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

karl ramberg karlramberg at gmail.com
Tue Nov 10 18:53:50 UTC 2015


On Tue, Nov 10, 2015 at 5:18 PM, Nicolai Hess <nicolaihess at gmail.com> wrote:

>
>
> 2015-11-10 15:45 GMT+01:00 karl ramberg <karlramberg at gmail.com>:
>
>> 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
>>
>>
>>
>>
> btw, there is an open issue on mantis for the NewColorPicker
> http://bugs.squeak.org/view.php?id=7753
> NewColorPickerMorph can not be used to change colors re erase
> colors from a SketchMorph.
> The Menu entries
> "erase pixels of color" and
> "recolor pixels of color" raise a DNU.
>
I'll take a look at that.
Changing colors in a Sketch is quite a special case, though.

>
> Changing a GradientFill color from within the
> fill style menu (for any morph) doesn't work as well.
>

Have you looked at the latest trunk where I have contributed a special tool
for editing colors in gradients ?

Best,
Karl
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