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LibWeb: Skip abspos boxes layout in intrinsic sizing mode

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Absolutely positioned boxes do not affect the size of the formatting
context box they belong to, so it's safe to skip their layout entirely
when calculating intrinsic size.
This commit is contained in:
Aliaksandr Kalenik
2024-09-11 01:14:56 +02:00
committed by Andreas Kling
parent 90b8bfc04c
commit 4eb16b144e
3 changed files with 14 additions and 6 deletions
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2
Userland/Libraries/LibWeb/Layout/BlockFormattingContext.cpp
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@@ -108,6 +108,7 @@ void BlockFormattingContext::parent_context_did_dimension_child_root_box()
box_state.set_content_x(float_containing_block_width - floating_box->offset_from_edge);
}
if (m_layout_mode == LayoutMode::Normal) {
// We can also layout absolutely positioned boxes within this BFC.
for (auto& box : m_absolutely_positioned_boxes) {
auto& cb_state = m_state.get(*box->containing_block());
@@ -115,6 +116,7 @@ void BlockFormattingContext::parent_context_did_dimension_child_root_box()
auto available_height = AvailableSize::make_definite(cb_state.content_height() + cb_state.padding_top + cb_state.padding_bottom);
layout_absolutely_positioned_element(box, AvailableSpace(available_width, available_height));
}
}
}
bool BlockFormattingContext::box_should_avoid_floats_because_it_establishes_fc(Box const& box)

3
Userland/Libraries/LibWeb/Layout/FlexFormattingContext.cpp
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@@ -181,6 +181,9 @@ void FlexFormattingContext::run(AvailableSpace const& available_space)
void FlexFormattingContext::parent_context_did_dimension_child_root_box()
{
if (m_layout_mode != LayoutMode::Normal)
return;
flex_container().for_each_child_of_type<Box>([&](Layout::Box& box) {
if (box.is_absolutely_positioned()) {
auto& cb_state = m_state.get(*box.containing_block());

3
Userland/Libraries/LibWeb/Layout/GridFormattingContext.cpp
View File

@@ -2005,6 +2005,9 @@ void GridFormattingContext::layout_absolutely_positioned_element(Box const& box,
void GridFormattingContext::parent_context_did_dimension_child_root_box()
{
if (m_layout_mode != LayoutMode::Normal)
return;
grid_container().for_each_child_of_type<Box>([&](Layout::Box& box) {
if (box.is_absolutely_positioned()) {
auto& cb_state = m_state.get(*box.containing_block());