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LibWeb: Implement grid-template function fit-content()

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This commit is contained in:
Edwin Hoksberg 2024-07-22 22:49:52 +02:00 • committed by Andreas Kling
commit e5deaa1c07
Notes: github-actions[bot] 2024-07-25 11:13:31 +00:00
10 changed files with 211 additions and 7 deletions
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21
Userland/Libraries/LibWeb/Layout/GridFormattingContext.cpp
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@ -17,6 +17,13 @@ GridFormattingContext::GridTrack GridFormattingContext::GridTrack::create_from_d
// NOTE: repeat() is expected to be expanded beforehand.
VERIFY(!definition.is_repeat());
if (definition.is_fit_content()) {
return GridTrack {
.min_track_sizing_function = CSS::GridSize::make_auto(),
.max_track_sizing_function = definition.fit_content().max_grid_size(),
};
}
if (definition.is_minmax()) {
return GridTrack {
.min_track_sizing_function = definition.minmax().min_grid_size(),
@ -422,6 +429,7 @@ void GridFormattingContext::initialize_grid_tracks_from_definition(GridDimension
for (auto _ = 0; _ < repeat_count; _++) {
switch (track_definition.type()) {
case CSS::ExplicitGridTrack::Type::Default:
case CSS::ExplicitGridTrack::Type::FitContent:
case CSS::ExplicitGridTrack::Type::MinMax:
tracks.append(GridTrack::create_from_definition(track_definition));
break;
@ -852,13 +860,18 @@ void GridFormattingContext::increase_sizes_to_accommodate_spanning_items_crossin
// 6. For max-content maximums: Lastly continue to increase the growth limit of tracks with a max track
// sizing function of max-content by distributing extra space as needed to account for these items' max-
// content contributions.
// content contributions. However, limit the growth of any fit-content() tracks by their fit-content() argument.
auto item_max_content_contribution = calculate_max_content_contribution(item, dimension);
distribute_extra_space_across_spanned_tracks_growth_limit(item_max_content_contribution, spanned_tracks, [&](GridTrack const& track) {
return track.max_track_sizing_function.is_max_content() || track.max_track_sizing_function.is_auto(available_size);
return track.max_track_sizing_function.is_max_content() || track.max_track_sizing_function.is_auto(available_size) || track.max_track_sizing_function.is_fit_content();
});
for (auto& track : spanned_tracks) {
if (!track.growth_limit.has_value()) {
if (track.max_track_sizing_function.is_fit_content()) {
track.growth_limit = css_clamp(
track.planned_increase,
track.base_size,
track.max_track_sizing_function.css_size().to_px(grid_container(), available_size.to_px_or_zero()));
} else if (!track.growth_limit.has_value()) {
// If the affected size is an infinite growth limit, set it to the track’s base size plus the planned increase.
track.growth_limit = track.base_size + track.planned_increase;
} else {
@ -2039,7 +2052,7 @@ void GridFormattingContext::init_grid_lines(GridDimension dimension)
line_names.extend(item.get<CSS::GridLineNames>().names);
} else if (item.has<CSS::ExplicitGridTrack>()) {
auto const& explicit_track = item.get<CSS::ExplicitGridTrack>();
if (explicit_track.is_default() || explicit_track.is_minmax()) {
if (explicit_track.is_default() || explicit_track.is_minmax() || explicit_track.is_fit_content()) {
lines.append({ .names = line_names });
line_names.clear();
} else if (explicit_track.is_repeat()) {