[wp-trac] [WordPress Trac] #30900: Admin menu is flickering when scrolling left or right

WordPress Trac noreply at wordpress.org
Sun Feb 22 23:03:02 UTC 2015

#30900: Admin menu is flickering when scrolling left or right
 Reporter:  mindrun                  |       Owner:
     Type:  defect (bug)             |      Status:  new
 Priority:  normal                   |   Milestone:  4.2
Component:  Administration           |     Version:  4.1
 Severity:  normal                   |  Resolution:
 Keywords:  has-patch needs-testing  |     Focuses:  ui, administration

Comment (by joemcgill):

 Replying to [comment:9 azaozz]:
 > Needs testing to confirm that `#adminmenuback { position: fixed; }`
 doesn't break in iOS Safari when scrolling and the keyboard is open.

 Thanks for the question about mobile Safari. I tested the patch in iOS
 Safari and didn't notice any issues. In this case, I'm fairly certain
 we're safe because the `position: fixed` and `z-index` rules are both
 overridden by the media query rules (max-width: 782px) found in admin-
 menu.css, [https://core.trac.wordpress.org/browser/trunk/src/wp-admin/css
 /admin-menu.css#L743 line 757]. Also, the `#adminmenuback` component is
 set to `display:none;` on any viewport that is smaller than 600px wide
 menu.css#L912 line 912]).

 Maybe @helen could give additional insight into whether the use of
 absolute vs. fixed positioning was intentional here.

Ticket URL: <https://core.trac.wordpress.org/ticket/30900#comment:10>
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