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Add initial support for scrollable overflow in layout_2020

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This still isn't totally correct and non-root scrolling is not handled
at all, but the root frame now scrolls.
This commit is contained in:
Martin Robinson 2020-01-15 13:48:25 +01:00
parent 74d1f02a6a
commit 8825d588c1
7 changed files with 212 additions and 56 deletions
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20
components/layout_2020/positioned.rs
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@ -290,11 +290,11 @@ impl<'box_tree> PositioningContext<'box_tree> {
);
positioned_box_fragment
.children
.push(Fragment::Anonymous(AnonymousFragment {
.push(Fragment::Anonymous(AnonymousFragment::new(
padding_rect,
children,
rect: padding_rect,
mode: positioned_box_fragment.style.writing_mode,
}))
positioned_box_fragment.style.writing_mode,
)))
}
}
}
@ -470,16 +470,16 @@ impl<'box_tree> HoistedAbsolutelyPositionedBox<'box_tree> {
size,
};
BoxFragment {
tag: self.absolutely_positioned_box.contents.tag,
style: style.clone(),
children: fragments,
BoxFragment::new(
self.absolutely_positioned_box.contents.tag,
style.clone(),
fragments,
content_rect,
padding,
border,
margin,
block_margins_collapsed_with_children: CollapsedBlockMargins::zero(),
}
CollapsedBlockMargins::zero(),
)
})
}
}