Encapsulate interface data members

src/Mod/Sketcher/Gui/SnapManager.cpp

@@ -362,3 +362,9 @@ bool SnapManager::snapToArcMiddle(Base::Vector3d& pointToOverride, const Part::G
 
     return false;
 }
+
+void SnapManager::setAngleSnapping(bool enable, Base::Vector2d referencepoint)
+{
+    angleSnapEnabled = enable;
+    referencePoint = referencepoint;
+}

src/Mod/Sketcher/Gui/SnapManager.h

@@ -99,8 +99,7 @@ public:
     bool snapToLineMiddle(Base::Vector3d& pointToOverride, const Part::GeomLineSegment* line);
     bool snapToArcMiddle(Base::Vector3d& pointToOverride, const Part::GeomArcOfCircle* arc);
 
-    bool angleSnapEnabled;
-    Base::Vector2d referencePoint;
+    void setAngleSnapping(bool enable, Base::Vector2d referencepoint);
 
 private:
     double snapAngle;
@@ -110,6 +109,9 @@ private:
     bool snapToObjectsRequested;
     bool snapToGridRequested;
 
+    bool angleSnapEnabled;
+    Base::Vector2d referencePoint;
+
     /// Reference to ViewProviderSketch in order to access the public and the Attorney Interface
     ViewProviderSketch & viewProvider;
 

src/Mod/Sketcher/Gui/ViewProviderSketch.cpp

@@ -556,8 +556,7 @@ bool ViewProviderSketch::keyPressed(bool pressed, int key)
 void ViewProviderSketch::setAngleSnapping(bool enable, Base::Vector2d referencePoint)
 {
     assert(snapManager);
-    snapManager->angleSnapEnabled = enable;
-    snapManager->referencePoint = referencePoint;
+    snapManager->setAngleSnapping(enable, referencePoint);
 }
 
 void ViewProviderSketch::getProjectingLine(const SbVec2s& pnt, const Gui::View3DInventorViewer *viewer, SbLine& line) const