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This commit is contained in:
Nathan Sobo 2021-12-10 22:16:39 -07:00
parent 8432daef6a
commit f5c775fcd1
2 changed files with 44 additions and 29 deletions
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69
crates/editor/src/editor.rs
View file

@ -3049,35 +3049,50 @@ impl Editor {
where where
D: 'a + TextDimension + Ord + Sub<D, Output = D>, D: 'a + TextDimension + Ord + Sub<D, Output = D>,
{ {
// let buffer = self.buffer.read(cx).snapshot(cx); let buffer = self.buffer.read(cx).snapshot(cx);
// let mut selections = self.selection_set(cx).selections::<D>(&buffer).peekable();
// let mut pending_selection = self.pending_selection(cx);
// iter::from_fn(move || { let mut summaries = buffer
// if let Some(pending) = pending_selection.as_mut() { .summaries_for_anchors::<D, _>(self.selections.iter().flat_map(|s| [&s.start, &s.end]))
// while let Some(next_selection) = selections.peek() { .into_iter();
// if pending.start <= next_selection.end && pending.end >= next_selection.start {
// let next_selection = selections.next().unwrap();
// if next_selection.start < pending.start {
// pending.start = next_selection.start;
// }
// if next_selection.end > pending.end {
// pending.end = next_selection.end;
// }
// } else if next_selection.end < pending.start {
// return selections.next();
// } else {
// break;
// }
// }
// pending_selection.take() let mut selections = self
// } else { .selections
// selections.next() .iter()
// } .map(|s| Selection {
// }) id: s.id,
// .collect() start: summaries.next().unwrap(),
todo!() end: summaries.next().unwrap(),
reversed: s.reversed,
goal: s.goal,
})
.peekable();
let mut pending_selection = self.pending_selection::<D>(&buffer, cx);
iter::from_fn(move || {
if let Some(pending) = pending_selection.as_mut() {
while let Some(next_selection) = selections.peek() {
if pending.start <= next_selection.end && pending.end >= next_selection.start {
let next_selection = selections.next().unwrap();
if next_selection.start < pending.start {
pending.start = next_selection.start;
}
if next_selection.end > pending.end {
pending.end = next_selection.end;
}
} else if next_selection.end < pending.start {
return selections.next();
} else {
break;
}
}
pending_selection.take()
} else {
selections.next()
}
})
.collect()
} }
fn pending_selection<D: TextDimension + Ord + Sub<D, Output = D>>( fn pending_selection<D: TextDimension + Ord + Sub<D, Output = D>>(

4
crates/editor/src/multi_buffer.rs
View file

@ -777,7 +777,7 @@ impl MultiBufferSnapshot {
summary summary
} }
fn summary_for_anchor<D>(&self, anchor: &Anchor) -> D pub fn summary_for_anchor<D>(&self, anchor: &Anchor) -> D
where where
D: TextDimension + Ord + Sub<D, Output = D>, D: TextDimension + Ord + Sub<D, Output = D>,
{ {
@ -798,7 +798,7 @@ impl MultiBufferSnapshot {
D::from_text_summary(&cursor.start().text) D::from_text_summary(&cursor.start().text)
} }
fn summaries_for_anchors<'a, D, I>(&'a self, anchors: I) -> Vec<D> pub fn summaries_for_anchors<'a, D, I>(&'a self, anchors: I) -> Vec<D>
where where
D: TextDimension + Ord + Sub<D, Output = D>, D: TextDimension + Ord + Sub<D, Output = D>,
I: 'a + IntoIterator<Item = &'a Anchor>, I: 'a + IntoIterator<Item = &'a Anchor>,