Sketcher/BackEdit: makes EditModeInformationOverlayCoinConverter class VP & attorneys aware

src/Mod/Sketcher/Gui/EditModeCoinManager.cpp

@@ -625,7 +625,7 @@ void EditModeCoinManager::processGeometryInformationOverlay(const GeoListFacade
         Gui::coinRemoveAllChildren(editModeScenegraphNodes.infoGroup);
     }
 
-    auto ioconv = EditModeInformationOverlayCoinConverter(editModeScenegraphNodes.infoGroup, overlayParameters, drawingParameters);
+    auto ioconv = EditModeInformationOverlayCoinConverter(viewProvider, editModeScenegraphNodes.infoGroup, overlayParameters, drawingParameters);
 
     // geometry information layer for bsplines, as they need a second round now that max curvature is known
     for (auto geoid : analysisResults.bsplineGeoIds) {

src/Mod/Sketcher/Gui/EditModeInformationOverlayCoinConverter.cpp

@@ -50,9 +50,11 @@
 using namespace SketcherGui;
 
 EditModeInformationOverlayCoinConverter::EditModeInformationOverlayCoinConverter(
+                                    ViewProviderSketch & vp,
                                     SoGroup * infogroup,
                                     OverlayParameters & overlayparameters,
-                                    DrawingParameters & drawingparameters): infoGroup(infogroup),
+                                    DrawingParameters & drawingparameters): viewProvider(vp),
+                                                                            infoGroup(infogroup),
                                                                             overlayParameters(overlayparameters),
                                                                             drawingParameters(drawingparameters),
                                                                             nodeId(0){

src/Mod/Sketcher/Gui/EditModeInformationOverlayCoinConverter.h

@@ -38,6 +38,7 @@ namespace Part {
 }
 
 namespace SketcherGui {
+    class ViewProviderSketch;
     struct OverlayParameters;
     struct DrawingParameters;
 
@@ -139,7 +140,8 @@ public:
      * @param overlayparameters: Parameters for controlling the overlay
      * @param drawingparameters: Parameters for drawing the overlay information
      */
-    EditModeInformationOverlayCoinConverter(    SoGroup * infogroup,
+    EditModeInformationOverlayCoinConverter(    ViewProviderSketch &vp,
+                                                SoGroup * infogroup,
                                                 OverlayParameters & overlayparameters,
                                                 DrawingParameters & drawingparameters);
 
@@ -179,6 +181,9 @@ private:
     void updateNode(const Result & result);
 
 private:
+    /// Reference to ViewProviderSketch in order to access the public and the Attorney Interface
+    ViewProviderSketch & viewProvider;
+
     SoGroup * infoGroup;
     OverlayParameters & overlayParameters;
     DrawingParameters & drawingParameters;

src/Mod/Sketcher/Gui/ViewProviderSketchCoinAttorney.h

@@ -112,6 +112,7 @@ private:
     friend class EditModeCoinManager;
     friend class EditModeConstraintCoinManager;
     friend class EditModeGeometryCoinManager;
+    friend class EditModeInformationOverlayCoinConverter;
 };
 
 inline bool ViewProviderSketchCoinAttorney::constraintHasExpression(const ViewProviderSketch & vp, int constrid)