comparison layer/RegionLayer.h @ 1547:e6362cf5ff1d

Pass a y-coord, optionally, to Layer::snapToFeatureFrame. This is necessary for BoxLayer which needs to coordinate its snaps with the box it is highlighting for editing. Then in BoxLayer, merge getPointToDrag and getLocalPoints into a single getLocalPoint and use this throughout.

     QString getFeatureDescription(LayerGeometryProvider *v, QPoint &) const override;
     QString getLabelPreceding(sv_frame_t) const override;
 
     bool snapToFeatureFrame(LayerGeometryProvider *v, sv_frame_t &frame,
                             int &resolution,
-                            SnapType snap) const override;
+                            SnapType snap, int ycoord) const override;
     bool snapToSimilarFeature(LayerGeometryProvider *v, sv_frame_t &frame,
                               int &resolution,
                               SnapType snap) const override;
 
     void drawStart(LayerGeometryProvider *v, QMouseEvent *) override;