Re: GUI: clipping of controls fails on Linux but not on Windows

Matthew,

On 05/19/2016 12:33 AM, Matthew Flatt wrote:
> There's not a good way to do this outside the primitives, because it's
> a matter of selecting the right GTK widgets.
>
> I've added 'hide-hscroll and 'hide-vscroll, which are like 'hscroll and
> 'vscroll (i.e., they allow the panel's size to be smaller than its
> content) but never show the corresponding scrollbar.
Thank you so much. I am eager to try this new feature. I can not figure 
a good way to set it up on my machine.
I have Racket 6.5 release. My first thought was "let me try this new 
package system":

$ sudo raco pkg update gui
Inferred package scope: installation
Resolving "gui" via https://download.racket-lang.org/releases/6.5/catalog/
Resolving "gui-lib" via 
https://download.racket-lang.org/releases/6.5/catalog/
Resolving "gui-doc" via 
https://download.racket-lang.org/releases/6.5/catalog/
No updates available

Second thought was to check the latest snapshot (d0d85b2, commit in 
racket/racket made ~3h later than yours in racket/gui). That did not 
work, too -- the commit of interest is not included into the snapshot.

What would you recommend? Is there a catalog similar to Debian 
"unstable" repo that I can sync to?

Best regards,

Dmitry



>
> At Wed, 18 May 2016 23:37:02 +0300, Dmitry Pavlov wrote:
>> Matthew,
>>
>>   > One possible fix is to add the 'hscroll style to the horizontal panel.
>>   > That change moves the program into "defined behavior" territory, since
>>   > a scrolling panel allows its content to be wider than itself.
>>
>> I just tried that and I see that it shows a scrollbar under the
>> panel that I would not like the user to see. Is there a way to hide it?
>>
>>> That is indeed in "undefined behavior" territory for the GUI library,
>>> because `racket/gui` doesn't pin down what happens when widgets overlap
>>> (including panels and buttons).
>> OK, but the panel with 'hscroll somehow handles the controls that go
>> outside of the panel's geometry, can I do the same manually?
>> Or the scrolling mechanism is hidden in a primitive?
>>
>>
>> Best regards,
>>
>> Dmitry
>>
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