Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 14e5876cdabbe3613f589130b439cba4e9280dd4
      
https://github.com/WebKit/WebKit/commit/14e5876cdabbe3613f589130b439cba4e9280dd4
  Author: Alan Baradlay <[email protected]>
  Date:   2025-12-20 (Sat, 20 Dec 2025)

  Changed paths:
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-ui/text-overflow-with-selection-expected.html
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-ui/text-overflow-with-selection-ref.html
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-ui/text-overflow-with-selection.html
    M Source/WebCore/layout/integration/inline/InlineIteratorBoxModernPath.h
    M 
Source/WebCore/layout/integration/inline/InlineIteratorBoxModernPathInlines.h
    M Source/WebCore/rendering/TextBoxPainter.cpp
    M Source/WebCore/rendering/TextBoxSelectableRange.h

  Log Message:
  -----------
  Text highlighting range is wrong for truncated RTL text.
https://bugs.webkit.org/show_bug.cgi?id=304475

Reviewed by Antti Koivisto.

Expand on 263418@main by moving truncation handling over to 
TextBoxSelectableRange to
ensure all callers get correct start/end positions when RTL content is 
truncated.
(imported/w3c/web-platform-tests/css/css-ui/text-overflow-028.html now passes 
the selection
test too not just the painting one. -263418@main only fixed painting)

Tests: 
imported/w3c/web-platform-tests/css/css-ui/text-overflow-with-selection-ref.html
       
imported/w3c/web-platform-tests/css/css-ui/text-overflow-with-selection.html

* 
LayoutTests/imported/w3c/web-platform-tests/css/css-ui/text-overflow-with-selection-expected.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-ui/text-overflow-with-selection-ref.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-ui/text-overflow-with-selection.html:
 Added.
* Source/WebCore/layout/integration/inline/InlineIteratorBoxModernPath.h:
(WebCore::InlineIterator::BoxModernPath::writingMode const):
(WebCore::InlineIterator::BoxModernPath::selectableRange const):
* Source/WebCore/layout/integration/inline/InlineIteratorBoxModernPathInlines.h:
(WebCore::InlineIterator::BoxModernPath::writingMode const): Deleted.
* Source/WebCore/rendering/TextBoxPainter.cpp:
(WebCore::TextBoxPainter::paintForegroundAndDecorations):
* Source/WebCore/rendering/TextBoxSelectableRange.h:
(WebCore::TextBoxSelectableRange::clamp const):

Canonical link: https://commits.webkit.org/304821@main



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