Bug 304717

Summary: RenderGrid's self-alignment property handling is a tangled mess
Product: WebKit Reporter: fantasai <fantasai.bugs>
Component: Layout and RenderingAssignee: fantasai <fantasai.bugs>
Status: RESOLVED FIXED    
Severity: Normal CC: bfulgham, brandonstewart, sgill26, simon.fraser, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: WebKit Local Build   
Hardware: Unspecified   
OS: Unspecified   
Bug Depends on: 304716    
Bug Blocks: 304715    

fantasai
Reported 2025-12-26 18:32:04 PST
The self-alignment property handling in RenderGrid is a mess: - We retrieve the alignment value in multiple places, in inconsistent ways, which is a recipe for bugs. - We push some of the code handling up into RenderBox, which is a superclass that shouldn't need to have grid-specific code in it. As a result, the whole system for piping "is this a stretched item" through our rendering code is a tangled mess, and it's difficult to make any adjustments (e.g. to handle grid-lanes layout or any other new rules) correctly and thoroughly.
Attachments
Radar WebKit Bug Importer
Comment 1 2025-12-26 18:32:10 PST
fantasai
Comment 2 2025-12-26 19:34:00 PST
EWS
Comment 3 2026-01-08 00:35:40 PST
Committed 305260@main (810cb2deb144): <https://commits.webkit.org/305260@main> Reviewed commits have been landed. Closing PR #55887 and removing active labels.
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