comparison view/View.h @ 1490:c83504eb2649

Attempt a mechanism for the View to time-align a layer on display using an aligning version of the ViewProxy

     QPen scalePen(QPen pen) const override;
 
     typedef std::set<ModelId> ModelSet;
     ModelSet getModels();
 
+    //!!!??? poor name, probably poor api, consider this
+    void setUseAligningProxy(bool uap) {
+        m_useAligningProxy = uap;
+    }
+    
     //!!!
     ModelId getAligningModel() const;
+    void getAligningAndReferenceModels(ModelId &aligning, ModelId &reference) const;
     sv_frame_t alignFromReference(sv_frame_t) const;
     sv_frame_t alignToReference(sv_frame_t) const;
     sv_frame_t getAlignedPlaybackFrame() const;
 
     void updatePaintRect(QRect r) override { update(r); }

 
     LayerList           m_layerStack; // I don't own these, but see dtor note above
     LayerList           m_fixedOrderLayers;
     bool                m_haveSelectedLayer;
 
+    bool                m_useAligningProxy;
+
     QString             m_lastError;
 
     // caches for use in getScrollableBackLayers, getNonScrollableFrontLayers
     mutable LayerList m_lastScrollableBackLayers;
     mutable LayerList m_lastNonScrollableBackLayers;