- From: Tab Atkins Jr. <jackalmage@gmail.com>
- Date: Wed, 16 Mar 2016 16:58:18 -0700
- To: www-style list <www-style@w3.org>
On Tue, Sep 22, 2015 at 3:21 PM, Tab Atkins Jr. <jackalmage@gmail.com> wrote: > I'm currently in discussion with Alice Boxhall and Brian Kardell about > their input modalities proposal (which we discussed at the f2f), but > one thing that came out of the discussion which seemed independently > relevant is the ability to directly style the "focus ring" state. > > By "focus ring" state, I mean the subset of :focus that, in the > absence of any overriding author styles, triggers a UA focus ring. > This currently happens any time a text input or [tabindex > 0] element > is focused, and when a button is *keyboard* focused (but not when it's > clicked). > > Mozilla has something approximately equivalent today, with > :-moz-focusring > <https://developer.mozilla.org/en-US/docs/Web/CSS/%3A-moz-focusring>. > (The only difference is that it doesn't match anything if "focus ring > drawing" is turned off.) > > The main benefit of such a thing is that, today, if the default UA > focus ring style does not work well with your site's theme, you're > kinda screwed. You can manually write a :focus rule, but you can't > predict when an element would have a focus ring drawn; you'll > unfortunately start drawing focus rings when the user mouse-clicks a > button. Using :focus-ring instead does the right thing automatically, > triggering your styles only when the UA determines via heuristics that > it should draw a focus ring. > > (Those heuristics might not always be right, and that's part of my > continuing conversation with Alice and Brian, but that's separable > from this topic.) > > Thoughts? So, it's been a few months since I brought up this topic. Any further thoughts or objections, or should I spec this? If so, should it go into Selectors 4, or push off to Selectors 5? ~TJ
Received on Wednesday, 16 March 2016 23:59:05 UTC