diff layer/TimeInstantLayer.h @ 607:5b72899d692b

Give a dedicated key to toggling the centre line, and move it out of the overlay level setting -- reducing number of overlay levels to 3. Introduce two distinct vertical scale types (so that we can hide the spectrogram colour scale part easily)

--- a/layer/TimeInstantLayer.h	Mon Jan 30 13:24:55 2012 +0000
+++ b/layer/TimeInstantLayer.h	Mon Jan 30 16:01:59 2012 +0000
@@ -109,6 +109,8 @@
         }
     }
 
+    virtual int getVerticalScaleWidth(View *, bool, QPainter &) const { return 0; }
+
 protected:
     SparseOneDimensionalModel::PointList getLocalPoints(View *v, int) const;