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LibWeb/Layout: Use LengthOrAuto in BFC::compute_width()

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This commit is contained in:
Sam Atkins 2025-08-28 15:53:56 +01:00
commit 7244c6ddf9
Notes: github-actions[bot] 2025-09-04 12:32:55 +00:00
1 changed files with 9 additions and 9 deletions
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18
Libraries/LibWeb/Layout/BlockFormattingContext.cpp
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@ -238,13 +238,13 @@ void BlockFormattingContext::compute_width(Box const& box, AvailableSpace const&
auto const remaining_width_px = remaining_available_space.width.to_px_or_zero();
auto const zero_value = CSS::Length::make_px(0);
auto try_compute_width = [&](CSS::Length const& a_width) {
CSS::Length width = a_width;
auto try_compute_width = [&](CSS::LengthOrAuto const& a_width) {
auto width = a_width;
margin_left = computed_values.margin().left().resolved(box, available_space.width.to_px_or_zero());
margin_right = computed_values.margin().right().resolved(box, available_space.width.to_px_or_zero());
CSSPixels total_px = computed_values.border_left().width + computed_values.border_right().width;
for (auto& value : { margin_left, padding_left, width, padding_right, margin_right })
total_px += value.to_px(box);
for (auto& value : { CSS::LengthOrAuto(margin_left), CSS::LengthOrAuto(padding_left), width, CSS::LengthOrAuto(padding_right), CSS::LengthOrAuto(margin_right) })
total_px += value.to_px_or_zero(box);
if (!box.is_inline()) {
// 10.3.3 Block-level, non-replaced elements in normal flow
@ -301,7 +301,7 @@ void BlockFormattingContext::compute_width(Box const& box, AvailableSpace const&
return width;
};
auto input_width = [&] {
auto input_width = [&] -> CSS::LengthOrAuto {
if (box_is_sized_as_replaced_element(box, available_space)) {
// NOTE: Replaced elements had their width calculated independently above.
// We use that width as the input here to ensure that margins get resolved.
@ -310,7 +310,7 @@ void BlockFormattingContext::compute_width(Box const& box, AvailableSpace const&
if (is<TableWrapper>(box))
return CSS::Length::make_px(compute_table_box_width_inside_table_wrapper(box, remaining_available_space));
if (should_treat_width_as_auto(box, available_space))
return CSS::Length::make_auto();
return CSS::LengthOrAuto::make_auto();
return CSS::Length::make_px(calculate_inner_width(box, available_space.width, computed_values.width()));
}();
@ -321,7 +321,7 @@ void BlockFormattingContext::compute_width(Box const& box, AvailableSpace const&
// but this time using the computed value of 'max-width' as the computed value for 'width'.
if (!should_treat_max_width_as_none(box, available_space.width)) {
auto max_width = calculate_inner_width(box, available_space.width, computed_values.max_width());
if (used_width.to_px(box) > max_width)
if (used_width.to_px_or_zero(box) > max_width)
used_width = try_compute_width(CSS::Length::make_px(max_width));
}
@ -329,13 +329,13 @@ void BlockFormattingContext::compute_width(Box const& box, AvailableSpace const&
// but this time using the value of 'min-width' as the computed value for 'width'.
if (!computed_values.min_width().is_auto()) {
auto min_width = calculate_inner_width(box, available_space.width, computed_values.min_width());
auto used_width_px = used_width.is_auto() ? remaining_available_space.width : AvailableSize::make_definite(used_width.to_px(box));
auto used_width_px = used_width.is_auto() ? remaining_available_space.width : AvailableSize::make_definite(used_width.to_px_or_zero(box));
if (used_width_px < min_width)
used_width = try_compute_width(CSS::Length::make_px(min_width));
}
if (!box_is_sized_as_replaced_element(box, available_space) && !used_width.is_auto())
box_state.set_content_width(used_width.to_px(box));
box_state.set_content_width(used_width.to_px_or_zero(box));
box_state.margin_left = margin_left.to_px(box);
box_state.margin_right = margin_right.to_px(box);