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LibWeb: Parse and plumb background-position-x/y

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This parses the new background-position-x/y longhands and properly
hooks up them up. This requires converting PositionStyleValue to
just contain two EdgeStyleValues so that it can be easily expanded
into the longhands.
This commit is contained in:
MacDue
2023-04-03 00:04:00 +01:00
committed by Andreas Kling
parent 2a659693bc
commit bed55ac669
7 changed files with 135 additions and 67 deletions
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14
Userland/Libraries/LibWeb/CSS/StyleComputer.cpp
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@@ -43,6 +43,7 @@
#include <LibWeb/CSS/StyleValues/NumericStyleValue.h>
#include <LibWeb/CSS/StyleValues/OverflowStyleValue.h>
#include <LibWeb/CSS/StyleValues/PercentageStyleValue.h>
#include <LibWeb/CSS/StyleValues/PositionStyleValue.h>
#include <LibWeb/CSS/StyleValues/StyleValueList.h>
#include <LibWeb/CSS/StyleValues/TextDecorationStyleValue.h>
#include <LibWeb/CSS/StyleValues/UnresolvedStyleValue.h>
@@ -454,6 +455,19 @@ static void set_property_expanding_shorthands(StyleProperties& style, CSS::Prope
return;
}
if (property_id == CSS::PropertyID::BackgroundPosition) {
if (value.is_position()) {
auto const& position = value.as_position();
style.set_property(CSS::PropertyID::BackgroundPositionX, position.edge_x());
style.set_property(CSS::PropertyID::BackgroundPositionY, position.edge_y());
return;
}
style.set_property(CSS::PropertyID::BackgroundPositionX, value);
style.set_property(CSS::PropertyID::BackgroundPositionY, value);
return;
}
if (property_id == CSS::PropertyID::Margin) {
if (value.is_value_list()) {
auto const& values_list = value.as_value_list();