[layouts] When a map is set to a user crs and the definition of that

crs changes, automatically update the map and don't get "stuck" with the old definition of the user crs
qgis · Jan 29, 2021 · 8362c76 · 8362c76
1 parent ddf35cf
commit 8362c76
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/src/core/layout/qgslayoutitemmap.cpp b/src/core/layout/qgslayoutitemmap.cpp
@@ -34,6 +34,7 @@
 #include "qgsexpressioncontextutils.h"
 #include "qgsstyleentityvisitor.h"
 #include "qgsannotationlayer.h"
+#include "qgscoordinatereferencesystemregistry.h"
 
 #include <QPainter>
 #include <QStyleOptionGraphicsItem>
@@ -69,6 +70,17 @@ QgsLayoutItemMap::QgsLayoutItemMap( QgsLayout *layout )
     refresh();
   } );
 
+  connect( QgsApplication::coordinateReferenceSystemRegistry(), &QgsCoordinateReferenceSystemRegistry::userCrsChanged, this, [ = ]
+  {
+    QgsCoordinateReferenceSystem crs = mCrs;
+    crs.updateDefinition();
+    if ( mCrs != crs )
+    {
+      setCrs( crs );
+      invalidateCache();
+    }
+  } );
+
   if ( layout )
     connectUpdateSlot();
 }