[squeak-dev] Minor issue with NewColorPickerMorph and question about Object>>changed: and how to debug

karl ramberg karlramberg at gmail.com
Tue Nov 10 18:46:17 UTC 2015


Great tips.
I'll test that

Best,
Karl

On Tue, Nov 10, 2015 at 6:16 PM, Chris Muller <asqueaker at gmail.com> wrote:

> I hear you about trying to debug the Listener pattern, its a pain.
>
> One thing I do when I can't use the debugger is create a global
> "object log" -- an OrderedCollection -- and then, in Object>>#update:
> (or whereever) capture the current stack into your log:
>
>     MyGlobalLog add: thisContext longStack
>
>
>
> On Tue, Nov 10, 2015 at 8:45 AM, karl ramberg <karlramberg at gmail.com>
> wrote:
> > In the NewColorPickerMorph if you scale the alpha of the selected color,
> the
> > UI will not turn let you set alpha back to fully opaque. You can pull the
> > slider all the way to the max but the selected color will remain
> > translucent.
> >
> > This is a minor issue but the big issue is how do debug this and similar
> > issues which is set up with the Object>>update: or Object>>changed:
> >
> > I find that I'm going into a rabbit hole each time I try to debug these
> > message sends. I can't seem to get a grip on what or where the messages
> and
> > changes in state are from.
> >
> > Do anybody have any advise on good practice for debugging
> Object>>update: or
> > Object>>changed: ?
> >
> > Best,
> > Karl
> >
> >
> >
>
>
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