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@ -18,57 +18,66 @@ use helix_view::{
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Editor,
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};
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pub struct Context<'a, 'b> {
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pub struct Context<'a> {
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pub count: usize,
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pub view: &'a mut View,
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pub executor: &'a smol::Executor<'b>,
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pub language_servers: &'a helix_lsp::Registry,
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pub editor: &'a mut Editor,
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pub executor: &'static smol::Executor<'static>,
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pub callback: Option<crate::compositor::Callback>,
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}
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impl<'a> Context<'a> {
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pub fn view(&mut self) -> &mut View {
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self.editor.view_mut()
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}
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}
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/// A command is a function that takes the current state and a count, and does a side-effect on the
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/// state (usually by creating and applying a transaction).
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pub type Command = fn(cx: &mut Context);
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pub fn move_char_left(cx: &mut Context) {
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let count = cx.count;
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let selection =
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cx.view
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cx.view()
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.doc
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.state
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.move_selection(Direction::Backward, Granularity::Character, cx.count);
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cx.view.doc.set_selection(selection);
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.move_selection(Direction::Backward, Granularity::Character, count);
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cx.view().doc.set_selection(selection);
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}
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pub fn move_char_right(cx: &mut Context) {
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let count = cx.count;
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let selection =
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cx.view
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cx.view()
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.doc
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.state
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.move_selection(Direction::Forward, Granularity::Character, cx.count);
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cx.view.doc.set_selection(selection);
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.move_selection(Direction::Forward, Granularity::Character, count);
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cx.view().doc.set_selection(selection);
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}
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pub fn move_line_up(cx: &mut Context) {
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let count = cx.count;
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let selection =
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cx.view
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cx.view()
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.doc
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.state
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.move_selection(Direction::Backward, Granularity::Line, cx.count);
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cx.view.doc.set_selection(selection);
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.move_selection(Direction::Backward, Granularity::Line, count);
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cx.view().doc.set_selection(selection);
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}
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pub fn move_line_down(cx: &mut Context) {
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let count = cx.count;
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let selection =
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cx.view
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cx.view()
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.doc
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.state
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.move_selection(Direction::Forward, Granularity::Line, cx.count);
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cx.view.doc.set_selection(selection);
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.move_selection(Direction::Forward, Granularity::Line, count);
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cx.view().doc.set_selection(selection);
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}
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pub fn move_line_end(cx: &mut Context) {
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let lines = selection_lines(&cx.view.doc.state);
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let lines = selection_lines(&cx.view().doc.state);
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let positions = lines
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.into_iter()
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@ -77,75 +86,85 @@ pub fn move_line_end(cx: &mut Context) {
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// Line end is pos at the start of next line - 1
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// subtract another 1 because the line ends with \n
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cx.view.doc.text().line_to_char(index + 1).saturating_sub(2)
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cx.view()
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.doc
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.text()
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.line_to_char(index + 1)
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.saturating_sub(2)
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})
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.map(|pos| Range::new(pos, pos));
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let selection = Selection::new(positions.collect(), 0);
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cx.view.doc.set_selection(selection);
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cx.view().doc.set_selection(selection);
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}
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pub fn move_line_start(cx: &mut Context) {
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let lines = selection_lines(&cx.view.doc.state);
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let lines = selection_lines(&cx.view().doc.state);
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let positions = lines
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.into_iter()
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.map(|index| {
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// adjust all positions to the start of the line.
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cx.view.doc.text().line_to_char(index)
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cx.view().doc.text().line_to_char(index)
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})
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.map(|pos| Range::new(pos, pos));
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let selection = Selection::new(positions.collect(), 0);
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cx.view.doc.set_selection(selection);
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cx.view().doc.set_selection(selection);
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}
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pub fn move_next_word_start(cx: &mut Context) {
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let pos = cx.view.doc.state.move_pos(
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cx.view.doc.selection().cursor(),
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let count = cx.count;
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let view = cx.view();
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let pos = view.doc.state.move_pos(
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view.doc.selection().cursor(),
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Direction::Forward,
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Granularity::Word,
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cx.count,
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count,
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);
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cx.view.doc.set_selection(Selection::point(pos));
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view.doc.set_selection(Selection::point(pos));
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}
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pub fn move_prev_word_start(cx: &mut Context) {
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let pos = cx.view.doc.state.move_pos(
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cx.view.doc.selection().cursor(),
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let count = cx.count;
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let view = cx.view();
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let pos = view.doc.state.move_pos(
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view.doc.selection().cursor(),
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Direction::Backward,
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Granularity::Word,
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cx.count,
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count,
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);
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cx.view.doc.set_selection(Selection::point(pos));
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view.doc.set_selection(Selection::point(pos));
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}
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pub fn move_next_word_end(cx: &mut Context) {
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let count = cx.count;
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let view = cx.view();
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let pos = State::move_next_word_end(
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&cx.view.doc.text().slice(..),
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cx.view.doc.selection().cursor(),
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cx.count,
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&view.doc.text().slice(..),
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view.doc.selection().cursor(),
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count,
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);
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cx.view.doc.set_selection(Selection::point(pos));
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view.doc.set_selection(Selection::point(pos));
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}
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pub fn move_file_start(cx: &mut Context) {
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cx.view.doc.set_selection(Selection::point(0));
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cx.view().doc.set_selection(Selection::point(0));
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cx.view.doc.mode = Mode::Normal;
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cx.view().doc.mode = Mode::Normal;
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}
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pub fn move_file_end(cx: &mut Context) {
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let text = &cx.view.doc.text();
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let text = &cx.view().doc.text();
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let last_line = text.line_to_char(text.len_lines().saturating_sub(2));
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cx.view.doc.set_selection(Selection::point(last_line));
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cx.view().doc.set_selection(Selection::point(last_line));
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cx.view.doc.mode = Mode::Normal;
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cx.view().doc.mode = Mode::Normal;
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}
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pub fn check_cursor_in_view(view: &View) -> bool {
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@ -160,93 +179,98 @@ pub fn check_cursor_in_view(view: &View) -> bool {
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}
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pub fn page_up(cx: &mut Context) {
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if cx.view.first_line < PADDING {
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let view = cx.view();
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if view.first_line < PADDING {
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return;
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}
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cx.view.first_line = cx.view.first_line.saturating_sub(cx.view.size.1 as usize);
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view.first_line = view.first_line.saturating_sub(view.size.1 as usize);
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if !check_cursor_in_view(cx.view) {
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let text = cx.view.doc.text();
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let pos = text.line_to_char(cx.view.last_line().saturating_sub(PADDING));
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cx.view.doc.set_selection(Selection::point(pos));
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if !check_cursor_in_view(view) {
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let text = view.doc.text();
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let pos = text.line_to_char(view.last_line().saturating_sub(PADDING));
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view.doc.set_selection(Selection::point(pos));
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}
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}
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pub fn page_down(cx: &mut Context) {
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cx.view.first_line += cx.view.size.1 as usize + PADDING;
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let view = cx.view();
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view.first_line += view.size.1 as usize + PADDING;
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if cx.view.first_line < cx.view.doc.text().len_lines() {
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let text = cx.view.doc.text();
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let pos = text.line_to_char(cx.view.first_line as usize);
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cx.view.doc.set_selection(Selection::point(pos));
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if view.first_line < view.doc.text().len_lines() {
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let text = view.doc.text();
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let pos = text.line_to_char(view.first_line as usize);
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view.doc.set_selection(Selection::point(pos));
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}
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}
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pub fn half_page_up(cx: &mut Context) {
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if cx.view.first_line < PADDING {
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let view = cx.view();
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if view.first_line < PADDING {
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return;
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}
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cx.view.first_line = cx
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.view
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.first_line
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.saturating_sub(cx.view.size.1 as usize / 2);
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view.first_line = view.first_line.saturating_sub(view.size.1 as usize / 2);
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if !check_cursor_in_view(cx.view) {
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let text = &cx.view.doc.text();
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let pos = text.line_to_char(cx.view.last_line() - PADDING);
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cx.view.doc.set_selection(Selection::point(pos));
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if !check_cursor_in_view(view) {
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let text = &view.doc.text();
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let pos = text.line_to_char(view.last_line() - PADDING);
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view.doc.set_selection(Selection::point(pos));
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}
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}
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pub fn half_page_down(cx: &mut Context) {
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let lines = cx.view.doc.text().len_lines();
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if cx.view.first_line < lines.saturating_sub(cx.view.size.1 as usize) {
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cx.view.first_line += cx.view.size.1 as usize / 2;
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let view = cx.view();
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let lines = view.doc.text().len_lines();
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if view.first_line < lines.saturating_sub(view.size.1 as usize) {
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view.first_line += view.size.1 as usize / 2;
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}
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if !check_cursor_in_view(cx.view) {
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let text = cx.view.doc.text();
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let pos = text.line_to_char(cx.view.first_line as usize);
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cx.view.doc.set_selection(Selection::point(pos));
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if !check_cursor_in_view(view) {
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let text = view.doc.text();
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let pos = text.line_to_char(view.first_line as usize);
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view.doc.set_selection(Selection::point(pos));
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}
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}
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// avoid select by default by having a visual mode switch that makes movements into selects
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pub fn extend_char_left(cx: &mut Context) {
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let count = cx.count;
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let view = cx.view();
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let selection =
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cx.view
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.doc
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view.doc
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.state
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.extend_selection(Direction::Backward, Granularity::Character, cx.count);
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cx.view.doc.set_selection(selection);
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.extend_selection(Direction::Backward, Granularity::Character, count);
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view.doc.set_selection(selection);
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}
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pub fn extend_char_right(cx: &mut Context) {
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let count = cx.count;
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let view = cx.view();
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let selection =
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cx.view
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.doc
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view.doc
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.state
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.extend_selection(Direction::Forward, Granularity::Character, cx.count);
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cx.view.doc.set_selection(selection);
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.extend_selection(Direction::Forward, Granularity::Character, count);
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view.doc.set_selection(selection);
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}
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pub fn extend_line_up(cx: &mut Context) {
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let selection =
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cx.view
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.doc
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.state
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.extend_selection(Direction::Backward, Granularity::Line, cx.count);
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cx.view.doc.set_selection(selection);
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let count = cx.count;
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let view = cx.view();
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let selection = view
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.doc
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.state
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.extend_selection(Direction::Backward, Granularity::Line, count);
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view.doc.set_selection(selection);
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|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn extend_line_down(cx: &mut Context) {
|
|
|
|
|
let selection =
|
|
|
|
|
cx.view
|
|
|
|
|
.doc
|
|
|
|
|
.state
|
|
|
|
|
.extend_selection(Direction::Forward, Granularity::Line, cx.count);
|
|
|
|
|
cx.view.doc.set_selection(selection);
|
|
|
|
|
let count = cx.count;
|
|
|
|
|
let view = cx.view();
|
|
|
|
|
let selection = view
|
|
|
|
|
.doc
|
|
|
|
|
.state
|
|
|
|
|
.extend_selection(Direction::Forward, Granularity::Line, count);
|
|
|
|
|
view.doc.set_selection(selection);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn split_selection(cx: &mut Context) {
|
|
|
|
@ -263,7 +287,7 @@ pub fn split_selection(cx: &mut Context) {
|
|
|
|
|
// # update state
|
|
|
|
|
// }
|
|
|
|
|
|
|
|
|
|
let snapshot = cx.view.doc.state.clone();
|
|
|
|
|
let snapshot = cx.view().doc.state.clone();
|
|
|
|
|
|
|
|
|
|
let prompt = Prompt::new(
|
|
|
|
|
"split:".to_string(),
|
|
|
|
@ -272,7 +296,7 @@ pub fn split_selection(cx: &mut Context) {
|
|
|
|
|
match event {
|
|
|
|
|
PromptEvent::Abort => {
|
|
|
|
|
// revert state
|
|
|
|
|
let view = editor.view_mut().unwrap();
|
|
|
|
|
let view = editor.view_mut();
|
|
|
|
|
view.doc.state = snapshot.clone();
|
|
|
|
|
}
|
|
|
|
|
PromptEvent::Validate => {
|
|
|
|
@ -281,7 +305,7 @@ pub fn split_selection(cx: &mut Context) {
|
|
|
|
|
PromptEvent::Update => {
|
|
|
|
|
match Regex::new(input) {
|
|
|
|
|
Ok(regex) => {
|
|
|
|
|
let view = editor.view_mut().unwrap();
|
|
|
|
|
let view = editor.view_mut();
|
|
|
|
|
|
|
|
|
|
// revert state to what it was before the last update
|
|
|
|
|
view.doc.state = snapshot.clone();
|
|
|
|
@ -306,32 +330,33 @@ pub fn split_selection(cx: &mut Context) {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn split_selection_on_newline(cx: &mut Context) {
|
|
|
|
|
let text = &cx.view.doc.text().slice(..);
|
|
|
|
|
let view = cx.view();
|
|
|
|
|
let text = &view.doc.text().slice(..);
|
|
|
|
|
// only compile the regex once
|
|
|
|
|
#[allow(clippy::trivial_regex)]
|
|
|
|
|
static REGEX: Lazy<Regex> = Lazy::new(|| Regex::new(r"\n").unwrap());
|
|
|
|
|
let selection = selection::split_on_matches(text, cx.view.doc.selection(), ®EX);
|
|
|
|
|
cx.view.doc.set_selection(selection);
|
|
|
|
|
let selection = selection::split_on_matches(text, view.doc.selection(), ®EX);
|
|
|
|
|
view.doc.set_selection(selection);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn select_line(cx: &mut Context) {
|
|
|
|
|
// TODO: count
|
|
|
|
|
let pos = cx.view.doc.selection().primary();
|
|
|
|
|
let text = cx.view.doc.text();
|
|
|
|
|
let pos = cx.view().doc.selection().primary();
|
|
|
|
|
let text = cx.view().doc.text();
|
|
|
|
|
let line = text.char_to_line(pos.head);
|
|
|
|
|
let start = text.line_to_char(line);
|
|
|
|
|
let end = text.line_to_char(line + 1).saturating_sub(1);
|
|
|
|
|
|
|
|
|
|
cx.view.doc.set_selection(Selection::single(start, end));
|
|
|
|
|
cx.view().doc.set_selection(Selection::single(start, end));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// heuristic: append changes to history after each command, unless we're in insert mode
|
|
|
|
|
|
|
|
|
|
fn _delete_selection(cx: &mut Context) {
|
|
|
|
|
let transaction = Transaction::change_by_selection(&cx.view.doc.state, |range| {
|
|
|
|
|
let transaction = Transaction::change_by_selection(&cx.view().doc.state, |range| {
|
|
|
|
|
(range.from(), range.to() + 1, None)
|
|
|
|
|
});
|
|
|
|
|
cx.view.doc.apply(&transaction);
|
|
|
|
|
cx.view().doc.apply(&transaction);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn delete_selection(cx: &mut Context) {
|
|
|
|
@ -347,26 +372,26 @@ pub fn change_selection(cx: &mut Context) {
|
|
|
|
|
|
|
|
|
|
pub fn collapse_selection(cx: &mut Context) {
|
|
|
|
|
let selection = cx
|
|
|
|
|
.view
|
|
|
|
|
.view()
|
|
|
|
|
.doc
|
|
|
|
|
.selection()
|
|
|
|
|
.transform(|range| Range::new(range.head, range.head));
|
|
|
|
|
|
|
|
|
|
cx.view.doc.set_selection(selection);
|
|
|
|
|
cx.view().doc.set_selection(selection);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn flip_selections(cx: &mut Context) {
|
|
|
|
|
let selection = cx
|
|
|
|
|
.view
|
|
|
|
|
.view()
|
|
|
|
|
.doc
|
|
|
|
|
.selection()
|
|
|
|
|
.transform(|range| Range::new(range.head, range.anchor));
|
|
|
|
|
|
|
|
|
|
cx.view.doc.set_selection(selection);
|
|
|
|
|
cx.view().doc.set_selection(selection);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
fn enter_insert_mode(cx: &mut Context) {
|
|
|
|
|
cx.view.doc.mode = Mode::Insert;
|
|
|
|
|
cx.view().doc.mode = Mode::Insert;
|
|
|
|
|
|
|
|
|
|
// TODO: store selection for undo
|
|
|
|
|
}
|
|
|
|
@ -376,34 +401,36 @@ pub fn insert_mode(cx: &mut Context) {
|
|
|
|
|
enter_insert_mode(cx);
|
|
|
|
|
|
|
|
|
|
let selection = cx
|
|
|
|
|
.view
|
|
|
|
|
.view()
|
|
|
|
|
.doc
|
|
|
|
|
.selection()
|
|
|
|
|
.transform(|range| Range::new(range.to(), range.from()));
|
|
|
|
|
cx.view.doc.set_selection(selection);
|
|
|
|
|
cx.view().doc.set_selection(selection);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// inserts at the end of each selection
|
|
|
|
|
pub fn append_mode(cx: &mut Context) {
|
|
|
|
|
enter_insert_mode(cx);
|
|
|
|
|
cx.view.doc.restore_cursor = true;
|
|
|
|
|
let view = cx.view();
|
|
|
|
|
view.doc.restore_cursor = true;
|
|
|
|
|
|
|
|
|
|
// TODO: as transaction
|
|
|
|
|
let text = &cx.view.doc.text().slice(..);
|
|
|
|
|
let selection = cx.view.doc.selection().transform(|range| {
|
|
|
|
|
let text = &view.doc.text().slice(..);
|
|
|
|
|
let selection = view.doc.selection().transform(|range| {
|
|
|
|
|
// TODO: to() + next char
|
|
|
|
|
Range::new(
|
|
|
|
|
range.from(),
|
|
|
|
|
graphemes::next_grapheme_boundary(text, range.to()),
|
|
|
|
|
)
|
|
|
|
|
});
|
|
|
|
|
cx.view.doc.set_selection(selection);
|
|
|
|
|
view.doc.set_selection(selection);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// TODO: I, A, o and O can share a lot of the primitives.
|
|
|
|
|
pub fn command_mode(cx: &mut Context) {
|
|
|
|
|
let executor = cx.executor;
|
|
|
|
|
cx.callback = Some(Box::new(
|
|
|
|
|
|compositor: &mut Compositor, editor: &mut Editor| {
|
|
|
|
|
move |compositor: &mut Compositor, editor: &mut Editor| {
|
|
|
|
|
let prompt = Prompt::new(
|
|
|
|
|
":".to_owned(),
|
|
|
|
|
|_input: &str| {
|
|
|
|
@ -446,7 +473,7 @@ pub fn command_mode(cx: &mut Context) {
|
|
|
|
|
.filter(|command| command.contains(_input))
|
|
|
|
|
.collect()
|
|
|
|
|
}, // completion
|
|
|
|
|
|editor: &mut Editor, input: &str, event: PromptEvent| {
|
|
|
|
|
move |editor: &mut Editor, input: &str, event: PromptEvent| {
|
|
|
|
|
if event != PromptEvent::Validate {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
@ -456,9 +483,8 @@ pub fn command_mode(cx: &mut Context) {
|
|
|
|
|
match *parts.as_slice() {
|
|
|
|
|
["q"] => editor.should_close = true,
|
|
|
|
|
["o", path] => {
|
|
|
|
|
// TODO: make view()/view_mut() always contain a view.
|
|
|
|
|
let size = editor.view().unwrap().size;
|
|
|
|
|
editor.open(path.into(), size);
|
|
|
|
|
let size = editor.view().size;
|
|
|
|
|
editor.open(path.into(), size, executor);
|
|
|
|
|
}
|
|
|
|
|
_ => (),
|
|
|
|
|
}
|
|
|
|
@ -469,9 +495,9 @@ pub fn command_mode(cx: &mut Context) {
|
|
|
|
|
));
|
|
|
|
|
}
|
|
|
|
|
pub fn file_picker(cx: &mut Context) {
|
|
|
|
|
let picker = ui::file_picker("./", cx.executor);
|
|
|
|
|
cx.callback = Some(Box::new(
|
|
|
|
|
|compositor: &mut Compositor, editor: &mut Editor| {
|
|
|
|
|
let picker = ui::file_picker("./");
|
|
|
|
|
compositor.push(Box::new(picker));
|
|
|
|
|
},
|
|
|
|
|
));
|
|
|
|
@ -519,21 +545,23 @@ pub fn append_to_line(cx: &mut Context) {
|
|
|
|
|
pub fn open_below(cx: &mut Context) {
|
|
|
|
|
enter_insert_mode(cx);
|
|
|
|
|
|
|
|
|
|
let lines = selection_lines(&cx.view.doc.state);
|
|
|
|
|
let view = cx.view();
|
|
|
|
|
|
|
|
|
|
let lines = selection_lines(&view.doc.state);
|
|
|
|
|
|
|
|
|
|
let positions: Vec<_> = lines
|
|
|
|
|
.into_iter()
|
|
|
|
|
.map(|index| {
|
|
|
|
|
// adjust all positions to the end of the line/start of the next one.
|
|
|
|
|
cx.view.doc.text().line_to_char(index + 1)
|
|
|
|
|
view.doc.text().line_to_char(index + 1)
|
|
|
|
|
})
|
|
|
|
|
.collect();
|
|
|
|
|
|
|
|
|
|
let changes = positions.iter().copied().map(|index| {
|
|
|
|
|
// TODO: share logic with insert_newline for indentation
|
|
|
|
|
let indent_level = helix_core::indent::suggested_indent_for_pos(
|
|
|
|
|
cx.view.doc.syntax.as_ref(),
|
|
|
|
|
&cx.view.doc.state,
|
|
|
|
|
view.doc.syntax.as_ref(),
|
|
|
|
|
&view.doc.state,
|
|
|
|
|
index,
|
|
|
|
|
true,
|
|
|
|
|
);
|
|
|
|
@ -567,42 +595,42 @@ pub fn open_below(cx: &mut Context) {
|
|
|
|
|
0,
|
|
|
|
|
);
|
|
|
|
|
|
|
|
|
|
let transaction = Transaction::change(&cx.view.doc.state, changes).with_selection(selection);
|
|
|
|
|
let transaction = Transaction::change(&view.doc.state, changes).with_selection(selection);
|
|
|
|
|
|
|
|
|
|
cx.view.doc.apply(&transaction);
|
|
|
|
|
view.doc.apply(&transaction);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// O inserts a new line before each line with a selection
|
|
|
|
|
|
|
|
|
|
fn append_changes_to_history(cx: &mut Context) {
|
|
|
|
|
if cx.view.doc.changes.is_empty() {
|
|
|
|
|
if cx.view().doc.changes.is_empty() {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// TODO: change -> change -> undo -> change -> change fails, probably old_state needs reset
|
|
|
|
|
|
|
|
|
|
let new_changeset = ChangeSet::new(cx.view.doc.text());
|
|
|
|
|
let changes = std::mem::replace(&mut cx.view.doc.changes, new_changeset);
|
|
|
|
|
let new_changeset = ChangeSet::new(cx.view().doc.text());
|
|
|
|
|
let changes = std::mem::replace(&mut cx.view().doc.changes, new_changeset);
|
|
|
|
|
// Instead of doing this messy merge we could always commit, and based on transaction
|
|
|
|
|
// annotations either add a new layer or compose into the previous one.
|
|
|
|
|
let transaction = Transaction::from(changes).with_selection(cx.view.doc.selection().clone());
|
|
|
|
|
let transaction = Transaction::from(changes).with_selection(cx.view().doc.selection().clone());
|
|
|
|
|
|
|
|
|
|
// increment document version
|
|
|
|
|
// TODO: needs to happen on undo/redo too
|
|
|
|
|
cx.view.doc.version += 1;
|
|
|
|
|
cx.view().doc.version += 1;
|
|
|
|
|
|
|
|
|
|
// TODO: trigger lsp/documentDidChange with changes
|
|
|
|
|
|
|
|
|
|
// HAXX: we need to reconstruct the state as it was before the changes..
|
|
|
|
|
let old_state = cx
|
|
|
|
|
.view
|
|
|
|
|
.view()
|
|
|
|
|
.doc
|
|
|
|
|
.old_state
|
|
|
|
|
.take()
|
|
|
|
|
.expect("no old_state available");
|
|
|
|
|
|
|
|
|
|
// TODO: take transaction by value?
|
|
|
|
|
cx.view
|
|
|
|
|
cx.view()
|
|
|
|
|
.doc
|
|
|
|
|
.history
|
|
|
|
|
.commit_revision(&transaction, &old_state);
|
|
|
|
@ -611,27 +639,29 @@ fn append_changes_to_history(cx: &mut Context) {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn normal_mode(cx: &mut Context) {
|
|
|
|
|
cx.view.doc.mode = Mode::Normal;
|
|
|
|
|
cx.view().doc.mode = Mode::Normal;
|
|
|
|
|
|
|
|
|
|
append_changes_to_history(cx);
|
|
|
|
|
|
|
|
|
|
let view = cx.view();
|
|
|
|
|
|
|
|
|
|
// if leaving append mode, move cursor back by 1
|
|
|
|
|
if cx.view.doc.restore_cursor {
|
|
|
|
|
let text = &cx.view.doc.text().slice(..);
|
|
|
|
|
let selection = cx.view.doc.selection().transform(|range| {
|
|
|
|
|
if view.doc.restore_cursor {
|
|
|
|
|
let text = &view.doc.text().slice(..);
|
|
|
|
|
let selection = view.doc.selection().transform(|range| {
|
|
|
|
|
Range::new(
|
|
|
|
|
range.from(),
|
|
|
|
|
graphemes::prev_grapheme_boundary(text, range.to()),
|
|
|
|
|
)
|
|
|
|
|
});
|
|
|
|
|
cx.view.doc.set_selection(selection);
|
|
|
|
|
view.doc.set_selection(selection);
|
|
|
|
|
|
|
|
|
|
cx.view.doc.restore_cursor = false;
|
|
|
|
|
view.doc.restore_cursor = false;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn goto_mode(cx: &mut Context) {
|
|
|
|
|
cx.view.doc.mode = Mode::Goto;
|
|
|
|
|
cx.view().doc.mode = Mode::Goto;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// NOTE: Transactions in this module get appended to history when we switch back to normal mode.
|
|
|
|
@ -640,9 +670,9 @@ pub mod insert {
|
|
|
|
|
// TODO: insert means add text just before cursor, on exit we should be on the last letter.
|
|
|
|
|
pub fn insert_char(cx: &mut Context, c: char) {
|
|
|
|
|
let c = Tendril::from_char(c);
|
|
|
|
|
let transaction = Transaction::insert(&cx.view.doc.state, c);
|
|
|
|
|
let transaction = Transaction::insert(&cx.view().doc.state, c);
|
|
|
|
|
|
|
|
|
|
cx.view.doc.apply(&transaction);
|
|
|
|
|
cx.view().doc.apply(&transaction);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn insert_tab(cx: &mut Context) {
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|
|
|
@ -650,10 +680,11 @@ pub mod insert {
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|
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|
}
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|
|
|
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|
|
|
|
pub fn insert_newline(cx: &mut Context) {
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|
|
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|
let transaction = Transaction::change_by_selection(&cx.view.doc.state, |range| {
|
|
|
|
|
let view = cx.view();
|
|
|
|
|
let transaction = Transaction::change_by_selection(&view.doc.state, |range| {
|
|
|
|
|
let indent_level = helix_core::indent::suggested_indent_for_pos(
|
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|
|
|
cx.view.doc.syntax.as_ref(),
|
|
|
|
|
&cx.view.doc.state,
|
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|
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|
view.doc.syntax.as_ref(),
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|
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|
&view.doc.state,
|
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|
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|
range.head,
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|
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|
true,
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|
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|
);
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|
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|
@ -663,32 +694,36 @@ pub mod insert {
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|
text.push_str(&indent);
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|
|
|
(range.head, range.head, Some(text.into()))
|
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|
|
|
});
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|
|
|
|
cx.view.doc.apply(&transaction);
|
|
|
|
|
view.doc.apply(&transaction);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// TODO: handle indent-aware delete
|
|
|
|
|
pub fn delete_char_backward(cx: &mut Context) {
|
|
|
|
|
let text = &cx.view.doc.text().slice(..);
|
|
|
|
|
let transaction = Transaction::change_by_selection(&cx.view.doc.state, |range| {
|
|
|
|
|
let count = cx.count;
|
|
|
|
|
let view = cx.view();
|
|
|
|
|
let text = &view.doc.text().slice(..);
|
|
|
|
|
let transaction = Transaction::change_by_selection(&view.doc.state, |range| {
|
|
|
|
|
(
|
|
|
|
|
graphemes::nth_prev_grapheme_boundary(text, range.head, cx.count),
|
|
|
|
|
graphemes::nth_prev_grapheme_boundary(text, range.head, count),
|
|
|
|
|
range.head,
|
|
|
|
|
None,
|
|
|
|
|
)
|
|
|
|
|
});
|
|
|
|
|
cx.view.doc.apply(&transaction);
|
|
|
|
|
view.doc.apply(&transaction);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn delete_char_forward(cx: &mut Context) {
|
|
|
|
|
let text = &cx.view.doc.text().slice(..);
|
|
|
|
|
let transaction = Transaction::change_by_selection(&cx.view.doc.state, |range| {
|
|
|
|
|
let count = cx.count;
|
|
|
|
|
let view = cx.view();
|
|
|
|
|
let text = &view.doc.text().slice(..);
|
|
|
|
|
let transaction = Transaction::change_by_selection(&view.doc.state, |range| {
|
|
|
|
|
(
|
|
|
|
|
range.head,
|
|
|
|
|
graphemes::nth_next_grapheme_boundary(text, range.head, cx.count),
|
|
|
|
|
graphemes::nth_next_grapheme_boundary(text, range.head, count),
|
|
|
|
|
None,
|
|
|
|
|
)
|
|
|
|
|
});
|
|
|
|
|
cx.view.doc.apply(&transaction);
|
|
|
|
|
view.doc.apply(&transaction);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
@ -702,23 +737,23 @@ pub fn insert_char_prompt(prompt: &mut Prompt, c: char) {
|
|
|
|
|
// storing it?
|
|
|
|
|
|
|
|
|
|
pub fn undo(cx: &mut Context) {
|
|
|
|
|
cx.view.doc.undo();
|
|
|
|
|
cx.view().doc.undo();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn redo(cx: &mut Context) {
|
|
|
|
|
cx.view.doc.redo();
|
|
|
|
|
cx.view().doc.redo();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Yank / Paste
|
|
|
|
|
|
|
|
|
|
pub fn yank(cx: &mut Context) {
|
|
|
|
|
// TODO: should selections be made end inclusive?
|
|
|
|
|
let values = cx
|
|
|
|
|
.view
|
|
|
|
|
let view = cx.view();
|
|
|
|
|
let values = view
|
|
|
|
|
.doc
|
|
|
|
|
.state
|
|
|
|
|
.selection()
|
|
|
|
|
.fragments(&cx.view.doc.text().slice(..))
|
|
|
|
|
.fragments(&view.doc.text().slice(..))
|
|
|
|
|
.map(|cow| cow.into_owned())
|
|
|
|
|
.collect();
|
|
|
|
|
|
|
|
|
@ -756,21 +791,23 @@ pub fn paste(cx: &mut Context) {
|
|
|
|
|
|
|
|
|
|
let mut values = values.into_iter().map(Tendril::from).chain(repeat);
|
|
|
|
|
|
|
|
|
|
let view = cx.view();
|
|
|
|
|
|
|
|
|
|
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 = cx.view.doc.text();
|
|
|
|
|
Transaction::change_by_selection(&cx.view.doc.state, |range| {
|
|
|
|
|
let text = view.doc.text();
|
|
|
|
|
Transaction::change_by_selection(&view.doc.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(&cx.view.doc.state, |range| {
|
|
|
|
|
Transaction::change_by_selection(&view.doc.state, |range| {
|
|
|
|
|
(range.head + 1, range.head + 1, Some(values.next().unwrap()))
|
|
|
|
|
})
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
cx.view.doc.apply(&transaction);
|
|
|
|
|
view.doc.apply(&transaction);
|
|
|
|
|
append_changes_to_history(cx);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
@ -793,28 +830,30 @@ fn get_lines(view: &View) -> Vec<usize> {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn indent(cx: &mut Context) {
|
|
|
|
|
let lines = get_lines(cx.view);
|
|
|
|
|
let lines = get_lines(cx.view());
|
|
|
|
|
|
|
|
|
|
// Indent by one level
|
|
|
|
|
let indent = Tendril::from(" ".repeat(TAB_WIDTH));
|
|
|
|
|
|
|
|
|
|
let view = cx.view();
|
|
|
|
|
|
|
|
|
|
let transaction = Transaction::change(
|
|
|
|
|
&cx.view.doc.state,
|
|
|
|
|
&view.doc.state,
|
|
|
|
|
lines.into_iter().map(|line| {
|
|
|
|
|
let pos = cx.view.doc.text().line_to_char(line);
|
|
|
|
|
let pos = view.doc.text().line_to_char(line);
|
|
|
|
|
(pos, pos, Some(indent.clone()))
|
|
|
|
|
}),
|
|
|
|
|
);
|
|
|
|
|
cx.view.doc.apply(&transaction);
|
|
|
|
|
cx.view().doc.apply(&transaction);
|
|
|
|
|
append_changes_to_history(cx);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn unindent(cx: &mut Context) {
|
|
|
|
|
let lines = get_lines(cx.view);
|
|
|
|
|
let lines = get_lines(cx.view());
|
|
|
|
|
let mut changes = Vec::with_capacity(lines.len());
|
|
|
|
|
|
|
|
|
|
for line_idx in lines {
|
|
|
|
|
let line = cx.view.doc.text().line(line_idx);
|
|
|
|
|
let line = cx.view().doc.text().line(line_idx);
|
|
|
|
|
let mut width = 0;
|
|
|
|
|
|
|
|
|
|
for ch in line.chars() {
|
|
|
|
@ -830,14 +869,14 @@ pub fn unindent(cx: &mut Context) {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if width > 0 {
|
|
|
|
|
let start = cx.view.doc.text().line_to_char(line_idx);
|
|
|
|
|
let start = cx.view().doc.text().line_to_char(line_idx);
|
|
|
|
|
changes.push((start, start + width, None))
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
let transaction = Transaction::change(&cx.view.doc.state, changes.into_iter());
|
|
|
|
|
let transaction = Transaction::change(&cx.view().doc.state, changes.into_iter());
|
|
|
|
|
|
|
|
|
|
cx.view.doc.apply(&transaction);
|
|
|
|
|
cx.view().doc.apply(&transaction);
|
|
|
|
|
append_changes_to_history(cx);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
@ -852,21 +891,25 @@ pub fn save(cx: &mut Context) {
|
|
|
|
|
// Spawns an async task to actually do the saving. This way we prevent blocking.
|
|
|
|
|
|
|
|
|
|
// TODO: handle save errors somehow?
|
|
|
|
|
cx.executor.spawn(cx.view.doc.save()).detach();
|
|
|
|
|
cx.executor.spawn(cx.view().doc.save()).detach();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn completion(cx: &mut Context) {
|
|
|
|
|
let language_server = cx.language_servers.get("rust", &cx.executor).unwrap();
|
|
|
|
|
let language_server = cx
|
|
|
|
|
.editor
|
|
|
|
|
.language_servers
|
|
|
|
|
.get("source.rust", &cx.executor)
|
|
|
|
|
.unwrap();
|
|
|
|
|
use log::info;
|
|
|
|
|
|
|
|
|
|
let view = cx.view();
|
|
|
|
|
|
|
|
|
|
// TODO: blocking here is not ideal
|
|
|
|
|
let pos = helix_lsp::util::pos_to_lsp_pos(
|
|
|
|
|
&cx.view.doc.text().slice(..),
|
|
|
|
|
cx.view.doc.selection().cursor(),
|
|
|
|
|
);
|
|
|
|
|
let pos =
|
|
|
|
|
helix_lsp::util::pos_to_lsp_pos(&view.doc.text().slice(..), view.doc.selection().cursor());
|
|
|
|
|
|
|
|
|
|
// TODO: handle fails
|
|
|
|
|
let res = smol::block_on(language_server.completion(cx.view.doc.identifier(), pos))
|
|
|
|
|
let res = smol::block_on(language_server.completion(cx.view().doc.identifier(), pos))
|
|
|
|
|
.unwrap_or_default();
|
|
|
|
|
|
|
|
|
|
// TODO: if no completion, show some message or something
|
|
|
|
@ -903,7 +946,7 @@ pub fn completion(cx: &mut Context) {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
let view = editor.view_mut().unwrap();
|
|
|
|
|
let view = editor.view_mut();
|
|
|
|
|
let transaction =
|
|
|
|
|
util::generate_transaction_from_edits(&view.doc.state, vec![edit]);
|
|
|
|
|
view.doc.apply(&transaction);
|
|
|
|
|