Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 0702fdd8610d6a05fe8965637ede2561c18cf25d
https://github.com/WebKit/WebKit/commit/0702fdd8610d6a05fe8965637ede2561c18cf25d
Author: Alan Baradlay <[email protected]>
Date: 2026-10-02 (Fri, 02 Oct 2026)
Changed paths:
M LayoutTests/TestExpectations
M
LayoutTests/imported/w3c/web-platform-tests/css/css-overflow/line-clamp/block-ellipsis-018.html
M Source/WebCore/rendering/LineClampUpdater.h
Log Message:
-----------
[line-clamp] line-clamp on a float or an absolutely positioned box is ignored
https://bugs.webkit.org/show_bug.cgi?id=325454
<rdar://problem/188552622>
Reviewed by Antti Koivisto.
<div style="position: absolute; width: 100px; line-clamp: 1">first line second
line</div>
The box should show one line with an ellipsis. LineClampUpdater keeps the clamp
of the containing block out of
floats and out-of-flow boxes, but it also returned before looking at the box's
own max-lines, so the box never
clamped. Now it clamps its own content, and its lines still do not count
towards an outer clamp since it
establishes an independent formatting context.
* LayoutTests/TestExpectations: block-ellipsis-018, -019, -021 and -039 pass
now.
*
LayoutTests/imported/w3c/web-platform-tests/css/css-overflow/line-clamp/block-ellipsis-018.html:
Tolerate the gradient's off-by-one green pixels.
* Source/WebCore/rendering/LineClampUpdater.h:
(WebCore::LineClampUpdater::LineClampUpdater):
(WebCore::LineClampUpdater::~LineClampUpdater):
Canonical link: https://commits.webkit.org/322551@main
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