent *ev) final;
+  void mouseDoubleClickEvent(QMouseEvent *ev) final;
   void mouseMoveEvent(QMouseEvent *ev) final;
   void wheelEvent(QWheelEvent *ev) final;
   bool event(QEvent *event) final;