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LibWeb: Add CSS logical property aliases for margin and padding sides

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These just map to the LTR+TB defaults for now, as we don't yet resolve
any of the inputs to the logical property selection algorithm.
This commit is contained in:
Andreas Kling 2023-06-06 12:24:08 +02:00
parent 941092e3ad
commit abd6380cce
4 changed files with 131 additions and 0 deletions
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28
Userland/Libraries/LibWeb/CSS/StyleComputer.cpp
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@ -283,6 +283,34 @@ static bool contains(Edge a, Edge b)
static void set_property_expanding_shorthands(StyleProperties& style, CSS::PropertyID property_id, StyleValue const& value, DOM::Document& document, CSS::CSSStyleDeclaration const* declaration)
{
auto map_logical_property_to_real_property = [](PropertyID property_id) -> Optional<PropertyID> {
// FIXME: Honor writing-mode, direction and text-orientation.
switch (property_id) {
case PropertyID::MarginBlockStart:
return PropertyID::MarginTop;
case PropertyID::MarginBlockEnd:
return PropertyID::MarginBottom;
case PropertyID::MarginInlineStart:
return PropertyID::MarginLeft;
case PropertyID::MarginInlineEnd:
return PropertyID::MarginRight;
case PropertyID::PaddingBlockStart:
return PropertyID::PaddingTop;
case PropertyID::PaddingBlockEnd:
return PropertyID::PaddingBottom;
case PropertyID::PaddingInlineStart:
return PropertyID::PaddingLeft;
case PropertyID::PaddingInlineEnd:
return PropertyID::PaddingRight;
default:
return {};
}
};
auto real_property_id = map_logical_property_to_real_property(property_id);
if (real_property_id.has_value())
return set_property_expanding_shorthands(style, real_property_id.value(), value, document, declaration);
if (value.is_composite()) {
auto& composite_value = value.as_composite();
auto& properties = composite_value.sub_properties();