mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-04-25 14:05:15 +00:00
830a57c6b2
Let's rename this to LibWeb since it aims to provide more parts of the web platform than just HTML. :^)
72 lines
3.1 KiB
C++
72 lines
3.1 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <AK/Utf8View.h>
|
|
#include <LibWeb/Layout/LayoutNode.h>
|
|
#include <LibWeb/Layout/LayoutText.h>
|
|
#include <LibWeb/Layout/LineBox.h>
|
|
#include <ctype.h>
|
|
|
|
namespace Web {
|
|
|
|
void LineBox::add_fragment(const LayoutNode& layout_node, int start, int length, int width, int height)
|
|
{
|
|
bool text_align_is_justify = layout_node.style().string_or_fallback(CSS::PropertyID::TextAlign, "left") == "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 LayoutNode on the line.
|
|
// Expand the last fragment instead of adding a new one with the same LayoutNode.
|
|
m_fragments.last().m_length = (start - m_fragments.last().m_start) + length;
|
|
m_fragments.last().m_rect.set_width(m_fragments.last().m_rect.width() + width);
|
|
} else {
|
|
m_fragments.empend(layout_node, start, length, Gfx::FloatRect(m_width, 0, width, height));
|
|
}
|
|
m_width += width;
|
|
}
|
|
|
|
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().style().font().glyph_width(' ');
|
|
while (last_fragment.length() && isspace(last_text[last_fragment.length() - 1])) {
|
|
last_fragment.m_length -= 1;
|
|
last_fragment.m_rect.set_width(last_fragment.m_rect.width() - space_width);
|
|
m_width -= space_width;
|
|
}
|
|
}
|
|
|
|
}
|