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LibWeb: Implement the :focus-visible pseudo-class

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This is very naive for now, and matches whenever `:focus` does.
This commit is contained in:
Sam Atkins 2023-08-02 14:17:04 +01:00 • committed by Andreas Kling
parent 8520afaa11
commit 14e6bae593
5 changed files with 12 additions and 0 deletions
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2
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
View file

@ -485,6 +485,8 @@ Parser::ParseErrorOr<Selector::SimpleSelector> Parser::parse_pseudo_simple_selec
return make_pseudo_class_selector(Selector::SimpleSelector::PseudoClass::Type::FirstOfType);
if (pseudo_name.equals_ignoring_ascii_case("focus"sv))
return make_pseudo_class_selector(Selector::SimpleSelector::PseudoClass::Type::Focus);
if (pseudo_name.equals_ignoring_ascii_case("focus-visible"sv))
return make_pseudo_class_selector(Selector::SimpleSelector::PseudoClass::Type::FocusVisible);
if (pseudo_name.equals_ignoring_ascii_case("focus-within"sv))
return make_pseudo_class_selector(Selector::SimpleSelector::PseudoClass::Type::FocusWithin);
if (pseudo_name.equals_ignoring_ascii_case("hover"sv))

1
Userland/Libraries/LibWeb/CSS/Selector.cpp
View file

@ -214,6 +214,7 @@ ErrorOr<String> Selector::SimpleSelector::serialize() const
case Selector::SimpleSelector::PseudoClass::Type::Visited:
case Selector::SimpleSelector::PseudoClass::Type::Hover:
case Selector::SimpleSelector::PseudoClass::Type::Focus:
case Selector::SimpleSelector::PseudoClass::Type::FocusVisible:
case Selector::SimpleSelector::PseudoClass::Type::FocusWithin:
case Selector::SimpleSelector::PseudoClass::Type::FirstChild:
case Selector::SimpleSelector::PseudoClass::Type::LastChild:

3
Userland/Libraries/LibWeb/CSS/Selector.h
View file

@ -90,6 +90,7 @@ public:
Visited,
Hover,
Focus,
FocusVisible,
FocusWithin,
FirstChild,
LastChild,
@ -261,6 +262,8 @@ constexpr StringView pseudo_class_name(Selector::SimpleSelector::PseudoClass::Ty
return "hover"sv;
case Selector::SimpleSelector::PseudoClass::Type::Focus:
return "focus"sv;
case Selector::SimpleSelector::PseudoClass::Type::FocusVisible:
return "focus-visible"sv;
case Selector::SimpleSelector::PseudoClass::Type::FocusWithin:
return "focus-within"sv;
case Selector::SimpleSelector::PseudoClass::Type::FirstChild:

3
Userland/Libraries/LibWeb/CSS/SelectorEngine.cpp
View file

@ -217,6 +217,9 @@ static inline bool matches_pseudo_class(CSS::Selector::SimpleSelector::PseudoCla
return matches_hover_pseudo_class(element);
case CSS::Selector::SimpleSelector::PseudoClass::Type::Focus:
return element.is_focused();
case CSS::Selector::SimpleSelector::PseudoClass::Type::FocusVisible:
// FIXME: We should only apply this when a visible focus is useful. Decide when that is!
return element.is_focused();
case CSS::Selector::SimpleSelector::PseudoClass::Type::FocusWithin: {
auto* focused_element = element.document().focused_element();
return focused_element && element.is_inclusive_ancestor_of(*focused_element);

3
Userland/Libraries/LibWeb/Dump.cpp
View file

@ -494,6 +494,9 @@ void dump_selector(StringBuilder& builder, CSS::Selector const& selector)
case CSS::Selector::SimpleSelector::PseudoClass::Type::Focus:
pseudo_class_description = "Focus";
break;
case CSS::Selector::SimpleSelector::PseudoClass::Type::FocusVisible:
pseudo_class_description = "FocusVisible";
break;
case CSS::Selector::SimpleSelector::PseudoClass::Type::FocusWithin:
pseudo_class_description = "FocusWithin";
break;