--- a/OrthancStone/Sources/Scene2DViewport/OneGesturePointerTracker.h	Mon Sep 21 14:50:26 2020 +0200
+++ b/OrthancStone/Sources/Scene2DViewport/OneGesturePointerTracker.h	Mon Sep 21 17:46:39 2020 +0200
@@ -45,18 +45,21 @@
   */
   class OneGesturePointerTracker : public IFlexiblePointerTracker
   {
-  public:
-    OneGesturePointerTracker(boost::shared_ptr<IViewport> viewport);
-    virtual void PointerUp(const PointerEvent& event) ORTHANC_OVERRIDE;
-    virtual void PointerDown(const PointerEvent& event) ORTHANC_OVERRIDE;
-    virtual bool IsAlive() const ORTHANC_OVERRIDE;
-  
+  private:
+    bool  alive_;
+    int   currentTouchCount_;
+
   protected:
     boost::shared_ptr<IViewport> viewport_;
 
-  private:
-    bool                   alive_;
-    int                    currentTouchCount_;
+  public:
+    explicit OneGesturePointerTracker(boost::shared_ptr<IViewport> viewport);
+    
+    virtual void PointerUp(const PointerEvent& event) ORTHANC_OVERRIDE;
+    
+    virtual void PointerDown(const PointerEvent& event) ORTHANC_OVERRIDE;
+    
+    virtual bool IsAlive() const ORTHANC_OVERRIDE;
   };
 }