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LibWeb: Add layout objects for fieldset and legend

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Add the boilerplate code for the layout objects that represent the
`<fieldset>` and `<legend>` elements. Using these, we can make progress
towards laying out these two elements per the spec at
https://html.spec.whatwg.org/multipage/rendering.html#the-fieldset-and-legend-elements.
This commit is contained in:
Kostya Farber 2024-11-05 08:07:13 +00:00 • committed by Alexander Kalenik
commit a820308a02
Notes: github-actions[bot] 2024-11-19 13:32:03 +00:00
12 changed files with 173 additions and 0 deletions
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34
Libraries/LibWeb/Layout/FieldSetBox.cpp Normal file
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/*
* Copyright (c) 2024, Kostya Farber <kostya.farber@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Forward.h>
#include <LibWeb/HTML/HTMLLegendElement.h>
#include <LibWeb/Layout/FieldSetBox.h>
namespace Web::Layout {
JS_DEFINE_ALLOCATOR(FieldSetBox);
FieldSetBox::FieldSetBox(DOM::Document& document, DOM::Element& element, CSS::StyleProperties style)
: BlockContainer(document, &element, move(style))
{
}
FieldSetBox::~FieldSetBox() = default;
bool FieldSetBox::has_rendered_legend() const
{
// https://html.spec.whatwg.org/#rendered-legend
if (this->has_children() && this->first_child()->is_legend_box()) {
auto* first_child = this->first_child();
return first_child->computed_values().float_() == CSS::Float::None
&& first_child->computed_values().position() != CSS::Positioning::Absolute
&& first_child->computed_values().position() != CSS::Positioning::Fixed;
}
return false;
}
}