a51cee748f
Why exactly the linter didn't whine about this is a mystery. These constants aren't needed anymore since the functionality moved to AK/String a while ago.
79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Tobias Christiansen <tobi@tobyase.de>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/StringBuilder.h>
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#include <LibGfx/Painter.h>
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#include <LibWeb/Layout/ListItemMarkerBox.h>
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namespace Web::Layout {
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ListItemMarkerBox::ListItemMarkerBox(DOM::Document& document, CSS::ListStyleType style_type, size_t index)
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: Box(document, nullptr, CSS::StyleProperties::create())
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, m_list_style_type(style_type)
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, m_index(index)
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{
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}
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ListItemMarkerBox::~ListItemMarkerBox()
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{
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}
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void ListItemMarkerBox::paint(PaintContext& context, PaintPhase phase)
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{
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if (phase != PaintPhase::Foreground)
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return;
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// FIXME: It would be nicer to not have to go via the parent here to get our inherited style.
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auto color = parent()->computed_values().color();
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auto enclosing = enclosing_int_rect(absolute_rect());
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int marker_width = (int)enclosing.height() / 2;
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Gfx::IntRect marker_rect { 0, 0, marker_width, marker_width };
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marker_rect.center_within(enclosing);
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switch (m_list_style_type) {
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case CSS::ListStyleType::Square:
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context.painter().fill_rect(marker_rect, color);
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break;
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case CSS::ListStyleType::Circle:
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// For some reason for draw_ellipse() the ellipse is outside of the rect while for fill_ellipse() the ellipse is inside.
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// Scale the marker_rect with sqrt(2) to get an ellipse arc (circle) that appears as if it was inside of the marker_rect.
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marker_rect.set_height(marker_rect.height() / 1.41);
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marker_rect.set_width(marker_rect.width() / 1.41);
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marker_rect.center_within(enclosing);
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context.painter().draw_ellipse_intersecting(marker_rect, color);
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break;
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case CSS::ListStyleType::Decimal:
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context.painter().draw_text(enclosing, String::formatted("{}.", m_index), Gfx::TextAlignment::Center);
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break;
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case CSS::ListStyleType::Disc:
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context.painter().fill_ellipse(marker_rect, color);
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break;
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case CSS::ListStyleType::DecimalLeadingZero:
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// This is weird, but in accordance to spec.
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context.painter().draw_text(
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enclosing,
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m_index < 10 ? String::formatted("0{}.", m_index) : String::formatted("{}.", m_index),
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Gfx::TextAlignment::Center);
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break;
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case CSS::ListStyleType::LowerAlpha:
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case CSS::ListStyleType::LowerLatin:
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context.painter().draw_text(enclosing, String::bijective_base_from(m_index).to_lowercase(), Gfx::TextAlignment::Center);
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break;
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case CSS::ListStyleType::UpperAlpha:
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case CSS::ListStyleType::UpperLatin:
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context.painter().draw_text(enclosing, String::bijective_base_from(m_index), Gfx::TextAlignment::Center);
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break;
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case CSS::ListStyleType::None:
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return;
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default:
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VERIFY_NOT_REACHED();
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}
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}
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}
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