[webkit-dev] Request for position: CSS scrollbar-gutter

[Simon Fraser]

WebKit does not support this feature as specified.

Our opinion is that we don't want to encourage web developers to reserve space for scrollbars in a way that prevents non-interactive content from intruding into that space. This undoes a big advantage of overlay scrollbars, in that they leave more space for content.

Our preference would be some kind of margin value (perhaps a constant) that allows authors to move only interactive content outside of the area affected by overlay scrollbars.

Simon


> On Feb 23, 2021, at 5:54 AM, Felipe Erias via webkit-dev <webkit-dev at lists.webkit.org> wrote:
> 
> Hi webkit-dev,
> 
> This is a request for WebKit's position on the CSS "scrollbar-gutter" property. The spec status is Working Draft. This feature is already implemented in Chrome behind a flag.
> 
> Spec:
>  https://drafts.csswg.org/css-overflow-4/#scrollbar-gutter-property
> 
> Explainer:
>  https://github.com/felipeerias/scrollbar-gutter-explainer
> 
> Existing WebKit bug:
>  https://bugs.webkit.org/show_bug.cgi?id=167335
> 
> Summary:
> 
> The scrollbar-gutter property provides control over the presence of scrollbar gutters (the space which may be reserved to display a scrollbar).
> 
> This gives Web authors more agency over how their layouts interact with the scrollbars provided by the browser, so they can e.g. prevent excessive layout changes as content expands while avoiding unwanted visuals when scrolling isn't needed.
> 
> Thanks!
> 
> Best.
> Felipe
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