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LibWeb: Exclude table-wrapper margins from table available width

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Table should not take up more width than is available inside wrapper
after margins are taken in account.
This commit is contained in:
Aliaksandr Kalenik
2023-05-03 15:26:01 +03:00
committed by Andreas Kling
parent 4d971b5bc5
commit 09d698e0a0
5 changed files with 94 additions and 1 deletions
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24
Userland/Libraries/LibWeb/Layout/BlockFormattingContext.cpp
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@@ -342,12 +342,34 @@ CSSPixels BlockFormattingContext::compute_width_for_table_wrapper(Box const& box
{
// 17.5.2
// Table wrapper width should be equal to width of table box it contains
auto const& computed_values = box.computed_values();
auto width_of_containing_block = available_space.width.to_px();
auto width_of_containing_block_as_length_for_resolve = available_space.width.is_definite() ? CSS::Length::make_px(width_of_containing_block) : CSS::Length::make_px(0);
auto zero_value = CSS::Length::make_px(0);
auto margin_left = computed_values.margin().left().resolved(box, width_of_containing_block_as_length_for_resolve).resolved(box);
auto margin_right = computed_values.margin().right().resolved(box, width_of_containing_block_as_length_for_resolve).resolved(box);
// If 'margin-left', or 'margin-right' are computed as 'auto', their used value is '0'.
if (margin_left.is_auto())
margin_left = zero_value;
if (margin_right.is_auto())
margin_right = zero_value;
// table-wrapper can't have borders or paddings but it might have margin taken from table-root.
auto available_width = width_of_containing_block - margin_left.to_px(box) - margin_right.to_px(box);
LayoutState throwaway_state(&m_state);
auto context = create_independent_formatting_context_if_needed(throwaway_state, box);
VERIFY(context);
context->run(box, LayoutMode::IntrinsicSizing, m_state.get(box).available_inner_space_or_constraints_from(available_space));
auto const* table_box = box.first_child_of_type<TableBox>();
return throwaway_state.get(*table_box).content_width();
auto table_used_width = throwaway_state.get(*table_box).content_width();
return table_used_width > available_width ? available_width : table_used_width;
}
void BlockFormattingContext::compute_height(Box const& box, AvailableSpace const& available_space)