LibWeb: Add layout objects for fieldset and legend

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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/*
* Copyright (c) 2024, Kostya Farber <kostya.farber@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/Forward.h>
#include <LibWeb/Layout/BlockContainer.h>
namespace Web::Layout {
class FieldSetBox final : public BlockContainer {
JS_CELL(FieldSetBox, BlockContainer);
JS_DECLARE_ALLOCATOR(FieldSetBox);
public:
FieldSetBox(DOM::Document&, DOM::Element&, CSS::StyleProperties);
virtual ~FieldSetBox() override;
DOM::Element& dom_node() { return static_cast<DOM::Element&>(*BlockContainer::dom_node()); }
DOM::Element const& dom_node() const { return static_cast<DOM::Element const&>(*BlockContainer::dom_node()); }
void layout_legend() const;
private:
bool has_rendered_legend() const;
virtual bool is_fieldset_box() const final
{
return true;
}
};
template<>
inline bool Node::fast_is<FieldSetBox>() const { return is_fieldset_box(); }
}