mirror of
https://github.com/LadybirdBrowser/ladybird
synced 2026-04-26 09:45:06 +02:00
b3231ea2a0
Absolutely positioned elements inside SVG foreignObject were being positioned relative to an ancestor containing block outside the SVG, instead of relative to the foreignObject itself. Per a W3C resolution and the behavior of other browsers, foreignObject should establish a containing block for absolutely and fixed positioned elements. With this fix, the `has_abspos_with_external_containing_block` check in `set_needs_layout_update()` and the abspos preservation loop in `relayout_svg_root()` become dead code — remove both and simplify the ancestor loops. Rename related tests to reflect the new behavior. Fixes https://github.com/LadybirdBrowser/ladybird/issues/3241
30 lines
1.9 KiB
Plaintext
30 lines
1.9 KiB
Plaintext
Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] [BFC] children: not-inline
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BlockContainer <html> at [0,0] [0+0+0 800 0+0+0] [0+0+0 216 0+0+0] [BFC] children: not-inline
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BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 200 0+0+8] children: inline
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frag 0 from SVGSVGBox start: 0, length: 0, rect: [8,8 200x200] baseline: 200
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SVGSVGBox <svg> at [8,8] [0+0+0 200 0+0+0] [0+0+0 200 0+0+0] [SVG] children: inline
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TextNode <#text> (not painted)
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SVGForeignObjectBox <foreignObject> at [58,58] [0+0+0 100 0+0+0] [0+0+0 100 0+0+0] [BFC] children: not-inline
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BlockContainer <(anonymous)> at [58,58] [0+0+0 100 0+0+0] [0+0+0 0 0+0+0] children: inline
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TextNode <#text> (not painted)
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BlockContainer <div> at [58,58] positioned [0+0+0 100 0+0+0] [0+0+0 100 0+0+0] [BFC] children: inline
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frag 0 from TextNode start: 0, length: 12, rect: [58,58 94.15625x18] baseline: 13.796875
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"I am offset!"
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TextNode <#text> (not painted)
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TextNode <#text> (not painted)
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TextNode <#text> (not painted)
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TextNode <#text> (not painted)
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ViewportPaintable (Viewport<#document>) [0,0 800x600]
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PaintableWithLines (BlockContainer<HTML>) [0,0 800x216]
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PaintableWithLines (BlockContainer<BODY>) [8,8 784x200]
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SVGSVGPaintable (SVGSVGBox<svg>) [8,8 200x200]
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SVGForeignObjectPaintable (SVGForeignObjectBox<foreignObject>) [58,58 100x100]
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PaintableWithLines (BlockContainer(anonymous)) [58,58 100x0]
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PaintableWithLines (BlockContainer<DIV>) [58,58 100x100]
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TextPaintable (TextNode<#text>)
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SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
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SC for BlockContainer<HTML> [0,0 800x216] [children: 1] (z-index: auto)
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SC for SVGForeignObjectBox<foreignObject> [58,58 100x100] [children: 0] (z-index: auto)
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