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Improve transpose when cursors are two chars away from each other

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This commit is contained in:
Antonio Scandurra
2022-05-04 09:59:34 +02:00
parent 95680aa5f2
commit 9a7c07f539
1 changed files with 11 additions and 6 deletions
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crates/editor/src/editor.rs
+11 -6
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@@ -3411,7 +3411,7 @@ impl Editor {
let transpose_start = display_map
.buffer_snapshot
.clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
if edits.last().map_or(true, |e| e.0.end < transpose_start) {
if edits.last().map_or(true, |e| e.0.end <= transpose_start) {
let transpose_end = display_map
.buffer_snapshot
.clip_offset(transpose_offset + 1, Bias::Right);
@@ -3422,6 +3422,11 @@ impl Editor {
}
});
this.buffer.update(cx, |buffer, cx| buffer.edit(edits, cx));
this.update_selections(
this.local_selections::<usize>(cx),
Some(Autoscroll::Fit),
cx,
);
});
}
@@ -8316,15 +8321,15 @@ mod tests {
assert_eq!(editor.selected_ranges(cx), [3..3, 4..4, 6..6]);
editor.transpose(&Default::default(), cx);
assert_eq!(editor.text(cx), "bcdae\n");
assert_eq!(editor.selected_ranges(cx), [4..4, 5..5, 6..6]);
assert_eq!(editor.text(cx), "bcda\ne");
assert_eq!(editor.selected_ranges(cx), [4..4, 6..6]);
editor.transpose(&Default::default(), cx);
assert_eq!(editor.text(cx), "bcdea\n");
assert_eq!(editor.selected_ranges(cx), [5..5, 6..6]);
assert_eq!(editor.text(cx), "bcade\n");
assert_eq!(editor.selected_ranges(cx), [4..4, 6..6]);
editor.transpose(&Default::default(), cx);
assert_eq!(editor.text(cx), "bcdae\n");
assert_eq!(editor.text(cx), "bcaed\n");
assert_eq!(editor.selected_ranges(cx), [5..5, 6..6]);
editor