Fix vim code working on display map chars (#10103)

Release Notes:

- vim: Fixed motion bugs when softwrap, folds or inlay hints were used.
This commit is contained in:
Conrad Irwin 2024-04-02 22:16:52 -06:00 committed by GitHub
parent 754547f349
commit 5a2a85a7db
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GPG key ID: B5690EEEBB952194
9 changed files with 95 additions and 140 deletions

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@ -657,7 +657,7 @@ impl DisplaySnapshot {
layout_line.closest_index_for_x(x) as u32
}
pub fn chars_at(
pub fn display_chars_at(
&self,
mut point: DisplayPoint,
) -> impl Iterator<Item = (char, DisplayPoint)> + '_ {
@ -684,62 +684,26 @@ impl DisplaySnapshot {
})
}
pub fn reverse_chars_at(
pub fn buffer_chars_at(&self, mut offset: usize) -> impl Iterator<Item = (char, usize)> + '_ {
self.buffer_snapshot.chars_at(offset).map(move |ch| {
let ret = (ch, offset);
offset += ch.len_utf8();
ret
})
}
pub fn reverse_buffer_chars_at(
&self,
mut point: DisplayPoint,
) -> impl Iterator<Item = (char, DisplayPoint)> + '_ {
point = DisplayPoint(self.block_snapshot.clip_point(point.0, Bias::Left));
self.reverse_text_chunks(point.row())
.flat_map(|chunk| chunk.chars().rev())
.skip_while({
let mut column = self.line_len(point.row());
if self.max_point().row() > point.row() {
column += 1;
}
move |char| {
let at_point = column <= point.column();
column = column.saturating_sub(char.len_utf8() as u32);
!at_point
}
})
mut offset: usize,
) -> impl Iterator<Item = (char, usize)> + '_ {
self.buffer_snapshot
.reversed_chars_at(offset)
.map(move |ch| {
if ch == '\n' {
*point.row_mut() -= 1;
*point.column_mut() = self.line_len(point.row());
} else {
*point.column_mut() = point.column().saturating_sub(ch.len_utf8() as u32);
}
(ch, point)
offset -= ch.len_utf8();
(ch, offset)
})
}
pub fn column_to_chars(&self, display_row: u32, target: u32) -> u32 {
let mut count = 0;
let mut column = 0;
for (c, _) in self.chars_at(DisplayPoint::new(display_row, 0)) {
if column >= target {
break;
}
count += 1;
column += c.len_utf8() as u32;
}
count
}
pub fn column_from_chars(&self, display_row: u32, char_count: u32) -> u32 {
let mut column = 0;
for (count, (c, _)) in self.chars_at(DisplayPoint::new(display_row, 0)).enumerate() {
if c == '\n' || count >= char_count as usize {
break;
}
column += c.len_utf8() as u32;
}
column
}
pub fn clip_point(&self, point: DisplayPoint, bias: Bias) -> DisplayPoint {
let mut clipped = self.block_snapshot.clip_point(point.0, bias);
if self.clip_at_line_ends {
@ -808,20 +772,6 @@ impl DisplaySnapshot {
result
}
pub fn line_indent(&self, display_row: u32) -> (u32, bool) {
let mut indent = 0;
let mut is_blank = true;
for (c, _) in self.chars_at(DisplayPoint::new(display_row, 0)) {
if c == ' ' {
indent += 1;
} else {
is_blank = c == '\n';
break;
}
}
(indent, is_blank)
}
pub fn line_indent_for_buffer_row(&self, buffer_row: u32) -> (u32, bool) {
let (buffer, range) = self
.buffer_snapshot