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LibWeb: Support more kinds of indefinite widths on flex column items

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This stuff is pretty hairy since the specifications don't give any
guidance on which widths to use when calculating the intrinsic height of
flex items in a column layout.

However, our old behavior of "treat anything indefinite as fit-content"
was definitely not good enough, so this patch improves the situation by
considering values like `min-content`, `max-content` and `fit-content`
separately from `auto`, and making the whole flex layout pipeline aware
of them (in the cross axis context).
This commit is contained in:
Andreas Kling 2023-08-05 09:11:57 +02:00
parent 17b363b596
commit 41e7c5766e
4 changed files with 144 additions and 24 deletions
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19
Tests/LibWeb/Layout/input/flex/intrinsic-height-of-column-items-with-different-kinds-of-width.html Normal file
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<!doctype html><style>
* { border: 1px solid black; }
body {
display: flex;
flex-direction: column;
}
.auto { width: auto; }
.px { width: 200px; }
.percentage { width: 50px; }
.max-content { width: max-content; }
.min-content { width: min-content; }
.fit-content { width: fit-content; }
.inner { display: flex; }
</style><body>
<div class="px"><div class="inner">px</div></div>
<div class="percentage"><div class="inner">percentage</div></div>
<div class="fit-content"><div class="inner">fit content</div></div>
<div class="max-content"><div class="inner">max content</div></div>
<div class="min-content"><div class="inner">min content</div></div>