[squeak-dev] How to force selection update in the debugger?

Bob Arning arning315 at comcast.net
Wed Nov 14 19:13:17 UTC 2012

This works for me:


     10 timesRepeat: [
         self doStep.
         self changed: #contentsSelection.
         World displayWorldSafely.
         (Delay forMilliseconds: 100) wait.    "in case you want to see 
each step"


On 11/14/12 1:26 PM, Eliot Miranda wrote:
> Hi All,
>     I submitted a run until feature for the debugger to the Squeak 
> inbox recently and would commit it to trunk except that I'd like the 
> option of having the selection update on each step.  But I can't see 
> how to do that.  I *think* selection update is done with a callback 
> here in Debugger>>contents:selection:
> Smalltalk isMorphic ifTrue:
> [World
> addAlarm: #changed:
> withArguments: #(contentsSelection)
> for: self
> at: (Time millisecondClockValue + 200)].
> And I'm not sure how this causes the selection to update.  Is it part 
> of text morph draw or a separate thing?  This is too convoluted to 
> look through.  So perhaps someone can help e.  If I want the selection 
> to redraw what's the minimum action necessary.  This is as part of a 
> loop that looks like
> [self selectedContext == context
> and: [(value := receiver with: context executeMethod: method) == 
> false]] whileTrue:
> [self doStep].
> i.e. after the doStep I'd like to force the code pane to update its 
> selection.
> AdvThanksance
> -- 
> best,
> Eliot

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