[squeak-dev] How to force selection update in the debugger?
Eliot Miranda
eliot.miranda at gmail.com
Thu Nov 15 20:33:48 UTC 2012
Thanks, Bob. I'll try the occasional approach. That indeed seems to do
what I want.
On Thu, Nov 15, 2012 at 5:40 AM, Bob Arning <arning315 at comcast.net> wrote:
> If you want speed, then why not limit the visual updates to something
> you can see:
>
> doStepSeveral
>
> | n t lastDisplay |
> t := [
> (n := 500) timesRepeat: [
> self doStep.
> ].
> ] timeToRun.
> Transcript show: t asString,' ms for ',n asString,' steps without
> display'; cr.
>
> t := [
> (n := 500) timesRepeat: [
>
> self doStep.
> self changed: #contentsSelection.
> World displayWorldSafely.
> ].
> ] timeToRun.
> Transcript show: t asString,' ms for ',n asString,' steps with
> display'; cr.
>
> lastDisplay := Time millisecondClockValue.
> t := [
> (n := 500) timesRepeat: [
> self doStep.
> (lastDisplay - Time millisecondClockValue) abs > 20 ifTrue: [
> lastDisplay := Time millisecondClockValue.
>
> self changed: #contentsSelection.
> World displayWorldSafely.
> ].
> ].
> ] timeToRun.
> Transcript show: t asString,' ms for ',n asString,' steps with
> occasional display'; cr.
>
> yields:
>
> 68 ms for 500 steps without display
> 4290 ms for 500 steps with display
> 101 ms for 500 steps with occasional display
>
> Cheers,
> Bob
>
> On 11/15/12 3:16 AM, Eliot Miranda 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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