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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
Notes: github-actions[bot] 2024-09-11 07:30:53 +00:00
3 changed files with 14 additions and 6 deletions
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14
Userland/Libraries/LibWeb/Layout/BlockFormattingContext.cpp
View file

@ -108,12 +108,14 @@ void BlockFormattingContext::parent_context_did_dimension_child_root_box()
box_state.set_content_x(float_containing_block_width - floating_box->offset_from_edge);
}
// 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());
auto available_width = AvailableSize::make_definite(cb_state.content_width() + cb_state.padding_left + cb_state.padding_right);
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));
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());
auto available_width = AvailableSize::make_definite(cb_state.content_width() + cb_state.padding_left + cb_state.padding_right);
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));
}
}
}

3
Userland/Libraries/LibWeb/Layout/FlexFormattingContext.cpp
View file

@ -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());