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Fix outdent not working when cursor is at column 0
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parent
8d7bb8b1a3
commit
b1de9a945d
1 changed files with 25 additions and 16 deletions
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@ -1556,29 +1556,23 @@ impl Editor {
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self.start_transaction(cx);
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let tab_size = (self.build_settings)(cx).tab_size;
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let selections = self.local_selections::<Point>(cx);
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let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
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let mut deletion_ranges = Vec::new();
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let mut last_outdent = None;
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{
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let buffer = self.buffer.read(cx).read(cx);
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for selection in &selections {
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let mut start_row = selection.start.row;
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let mut end_row = selection.end.row + 1;
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// If a selection ends at the beginning of a line, don't indent
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// that last line.
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if selection.end.column == 0 {
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end_row -= 1;
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}
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let mut rows = selection.spanned_rows(false, &display_map);
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// Avoid re-outdenting a row that has already been outdented by a
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// previous selection.
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if let Some(last_row) = last_outdent {
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if last_row == selection.start.row {
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start_row += 1;
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if last_row == rows.start {
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rows.start += 1;
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}
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}
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for row in start_row..end_row {
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for row in rows {
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let column = buffer.indent_column_for_line(row) as usize;
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if column > 0 {
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let mut deletion_len = (column % tab_size) as u32;
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@ -3832,11 +3826,7 @@ impl<T: ToPoint + ToOffset> SelectionExt for Selection<T> {
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) -> Range<u32> {
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let start = self.start.to_point(&map.buffer_snapshot);
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let mut end = self.end.to_point(&map.buffer_snapshot);
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if !include_end_if_at_line_start
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&& end.row != map.buffer_snapshot.max_point().row
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&& start.row != end.row
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&& end.column == 0
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{
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if !include_end_if_at_line_start && start.row != end.row && end.column == 0 {
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end.row -= 1;
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}
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@ -4958,6 +4948,25 @@ mod tests {
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view.selected_display_ranges(cx),
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&[DisplayPoint::new(1, 1)..DisplayPoint::new(2, 0)]
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);
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// Ensure that indenting/outdenting works when the cursor is at column 0.
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view.select_display_ranges(&[DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0)], cx)
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.unwrap();
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view.tab(&Tab, cx);
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assert_eq!(view.text(cx), "one two\n three\n four");
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assert_eq!(
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view.selected_display_ranges(cx),
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&[DisplayPoint::new(1, 4)..DisplayPoint::new(1, 4)]
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);
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view.select_display_ranges(&[DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0)], cx)
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.unwrap();
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view.outdent(&Outdent, cx);
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assert_eq!(view.text(cx), "one two\nthree\n four");
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assert_eq!(
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view.selected_display_ranges(cx),
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&[DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0)]
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);
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});
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}
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