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LibWeb: Implement iterative percentage size for spanning table cells

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Follow the computing column measures section of the specification, which
gives an algorithm for setting intrinsic percentage widths when spanning
columns are involved.
This commit is contained in:
Andi Gallo 2023-07-17 01:22:11 +00:00 • committed by Andreas Kling
parent 1f3fca996c
commit 268355c759
4 changed files with 260 additions and 14 deletions
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14
Userland/Libraries/LibWeb/Layout/TableFormattingContext.h
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@ -45,6 +45,8 @@ private:
void initialize_table_measures();
template<class RowOrColumn>
void compute_table_measures();
template<class RowOrColumn>
void compute_intrinsic_percentage(size_t max_cell_span);
void compute_table_width();
void distribute_width_to_columns();
void distribute_excess_width_to_columns(CSSPixels available_width);
@ -126,6 +128,18 @@ private:
template<class RowOrColumn>
static CSSPixels cell_max_size(Cell const& cell);
template<class RowOrColumn>
static double cell_percentage_contribution(Cell const& cell);
template<class RowOrColumn>
static bool cell_has_intrinsic_percentage(Cell const& cell);
template<class RowOrColumn>
void initialize_intrinsic_percentages_from_rows_or_columns();
template<class RowOrColumn>
void initialize_intrinsic_percentages_from_cells();
template<class RowOrColumn>
CSSPixels border_spacing();