Ok, I filed out and it exported the file 'WidgetClassList.st' . This is the contents of the file:

'From Pharo7.0.3 of 12 April 2019 [Build information: Pharo-7.0.3+build.158.sha.0903ade8a6c96633f07e0a7f1baa9a5d48cfdf55 (64 Bit)] on 16 July 2019 at 3:58:28.785036 pm'!
ComposablePresenter subclass: #WidgetClassList
instanceVariableNames: 'list'
classVariableNames: ''
poolDictionaries: ''
category: 'QuotesProg'!

!WidgetClassList methodsFor: 'initialization' stamp: 'SteveQuezadas 7/10/2019 14:07'!
initializeWidgets
list := self newList.
list items: (AbstractWidgetPresenter allSubclasses
sorted: [:a :b | a name < b name ]).
self focusOrder add: list.! !


!WidgetClassList methodsFor: 'events-shortcuts' stamp: 'SteveQuezadas 7/15/2019 21:40'!
whenSelectedItemChanged: aBlock
Transcript show: 'got here'; cr.
! !


!WidgetClassList methodsFor: 'api' stamp: 'SteveQuezadas 6/26/2019 18:22'!
title
^ 'Widgets'! !

!WidgetClassList methodsFor: 'api' stamp: 'SteveQuezadas 7/15/2019 19:09'!
list

^ list.! !

"-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- "!

WidgetClassList class
instanceVariableNames: ''!

!WidgetClassList class methodsFor: 'specs' stamp: 'SteveQuezadas 7/10/2019 14:14'!
defaultSpec
^ SpecLayout composed
add: #list;
yourself! !

On Tue, Jul 16, 2019 at 7:43 AM Ben Coman <btc@openinworld.com> wrote:
On Tue, 16 Jul 2019 at 12:49, Steve Quezadas <steveeq1@gmail.com> wrote:
>
> I am running through the "Spec UI Framework" tutorial, and in it has a widget class inherited from "ComposablePresenter" (ComposablePresenter subclass: #WidgetClassList). But for some reason the "whenSelectedItemChanged:" method call does not execute when I select any item on the GUI list. Is there anything I'm missing?
>
> I posted this earlier on the list, and someone suggested I try�� "whenActivatedDo:" or "whenSelectionChangedDo:", but it doesn't do anything as well. The code looks like this:
>
> whenSelectedItemChanged: aBlock
>�� �� ��Transcript show: 'should get here; cr.
>
> I am using Pharo 7.

Can you FileOut the entire sample class and attached it?

cheers -ben