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Let textarea wrap lines

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This commit is contained in:
kilobtye 2016-07-26 20:38:11 +08:00
parent 8ded106186
commit 0a86543e6d
4 changed files with 16 additions and 13 deletions
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17
components/layout/fragment.rs
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@ -882,16 +882,23 @@ impl Fragment {
let size = LogicalSize::new(self.style.writing_mode,
split.inline_size,
self.border_box.size.block);
let flags = match self.specific {
SpecificFragmentInfo::ScannedText(ref info) => info.flags,
_ => ScannedTextFlags::empty()
// Preserve the insertion point if it is in this fragment's range or it is at line end.
let (flags, insertion_point) = match self.specific {
SpecificFragmentInfo::ScannedText(ref info) => {
match info.insertion_point {
Some(index) if split.range.contains(index) => (info.flags, info.insertion_point),
Some(index) if index == ByteIndex(text_run.text.chars().count() as isize - 1) &&
index == split.range.end() => (info.flags, info.insertion_point),
_ => (info.flags, None)
}
},
_ => (ScannedTextFlags::empty(), None)
};
// FIXME(pcwalton): This should modify the insertion point as necessary.
let info = box ScannedTextFragmentInfo::new(
text_run,
split.range,
size,
None,
insertion_point,
flags);
self.transform(size, SpecificFragmentInfo::ScannedText(info))
}