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Base+LibWeb: Make sure grid positions don't cause out of bounds

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Add some tests to the test page to make sure that different combinations
of GridTrackPlacement don't cause out of bounds issues.
This commit is contained in:
martinfalisse 2022-09-26 14:04:05 +02:00 • committed by Andreas Kling
parent 97230c4ddb
commit 84290ed7c8
2 changed files with 14 additions and 5 deletions
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6
Userland/Libraries/LibWeb/Layout/GridFormattingContext.cpp
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@ -251,6 +251,9 @@ void GridFormattingContext::run(Box const& box, LayoutMode, AvailableSpace const
if (row_start != row_end)
row_span = row_end - row_start;
}
// FIXME: Have yet to find the spec for this.
if (!child_box.computed_values().grid_row_start().is_position() && child_box.computed_values().grid_row_end().is_position() && row_end == 1)
row_start = 1;
// If the placement contains two spans, remove the one contributed by the end grid-placement
// property.
@ -361,6 +364,9 @@ void GridFormattingContext::run(Box const& box, LayoutMode, AvailableSpace const
if (column_start < 0)
column_start = 1;
}
// FIXME: Have yet to find the spec for this.
if (!child_box.computed_values().grid_column_start().is_position() && child_box.computed_values().grid_column_end().is_position() && column_end == 1)
column_start = 1;
// If a name is given as a <custom-ident>, only lines with that name are counted. If not enough
// lines with that name exist, all implicit grid lines on the side of the explicit grid