[squeak-dev] The Inbox: Morphic-kfr.731.mcz

David T. Lewis lewis at mail.msen.com
Tue Jul 8 17:01:50 UTC 2014


Thanks, and yes I'll definitely try the version browsing when I get home

Marcel Taeumel pointed me to our earlier discussions on this topic, which
I had entirely forgotten. Sorry for the confusion.


> On Mon, Jul 7, 2014 at 10:09 PM, David T. Lewis <lewis at mail.msen.com>
> wrote:
>> On Mon, Jul 07, 2014 at 07:42:28PM -0500, Chris Muller wrote:
>>> I think forcing a double-blink for every possible use-case for #flash
>>> won't
>>> work.  Plus, an arbitrary 50ms delay will not let anyone be happy
>>> because
>>> some want absolutely no blockage while others wanted more than 50ms..
>> OK, I'll bite. What exactly was wrong with the original implementation
>> of
>> Morph>>flash dated 10/10/1999 by Scott Wallace?
> Dave, could you possibly try this out to find the answer to your question?
>   - In a trunk image, add this repository to the Morphic package:
>        MCHttpRepository
>             location: 'http://box4.squeak.org:8888/trunk'
>             user: 'squeak'
>             password: 'squeak'
>   - Revert Morph>>#flash to the one you're interested in knowing about
> -- (cmm 10/6/2012 15:54) which the one that is just after Scott
> Wallace's 1999 version.
>   - In a Browser or Hierarchy browser, now select that Morph>>#flash,
> then right click on it.  Be patient, it might take a second or two for
> the menu to appear (to properly determine whether those options should
> be enabled in the menu).
>   - Select "browse mc origin".  Wait up to 10 seconds (hey, it's a lot
> faster than doing it manually!).  The MCVersion inspector appears
> documenting all changes that went in along with that change of #flash.
> The answer to your question is the 2nd bullet line.
>> It seems to do a very nice
>> job of flashing the morph, and it plays nicely with the "Reuse Windows"
>> preference.
>> What's not to like?
> Please see this note from Bob Arning which succinctly describes what's
> not to like about the original:
>    http://lists.squeakfoundation.org/pipermail/squeak-dev/2013-August/172823.html
>> The cmm 8/22/2013 version does not flash nicely, and the kfr 7/3/2014
>> version
>> uses delays, which may be problematic. The sw 10/10/1999 version works
>> well and
>> does not have either problem. How about just using the one the works?
>>> #flashStyle or #flashIntensity preference would be one way to address
>>> those
>>> differences.
>> We have enough obscure preferences that have entered the system for
>> reasons
>> that nobody can even remember. Let's not add another.
> So, no more preferences at all then?  Ever?  Look, I know what you're
> trying to say about Preferences, and I think many of them could be
> removed, but its clear that we all have different interpretations
> about what #flash is supposed to be for; a low-level notifier or a
> high-level notifier that can integrate into application-UI's without
> blocking the UI.

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