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LibWeb: Truncate oversized grid spans

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If a span makes a CSS Grid item overflow vertically, then it should be
truncated as done on other web engines.
This commit is contained in:
martinfalisse 2022-09-24 17:43:34 +02:00 • committed by Andreas Kling
parent f3bf01f265
commit db19570b94
1 changed files with 4 additions and 2 deletions
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6
Userland/Libraries/LibWeb/Layout/GridFormattingContext.cpp
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@ -1130,8 +1130,10 @@ void GridFormattingContext::run(Box const& box, LayoutMode, AvailableSpace const
child_box_state.offset = { x_start, y_start };
};
for (auto& positioned_box : positioned_boxes)
layout_box(positioned_box.row, positioned_box.row + positioned_box.row_span, positioned_box.column, positioned_box.column + positioned_box.column_span, positioned_box.box);
for (auto& positioned_box : positioned_boxes) {
auto resolved_span = positioned_box.row + positioned_box.row_span > static_cast<int>(grid_rows.size()) ? static_cast<int>(grid_rows.size()) - positioned_box.row : positioned_box.row_span;
layout_box(positioned_box.row, positioned_box.row + resolved_span, positioned_box.column, positioned_box.column + positioned_box.column_span, positioned_box.box);
}
float total_y = 0;
for (auto& grid_row : grid_rows)