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LibWeb: Set correct longhand values when using grid-placement shorthand

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According to https://www.w3.org/TR/css-grid-2/#placement-shorthands
when setting the 'grid-row' and 'grid-column' shorthand property to a
single <custom-ident> value, both 'grid-row-start'/'grid-column-start'
and 'grid-row-end'/'grid-column-end' should be set to that
<custom_ident>.
This commit is contained in:
Adam Harald Jørgensen
2024-08-28 16:47:30 +02:00
committed by Andreas Kling
parent 77718c0a66
commit 3e92ec80f3
4 changed files with 67 additions and 2 deletions
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6
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
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@@ -6795,7 +6795,7 @@ RefPtr<CSSStyleValue> Parser::parse_grid_auto_track_sizes(TokenStream<ComponentV
return GridTrackSizeListStyleValue::create(GridTrackSizeList(move(track_list)));
}
RefPtr<CSSStyleValue> Parser::parse_grid_track_placement(TokenStream<ComponentValue>& tokens)
RefPtr<GridTrackPlacementStyleValue> Parser::parse_grid_track_placement(TokenStream<ComponentValue>& tokens)
{
// FIXME: This shouldn't be needed. Right now, the below code returns a CSSStyleValue even if no tokens are consumed!
if (!tokens.has_next_token())
@@ -6924,6 +6924,10 @@ RefPtr<CSSStyleValue> Parser::parse_grid_track_placement_shorthand_value(Propert
auto parsed_start_value = parse_grid_track_placement(track_start_placement_token_stream);
if (parsed_start_value && track_end_placement_tokens.is_empty()) {
transaction.commit();
if (parsed_start_value->grid_track_placement().has_identifier()) {
auto custom_ident = parsed_start_value.release_nonnull();
return ShorthandStyleValue::create(property_id, { start_property, end_property }, { custom_ident, custom_ident });
}
return ShorthandStyleValue::create(property_id,
{ start_property, end_property },
{ parsed_start_value.release_nonnull(), GridTrackPlacementStyleValue::create(GridTrackPlacement::make_auto()) });