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-rw-r--r--helix-term/src/commands.rs72
1 files changed, 37 insertions, 35 deletions
diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index c80716d4..59ae0e79 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -1495,53 +1495,55 @@ fn open(cx: &mut Context, open: Open) {
enter_insert_mode(doc);
let text = doc.text().slice(..);
+ let contents = doc.text();
let selection = doc.selection(view.id);
let mut ranges = SmallVec::with_capacity(selection.len());
+ let mut offs = 0;
- let changes: Vec<Change> = selection
- .iter()
- .map(|range| {
- let line = text.char_to_line(range.head);
-
- let line = match open {
- // adjust position to the end of the line (next line - 1)
- Open::Below => line + 1,
- // adjust position to the end of the previous line (current line - 1)
- Open::Above => line,
- };
+ let mut transaction = Transaction::change_by_selection(contents, selection, |range| {
+ let line = text.char_to_line(range.head);
- let index = doc.text().line_to_char(line).saturating_sub(1);
+ let line = match open {
+ // adjust position to the end of the line (next line - 1)
+ Open::Below => line + 1,
+ // adjust position to the end of the previous line (current line - 1)
+ Open::Above => line,
+ };
- // TODO: share logic with insert_newline for indentation
- let indent_level = indent::suggested_indent_for_pos(
- doc.language_config(),
- doc.syntax(),
- text,
- index,
- true,
- );
- let indent = doc.indent_unit().repeat(indent_level);
- let mut text = String::with_capacity(1 + indent.len());
- text.push('\n');
- text.push_str(&indent);
- let text = text.repeat(count);
+ let index = doc.text().line_to_char(line).saturating_sub(1);
- // calculate new selection range
- let pos = index + text.chars().count();
- ranges.push(Range::new(pos, pos));
+ // TODO: share logic with insert_newline for indentation
+ let indent_level = indent::suggested_indent_for_pos(
+ doc.language_config(),
+ doc.syntax(),
+ text,
+ index,
+ true,
+ );
+ let indent = doc.indent_unit().repeat(indent_level);
+ let mut text = String::with_capacity(1 + indent.len());
+ text.push('\n');
+ text.push_str(&indent);
+ let text = text.repeat(count);
+
+ // calculate new selection range
+ let pos = if line == 0 {
+ 0 // Required since text will have a min len of 1 (\n)
+ } else {
+ index + offs + text.chars().count()
+ };
+ ranges.push(Range::new(pos, pos));
- (index, index, Some(text.into()))
- })
- .collect();
+ offs += text.chars().count();
+
+ (index, index, Some(text.into()))
+ });
// TODO: count actually inserts "n" new lines and starts editing on all of them.
// TODO: append "count" newlines and modify cursors to those lines
- let selection = Selection::new(ranges, 0);
-
- let transaction =
- Transaction::change(doc.text(), changes.into_iter()).with_selection(selection);
+ transaction = transaction.with_selection(Selection::new(ranges, selection.primary_index()));
doc.apply(&transaction, view.id);
}