363 lines
12 KiB
Rust
363 lines
12 KiB
Rust
use std::sync::Arc;
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use collections::HashMap;
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use editor::Editor;
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use gpui::{Action, App, Context, Keystroke, KeystrokeEvent, Window};
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use schemars::JsonSchema;
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use serde::Deserialize;
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use settings::Settings;
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use std::sync::LazyLock;
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use crate::{Vim, VimSettings, state::Operator};
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mod default;
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#[derive(Debug, Clone, Deserialize, JsonSchema, PartialEq, Action)]
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#[action(namespace = vim)]
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struct Literal(String, char);
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pub(crate) fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
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Vim::action(editor, cx, Vim::literal)
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}
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static DEFAULT_DIGRAPHS_MAP: LazyLock<HashMap<String, Arc<str>>> = LazyLock::new(|| {
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let mut map = HashMap::default();
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for &(a, b, c) in default::DEFAULT_DIGRAPHS {
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let key = format!("{a}{b}");
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let value = char::from_u32(c).unwrap().to_string().into();
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map.insert(key, value);
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}
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map
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});
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fn lookup_digraph(a: char, b: char, cx: &App) -> Arc<str> {
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let custom_digraphs = &VimSettings::get_global(cx).custom_digraphs;
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let input = format!("{a}{b}");
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let reversed = format!("{b}{a}");
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custom_digraphs
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.get(&input)
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.or_else(|| DEFAULT_DIGRAPHS_MAP.get(&input))
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.or_else(|| custom_digraphs.get(&reversed))
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.or_else(|| DEFAULT_DIGRAPHS_MAP.get(&reversed))
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.cloned()
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.unwrap_or_else(|| b.to_string().into())
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}
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impl Vim {
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pub fn insert_digraph(
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&mut self,
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first_char: char,
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second_char: char,
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window: &mut Window,
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cx: &mut Context<Self>,
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) {
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let text = lookup_digraph(first_char, second_char, cx);
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self.pop_operator(window, cx);
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if self.editor_input_enabled() {
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self.update_editor(cx, |_, editor, cx| editor.insert(&text, window, cx));
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} else {
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self.input_ignored(text, window, cx);
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}
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}
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fn literal(&mut self, action: &Literal, window: &mut Window, cx: &mut Context<Self>) {
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if let Some(Operator::Literal { prefix }) = self.active_operator() {
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if let Some(prefix) = prefix {
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if let Some(keystroke) = Keystroke::parse(&action.0).ok() {
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window.defer(cx, |window, cx| {
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window.dispatch_keystroke(keystroke, cx);
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});
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}
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return self.handle_literal_input(prefix, "", window, cx);
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}
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}
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self.insert_literal(Some(action.1), "", window, cx);
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}
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pub fn handle_literal_keystroke(
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&mut self,
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keystroke_event: &KeystrokeEvent,
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prefix: String,
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window: &mut Window,
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cx: &mut Context<Self>,
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) {
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// handled by handle_literal_input
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if keystroke_event.keystroke.key_char.is_some() {
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return;
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};
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if prefix.len() > 0 {
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self.handle_literal_input(prefix, "", window, cx);
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} else {
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self.pop_operator(window, cx);
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}
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// give another chance to handle the binding outside
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// of waiting mode.
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if keystroke_event.action.is_none() {
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let keystroke = keystroke_event.keystroke.clone();
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window.defer(cx, |window, cx| {
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window.dispatch_keystroke(keystroke, cx);
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});
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}
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return;
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}
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pub fn handle_literal_input(
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&mut self,
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mut prefix: String,
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text: &str,
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window: &mut Window,
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cx: &mut Context<Self>,
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) {
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let first = prefix.chars().next();
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let next = text.chars().next().unwrap_or(' ');
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match first {
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Some('o' | 'O') => {
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if next.is_digit(8) {
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prefix.push(next);
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if prefix.len() == 4 {
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let ch: char = u8::from_str_radix(&prefix[1..], 8).unwrap_or(255).into();
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return self.insert_literal(Some(ch), "", window, cx);
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}
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} else {
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let ch = if prefix.len() > 1 {
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Some(u8::from_str_radix(&prefix[1..], 8).unwrap_or(255).into())
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} else {
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None
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};
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return self.insert_literal(ch, text, window, cx);
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}
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}
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Some('x' | 'X' | 'u' | 'U') => {
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let max_len = match first.unwrap() {
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'x' => 3,
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'X' => 3,
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'u' => 5,
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'U' => 9,
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_ => unreachable!(),
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};
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if next.is_ascii_hexdigit() {
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prefix.push(next);
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if prefix.len() == max_len {
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let ch: char = u32::from_str_radix(&prefix[1..], 16)
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.ok()
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.and_then(|n| n.try_into().ok())
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.unwrap_or('\u{FFFD}');
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return self.insert_literal(Some(ch), "", window, cx);
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}
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} else {
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let ch = if prefix.len() > 1 {
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Some(
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u32::from_str_radix(&prefix[1..], 16)
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.ok()
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.and_then(|n| n.try_into().ok())
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.unwrap_or('\u{FFFD}'),
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)
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} else {
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None
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};
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return self.insert_literal(ch, text, window, cx);
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}
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}
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Some('0'..='9') => {
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if next.is_ascii_hexdigit() {
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prefix.push(next);
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if prefix.len() == 3 {
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let ch: char = u8::from_str_radix(&prefix, 10).unwrap_or(255).into();
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return self.insert_literal(Some(ch), "", window, cx);
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}
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} else {
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let ch: char = u8::from_str_radix(&prefix, 10).unwrap_or(255).into();
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return self.insert_literal(Some(ch), "", window, cx);
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}
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}
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None if matches!(next, 'o' | 'O' | 'x' | 'X' | 'u' | 'U' | '0'..='9') => {
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prefix.push(next)
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}
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_ => {
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return self.insert_literal(None, text, window, cx);
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}
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};
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self.pop_operator(window, cx);
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self.push_operator(
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Operator::Literal {
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prefix: Some(prefix),
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},
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window,
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cx,
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);
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}
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fn insert_literal(
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&mut self,
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ch: Option<char>,
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suffix: &str,
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window: &mut Window,
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cx: &mut Context<Self>,
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) {
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self.pop_operator(window, cx);
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let mut text = String::new();
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if let Some(c) = ch {
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if c == '\n' {
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text.push('\x00')
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} else {
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text.push(c)
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}
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}
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text.push_str(suffix);
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if self.editor_input_enabled() {
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self.update_editor(cx, |_, editor, cx| editor.insert(&text, window, cx));
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} else {
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self.input_ignored(text.into(), window, cx);
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}
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}
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}
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#[cfg(test)]
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mod test {
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use collections::HashMap;
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use settings::SettingsStore;
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use crate::{
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VimSettings,
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state::Mode,
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test::{NeovimBackedTestContext, VimTestContext},
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};
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#[gpui::test]
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async fn test_digraph_insert_mode(cx: &mut gpui::TestAppContext) {
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let mut cx: NeovimBackedTestContext = NeovimBackedTestContext::new(cx).await;
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cx.set_shared_state("Hellˇo").await;
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cx.simulate_shared_keystrokes("a ctrl-k o : escape").await;
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cx.shared_state().await.assert_eq("Helloˇö");
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cx.set_shared_state("Hellˇo").await;
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cx.simulate_shared_keystrokes("a ctrl-k : o escape").await;
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cx.shared_state().await.assert_eq("Helloˇö");
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cx.set_shared_state("Hellˇo").await;
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cx.simulate_shared_keystrokes("i ctrl-k o : escape").await;
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cx.shared_state().await.assert_eq("Hellˇöo");
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}
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#[gpui::test]
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async fn test_digraph_insert_multicursor(cx: &mut gpui::TestAppContext) {
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let mut cx: VimTestContext = VimTestContext::new(cx, true).await;
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cx.set_state("Hellˇo wˇorld", Mode::Normal);
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cx.simulate_keystrokes("a ctrl-k o : escape");
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cx.assert_state("Helloˇö woˇörld", Mode::Normal);
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}
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#[gpui::test]
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async fn test_digraph_replace(cx: &mut gpui::TestAppContext) {
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let mut cx: NeovimBackedTestContext = NeovimBackedTestContext::new(cx).await;
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cx.set_shared_state("Hellˇo").await;
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cx.simulate_shared_keystrokes("r ctrl-k o :").await;
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cx.shared_state().await.assert_eq("Hellˇö");
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}
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#[gpui::test]
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async fn test_digraph_find(cx: &mut gpui::TestAppContext) {
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let mut cx: NeovimBackedTestContext = NeovimBackedTestContext::new(cx).await;
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cx.set_shared_state("ˇHellö world").await;
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cx.simulate_shared_keystrokes("f ctrl-k o :").await;
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cx.shared_state().await.assert_eq("Hellˇö world");
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cx.set_shared_state("ˇHellö world").await;
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cx.simulate_shared_keystrokes("t ctrl-k o :").await;
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cx.shared_state().await.assert_eq("Helˇlö world");
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}
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#[gpui::test]
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async fn test_digraph_replace_mode(cx: &mut gpui::TestAppContext) {
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let mut cx: NeovimBackedTestContext = NeovimBackedTestContext::new(cx).await;
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cx.set_shared_state("ˇHello").await;
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cx.simulate_shared_keystrokes(
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"shift-r ctrl-k a ' ctrl-k e ` ctrl-k i : ctrl-k o ~ ctrl-k u - escape",
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)
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.await;
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cx.shared_state().await.assert_eq("áèïõˇū");
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}
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#[gpui::test]
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async fn test_digraph_custom(cx: &mut gpui::TestAppContext) {
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let mut cx: VimTestContext = VimTestContext::new(cx, true).await;
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cx.update_global(|store: &mut SettingsStore, cx| {
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store.update_user_settings::<VimSettings>(cx, |s| {
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let mut custom_digraphs = HashMap::default();
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custom_digraphs.insert("|-".into(), "⊢".into());
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custom_digraphs.insert(":)".into(), "👨💻".into());
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s.custom_digraphs = Some(custom_digraphs);
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});
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});
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cx.set_state("ˇ", Mode::Normal);
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cx.simulate_keystrokes("a ctrl-k | - escape");
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cx.assert_state("ˇ⊢", Mode::Normal);
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// Test support for multi-codepoint mappings
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cx.set_state("ˇ", Mode::Normal);
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cx.simulate_keystrokes("a ctrl-k : ) escape");
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cx.assert_state("ˇ👨💻", Mode::Normal);
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}
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#[gpui::test]
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async fn test_digraph_keymap_conflict(cx: &mut gpui::TestAppContext) {
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let mut cx: NeovimBackedTestContext = NeovimBackedTestContext::new(cx).await;
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cx.set_shared_state("Hellˇo").await;
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cx.simulate_shared_keystrokes("a ctrl-k s , escape").await;
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cx.shared_state().await.assert_eq("Helloˇş");
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}
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#[gpui::test]
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async fn test_ctrl_v(cx: &mut gpui::TestAppContext) {
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let mut cx: NeovimBackedTestContext = NeovimBackedTestContext::new(cx).await;
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cx.set_shared_state("ˇ").await;
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cx.simulate_shared_keystrokes("i ctrl-v 0 0 0").await;
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cx.shared_state().await.assert_eq("\x00ˇ");
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cx.simulate_shared_keystrokes("ctrl-v j").await;
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cx.shared_state().await.assert_eq("\x00jˇ");
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cx.simulate_shared_keystrokes("ctrl-v x 6 5").await;
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cx.shared_state().await.assert_eq("\x00jeˇ");
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cx.simulate_shared_keystrokes("ctrl-v U 1 F 6 4 0 space")
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.await;
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cx.shared_state().await.assert_eq("\x00je🙀 ˇ");
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}
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#[gpui::test]
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async fn test_ctrl_v_escape(cx: &mut gpui::TestAppContext) {
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let mut cx: NeovimBackedTestContext = NeovimBackedTestContext::new(cx).await;
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cx.set_shared_state("ˇ").await;
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cx.simulate_shared_keystrokes("i ctrl-v 9 escape").await;
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cx.shared_state().await.assert_eq("ˇ\t");
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cx.simulate_shared_keystrokes("i ctrl-v escape").await;
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cx.shared_state().await.assert_eq("\x1bˇ\t");
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}
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#[gpui::test]
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async fn test_ctrl_v_control(cx: &mut gpui::TestAppContext) {
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let mut cx: NeovimBackedTestContext = NeovimBackedTestContext::new(cx).await;
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cx.set_shared_state("ˇ").await;
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cx.simulate_shared_keystrokes("i ctrl-v ctrl-d").await;
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cx.shared_state().await.assert_eq("\x04ˇ");
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cx.simulate_shared_keystrokes("ctrl-v ctrl-j").await;
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cx.shared_state().await.assert_eq("\x04\x00ˇ");
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cx.simulate_shared_keystrokes("ctrl-v tab").await;
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cx.shared_state().await.assert_eq("\x04\x00\x09ˇ");
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}
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}
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