Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: a344ae3a913bb5c8cf62580acc35c171bae2af1d
https://github.com/WebKit/WebKit/commit/a344ae3a913bb5c8cf62580acc35c171bae2af1d
Author: Sammy Gill <[email protected]>
Date: 2026-02-13 (Fri, 13 Feb 2026)
Changed paths:
M Source/WebCore/layout/integration/grid/LayoutIntegrationGridCoverage.cpp
Log Message:
-----------
[GFC][Integration] Allow auto as track sizing function for columns
https://bugs.webkit.org/show_bug.cgi?id=307721
rdar://170273673
Reviewed by Alan Baradlay.
We should now have an implementation inside of GFC to be able to size
columns with an auto track sizing function (assuming no other
restrictions to enter GFC like spanning items). We can now relax this
requirement and allow GFC to run this type of content, such as the
following:
<div style="display: grid; width: 100px; height: 100px; grid-template-columns:
auto auto; grid-template-rows: 100px; min-width: 0; min-height: 0; outline: 3px
solid green;">
<div style="outline: 1px solid red; grid-column: 1/2; grid-row: 1/2;
min-width: 0; min-height: 0;">x x x x</div>
<div style="outline: 1px solid red; grid-column: 2/3; grid-row: 1/2;
min-width: 0; min-height: 0;">x x x x xx</div>
</div>
* Source/WebCore/layout/integration/grid/LayoutIntegrationGridCoverage.cpp:
(WebCore::LayoutIntegration::gridLayoutAvoidanceReason):
"auto" is the last bit of the <track-breadth> syntax
<track-breadth> = <length-percentage [0,∞]> | <flex [0,∞]> | min-content |
max-content | auto
Since we know the track size is a track-breadth at this point and since
we support all other values, we can remove the rest of the logic and
just return std::nullopt.
Canonical link: https://commits.webkit.org/307496@main
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