[Webkit-unassigned] [Bug 236725] New: AX: clicking an input radio/checkbox should focus it

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=236725

            Bug ID: 236725
           Summary: AX: clicking an input radio/checkbox should focus it
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: All
                OS: macOS 12
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Forms
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: giovanni.piller at gmail.com
                CC: cdumez at apple.com, wenson_hsieh at apple.com

Created attachment 452225

  --> https://bugs.webkit.org/attachment.cgi?id=452225&action=review

test case reduction

Right now, focus doesn't seem to change on click interactions.

This makes it difficult to use the keyboard to complement mouse interactions.

For example:
1) click on an input radio using the mouse
2) attempt to change the selected radio by using the up/down arrows
Expected: I'm able to modify my selection.
Actual: up/down arrows scroll the page

Or similarly, with checkboxes:
1) check an input checkbox using the mouse
2) attempt to uncheck it by pressing the spacebar
Expected: I'm able to modify my selection.
Actual: nothing happens (page scrolls)

**Note on <label>:** I would also expect that clicking an input's related <label> would move focus to it, but that's not the case.

To sum up: it appears that the only way to interact with a radio/checkbox via keyboard, is to first focus it via the keyboard itself. Mouse interactions won't focus those elements.

Webkit's behavior is inconsistent with current implementations of other browsers (tested on Firefox 97.0 and Chrome 98.0.4758.102).

I've reproduced it with and without the "Press Tab to highlight each item on a webpage" setting enabled, on the following builds:
- 15.3 (17612.4.9.1.5)
- TP Release 140 (Safari 15.4, WebKit 17614.1.1.5)
- Nightly 289904

The reduced test case (attached) is so simple that I have the feeling I'm missing something here. If so, sorry for wasting your time.

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