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LibWeb: Naively implement the CSS clear property

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This is definitely not fully-featured, but basically we now handle
the clear property by forcing the cleared box below the bottom-most
floated box on the relevant side.
This commit is contained in:
Andreas Kling
2020-12-06 01:45:51 +01:00
parent 26a9ab7cd5
commit af757a1659
8 changed files with 120 additions and 0 deletions
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22
Libraries/LibWeb/Layout/BlockFormattingContext.cpp
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@@ -565,6 +565,28 @@ void BlockFormattingContext::place_block_level_non_replaced_element_in_normal_fl
}
}
if (box.style().clear() == CSS::Clear::Left || box.style().clear() == CSS::Clear::Both) {
if (!m_left_floating_boxes.is_empty()) {
float clearance_y = 0;
for (auto* floating_box : m_left_floating_boxes) {
clearance_y = max(clearance_y, floating_box->effective_offset().y() + floating_box->box_model().margin_box(*floating_box).bottom);
}
y = max(y, clearance_y);
m_left_floating_boxes.clear();
}
}
if (box.style().clear() == CSS::Clear::Right || box.style().clear() == CSS::Clear::Both) {
if (!m_right_floating_boxes.is_empty()) {
float clearance_y = 0;
for (auto* floating_box : m_right_floating_boxes) {
clearance_y = max(clearance_y, floating_box->effective_offset().y() + floating_box->box_model().margin_box(*floating_box).bottom);
}
y = max(y, clearance_y);
m_right_floating_boxes.clear();
}
}
box.set_offset(x, y);
}