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-rw-r--r--helix-view/src/commands.rs680
-rw-r--r--helix-view/src/keymap.rs217
-rw-r--r--helix-view/src/lib.rs3
-rw-r--r--helix-view/src/prompt.rs126
4 files changed, 0 insertions, 1026 deletions
diff --git a/helix-view/src/commands.rs b/helix-view/src/commands.rs
deleted file mode 100644
index c135a3da..00000000
--- a/helix-view/src/commands.rs
+++ /dev/null
@@ -1,680 +0,0 @@
-use helix_core::{
- graphemes,
- indent::TAB_WIDTH,
- regex::Regex,
- register, selection,
- state::{Direction, Granularity, State},
- ChangeSet, Range, Selection, Tendril, Transaction,
-};
-use once_cell::sync::Lazy;
-
-use crate::{
- document::Mode,
- prompt::Prompt,
- view::{View, PADDING},
-};
-
-pub struct Context<'a, 'b> {
- pub count: usize,
- pub view: &'a mut View,
- pub executor: &'a smol::Executor<'b>,
-}
-
-/// A command is a function that takes the current state and a count, and does a side-effect on the
-/// state (usually by creating and applying a transaction).
-pub type Command = fn(cx: &mut Context);
-
-pub fn move_char_left(cx: &mut Context) {
- let selection =
- cx.view
- .doc
- .state
- .move_selection(Direction::Backward, Granularity::Character, cx.count);
- cx.view.doc.set_selection(selection);
-}
-
-pub fn move_char_right(cx: &mut Context) {
- let selection =
- cx.view
- .doc
- .state
- .move_selection(Direction::Forward, Granularity::Character, cx.count);
- cx.view.doc.set_selection(selection);
-}
-
-pub fn move_line_up(cx: &mut Context) {
- let selection =
- cx.view
- .doc
- .state
- .move_selection(Direction::Backward, Granularity::Line, cx.count);
- cx.view.doc.set_selection(selection);
-}
-
-pub fn move_line_down(cx: &mut Context) {
- let selection =
- cx.view
- .doc
- .state
- .move_selection(Direction::Forward, Granularity::Line, cx.count);
- cx.view.doc.set_selection(selection);
-}
-
-pub fn move_line_end(cx: &mut Context) {
- let lines = selection_lines(&cx.view.doc.state);
-
- let positions = lines
- .into_iter()
- .map(|index| {
- // adjust all positions to the end of the line.
-
- // Line end is pos at the start of next line - 1
- // subtract another 1 because the line ends with \n
- cx.view.doc.text().line_to_char(index + 1).saturating_sub(2)
- })
- .map(|pos| Range::new(pos, pos));
-
- let selection = Selection::new(positions.collect(), 0);
-
- cx.view.doc.set_selection(selection);
-}
-
-pub fn move_line_start(cx: &mut Context) {
- let lines = selection_lines(&cx.view.doc.state);
-
- let positions = lines
- .into_iter()
- .map(|index| {
- // adjust all positions to the start of the line.
- cx.view.doc.text().line_to_char(index)
- })
- .map(|pos| Range::new(pos, pos));
-
- let selection = Selection::new(positions.collect(), 0);
-
- cx.view.doc.set_selection(selection);
-}
-
-pub fn move_next_word_start(cx: &mut Context) {
- let pos = cx.view.doc.state.move_pos(
- cx.view.doc.selection().cursor(),
- Direction::Forward,
- Granularity::Word,
- cx.count,
- );
-
- cx.view.doc.set_selection(Selection::point(pos));
-}
-
-pub fn move_prev_word_start(cx: &mut Context) {
- let pos = cx.view.doc.state.move_pos(
- cx.view.doc.selection().cursor(),
- Direction::Backward,
- Granularity::Word,
- cx.count,
- );
-
- cx.view.doc.set_selection(Selection::point(pos));
-}
-
-pub fn move_next_word_end(cx: &mut Context) {
- let pos = State::move_next_word_end(
- &cx.view.doc.text().slice(..),
- cx.view.doc.selection().cursor(),
- cx.count,
- );
-
- cx.view.doc.set_selection(Selection::point(pos));
-}
-
-pub fn move_file_start(cx: &mut Context) {
- cx.view.doc.set_selection(Selection::point(0));
-
- cx.view.doc.mode = Mode::Normal;
-}
-
-pub fn move_file_end(cx: &mut Context) {
- let text = &cx.view.doc.text();
- let last_line = text.line_to_char(text.len_lines().saturating_sub(2));
- cx.view.doc.set_selection(Selection::point(last_line));
-
- cx.view.doc.mode = Mode::Normal;
-}
-
-pub fn check_cursor_in_view(view: &View) -> bool {
- let cursor = view.doc.selection().cursor();
- let line = view.doc.text().char_to_line(cursor);
- let document_end = view.first_line + view.size.1.saturating_sub(1) as usize;
-
- if (line > document_end.saturating_sub(PADDING)) | (line < view.first_line + PADDING) {
- return false;
- }
- true
-}
-
-pub fn page_up(cx: &mut Context) {
- if cx.view.first_line < PADDING {
- return;
- }
-
- cx.view.first_line = cx.view.first_line.saturating_sub(cx.view.size.1 as usize);
-
- if !check_cursor_in_view(cx.view) {
- let text = cx.view.doc.text();
- let pos = text.line_to_char(cx.view.last_line().saturating_sub(PADDING));
- cx.view.doc.set_selection(Selection::point(pos));
- }
-}
-
-pub fn page_down(cx: &mut Context) {
- cx.view.first_line += cx.view.size.1 as usize + PADDING;
-
- if cx.view.first_line < cx.view.doc.text().len_lines() {
- let text = cx.view.doc.text();
- let pos = text.line_to_char(cx.view.first_line as usize);
- cx.view.doc.set_selection(Selection::point(pos));
- }
-}
-
-pub fn half_page_up(cx: &mut Context) {
- if cx.view.first_line < PADDING {
- return;
- }
-
- cx.view.first_line = cx
- .view
- .first_line
- .saturating_sub(cx.view.size.1 as usize / 2);
-
- if !check_cursor_in_view(cx.view) {
- let text = &cx.view.doc.text();
- let pos = text.line_to_char(cx.view.last_line() - PADDING);
- cx.view.doc.set_selection(Selection::point(pos));
- }
-}
-
-pub fn half_page_down(cx: &mut Context) {
- let lines = cx.view.doc.text().len_lines();
- if cx.view.first_line < lines.saturating_sub(cx.view.size.1 as usize) {
- cx.view.first_line += cx.view.size.1 as usize / 2;
- }
- if !check_cursor_in_view(cx.view) {
- let text = cx.view.doc.text();
- let pos = text.line_to_char(cx.view.first_line as usize);
- cx.view.doc.set_selection(Selection::point(pos));
- }
-}
-// avoid select by default by having a visual mode switch that makes movements into selects
-
-pub fn extend_char_left(cx: &mut Context) {
- let selection =
- cx.view
- .doc
- .state
- .extend_selection(Direction::Backward, Granularity::Character, cx.count);
- cx.view.doc.set_selection(selection);
-}
-
-pub fn extend_char_right(cx: &mut Context) {
- let selection =
- cx.view
- .doc
- .state
- .extend_selection(Direction::Forward, Granularity::Character, cx.count);
- cx.view.doc.set_selection(selection);
-}
-
-pub fn extend_line_up(cx: &mut Context) {
- let selection =
- cx.view
- .doc
- .state
- .extend_selection(Direction::Backward, Granularity::Line, cx.count);
- cx.view.doc.set_selection(selection);
-}
-
-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);
-}
-
-pub fn split_selection_on_newline(cx: &mut Context) {
- let text = &cx.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(), &REGEX);
- cx.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 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));
-}
-
-pub fn delete_selection(cx: &mut Context) {
- let transaction = Transaction::change_by_selection(&cx.view.doc.state, |range| {
- (range.from(), range.to() + 1, None)
- });
- cx.view.doc.apply(&transaction);
-
- append_changes_to_history(cx);
-}
-
-pub fn change_selection(cx: &mut Context) {
- delete_selection(cx);
- insert_mode(cx);
-}
-
-pub fn collapse_selection(cx: &mut Context) {
- let selection = cx
- .view
- .doc
- .selection()
- .transform(|range| Range::new(range.head, range.head));
-
- cx.view.doc.set_selection(selection);
-}
-
-pub fn flip_selections(cx: &mut Context) {
- let selection = cx
- .view
- .doc
- .selection()
- .transform(|range| Range::new(range.head, range.anchor));
-
- cx.view.doc.set_selection(selection);
-}
-
-fn enter_insert_mode(cx: &mut Context) {
- cx.view.doc.mode = Mode::Insert;
-
- append_changes_to_history(cx);
-}
-// inserts at the start of each selection
-pub fn insert_mode(cx: &mut Context) {
- enter_insert_mode(cx);
-
- let selection = cx
- .view
- .doc
- .selection()
- .transform(|range| Range::new(range.to(), range.from()));
- 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;
-
- // TODO: as transaction
- let text = &cx.view.doc.text().slice(..);
- let selection = cx.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);
-}
-
-// TODO: I, A, o and O can share a lot of the primitives.
-pub fn command_mode(_cx: &mut Context) {
- unimplemented!()
-}
-
-// calculate line numbers for each selection range
-fn selection_lines(state: &State) -> Vec<usize> {
- let mut lines = state
- .selection
- .ranges()
- .iter()
- .map(|range| state.doc.char_to_line(range.head))
- .collect::<Vec<_>>();
-
- lines.sort_unstable(); // sorting by usize so _unstable is preferred
- lines.dedup();
-
- lines
-}
-
-// I inserts at the start of each line with a selection
-pub fn prepend_to_line(cx: &mut Context) {
- enter_insert_mode(cx);
-
- move_line_start(cx);
-}
-
-// A inserts at the end of each line with a selection
-pub fn append_to_line(cx: &mut Context) {
- enter_insert_mode(cx);
-
- move_line_end(cx);
-}
-
-// o inserts a new line after each line with a selection
-pub fn open_below(cx: &mut Context) {
- enter_insert_mode(cx);
-
- let lines = selection_lines(&cx.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)
- })
- .collect();
-
- // TODO: use same logic as insert_newline for indentation
- let changes = positions.iter().copied().map(|index|
- // generate changes
- (index, index, Some(Tendril::from_char('\n'))));
-
- // 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(
- positions
- .iter()
- .copied()
- .map(|pos| Range::new(pos, pos))
- .collect(),
- 0,
- );
-
- let transaction = Transaction::change(&cx.view.doc.state, changes).with_selection(selection);
-
- cx.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() {
- return;
- }
-
- 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());
-
- // increment document version
- // TODO: needs to happen on undo/redo too
- 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 = std::mem::replace(&mut cx.view.doc.old_state, cx.view.doc.state.clone());
- // TODO: take transaction by value?
- cx.view
- .doc
- .history
- .commit_revision(&transaction, &old_state);
-
- // TODO: notify LSP of changes
-}
-
-pub fn normal_mode(cx: &mut Context) {
- cx.view.doc.mode = Mode::Normal;
-
- append_changes_to_history(cx);
-
- // 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| {
- Range::new(
- range.from(),
- graphemes::prev_grapheme_boundary(text, range.to()),
- )
- });
- cx.view.doc.set_selection(selection);
-
- cx.view.doc.restore_cursor = false;
- }
-}
-
-pub fn goto_mode(cx: &mut Context) {
- cx.view.doc.mode = Mode::Goto;
-}
-
-// NOTE: Transactions in this module get appended to history when we switch back to normal mode.
-pub mod insert {
- use super::*;
- // 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);
-
- cx.view.doc.apply(&transaction);
- }
-
- pub fn insert_tab(cx: &mut Context) {
- insert_char(cx, '\t');
- }
-
- pub fn insert_newline(cx: &mut Context) {
- let transaction = Transaction::change_by_selection(&cx.view.doc.state, |range| {
- let indent_level = helix_core::indent::suggested_indent_for_pos(
- cx.view.doc.syntax.as_ref(),
- &cx.view.doc.state,
- range.head,
- );
- let indent = " ".repeat(TAB_WIDTH).repeat(indent_level);
- let mut text = String::with_capacity(1 + indent.len());
- text.push('\n');
- text.push_str(&indent);
- (range.head, range.head, Some(text.into()))
- });
- cx.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| {
- (
- graphemes::nth_prev_grapheme_boundary(text, range.head, cx.count),
- range.head,
- None,
- )
- });
- cx.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| {
- (
- range.head,
- graphemes::nth_next_grapheme_boundary(text, range.head, cx.count),
- None,
- )
- });
- cx.view.doc.apply(&transaction);
- }
-}
-
-pub fn insert_char_prompt(prompt: &mut Prompt, c: char) {
- prompt.insert_char(c);
-}
-
-// Undo / Redo
-
-pub fn undo(cx: &mut Context) {
- if let Some(revert) = cx.view.doc.history.undo() {
- cx.view.doc.version += 1;
- cx.view.doc.apply(&revert);
- }
-
- // TODO: each command could simply return a Option<transaction>, then the higher level handles storing it?
-}
-
-pub fn redo(cx: &mut Context) {
- if let Some(transaction) = cx.view.doc.history.redo() {
- cx.view.doc.version += 1;
- cx.view.doc.apply(&transaction);
- }
-}
-
-// Yank / Paste
-
-pub fn yank(cx: &mut Context) {
- // TODO: should selections be made end inclusive?
- let values = cx
- .view
- .doc
- .state
- .selection()
- .fragments(&cx.view.doc.text().slice(..))
- .map(|cow| cow.into_owned())
- .collect();
-
- // TODO: allow specifying reg
- let reg = '"';
- register::set(reg, values);
-}
-
-pub fn paste(cx: &mut Context) {
- // TODO: allow specifying reg
- let reg = '"';
- if let Some(values) = register::get(reg) {
- let repeat = std::iter::repeat(
- values
- .last()
- .map(|value| Tendril::from_slice(value))
- .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 = 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 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| {
- (range.head + 1, range.head + 1, Some(values.next().unwrap()))
- })
- };
-
- cx.view.doc.apply(&transaction);
- append_changes_to_history(cx);
- }
-}
-
-fn get_lines(view: &View) -> Vec<usize> {
- let mut lines = Vec::new();
-
- // Get all line numbers
- for range in view.doc.selection().ranges() {
- let start = view.doc.text().char_to_line(range.from());
- let end = view.doc.text().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();
- lines
-}
-
-pub fn indent(cx: &mut Context) {
- let lines = get_lines(cx.view);
-
- // Indent by one level
- let indent = Tendril::from(" ".repeat(TAB_WIDTH));
-
- let transaction = Transaction::change(
- &cx.view.doc.state,
- lines.into_iter().map(|line| {
- let pos = cx.view.doc.text().line_to_char(line);
- (pos, pos, Some(indent.clone()))
- }),
- );
- cx.view.doc.apply(&transaction);
- append_changes_to_history(cx);
-}
-
-pub fn unindent(cx: &mut Context) {
- 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 mut width = 0;
-
- for ch in line.chars() {
- match ch {
- ' ' => width += 1,
- '\t' => width = (width / TAB_WIDTH + 1) * TAB_WIDTH,
- _ => break,
- }
-
- if width >= TAB_WIDTH {
- break;
- }
- }
-
- if width > 0 {
- 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());
-
- cx.view.doc.apply(&transaction);
- append_changes_to_history(cx);
-}
-
-pub fn indent_selection(_cx: &mut Context) {
- // loop over each line and recompute proper indentation
- unimplemented!()
-}
-
-//
-
-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();
-}
diff --git a/helix-view/src/keymap.rs b/helix-view/src/keymap.rs
deleted file mode 100644
index c815911e..00000000
--- a/helix-view/src/keymap.rs
+++ /dev/null
@@ -1,217 +0,0 @@
-use crate::commands::{self, Command};
-use crate::document::Mode;
-use helix_core::hashmap;
-use std::collections::HashMap;
-
-// Kakoune-inspired:
-// mode = {
-// normal = {
-// q = record_macro
-// w = (next) word
-// W = next WORD
-// e = end of word
-// E = end of WORD
-// r =
-// t = 'till char
-// y = yank
-// u = undo
-// U = redo
-// i = insert
-// I = INSERT (start of line)
-// o = open below (insert on new line below)
-// O = open above (insert on new line above)
-// p = paste (before cursor)
-// P = PASTE (after cursor)
-// ` =
-// [ = select to text object start (alt = select whole object)
-// ] = select to text object end
-// { = extend to inner object start
-// } = extend to inner object end
-// a = append
-// A = APPEND (end of line)
-// s = split
-// S = select
-// d = delete()
-// f = find_char()
-// g = goto (gg, G, gc, gd, etc)
-//
-// h = move_char_left(n)
-// j = move_line_down(n)
-// k = move_line_up(n)
-// l = move_char_right(n)
-// : = command line
-// ; = collapse selection to cursor
-// " = use register
-// ` = convert case? (to lower) (alt = swap case)
-// ~ = convert to upper case
-// . = repeat last command
-// \ = disable hook?
-// / = search
-// > = indent
-// < = deindent
-// % = select whole buffer (in vim = jump to matching bracket)
-// * = search pattern in selection
-// ( = rotate main selection backward
-// ) = rotate main selection forward
-// - = trim selections? (alt = merge contiguous sel together)
-// @ = convert tabs to spaces
-// & = align cursor
-// ? = extend to next given regex match (alt = to prev)
-//
-// in kakoune these are alt-h alt-l / gh gl
-// select from curs to begin end / move curs to begin end
-// 0 = start of line
-// ^ = start of line (first non blank char)
-// $ = end of line
-//
-// z = save selections
-// Z = restore selections
-// x = select line
-// X = extend line
-// c = change selected text
-// C = copy selection?
-// v = view menu (viewport manipulation)
-// b = select to previous word start
-// B = select to previous WORD start
-//
-//
-//
-//
-//
-//
-// = = align?
-// + =
-// }
-//
-// gd = goto definition
-// gr = goto reference
-// }
-
-#[cfg(feature = "term")]
-pub use crossterm::event::{KeyCode, KeyEvent as Key, KeyModifiers as Modifiers};
-
-// TODO: could be trie based
-pub type Keymap = HashMap<Vec<Key>, Command>;
-pub type Keymaps = HashMap<Mode, Keymap>;
-
-macro_rules! key {
- ($ch:expr) => {
- Key {
- code: KeyCode::Char($ch),
- modifiers: Modifiers::NONE,
- }
- };
-}
-
-macro_rules! shift {
- ($ch:expr) => {
- Key {
- code: KeyCode::Char($ch),
- modifiers: Modifiers::SHIFT,
- }
- };
-}
-
-macro_rules! ctrl {
- ($ch:expr) => {
- Key {
- code: KeyCode::Char($ch),
- modifiers: Modifiers::CONTROL,
- }
- };
-}
-
-// macro_rules! alt {
-// ($ch:expr) => {
-// Key {
-// code: KeyCode::Char($ch),
-// modifiers: Modifiers::ALT,
-// }
-// };
-// }
-
-pub fn default() -> Keymaps {
- hashmap!(
- Mode::Normal =>
- // as long as you cast the first item, rust is able to infer the other cases
- hashmap!(
- vec![key!('h')] => commands::move_char_left as Command,
- vec![key!('j')] => commands::move_line_down,
- vec![key!('k')] => commands::move_line_up,
- vec![key!('0')] => commands::move_line_start,
- vec![key!('$')] => commands::move_line_end,
- vec![key!('l')] => commands::move_char_right,
- vec![shift!('H')] => commands::extend_char_left,
- vec![shift!('J')] => commands::extend_line_down,
- vec![shift!('K')] => commands::extend_line_up,
- vec![shift!('L')] => commands::extend_char_right,
- vec![key!('w')] => commands::move_next_word_start,
- vec![key!('b')] => commands::move_prev_word_start,
- vec![key!('e')] => commands::move_next_word_end,
- vec![key!('g')] => commands::goto_mode,
- vec![key!('i')] => commands::insert_mode,
- vec![shift!('I')] => commands::prepend_to_line,
- vec![key!('a')] => commands::append_mode,
- vec![shift!('A')] => commands::append_to_line,
- vec![key!('o')] => commands::open_below,
- vec![key!('d')] => commands::delete_selection,
- 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!(':')] => commands::command_mode,
- vec![Key {
- code: KeyCode::Esc,
- modifiers: Modifiers::NONE
- }] => commands::normal_mode,
- vec![Key {
- code: KeyCode::PageUp,
- modifiers: Modifiers::NONE
- }] => commands::page_up,
- vec![Key {
- code: KeyCode::PageDown,
- modifiers: Modifiers::NONE
- }] => commands::page_down,
- vec![ctrl!('u')] => commands::half_page_up,
- vec![ctrl!('d')] => commands::half_page_down,
- ),
- Mode::Insert => hashmap!(
- vec![Key {
- code: KeyCode::Esc,
- modifiers: Modifiers::NONE
- }] => commands::normal_mode as Command,
- vec![Key {
- code: KeyCode::Backspace,
- modifiers: Modifiers::NONE
- }] => commands::insert::delete_char_backward,
- vec![Key {
- code: KeyCode::Delete,
- modifiers: Modifiers::NONE
- }] => commands::insert::delete_char_forward,
- vec![Key {
- code: KeyCode::Enter,
- modifiers: Modifiers::NONE
- }] => commands::insert::insert_newline,
- vec![Key {
- code: KeyCode::Tab,
- modifiers: Modifiers::NONE
- }] => commands::insert::insert_tab,
- ),
- Mode::Goto => hashmap!(
- vec![Key {
- code: KeyCode::Esc,
- modifiers: Modifiers::NONE
- }] => commands::normal_mode as Command,
- vec![key!('g')] => commands::move_file_start as Command,
- vec![key!('e')] => commands::move_file_end as Command,
- ),
- )
-}
diff --git a/helix-view/src/lib.rs b/helix-view/src/lib.rs
index 3b923744..f28c8116 100644
--- a/helix-view/src/lib.rs
+++ b/helix-view/src/lib.rs
@@ -1,8 +1,5 @@
-pub mod commands;
pub mod document;
pub mod editor;
-pub mod keymap;
-pub mod prompt;
pub mod theme;
pub mod view;
diff --git a/helix-view/src/prompt.rs b/helix-view/src/prompt.rs
deleted file mode 100644
index e2a9c80d..00000000
--- a/helix-view/src/prompt.rs
+++ /dev/null
@@ -1,126 +0,0 @@
-use crate::Editor;
-use crossterm::event::{KeyCode, KeyEvent, KeyModifiers};
-use std::string::String;
-
-pub struct Prompt {
- pub prompt: String,
- pub line: String,
- pub cursor: usize,
- pub completion: Vec<String>,
- pub should_close: bool,
- pub completion_selection_index: Option<usize>,
- completion_fn: Box<dyn FnMut(&str) -> Vec<String>>,
- callback_fn: Box<dyn FnMut(&mut Editor, &str)>,
-}
-
-impl Prompt {
- pub fn new(
- prompt: String,
- mut completion_fn: impl FnMut(&str) -> Vec<String> + 'static,
- callback_fn: impl FnMut(&mut Editor, &str) + 'static,
- ) -> Prompt {
- Prompt {
- prompt,
- line: String::new(),
- cursor: 0,
- completion: completion_fn(""),
- should_close: false,
- completion_selection_index: None,
- completion_fn: Box::new(completion_fn),
- callback_fn: Box::new(callback_fn),
- }
- }
-
- pub fn insert_char(&mut self, c: char) {
- self.line.insert(self.cursor, c);
- self.cursor += 1;
- self.completion = (self.completion_fn)(&self.line);
- self.exit_selection();
- }
-
- pub fn move_char_left(&mut self) {
- if self.cursor > 0 {
- self.cursor -= 1;
- }
- }
-
- pub fn move_char_right(&mut self) {
- if self.cursor < self.line.len() {
- self.cursor += 1;
- }
- }
-
- pub fn move_start(&mut self) {
- self.cursor = 0;
- }
-
- pub fn move_end(&mut self) {
- self.cursor = self.line.len();
- }
-
- pub fn delete_char_backwards(&mut self) {
- if self.cursor > 0 {
- self.line.remove(self.cursor - 1);
- self.cursor -= 1;
- self.completion = (self.completion_fn)(&self.line);
- }
- self.exit_selection();
- }
-
- pub fn change_completion_selection(&mut self) {
- if self.completion.is_empty() {
- return;
- }
- let index =
- self.completion_selection_index.map(|i| i + 1).unwrap_or(0) % self.completion.len();
- self.completion_selection_index = Some(index);
- self.line = self.completion[index].clone();
- }
- pub fn exit_selection(&mut self) {
- self.completion_selection_index = None;
- }
-
- pub fn handle_input(&mut self, key_event: KeyEvent, editor: &mut Editor) {
- match key_event {
- KeyEvent {
- code: KeyCode::Char(c),
- modifiers: KeyModifiers::NONE,
- } => self.insert_char(c),
- KeyEvent {
- code: KeyCode::Esc, ..
- } => self.should_close = true,
- KeyEvent {
- code: KeyCode::Right,
- ..
- } => self.move_char_right(),
- KeyEvent {
- code: KeyCode::Left,
- ..
- } => self.move_char_left(),
- KeyEvent {
- code: KeyCode::Char('e'),
- modifiers: KeyModifiers::CONTROL,
- } => self.move_end(),
- KeyEvent {
- code: KeyCode::Char('a'),
- modifiers: KeyModifiers::CONTROL,
- } => self.move_start(),
- KeyEvent {
- code: KeyCode::Backspace,
- modifiers: KeyModifiers::NONE,
- } => self.delete_char_backwards(),
- KeyEvent {
- code: KeyCode::Enter,
- ..
- } => (self.callback_fn)(editor, &self.line),
- KeyEvent {
- code: KeyCode::Tab, ..
- } => self.change_completion_selection(),
- KeyEvent {
- code: KeyCode::Char('q'),
- modifiers: KeyModifiers::CONTROL,
- } => self.exit_selection(),
- _ => (),
- }
- }
-}