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LibWeb: Start implementing sizing for tracks with span > 1 items in GFC

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Partially implements:
- Increase sizes to accommodate spanning items crossing content-sized
  tracks
- Increase sizes to accommodate spanning items crossing flexible tracks

from https://www.w3.org/TR/css-grid-2/#algo-content
This commit is contained in:
Aliaksandr Kalenik 2023-05-14 19:16:26 +03:00 • committed by Andreas Kling
parent 7a5603052a
commit 87a7299078
4 changed files with 305 additions and 45 deletions
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5
Userland/Libraries/LibWeb/Layout/GridFormattingContext.h
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@ -99,6 +99,8 @@ private:
CSSPixels growth_limit { 0 };
CSSPixels space_to_distribute { 0 };
CSSPixels planned_increase { 0 };
CSSPixels item_incurred_increase { 0 };
bool frozen { false };
bool is_gap { false };
CSSPixels border_left { 0 };
@ -189,6 +191,9 @@ private:
void initialize_track_sizes(AvailableSpace const&, GridDimension const);
void resolve_intrinsic_track_sizes(AvailableSpace const&, GridDimension const);
void distribute_extra_space_across_spanned_tracks(CSSPixels item_size_contribution, Vector<TemporaryTrack&>& spanned_tracks);
void increase_sizes_to_accommodate_spanning_items_crossing_content_sized_tracks(GridDimension const, size_t span);
void increase_sizes_to_accommodate_spanning_items_crossing_flexible_tracks(GridDimension const);
void maximize_tracks(AvailableSpace const&, GridDimension const);
void expand_flexible_tracks(AvailableSpace const&, GridDimension const);
void stretch_auto_tracks(AvailableSpace const&, GridDimension const);