diff layer/Layer.h @ 187:e7cf6044c2a0

* better icon
* support range mappers in thumbwheel
* supply range mapper for vertical zoom from spectrogram
* fix bug in fftmodel for scaled ffts
* make the various widgets all respond to double-click for edit, middle-click
  for reset, ctrl-left-click for reset

--- a/layer/Layer.h	Fri Jan 05 15:49:10 2007 +0000
+++ b/layer/Layer.h	Fri Jan 12 14:49:18 2007 +0000
@@ -34,6 +34,7 @@
 class View;
 class QMouseEvent;
 class Clipboard;
+class RangeMapper;
 
 /**
  * The base class for visual representations of the data found in a
@@ -338,6 +339,14 @@
      */
     virtual void setVerticalZoomStep(int) { }
 
+    /**
+     * Create and return a range mapper for vertical zoom step values.
+     * See the RangeMapper documentation for more details.  The
+     * returned value is allocated on the heap and will be deleted by
+     * the caller.
+     */
+    virtual RangeMapper *getNewVerticalZoomRangeMapper() const { return 0; }
+
 public slots:
     void showLayer(View *, bool show);