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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [GTK] The scrollbar apeears on the left side on RTL (2.13.2)"
href="https://bugs.webkit.org/show_bug.cgi?id=159121#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [GTK] The scrollbar apeears on the left side on RTL (2.13.2)"
href="https://bugs.webkit.org/show_bug.cgi?id=159121">bug 159121</a>
from <span class="vcard"><a class="email" href="mailto:mmaxfield@apple.com" title="Myles C. Maxfield <mmaxfield@apple.com>"> <span class="fn">Myles C. Maxfield</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=159121#c1">comment #1</a>)
<span class="quote">> I'm confused, because in any other application (tested nautilus and gedit) I
> can see scrollbars are on the left when running with LANG=he_IL.utf-8... so
> why shouldn't they be on the left for web sites as well? If it's just
> "because that's what other browsers do," I guess that expectation will
> change once this change hits Apple devices, right? Striving for consistency
> with the rest of the desktop seems more important to me.
>
> I'll note that some of the layout tests are skipped with the comment "RTL
> scrollbars are only supported on Mac." We certainly do support RTL in GTK
> and expect our scrollbars to do... something that is familiar to folks who
> use RTL locales. I see there is a new ScrollableArea::systemLanguageIsRTL
> function that is only implemented on OS X. Guess: is it possible that the
> scrollbars are always on the left on OS X, but in GTK the position varies
> based on the language used on the web page rather than system locale? If
> this is the problem, I can see why that would be problematic. I guess if we
> were to implement that function, the scrollbars would then always be on the
> left (in RTL locales); that's the opposite of what you requested, but would
> that be desirable for Hebrew, Yosef?</span >
For the macOS port, I've implemented a WK2 API userInterfaceDirectionPolicy on the WKWebViewConfigurationPolicy which allows changing between two modes:
- Web content selecting the placement of scrollbars (via dir="rtl")
- Embedding app selecting the placement of scrollbars (via the macOS platform's mechanism for doing so)
The intention is that web browsers will opt for the first mode and web views in native apps will opt for the second mode. The first mode is the default.
Please see <a href="https://trac.webkit.org/changeset/200116">https://trac.webkit.org/changeset/200116</a></pre>
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