[wp-trac] [WordPress Trac] #63760: Single key arrow navigation in theme and media modals can interfere with screen reader navigation

[WordPress Trac]

#63760: Single key arrow navigation in theme and media modals can interfere with
screen reader navigation
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 Reporter:  joedolson                  |      Owner:  (none)
     Type:  defect (bug)               |     Status:  new
 Priority:  normal                     |  Milestone:  Awaiting Review
Component:  General                    |    Version:
 Severity:  normal                     |   Keywords:
  Focuses:  accessibility, javascript  |
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 With a screen reader running, left and right arrow keys are used to
 navigate. However, in the media and theme modals, they will also trigger
 moving to the next theme.

 There isn't a simple way to prevent this from working only if using a
 screen reader, so it would be good to provide a way to disable these
 keyboard events.

 This is very close to violating [WCAG SC
 2.1.4]https://www.w3.org/WAI/WCAG21/Understanding/character-key-
 shortcuts.html, but the criteria is specific to keys that input content,
 and so it doesn't cover arrow keys.

 However, this can be disconcerting for screen reader users, as they may
 navigate between different items when intending to explore the content.

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Ticket URL: <https://core.trac.wordpress.org/ticket/63760>
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