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https://github.com/RGBCube/serenity
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de6f7f0029
CSS floats are now emitted by the InlineLevelIterator. When this happens, IFC coordinates with the parent BFC to float the box to the side, using the current LineBuilder state for vertical placement. This makes the "instructions" text on Acid3 render as a single contiguous flow of inline content.
59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
/*
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* Copyright (c) 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 <LibWeb/Layout/InlineFormattingContext.h>
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namespace Web::Layout {
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class LineBuilder {
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AK_MAKE_NONCOPYABLE(LineBuilder);
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AK_MAKE_NONMOVABLE(LineBuilder);
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public:
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LineBuilder(InlineFormattingContext&, FormattingState&, LayoutMode);
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~LineBuilder();
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void break_line();
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void append_box(Box const&, float leading_size, float trailing_size, float leading_margin, float trailing_margin);
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void append_text_chunk(TextNode const&, size_t offset_in_node, size_t length_in_node, float leading_size, float trailing_size, float leading_margin, float trailing_margin, float content_width, float content_height);
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void break_if_needed(LayoutMode layout_mode, float next_item_width, bool should_force_break)
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{
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if (should_break(layout_mode, next_item_width, should_force_break))
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break_line();
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}
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float available_width_for_current_line() const { return m_available_width_for_current_line; }
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void update_last_line();
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void remove_last_line_if_empty();
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float current_y() const { return m_current_y; }
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void adjust_last_line_after_inserting_floating_box(Badge<BlockFormattingContext>, CSS::Float, float space_used_by_float);
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private:
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void begin_new_line(bool increment_y);
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bool should_break(LayoutMode, float next_item_width, bool should_force_break);
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LineBox& ensure_last_line_box();
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InlineFormattingContext& m_context;
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FormattingState& m_formatting_state;
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FormattingState::NodeState& m_containing_block_state;
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LayoutMode m_layout_mode {};
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float m_available_width_for_current_line { 0 };
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float m_current_y { 0 };
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float m_max_height_on_current_line { 0 };
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bool m_last_line_needs_update { false };
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};
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}
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