Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: dd84bf8fcfcc7d61bea8445271ac74862f857450
https://github.com/WebKit/WebKit/commit/dd84bf8fcfcc7d61bea8445271ac74862f857450
Author: Alan Baradlay <[email protected]>
Date: 2025-02-11 (Tue, 11 Feb 2025)
Changed paths:
M
LayoutTests/compositing/scrolling/async-overflow-scrolling/overlapped-overlay-scrollbar-nested-expected.txt
M
LayoutTests/compositing/tiling/perspective-on-scroller-tile-coverage-expected.txt
A
LayoutTests/fast/overflow/block-scroll-overflow-with-margin-inline-end-expected.txt
A
LayoutTests/fast/overflow/block-scroll-overflow-with-margin-inline-end.html
M
LayoutTests/imported/w3c/web-platform-tests/css/css-anchor-position/anchor-scroll-position-try-001-expected.txt
M
LayoutTests/imported/w3c/web-platform-tests/css/css-contain/content-visibility/content-visibility-090.html
M
LayoutTests/imported/w3c/web-platform-tests/scroll-animations/css/view-timeline-inset-animation-expected.txt
M
LayoutTests/platform/ios/compositing/tiling/perspective-on-scroller-tile-coverage-expected.txt
M LayoutTests/platform/ios/tables/mozilla/bugs/bug83786-expected.txt
M LayoutTests/platform/mac/tables/mozilla/bugs/bug83786-expected.txt
M
LayoutTests/scrollingcoordinator/scrolling-tree/absolute-in-nested-sc-scrollers-expected.txt
M Source/WebCore/rendering/RenderBox.cpp
Log Message:
-----------
Element with `overflow: scroll` does not correctly account for the right
margin of its child to determine the scrollable area
https://bugs.webkit.org/show_bug.cgi?id=285754
<rdar://problem/142695395>
Reviewed by Antti Koivisto.
This change aligns overflow behavior (on block containers) with Chrome and
Firefox.
https://drafts.csswg.org/css-overflow/#scrollable
"The UA may additionally include the margin areas of other boxes for which the
box establishes a containing block; however, the conditions under which such
margin areas are included is undefined in this level."
Both Chrome and Firefox include margin.
FAIL -> PASS
imported/w3c/web-platform-tests/scroll-animations/css/view-timeline-inset-animation.html
Updated geometry dump with new scrollWidth value (matches Chrome and Firefox)
tables/mozilla/bugs/bug83786.html
compositing/scrolling/async-overflow-scrolling/overlapped-overlay-scrollbar-nested.html
compositing/tiling/perspective-on-scroller-tile-coverage.html
Updated test expectation: now inline axis matches block axis (both include
margin).
imported/w3c/web-platform-tests/css/css-contain/content-visibility/content-visibility-090.html
Updated geometry dump, while I was not able to test it with Chrome/Firefox, it
looks like now inline axis matches block axis
scrollingcoordinator/scrolling-tree/absolute-in-nested-sc-scrollers.html
FAIL -> FAIL
imported/w3c/web-platform-tests/css/css-anchor-position/anchor-scroll-position-try-001.html
*
LayoutTests/fast/overflow/block-scroll-overflow-with-margin-inline-end-expected.txt:
Added.
* LayoutTests/fast/overflow/block-scroll-overflow-with-margin-inline-end.html:
Added.
* Source/WebCore/rendering/RenderBox.cpp:
(WebCore::shouldMarginInlineEndContributeToScrollableOverflow):
(WebCore::RenderBox::computeLogicalWidth const):
(WebCore::RenderBox::layoutOverflowRectForPropagation const):
Canonical link: https://commits.webkit.org/290207@main
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