[Webkit-unassigned] [Bug 105486] Need to re-layout fixed position elements after scale when using settings()->fixedElementsLayoutRelativeToFrame()

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Feb 5 12:55:49 PST 2013


--- Comment #32 from Simon Fraser (smfr) <simon.fraser at apple.com>  2013-02-05 12:57:54 PST ---
(In reply to comment #31)
> (In reply to comment #30)
> > One reason is because there is no reliable way to completely hide scrollbar on Mac. Setting <body style="overflow:hidden"> won't work when a page is scaled, and the Mac doesn't support -webkit-scrollbar. Being unable to hide scrollbar, the visible content size becomes an odd number (785, 585), and rounding errors come up when page is scaled, making it impossible to write a ref-test that works.
> You could try to use overflow:overlay, which should draw scrollbars that don't take up space.

Please don't, we're going to obsolete that value at some point.

Custom scrollbars work in WK2, so use them if you have to but you'll have to mark WK1 tests as expected failures.

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