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https://github.com/RGBCube/serenity
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4bc38300ad
CSSPixels should not be wrapped into CSS::Length before being passed to resolved() to end up resolving percentages without losing precision. Fixes thrashing layout when 33.3333% width is used together with "box-sizing: border-box".
96 lines
2.7 KiB
C++
96 lines
2.7 KiB
C++
/*
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* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2023, Sam Atkins <atkinssj@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibWeb/CSS/Length.h>
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#include <LibWeb/CSS/PercentageOr.h>
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namespace Web::CSS {
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class Size {
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public:
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enum class Type {
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Auto,
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Calculated,
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Length,
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Percentage,
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MinContent,
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MaxContent,
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FitContent,
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None, // NOTE: This is only valid for max-width and max-height.
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};
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static Size make_auto();
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static Size make_px(CSSPixels);
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static Size make_length(Length);
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static Size make_percentage(Percentage);
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static Size make_calculated(NonnullRefPtr<CalculatedStyleValue>);
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static Size make_min_content();
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static Size make_max_content();
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static Size make_fit_content(Length available_space);
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static Size make_fit_content();
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static Size make_none();
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bool is_auto() const { return m_type == Type::Auto; }
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bool is_calculated() const { return m_type == Type::Calculated; }
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bool is_length() const { return m_type == Type::Length; }
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bool is_percentage() const { return m_type == Type::Percentage; }
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bool is_min_content() const { return m_type == Type::MinContent; }
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bool is_max_content() const { return m_type == Type::MaxContent; }
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bool is_fit_content() const { return m_type == Type::FitContent; }
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bool is_none() const { return m_type == Type::None; }
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// FIXME: This is a stopgap API that will go away once all layout code is aware of CSS::Size.
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CSS::Length resolved(Layout::Node const&, CSSPixels reference_value) const;
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[[nodiscard]] CSSPixels to_px(Layout::Node const&, CSSPixels reference_value) const;
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bool contains_percentage() const;
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CalculatedStyleValue const& calculated() const
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{
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VERIFY(is_calculated());
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return m_length_percentage.calculated();
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}
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CSS::Length const& length() const
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{
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VERIFY(is_length());
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return m_length_percentage.length();
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}
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CSS::Percentage const& percentage() const
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{
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VERIFY(is_percentage());
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return m_length_percentage.percentage();
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}
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CSS::Length const& fit_content_available_space() const
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{
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VERIFY(is_fit_content());
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return m_length_percentage.length();
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}
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String to_string() const;
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private:
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Size(Type type, LengthPercentage);
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Type m_type {};
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CSS::LengthPercentage m_length_percentage;
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};
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}
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template<>
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struct AK::Formatter<Web::CSS::Size> : Formatter<StringView> {
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ErrorOr<void> format(FormatBuilder& builder, Web::CSS::Size const& size)
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{
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return Formatter<StringView>::format(builder, size.to_string());
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}
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};
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