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LibWeb: Fix bogus min/max-height for box-sizing:border-box flex items

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When resolving these constraints to CSS pixel sizes, we have to resolve
padding-top and padding-bottom against the flex container's *width*,
not its height.
This commit is contained in:
Andreas Kling 2023-03-10 11:54:52 +01:00
parent 24d5a9d7df
commit 0ef07383e5
Notes: sideshowbarker 2024-07-17 01:46:43 +09:00
3 changed files with 38 additions and 2 deletions

15
Tests/LibWeb/Layout/expected/flex-item-vertical-padding-relative-to-flex-container-width.txt Normal file
View file

@ -0,0 +1,15 @@
Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer <html> at (1,1) content-size 798x30 children: not-inline
BlockContainer <body> at (10,10) content-size 780x12 children: not-inline
BlockContainer <(anonymous)> at (10,10) content-size 780x0 children: inline
TextNode <#text>
Box <div.flex-container> at (11,11) content-size 600x10 flex-container(row) children: not-inline
BlockContainer <(anonymous)> at (11,11) content-size 0x0 children: inline
TextNode <#text>
BlockContainer <div.flex-item> at (12,72) content-size 24.859375x18.000007 flex-item children: inline
line 0 width: 24.859375, height: 19.359375, bottom: 19.359375, baseline: 15.5
frag 0 from TextNode start: 0, length: 3, rect: [12,72 24.859375x19.359375]
"foo"
TextNode <#text>
BlockContainer <(anonymous)> at (11,11) content-size 0x0 children: inline
TextNode <#text>

20
Tests/LibWeb/Layout/input/flex-item-vertical-padding-relative-to-flex-container-width.html Normal file
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@ -0,0 +1,20 @@
<style>
* {
border: 1px solid black;
}
.flex-container {
display: flex;
width: 600px;
height: 10px;
}
.flex-item {
background: orange;
box-sizing: border-box;
min-height: 200px;
padding-top: 10%;
padding-bottom: 20%;
}
</style>
<body>
<div class="flex-container">
<div class="flex-item">foo</div>

5
Userland/Libraries/LibWeb/Layout/FlexFormattingContext.cpp
View file

@ -55,10 +55,11 @@ CSSPixels FlexFormattingContext::get_pixel_height(Box const& box, CSS::Size cons
{
auto containing_block_height = CSS::Length::make_px(containing_block_height_for(box));
if (box.computed_values().box_sizing() == CSS::BoxSizing::BorderBox) {
auto containing_block_width = CSS::Length::make_px(containing_block_width_for(box));
auto border_top = box.computed_values().border_top().width;
auto border_bottom = box.computed_values().border_bottom().width;
auto padding_top = box.computed_values().padding().top().resolved(box, containing_block_height).to_px(box);
auto padding_bottom = box.computed_values().padding().bottom().resolved(box, containing_block_height).to_px(box);
auto padding_top = box.computed_values().padding().top().resolved(box, containing_block_width).to_px(box);
auto padding_bottom = box.computed_values().padding().bottom().resolved(box, containing_block_width).to_px(box);
return size.resolved(box, containing_block_height).to_px(box) - border_top - border_bottom - padding_top - padding_bottom;
}