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LibWeb: Support inserting non-inline elements into inline elements

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Our layout tree requires that all containers either have inline or
non-inline children. In order to support the layout of non-inline
elements inside inline elements, we need to do a bit of tree
restructuring. It effectively simulates temporarily closing all inline
nodes, appending the block element, and resumes appending to the last
open inline node.

The acid1.txt expectation needed to be updated to reflect the fact that
we now hoist its <p> elements out of the inline <form> they were in.
Visually, the before and after situations for acid1.html are identical.
This commit is contained in:
Jelle Raaijmakers
2025-01-15 16:37:30 +01:00
committed by Jelle Raaijmakers
parent 7eb4f3da37
commit 336684bc5c
18 changed files with 520 additions and 145 deletions
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9
Libraries/LibWeb/Dump.cpp
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@@ -210,7 +210,6 @@ void dump_tree(StringBuilder& builder, Layout::Node const& layout_node, bool sho
nonbox_color_on,
identifier,
color_off);
builder.append("\n"sv);
} else {
auto& box = as<Layout::Box>(layout_node);
StringView color_on = is<Layout::SVGBox>(box) ? svg_box_color_on : box_color_on;
@@ -334,10 +333,14 @@ void dump_tree(StringBuilder& builder, Layout::Node const& layout_node, bool sho
}
}
}
builder.append("\n"sv);
}
if (is<Layout::NodeWithStyleAndBoxModelMetrics>(layout_node)
&& static_cast<Layout::NodeWithStyleAndBoxModelMetrics const&>(layout_node).continuation_of_node())
builder.append(" continuation"sv);
builder.append("\n"sv);
if (layout_node.dom_node() && is<HTML::HTMLImageElement>(*layout_node.dom_node())) {
if (auto image_data = static_cast<HTML::HTMLImageElement const&>(*layout_node.dom_node()).current_request().image_data()) {
if (is<SVG::SVGDecodedImageData>(*image_data)) {