mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 15:32:46 +00:00
1682f0b760
SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/Utf8View.h>
|
|
#include <LibWeb/Layout/Box.h>
|
|
#include <LibWeb/Layout/LineBox.h>
|
|
#include <LibWeb/Layout/Node.h>
|
|
#include <LibWeb/Layout/TextNode.h>
|
|
#include <ctype.h>
|
|
|
|
namespace Web::Layout {
|
|
|
|
void LineBox::add_fragment(Node& layout_node, int start, int length, float width, float height, LineBoxFragment::Type fragment_type)
|
|
{
|
|
bool text_align_is_justify = layout_node.computed_values().text_align() == CSS::TextAlign::Justify;
|
|
if (!text_align_is_justify && !m_fragments.is_empty() && &m_fragments.last().layout_node() == &layout_node) {
|
|
// The fragment we're adding is from the last Layout::Node on the line.
|
|
// Expand the last fragment instead of adding a new one with the same Layout::Node.
|
|
m_fragments.last().m_length = (start - m_fragments.last().m_start) + length;
|
|
m_fragments.last().set_width(m_fragments.last().width() + width);
|
|
} else {
|
|
m_fragments.append(make<LineBoxFragment>(layout_node, start, length, Gfx::FloatPoint(m_width, 0.0f), Gfx::FloatSize(width, height), fragment_type));
|
|
}
|
|
m_width += width;
|
|
|
|
if (is<Box>(layout_node))
|
|
downcast<Box>(layout_node).set_containing_line_box_fragment(m_fragments.last());
|
|
}
|
|
|
|
void LineBox::trim_trailing_whitespace()
|
|
{
|
|
while (!m_fragments.is_empty() && m_fragments.last().is_justifiable_whitespace()) {
|
|
auto fragment = m_fragments.take_last();
|
|
m_width -= fragment->width();
|
|
}
|
|
|
|
if (m_fragments.is_empty())
|
|
return;
|
|
|
|
auto last_text = m_fragments.last().text();
|
|
if (last_text.is_null())
|
|
return;
|
|
auto& last_fragment = m_fragments.last();
|
|
|
|
int space_width = last_fragment.layout_node().font().glyph_width(' ');
|
|
while (last_fragment.length() && isspace(last_text[last_fragment.length() - 1])) {
|
|
last_fragment.m_length -= 1;
|
|
last_fragment.set_width(last_fragment.width() - space_width);
|
|
m_width -= space_width;
|
|
}
|
|
}
|
|
|
|
bool LineBox::is_empty_or_ends_in_whitespace() const
|
|
{
|
|
if (m_fragments.is_empty())
|
|
return true;
|
|
return m_fragments.last().ends_in_whitespace();
|
|
}
|
|
|
|
}
|