diff options
-rw-r--r-- | TODO.md | 2 | ||||
-rw-r--r-- | helix-term/src/commands.rs | 57 | ||||
-rw-r--r-- | helix-term/src/keymap.rs | 2 |
3 files changed, 52 insertions, 9 deletions
@@ -16,7 +16,7 @@ - [ ] CI binary builds - [ ] regex search / select next -- [ ] open_above (O) command +- [x] open_above (O) command - [ ] = for auto indent line/selection - [x] q should only close the view, if all are closed, close the editor - [ ] buffers should sit on editor.buffers, view simply refs them diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs index fc98f712..b9ee933d 100644 --- a/helix-term/src/commands.rs +++ b/helix-term/src/commands.rs @@ -869,13 +869,6 @@ pub fn open_below(cx: &mut Context) { text.push_str(&indent); let text = text.repeat(count); - // TODO: ideally we want to run a hook over the transactions to figure out and reindent all - // \n's as a post-processing step? - // behaviors: - // - on insert mode enter: we add newline + indent and position cursor at the end - // - on 3o/3O: we insert 3 newlines + indents each and position cursors at ends - - // generate changes (index, index, Some(text.into())) }) .collect(); @@ -902,6 +895,56 @@ pub fn open_below(cx: &mut Context) { } // O inserts a new line before each line with a selection +pub fn open_above(cx: &mut Context) { + let count = cx.count; + let mut doc = cx.doc(); + enter_insert_mode(&mut doc); + + let lines = selection_lines(doc.text(), doc.selection()); + + let positions = lines.into_iter().map(|index| { + // adjust all positions to the end of the previous line + doc.text().line_to_char(index).saturating_sub(1) + }); + + let text = doc.text().slice(..); + + let changes: Vec<Change> = positions + .map(|index| { + // TODO: share logic with insert_newline for indentation + let indent_level = + helix_core::indent::suggested_indent_for_pos(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); + + // generate changes + (index, index, Some(text.into())) + }) + .collect(); + + // 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( + changes + .iter() + .map(|(start, _end, text): &Change| { + let len = text.as_ref().map(|text| text.len()).unwrap(); // minus newline + let pos = start + len; + Range::new(pos, pos) + }) + .collect(), + 0, + ); + + let transaction = + Transaction::change(doc.text(), changes.into_iter()).with_selection(selection); + + doc.apply(&transaction); +} pub fn normal_mode(cx: &mut Context) { let mut doc = cx.doc(); diff --git a/helix-term/src/keymap.rs b/helix-term/src/keymap.rs index 5a39b774..1f34aa9e 100644 --- a/helix-term/src/keymap.rs +++ b/helix-term/src/keymap.rs @@ -160,7 +160,7 @@ pub fn default() -> Keymaps { key!('a') => commands::append_mode, shift!('A') => commands::append_to_line, key!('o') => commands::open_below, - // key!('O') => commands::open_above, + shift!('O') => commands::open_above, // [<space> ]<space> equivalents too (add blank new line, no edit) |