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auto merge of #4425 : SimonSapin/servo/mixed-writing-modes, r=mbrubeck

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The rendering is still wrong beause of #2795, but at least we get a rendering.

(This test change is just for readability, it should be equivalent to before.)

r? @mbrubeck
This commit is contained in:
bors-servo 2014-12-18 15:31:28 -07:00
commit 3cc87165a1
3 changed files with 21 additions and 11 deletions
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6
components/layout/block.rs
View file

@ -1783,9 +1783,9 @@ impl Flow for BlockFlow {
if !flow::base(kid).flags.contains(IS_ABSOLUTELY_POSITIONED) {
let kid_base = flow::mut_base(kid);
kid_base.stacking_relative_position =
origin_for_children +
(kid_base.position.start + relative_offset).to_physical(writing_mode,
container_size);
origin_for_children
+ kid_base.position.start.to_physical(kid_base.writing_mode, container_size)
+ relative_offset.to_physical(writing_mode);
}
flow::mut_base(kid).absolute_position_info = absolute_position_info_for_children;

11
components/layout/flow.rs
View file

@ -1191,20 +1191,27 @@ impl<'a> MutableFlowUtils for &'a mut Flow + 'a {
let mut overflow = my_position;
if self.is_block_container() {
let writing_mode = base(self).writing_mode;
// FIXME(#2795): Get the real container size
let container_size = Size2D::zero();
for kid in child_iter(self) {
if kid.is_store_overflow_delayed() {
// Absolute flows will be handled by their CB. If we are
// their CB, they will show up in `abs_descendants`.
continue;
}
let mut kid_overflow = base(kid).overflow;
let kid_base = base(kid);
let mut kid_overflow = kid_base.overflow.convert(
kid_base.writing_mode, writing_mode, container_size);
kid_overflow = kid_overflow.translate(&my_position.start);
overflow = overflow.union(&kid_overflow)
}
// FIXME(#2004, pcwalton): This is wrong for `position: fixed`.
for descendant_link in mut_base(self).abs_descendants.iter() {
let mut kid_overflow = base(descendant_link).overflow;
let kid_base = base(descendant_link);
let mut kid_overflow = kid_base.overflow.convert(
kid_base.writing_mode, writing_mode, container_size);
kid_overflow = kid_overflow.translate(&my_position.start);
overflow = overflow.union(&kid_overflow)
}

15
tests/ref/overconstrained_block.html
View file

@ -2,14 +2,17 @@
<head>
<title>Block with over-contrained margins+borders+padding+width = containing block width</title>
<style>
body { width: 300px; margin: 0 }
p { background: green; width: 200px; height: 100px; margin: 20px 70px }
body { width: 300px; margin: 0 0 0 400px }
div:nth-child(even) { direction: rtl }
div:nth-child(1) p, div:nth-child(2) p { margin: 20px 70px }
div:nth-child(3) p, div:nth-child(4) p { margin: 20px 120px }
p { background: green; width: 200px; height: 100px }
</style>
</head>
<body>
<p style="margin: 20px 70px"></p>
<p style="margin: 20px 70px; direction: rtl"></p>
<p style="margin: 20px 120px"></p>
<p style="margin: 20px 120px; direction: rtl"></p>
<div><p></p></div>
<div><p></p></div>
<div><p></p></div>
<div><p></p></div>
</body>
</html>