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fix multicursor snippet placeholder directions #8423

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merged 1 commit into from
Sep 30, 2023
Merged

fix multicursor snippet placeholder directions #8423

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20 changes: 10 additions & 10 deletions helix-lsp/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -445,36 +445,36 @@ pub mod util {
// the tabstop closest to the range simply replaces `head` while anchor remains in place
// the remaining tabstops receive their own single-width cursor
if range.head < range.anchor {
let first_tabstop = tabstop_anchor + tabstops[0].1;
let last_idx = tabstops.len() - 1;
let last_tabstop = tabstop_anchor + tabstops[last_idx].0;

// if selection is forward but was moved to the right it is
// contained entirely in the replacement text, just do a point
// selection (fallback below)
if range.anchor >= first_tabstop {
let range = Range::new(range.anchor, first_tabstop);
if range.anchor > last_tabstop {
let range = Range::new(range.anchor, last_tabstop);
mapped_selection.push(range);
let rem_tabstops = tabstops[1..]
let rem_tabstops = tabstops[..last_idx]
.iter()
.map(|tabstop| Range::point(tabstop_anchor + tabstop.1));
.map(|tabstop| Range::point(tabstop_anchor + tabstop.0));
mapped_selection.extend(rem_tabstops);
continue;
}
} else {
let last_idx = tabstops.len() - 1;
let last_tabstop = tabstop_anchor + tabstops[last_idx].1;
let first_tabstop = tabstop_anchor + tabstops[0].0;

// if selection is forward but was moved to the right it is
// contained entirely in the replacement text, just do a point
// selection (fallback below)
if range.anchor <= last_tabstop {
if range.anchor < first_tabstop {
// we can't properly compute the the next grapheme
// here because the transaction hasn't been applied yet
// that is not a problem because the range gets grapheme aligned anyway
// tough so just adding one will always cause head to be grapheme
// aligned correctly when applied to the document
let range = Range::new(range.anchor, last_tabstop + 1);
let range = Range::new(range.anchor, first_tabstop + 1);
mapped_selection.push(range);
let rem_tabstops = tabstops[..last_idx]
let rem_tabstops = tabstops[1..]
.iter()
.map(|tabstop| Range::point(tabstop_anchor + tabstop.0));
mapped_selection.extend(rem_tabstops);
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