ladybird/Libraries/LibWeb/Layout/InlineFormattingContext.h
Jelle Raaijmakers c07e92fc7e LibWeb: Apply text-overflow ellipsis as line box post-processing
The previous implementation checked text-overflow and overflow-x
on the text node's direct parent during inline item iteration.
Since these are non-inherited properties, ellipsis only worked
for text directly inside the block container, not when wrapped
in inline elements like <span> or <a>.

Move ellipsis truncation to a post-processing step after line
boxes are constructed, checking the containing block instead.
2026-03-26 00:19:50 +00:00

56 lines
1.9 KiB
C++

/*
* Copyright (c) 2020-2024, Andreas Kling <andreas@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Types.h>
#include <LibWeb/Forward.h>
#include <LibWeb/Layout/BlockContainer.h>
#include <LibWeb/Layout/FormattingContext.h>
namespace Web::Layout {
class InlineFormattingContext final : public FormattingContext {
public:
InlineFormattingContext(LayoutState&, LayoutMode, BlockContainer const& containing_block, LayoutState::UsedValues& containing_block_used_values, BlockFormattingContext& parent);
~InlineFormattingContext();
BlockFormattingContext& parent();
BlockFormattingContext const& parent() const;
BlockContainer const& containing_block() const { return static_cast<BlockContainer const&>(context_box()); }
virtual void run(AvailableSpace const&) override;
virtual CSSPixels automatic_content_height() const override;
virtual CSSPixels automatic_content_width() const override;
StaticPositionRect calculate_static_position_rect(Box const&) const;
void dimension_box_on_line(Box const&, LayoutMode);
CSSPixels leftmost_inline_offset_at(CSSPixels y) const;
AvailableSize available_space_for_line(CSSPixels y) const;
bool any_floats_intrude_at_block_offset(CSSPixels block_offset) const;
bool can_fit_new_line_at_block_offset(CSSPixels block_offset) const;
CSSPixels vertical_float_clearance() const;
void set_vertical_float_clearance(CSSPixels);
private:
void generate_line_boxes();
void apply_text_overflow_ellipsis(Vector<LineBox>&);
void apply_justification_to_fragments(CSS::TextJustify, LineBox&, bool is_last_line);
LayoutState::UsedValues& m_containing_block_used_values;
Optional<AvailableSpace> m_available_space;
CSSPixels m_automatic_content_width { 0 };
CSSPixels m_automatic_content_height { 0 };
CSSPixels m_vertical_float_clearance { 0 };
};
}