ui/map: show map on destination set/change (#29327)

* show map on dest set/change

* check for rcv_frame

* clear current_nav_dest

* restore allow_open

* use requestShow

* cleanup

* one check

* revert behavior changes

* Update selfdrive/ui/qt/maps/map.cc

* more obvious

* Update selfdrive/ui/qt/maps/map.cc

---------

Co-authored-by: Shane Smiskol <shane@smiskol.com>
old-commit-hash: 3a277f1b81fbb16673a77a475421a18751127cf2

selfdrive/ui/qt/maps/map.cc

@@ -156,13 +156,15 @@ void MapWindow::updateState(const UIState &s) {
   }
 
   if (sm.updated("navRoute") && sm["navRoute"].getNavRoute().getCoordinates().size()) {
+    auto nav_dest = coordinate_from_param("NavDestination");
+    bool allow_open = std::exchange(last_valid_nav_dest, nav_dest) != nav_dest &&
+                      nav_dest && !isVisible();
     qWarning() << "Got new navRoute from navd. Opening map:" << allow_open;
 
-    // Only open the map on setting destination the first time
+    // Show map on destination set/change
     if (allow_open) {
       emit requestSettings(false);
-      emit requestVisible(true); // Show map on destination set/change
-      allow_open = false;
+      emit requestVisible(true);
     }
   }
 
@@ -291,7 +293,7 @@ void MapWindow::clearRoute() {
 
   map_instructions->setVisible(false);
   map_eta->setVisible(false);
-  allow_open = true;
+  last_valid_nav_dest = std::nullopt;
 }
 
 void MapWindow::mousePressEvent(QMouseEvent *ev) {

selfdrive/ui/qt/maps/map.h

@@ -50,7 +50,6 @@ private:
   void setError(const QString &err_str);
 
   bool loaded_once = false;
-  bool allow_open = true;
 
   // Panning
   QPointF m_lastPos;
@@ -58,6 +57,7 @@ private:
   int zoom_counter = 0;
 
   // Position
+  std::optional<QMapbox::Coordinate> last_valid_nav_dest;
   std::optional<QMapbox::Coordinate> last_position;
   std::optional<float> last_bearing;
   FirstOrderFilter velocity_filter;