On Monday 31 March 2003 11:46 am, Martin Drautzburg wrote:
> Ned Konz <ned at bike-nomad.com> writes:
>
> It loops around:
>
>         PluggabeTextMorph>>extent:
>         PluggableTextMorph(ScrollPane)>>extent:
>         PluggableTextMorph(ScrollPane)>>setScrollDeltas
>         PluggableTextMorph(ScrollPane)>>hideOrShowScrollBar
>         PluggableTextMorph(ScrollPane)>>showScrollBar
>         PluggableTextMorph>>resetExtent
>         PluggableTextMorph>>extent:
>
> The full walkback is on http://minnow.cc.gatech.edu/squeak/3146
>
> One thing I don't understand is when I evaluate "submorphs
> includes: scrollBar" from the walkback I get a "true". But
> obviously showScrollBar did not return though.
>
> showScrollBar
> 	(submorphs includes: scrollBar)
> 		ifTrue: [^ self].
> 	self resizeScrollBar.
> 	self privateAddMorph: scrollBar atIndex: 1.
> 	"scrollBar changed."
> 	retractableScrollBar
> 		ifFalse: [self resetExtent]

By the time the debugger has come up, you've managed to re-draw the 
world.

Hmm.. Have you tried adding "super initialize" to 
TestBrowser>>initialize? This would make the contents be an empty 
string (rather than nil); I don't know if that matters.

-- 
Ned Konz
http://bike-nomad.com
GPG key ID: BEEA7EFE