comparison framework/MainWindowBase.h @ 162:c17284397aa9

* Handle zero-velocity note ons as well as note offs (can't believe I
  fell for that one)
* Add Peek Left / Peek Right (alt+left/right) and change peek-drag
  (i.e. dragging without moving playback pointer or other panes) from
  ctrl+drag to alt+drag for symmetry

     virtual void zoomDefault();
     virtual void scrollLeft();
     virtual void scrollRight();
     virtual void jumpLeft();
     virtual void jumpRight();
+    virtual void peekLeft();
+    virtual void peekRight();
 
     virtual void showNoOverlays();
     virtual void showMinimalOverlays();
     virtual void showStandardOverlays();
     virtual void showAllOverlays();