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Z-2303 editor: fix comment extension on the start of line (#2595)

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Release Notes:

- Improved comment extension for cases where cursor was placed before
start of comment marker
This commit is contained in:
Piotr Osiewicz 2023-06-09 20:02:51 +02:00 • committed by GitHub
parent fb83ab8e9f
commit 5bef2f1778
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2 changed files with 24 additions and 3 deletions
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18
crates/editor/src/editor.rs
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@ -2219,11 +2219,23 @@ impl Editor {
buffer
.buffer_line_for_row(start_point.row)
.is_some_and(|(snapshot, range)| {
snapshot
let mut index_of_first_non_whitespace = 0;
let line_starts_with_comment = snapshot
.chars_for_range(range)
.skip_while(|c| c.is_whitespace())
.skip_while(|c| {
let should_skip = c.is_whitespace();
if should_skip {
index_of_first_non_whitespace += 1;
}
should_skip
})
.take(delimiter.len())
.eq(delimiter.chars())
.eq(delimiter.chars());
let cursor_is_placed_after_comment_marker =
index_of_first_non_whitespace + delimiter.len()
<= start_point.column as usize;
line_starts_with_comment
&& cursor_is_placed_after_comment_marker
})
.then(|| delimiter.clone())
} else {