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https://github.com/RGBCube/serenity
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f161e20e57
Instead of formatting contexts flailing around to figure out from the "inside" how much space is available on the "outside", we should provide the amount of available space in both axes as an input to run(). This basically means that when something creates a nested formatting context, the parent context is responsible for telling the nested context how much space is available for layout. This information is provided immediately when invoking run(). Note that this commit doesn't pass accurate values in all cases yet. This first step just makes it build, and passes available values in some cases where getting them was trivial.
46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
/*
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* Copyright (c) 2020-2022, Andreas Kling <kling@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 <AK/Types.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/Layout/BlockContainer.h>
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#include <LibWeb/Layout/FormattingContext.h>
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namespace Web::Layout {
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class InlineFormattingContext final : public FormattingContext {
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public:
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InlineFormattingContext(LayoutState&, BlockContainer const& containing_block, BlockFormattingContext& parent);
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~InlineFormattingContext();
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BlockFormattingContext& parent();
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BlockFormattingContext const& parent() const;
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BlockContainer const& containing_block() const { return static_cast<BlockContainer const&>(context_box()); }
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virtual void run(Box const&, LayoutMode, AvailableSpace const& available_width, AvailableSpace const& available_height) override;
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virtual float automatic_content_height() const override;
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void dimension_box_on_line(Box const&, LayoutMode);
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float leftmost_x_offset_at(float y) const;
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float available_space_for_line(float y) const;
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bool any_floats_intrude_at_y(float y) const;
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bool can_fit_new_line_at_y(float y) const;
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float effective_containing_block_width() const { return m_effective_containing_block_width; }
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private:
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void generate_line_boxes(LayoutMode);
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void apply_justification_to_fragments(CSS::TextJustify, LineBox&, bool is_last_line);
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LayoutState::UsedValues const& m_containing_block_state;
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float m_effective_containing_block_width { 0 };
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};
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}
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