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

Eliot Miranda eliot.miranda at gmail.com
Thu Nov 15 21:00:14 UTC 2012


Hi Bob,

    cool!  I've just committed the run until code.  Please feel free to add
a variant that uses send.  send until...?


On Thu, Nov 15, 2012 at 12:44 PM, Bob Arning <arning315 at comcast.net> wrote:

>  This is fun! If you use #send rather than #doStep, you can watch code
> run like a movie.
>
> doStepSeveral
>
>     | n |
>
>     n := 500.
>
>     n timesRepeat: [
>         self send.
>
>         self changed: #contentsSelection.
>         World displayWorldSafely.
>         (Delay forMilliseconds: 250) wait.
>     ].
>
> Cheers,
> Bob
>
>  On 11/15/12 8:39 AM, Bert Freudenberg wrote:
>
> But this is how Morphic drawing works. If only your text morph changed,
> then only that morph will be redrawn. And since no events are processed in
> that loop, this should be the case.
>
>  - Bert -
>
>  On 15.11.2012, at 09:16, Eliot Miranda <eliot.miranda at gmail.com> wrote:
>
> Hi Bob,
>
>     thanks, but no thanks <blush>.  I want to see the update as fast as
> possible, even if it flickers like crazy.  I don't want to display the
> whole world, just the text morph in question.
>
>
> On Wed, Nov 14, 2012 at 11:13 AM, Bob Arning <arning315 at comcast.net>wrote:
>
>>  This works for me:
>>
>> doStepSeveral
>>
>>     10 timesRepeat: [
>>         self doStep.
>>         self changed: #contentsSelection.
>>         World displayWorldSafely.
>>         (Delay forMilliseconds: 100) wait.    "in case you want to see
>> each step"
>>     ]
>>
>>
>> Cheers,
>> Bob
>>
>>   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
>>
>>
>>
>>
>>
>>
>>
>>
>
>
>  --
> best,
> Eliot
>
>
>
>
>
>
>
>
>
>


-- 
best,
Eliot
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