diff options
Diffstat (limited to 'helix-view/src')
| -rw-r--r-- | helix-view/src/commands.rs | 88 | ||||
| -rw-r--r-- | helix-view/src/keymap.rs | 13 |
2 files changed, 93 insertions, 8 deletions
diff --git a/helix-view/src/commands.rs b/helix-view/src/commands.rs index e5e3244d..56e1c5db 100644 --- a/helix-view/src/commands.rs +++ b/helix-view/src/commands.rs @@ -241,7 +241,7 @@ pub fn select_line(view: &mut View, _count: usize) { let text = view.state.doc(); let line = text.char_to_line(pos.head); let start = text.line_to_char(line); - let end = text.line_to_char(line + 1); + let end = text.line_to_char(line + 1).saturating_sub(1); // TODO: use a transaction view.state.selection = Selection::single(start, end); @@ -249,7 +249,7 @@ pub fn select_line(view: &mut View, _count: usize) { pub fn delete_selection(view: &mut View, _count: usize) { let transaction = - Transaction::change_by_selection(&view.state, |range| (range.from(), range.to(), None)); + Transaction::change_by_selection(&view.state, |range| (range.from(), range.to() + 1, None)); transaction.apply(&mut view.state); append_changes_to_history(view); @@ -267,6 +267,13 @@ pub fn collapse_selection(view: &mut View, _count: usize) { .transform(|range| Range::new(range.head, range.head)) } +pub fn flip_selections(view: &mut View, _count: usize) { + view.state.selection = view + .state + .selection + .transform(|range| Range::new(range.head, range.anchor)) +} + fn enter_insert_mode(view: &mut View) { view.state.mode = Mode::Insert; @@ -463,7 +470,7 @@ pub fn delete_char_forward(view: &mut View, count: usize) { pub fn undo(view: &mut View, _count: usize) { view.history.undo(&mut view.state); - // TODO: each command should simply return a Option<transaction>, then the higher level handles storing it? + // TODO: each command could simply return a Option<transaction>, then the higher level handles storing it? } pub fn redo(view: &mut View, _count: usize) { @@ -481,11 +488,15 @@ pub fn yank(view: &mut View, _count: usize) { .map(|cow| cow.into_owned()) .collect(); - register::set('"', values); + // TODO: allow specifying reg + let reg = '"'; + register::set(reg, values); } pub fn paste(view: &mut View, _count: usize) { - if let Some(values) = register::get('"') { + // TODO: allow specifying reg + let reg = '"'; + if let Some(values) = register::get(reg) { let repeat = std::iter::repeat( values .last() @@ -493,13 +504,74 @@ pub fn paste(view: &mut View, _count: usize) { .unwrap(), ); + // TODO: if any of values ends \n it's linewise paste + // + // p => paste after + // P => paste before + // alt-p => paste every yanked selection after selected text + // alt-P => paste every yanked selection before selected text + // R => replace selected text with yanked text + // alt-R => replace selected text with every yanked text + // + // append => insert at next line + // insert => insert at start of line + // replace => replace + // default insert + + let linewise = values.iter().any(|value| value.ends_with('\n')); + let mut values = values.into_iter().map(Tendril::from).chain(repeat); - let transaction = Transaction::change_by_selection(&view.state, |range| { - (range.head + 1, range.head + 1, Some(values.next().unwrap())) - }); + let transaction = if linewise { + // paste on the next line + // TODO: can simply take a range + modifier and compute the right pos without ifs + let text = view.state.doc(); + Transaction::change_by_selection(&view.state, |range| { + let line_end = text.line_to_char(text.char_to_line(range.head) + 1); + (line_end, line_end, Some(values.next().unwrap())) + }) + } else { + Transaction::change_by_selection(&view.state, |range| { + (range.head + 1, range.head + 1, Some(values.next().unwrap())) + }) + }; transaction.apply(&mut view.state); append_changes_to_history(view); } } + +const TAB_WIDTH: usize = 4; + +pub fn indent(view: &mut View, _count: usize) { + let mut lines = Vec::new(); + + // Get all line numbers + for range in view.state.selection.ranges() { + let start = view.state.doc.char_to_line(range.from()); + let end = view.state.doc.char_to_line(range.to()); + + for line in start..=end { + lines.push(line) + } + } + lines.sort_unstable(); // sorting by usize so _unstable is preferred + lines.dedup(); + + // Indent by one level + let indent = Tendril::from(" ".repeat(TAB_WIDTH)); + + let transaction = Transaction::change( + &view.state, + lines.into_iter().map(|line| { + let pos = view.state.doc.line_to_char(line); + (pos, pos, Some(indent.clone())) + }), + ); + transaction.apply(&mut view.state); + append_changes_to_history(view); +} + +pub fn unindent(view: &mut View, _count: usize) { + unimplemented!() +} diff --git a/helix-view/src/keymap.rs b/helix-view/src/keymap.rs index 8c53b403..1d7505d2 100644 --- a/helix-view/src/keymap.rs +++ b/helix-view/src/keymap.rs @@ -117,6 +117,15 @@ macro_rules! ctrl { }; } +macro_rules! alt { + ($ch:expr) => { + Key { + code: KeyCode::Char($ch), + modifiers: Modifiers::ALT, + } + }; +} + pub fn default() -> Keymaps { hashmap!( state::Mode::Normal => @@ -145,11 +154,15 @@ pub fn default() -> Keymaps { vec![key!('c')] => commands::change_selection, vec![key!('s')] => commands::split_selection_on_newline, vec![key!(';')] => commands::collapse_selection, + // TODO should be alt(;) + vec![key!('%')] => commands::flip_selections, vec![key!('x')] => commands::select_line, vec![key!('u')] => commands::undo, vec![shift!('U')] => commands::redo, vec![key!('y')] => commands::yank, vec![key!('p')] => commands::paste, + vec![key!('>')] => commands::indent, + vec![key!('<')] => commands::unindent, vec![Key { code: KeyCode::Esc, modifiers: Modifiers::NONE |