On Thu, 11 Feb 1999, Carl Gundel wrote:

> Where do I find the code that presents (pops up) scrollbars?  It would 
> be great for slower machines to only activate the scrollbars when the 
> content of a pane is scrollable.  This could also be added as a user 
> preference.

It also shows which pane is current ... But anyway: 

In Morphic, look at ScrollPane>#mouseEnter: and #mouseLeave:
In MVC, look at ScrollController>#controlInitialize and #controlTerminate

Cheers,
Bert

-- 
 Bert Freudenberg                                            Department of
                                                            Simulation and
 mailto:bert at isg.cs.uni-magdeburg.de                     Computer Graphics
 http://isgwww.cs.uni-magdeburg.de/isg/bert.html        Univ. of Magdeburg