[Cuis-dev] scrollbarThickness in Preferences (BlockClosures as preference types)

[Hilaire Fernandes]

Hi Gerald,

It is because this preference value is normally dynamically computed. So 
the type of this preference is a Closure.

Read :

installMiscPreferences
  ../..
         name: #scrollbarThickness
         category: #gui
         value: [(Preferences at: #windowTitleFont) pointSize + 2];

When executing Preferences at: #scrollbarThickness put: 30, you are 
implicitly changing the type of the preference from a Closure to an 
Integer, and I initially forbid it.

It should be possible to hack by changing the type of the preference 
too, implicitly or explicitly  however I am afraid this could lead to 
some side border problem. We need to discuss a bit about that.

Hilaire


Le 14/07/2022 à 15:27, Gerald Klix via Cuis-dev a écrit :
> Hi all, Hi Juan,
>
> I can not set the scroll-bar thickness with:
>
> Preferences at: #scrollbarThickness put: 30
>
> because the preferences type is block closure.
> Instead I have to use:
>
> Preferences at: #scrollbarThickness put: [ 30 ]
>
> It works (somehow), but is this really the intended behavior?
>
>
> Best Regards,
>
> Gerald 
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