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@ -26,6 +26,7 @@ use helix_view::{
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};
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use anyhow::{anyhow, bail, ensure, Context as _};
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use fuzzy_matcher::FuzzyMatcher;
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use helix_lsp::{
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block_on, lsp,
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util::{lsp_pos_to_pos, lsp_range_to_range, pos_to_lsp_pos, range_to_lsp_range},
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@ -266,6 +267,7 @@ impl MappableCommand {
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change_selection_noyank, "Change selection (delete and enter insert mode, without yanking)",
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collapse_selection, "Collapse selection onto a single cursor",
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flip_selections, "Flip selection cursor and anchor",
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ensure_selections_forward, "Ensure the selection is in forward direction",
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insert_mode, "Insert before selection",
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append_mode, "Insert after selection (append)",
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command_mode, "Enter command mode",
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@ -1904,7 +1906,21 @@ fn flip_selections(cx: &mut Context) {
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let selection = doc
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.selection(view.id)
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.clone()
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.transform(|range| Range::new(range.head, range.anchor));
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.transform(|range| range.flip());
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doc.set_selection(view.id, selection);
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}
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fn ensure_selections_forward(cx: &mut Context) {
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let (view, doc) = current!(cx.editor);
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let selection = doc
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.selection(view.id)
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.clone()
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.transform(|r| match r.direction() {
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Direction::Forward => r,
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Direction::Backward => r.flip(),
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});
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doc.set_selection(view.id, selection);
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}
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@ -3103,6 +3119,9 @@ fn command_mode(cx: &mut Context) {
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":".into(),
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Some(':'),
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|input: &str| {
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static FUZZY_MATCHER: Lazy<fuzzy_matcher::skim::SkimMatcherV2> =
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Lazy::new(fuzzy_matcher::skim::SkimMatcherV2::default);
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// we use .this over split_whitespace() because we care about empty segments
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let parts = input.split(' ').collect::<Vec<&str>>();
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@ -3112,7 +3131,7 @@ fn command_mode(cx: &mut Context) {
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let end = 0..;
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cmd::TYPABLE_COMMAND_LIST
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.iter()
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.filter(|command| command.name.contains(input))
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.filter(|command| FUZZY_MATCHER.fuzzy_match(command.name, input).is_some())
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.map(|command| (end.clone(), Cow::Borrowed(command.name)))
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.collect()
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} else {
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@ -3811,26 +3830,30 @@ fn normal_mode(cx: &mut Context) {
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}
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fn try_restore_indent(doc: &mut Document, view_id: ViewId) {
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let doc_changes = doc.changes().changes();
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let text = doc.text().slice(..);
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let pos = doc.selection(view_id).primary().cursor(text);
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let mut can_restore_indent = false;
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// Removes trailing whitespace if insert mode is exited after starting a blank new line.
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use helix_core::chars::char_is_whitespace;
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use helix_core::Operation;
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fn inserted_a_new_blank_line(changes: &[Operation], pos: usize, line_end_pos: usize) -> bool {
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if let [Operation::Retain(move_pos), Operation::Insert(ref inserted_str), Operation::Retain(_)] =
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doc_changes
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changes
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{
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if move_pos + inserted_str.len32() as usize == pos
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move_pos + inserted_str.len32() as usize == pos
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&& inserted_str.starts_with('\n')
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&& inserted_str.chars().skip(1).all(char_is_whitespace)
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{
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can_restore_indent = true;
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&& pos == line_end_pos // ensure no characters exists after current position
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} else {
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false
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}
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}
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if can_restore_indent {
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let doc_changes = doc.changes().changes();
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let text = doc.text().slice(..);
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let range = doc.selection(view_id).primary();
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let pos = range.cursor(text);
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let line_end_pos = line_end_char_index(&text, range.cursor_line(text));
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if inserted_a_new_blank_line(doc_changes, pos, line_end_pos) {
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// Removes tailing whitespaces.
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let transaction =
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Transaction::change_by_selection(doc.text(), doc.selection(view_id), |range| {
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let line_start_pos = text.line_to_char(range.cursor_line(text));
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Omnikar
3 years ago