Start swapping from termwiz to crossterm + async.
This commit is contained in:
Blaž Hrastnik
parent
1984410ac9
commit
6905ff03c2
6 changed files with 465 additions and 499 deletions
724
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|
|
@ -571,9 +636,9 @@ version = "1.0.22"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1425de3c33b0941002740a420b1a906a350b88d08b82b2c8a01035a3f9447bac"
|
||||
dependencies = [
|
||||
"proc-macro2 1.0.13",
|
||||
"quote 1.0.6",
|
||||
"unicode-xid 0.2.0",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"unicode-xid",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -586,85 +651,12 @@ dependencies = [
|
|||
"utf-8",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "terminfo"
|
||||
version = "0.7.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "76971977e6121664ec1b960d1313aacfa75642adc93b9d4d53b247bd4cb1747e"
|
||||
dependencies = [
|
||||
"dirs",
|
||||
"fnv",
|
||||
"nom",
|
||||
"phf",
|
||||
"phf_codegen",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "termios"
|
||||
version = "0.3.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6f0fcee7b24a25675de40d5bb4de6e41b0df07bc9856295e7e2b3a3600c400c2"
|
||||
dependencies = [
|
||||
"libc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "termwiz"
|
||||
version = "0.9.0"
|
||||
dependencies = [
|
||||
"anyhow",
|
||||
"base64 0.10.1",
|
||||
"bitflags",
|
||||
"cassowary",
|
||||
"filedescriptor",
|
||||
"fnv",
|
||||
"lazy_static",
|
||||
"libc",
|
||||
"log",
|
||||
"memmem",
|
||||
"num-derive",
|
||||
"num-traits",
|
||||
"ordered-float",
|
||||
"regex",
|
||||
"semver",
|
||||
"signal-hook",
|
||||
"smallvec 0.6.13",
|
||||
"terminfo",
|
||||
"termios",
|
||||
"unicode-segmentation",
|
||||
"unicode-width",
|
||||
"vtparse",
|
||||
"winapi",
|
||||
"xi-unicode",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thread_local"
|
||||
version = "1.0.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
|
||||
dependencies = [
|
||||
"lazy_static",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "unicode-segmentation"
|
||||
version = "1.6.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-width"
|
||||
version = "0.1.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "caaa9d531767d1ff2150b9332433f32a24622147e5ebb1f26409d5da67afd479"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-xid"
|
||||
version = "0.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-xid"
|
||||
version = "0.2.0"
|
||||
|
|
@ -678,29 +670,29 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
|||
checksum = "05e42f7c18b8f902290b009cde6d651262f956c98bc51bca4cd1d511c9cd85c7"
|
||||
|
||||
[[package]]
|
||||
name = "utf8parse"
|
||||
version = "0.1.1"
|
||||
name = "void"
|
||||
version = "1.0.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8772a4ccbb4e89959023bc5b7cb8623a795caa7092d99f3aa9501b9484d4557d"
|
||||
checksum = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
|
||||
|
||||
[[package]]
|
||||
name = "version_check"
|
||||
version = "0.9.1"
|
||||
name = "wepoll-binding"
|
||||
version = "2.0.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "078775d0255232fb988e6fccf26ddc9d1ac274299aaedcedce21c6f72cc533ce"
|
||||
|
||||
[[package]]
|
||||
name = "vtparse"
|
||||
version = "0.2.2"
|
||||
checksum = "374fff4ff9701ff8b6ad0d14bacd3156c44063632d8c136186ff5967d48999a7"
|
||||
dependencies = [
|
||||
"utf8parse",
|
||||
"bitflags",
|
||||
"wepoll-sys",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasi"
|
||||
version = "0.9.0+wasi-snapshot-preview1"
|
||||
name = "wepoll-sys"
|
||||
version = "2.0.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
|
||||
checksum = "9082a777aed991f6769e2b654aa0cb29f1c3d615daf009829b07b66c7aff6a24"
|
||||
dependencies = [
|
||||
"cc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
|
|
@ -723,9 +715,3 @@ name = "winapi-x86_64-pc-windows-gnu"
|
|||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||
|
||||
[[package]]
|
||||
name = "xi-unicode"
|
||||
version = "0.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7395cdb9d0a6219fa0ea77d08c946adf9c1984c72fcd443ace30365f3daadef7"
|
||||
|
|
|
|||
|
|
@ -18,7 +18,11 @@ impl State {
|
|||
|
||||
// TODO: buf/selection accessors
|
||||
|
||||
// update/transact
|
||||
// update/transact:
|
||||
// update(desc) => transaction ? transaction.doc() for applied doc
|
||||
// transaction.apply(doc)
|
||||
// doc.transact(fn -> ... end)
|
||||
|
||||
// replaceSelection (transaction that replaces selection)
|
||||
// changeByRange
|
||||
// changes
|
||||
|
|
|
|||
|
|
@ -1,19 +1,3 @@
|
|||
// pub struct Change {
|
||||
// from: usize,
|
||||
// to: usize,
|
||||
// insert: Option<String>,
|
||||
// }
|
||||
|
||||
// 40 bytes (8 + 24 + 8) -> strings are really big 24 as String, 16 as &str
|
||||
// pub struct Change {
|
||||
// /// old extent
|
||||
// old_extent: usize,
|
||||
// /// inserted text, new extent equal to insert length
|
||||
// insert: Option<String>,
|
||||
// /// distance from the previous change
|
||||
// distance: usize,
|
||||
// }
|
||||
|
||||
use crate::{Buffer, Rope, Selection, Tendril};
|
||||
|
||||
// TODO: divided into three different operations, I sort of like having just
|
||||
|
|
@ -33,11 +17,11 @@ pub enum Change {
|
|||
Insert(Tendril),
|
||||
}
|
||||
|
||||
impl Change {
|
||||
pub fn new(from: usize, to: usize, insert: Option<Tendril>) {
|
||||
// old_extent, new_extent, insert
|
||||
}
|
||||
}
|
||||
// impl Change {
|
||||
// pub fn new(from: usize, to: usize, insert: Option<Tendril>) {
|
||||
// // old_extent, new_extent, insert
|
||||
// }
|
||||
// }
|
||||
|
||||
#[derive(Copy, Clone, PartialEq, Eq)]
|
||||
pub enum Assoc {
|
||||
|
|
@ -46,13 +30,8 @@ pub enum Assoc {
|
|||
}
|
||||
|
||||
// ChangeSpec = Change | ChangeSet | Vec<Change>
|
||||
// ChangeDesc as a ChangeSet without text: can't be applied, cheaper to store.
|
||||
// ChangeSet = ChangeDesc with Text
|
||||
#[derive(Debug)]
|
||||
pub struct ChangeSet {
|
||||
// basically Vec<ChangeDesc> where ChangeDesc = (current len, replacement len?)
|
||||
// (0, n>0) for insertion, (n>0, 0) for deletion, (>0, >0) for replacement
|
||||
// sections: Vec<(usize, isize)>,
|
||||
changes: Vec<Change>,
|
||||
/// The required document length. Will refuse to apply changes unless it matches.
|
||||
len: usize,
|
||||
|
|
@ -341,6 +320,8 @@ pub struct Transaction {
|
|||
// scroll_into_view
|
||||
}
|
||||
|
||||
impl Transaction {}
|
||||
|
||||
#[cfg(test)]
|
||||
mod test {
|
||||
use super::*;
|
||||
|
|
|
|||
|
|
@ -10,13 +10,22 @@ edition = "2018"
|
|||
name = "hx"
|
||||
path = "src/main.rs"
|
||||
|
||||
# [[bin]]
|
||||
# name = "line"
|
||||
# path = "src/line.rs"
|
||||
[[bin]]
|
||||
name = "line"
|
||||
path = "src/line.rs"
|
||||
|
||||
[dependencies]
|
||||
# termwiz = { git = "https://github.com/wez/wezterm", features = ["widgets"] }
|
||||
termwiz = { path = "../../wezterm/termwiz", default-features = false, features = ["widgets"] }
|
||||
# termwiz = { path = "../../wezterm/termwiz", default-features = false, features = ["widgets"] }
|
||||
|
||||
anyhow = "1.0.31"
|
||||
argh = "0.1.3"
|
||||
helix-core = { path = "../helix-core" }
|
||||
# crossterm = { version = "0.17.5", features = ["event-stream"] }
|
||||
crossterm = { git = "https://github.com/crossterm-rs/crossterm", branch = "mio-update", features = ["event-stream"] }
|
||||
|
||||
futures = { version = "0.3.5", default-features = false, features = ["std"] }
|
||||
# futures-timer = "3.0.2"
|
||||
smol = "0.1.10"
|
||||
num_cpus = "1.13.0"
|
||||
piper = "0.1.2"
|
||||
|
|
|
|||
|
|
@ -1,111 +1,97 @@
|
|||
use termwiz::cell::AttributeChange;
|
||||
use termwiz::color::{AnsiColor, ColorAttribute, RgbColor};
|
||||
use termwiz::lineedit::*;
|
||||
//! Demonstrates how to read events asynchronously with async-std.
|
||||
//!
|
||||
//! cargo run --features="event-stream" --example event-stream-async-std
|
||||
|
||||
#[derive(Default)]
|
||||
struct Host {
|
||||
history: BasicHistory,
|
||||
}
|
||||
use std::{
|
||||
io::{stdout, Write},
|
||||
time::Duration,
|
||||
};
|
||||
|
||||
impl LineEditorHost for Host {
|
||||
// Render the prompt with a darkslateblue background color if
|
||||
// the terminal supports true color, otherwise render it with
|
||||
// a navy blue ansi color.
|
||||
fn render_prompt(&self, prompt: &str) -> Vec<OutputElement> {
|
||||
vec![
|
||||
OutputElement::Attribute(AttributeChange::Background(
|
||||
ColorAttribute::TrueColorWithPaletteFallback(
|
||||
RgbColor::from_named("darkslateblue").unwrap(),
|
||||
AnsiColor::Navy.into(),
|
||||
),
|
||||
)),
|
||||
OutputElement::Text(prompt.to_owned()),
|
||||
]
|
||||
}
|
||||
use futures::{future::FutureExt, select, StreamExt};
|
||||
use smol::Timer;
|
||||
// use futures_timer::Delay;
|
||||
|
||||
fn history(&mut self) -> &mut dyn History {
|
||||
&mut self.history
|
||||
}
|
||||
use crossterm::{
|
||||
cursor::position,
|
||||
event::{DisableMouseCapture, EnableMouseCapture, Event, EventStream, KeyCode},
|
||||
execute,
|
||||
terminal::{disable_raw_mode, enable_raw_mode},
|
||||
Result,
|
||||
};
|
||||
|
||||
/// Demo of the completion API for words starting with "h" or "he"
|
||||
fn complete(&self, line: &str, cursor_position: usize) -> Vec<CompletionCandidate> {
|
||||
let mut candidates = vec![];
|
||||
if let Some((range, word)) = word_at_cursor(line, cursor_position) {
|
||||
let words = &["hello", "help", "he-man"];
|
||||
const HELP: &str = r#"EventStream based on futures::Stream with async-std
|
||||
- Keyboard, mouse and terminal resize events enabled
|
||||
- Prints "." every second if there's no event
|
||||
- Hit "c" to print current cursor position
|
||||
- Use Esc to quit
|
||||
"#;
|
||||
|
||||
for w in words {
|
||||
if w.starts_with(word) {
|
||||
candidates.push(CompletionCandidate {
|
||||
range: range.clone(),
|
||||
text: w.to_string(),
|
||||
});
|
||||
async fn print_events() {
|
||||
let mut reader = EventStream::new();
|
||||
|
||||
loop {
|
||||
let mut delay = Timer::after(Duration::from_millis(1_000)).fuse();
|
||||
let mut event = reader.next().fuse();
|
||||
|
||||
select! {
|
||||
_ = delay => { println!(".\r"); },
|
||||
maybe_event = event => {
|
||||
match maybe_event {
|
||||
Some(Ok(event)) => {
|
||||
println!("Event::{:?}\r", event);
|
||||
|
||||
if event == Event::Key(KeyCode::Char('c').into()) {
|
||||
println!("Cursor position: {:?}\r", position());
|
||||
}
|
||||
|
||||
if event == Event::Key(KeyCode::Esc.into()) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
Some(Err(e)) => println!("Error: {:?}\r", e),
|
||||
None => break,
|
||||
}
|
||||
}
|
||||
}
|
||||
candidates
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
/// This is a conceptually simple function that computes the bounds
|
||||
/// of the whitespace delimited word at the specified cursor position
|
||||
/// in the supplied line string.
|
||||
/// It returns the range and the corresponding slice out of the line.
|
||||
/// This function is sufficient for example purposes; in a real application
|
||||
/// the equivalent function would need to be aware of quoting and other
|
||||
/// application specific context.
|
||||
fn word_at_cursor(line: &str, cursor_position: usize) -> Option<(std::ops::Range<usize>, &str)> {
|
||||
let char_indices: Vec<(usize, char)> = line.char_indices().collect();
|
||||
if char_indices.is_empty() {
|
||||
return None;
|
||||
}
|
||||
let char_position = char_indices
|
||||
.iter()
|
||||
.position(|(idx, _)| *idx == cursor_position)
|
||||
.unwrap_or(char_indices.len());
|
||||
fn main() -> Result<()> {
|
||||
println!("{}", HELP);
|
||||
|
||||
// Look back until we find whitespace
|
||||
let mut start_position = char_position;
|
||||
while start_position > 0
|
||||
&& start_position <= char_indices.len()
|
||||
&& !char_indices[start_position - 1].1.is_whitespace()
|
||||
{
|
||||
start_position -= 1;
|
||||
enable_raw_mode()?;
|
||||
|
||||
let mut stdout = stdout();
|
||||
execute!(stdout, EnableMouseCapture)?;
|
||||
|
||||
use std::thread;
|
||||
|
||||
// Same number of threads as there are CPU cores.
|
||||
let num_threads = num_cpus::get().max(1);
|
||||
|
||||
// A channel that sends the shutdown signal.
|
||||
let (s, r) = piper::chan::<()>(0);
|
||||
let mut threads = Vec::new();
|
||||
|
||||
// Create an executor thread pool.
|
||||
for _ in 0..num_threads {
|
||||
// Spawn an executor thread that waits for the shutdown signal.
|
||||
let r = r.clone();
|
||||
threads.push(thread::spawn(move || smol::run(r.recv())));
|
||||
}
|
||||
|
||||
// Look forwards until we find whitespace
|
||||
let mut end_position = char_position;
|
||||
while end_position < char_indices.len() && !char_indices[end_position].1.is_whitespace() {
|
||||
end_position += 1;
|
||||
// No need to `run()`, now we can just block on the main future.
|
||||
smol::block_on(print_events());
|
||||
|
||||
// Send a shutdown signal.
|
||||
drop(s);
|
||||
|
||||
// Wait for threads to finish.
|
||||
for t in threads {
|
||||
t.join().unwrap();
|
||||
}
|
||||
|
||||
if end_position > start_position {
|
||||
let range = char_indices[start_position].0
|
||||
..char_indices
|
||||
.get(end_position)
|
||||
.map(|c| c.0 + 1)
|
||||
.unwrap_or(line.len());
|
||||
Some((range.clone(), &line[range]))
|
||||
} else {
|
||||
None
|
||||
}
|
||||
}
|
||||
|
||||
fn main() -> anyhow::Result<()> {
|
||||
println!("Type `exit` to quit this example, or start a word with `h` and press Tab.");
|
||||
let mut terminal = line_editor_terminal()?;
|
||||
let mut editor = LineEditor::new(&mut terminal);
|
||||
|
||||
let mut host = Host::default();
|
||||
loop {
|
||||
if let Some(line) = editor.read_line(&mut host)? {
|
||||
println!("read line: {:?}", line);
|
||||
if line == "exit" {
|
||||
break;
|
||||
}
|
||||
|
||||
host.history().add(&line);
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
execute!(stdout, DisableMouseCapture)?;
|
||||
|
||||
disable_raw_mode()
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
mod editor;
|
||||
// mod editor;
|
||||
|
||||
use editor::Editor;
|
||||
// use editor::Editor;
|
||||
|
||||
use argh::FromArgs;
|
||||
use std::{env, path::PathBuf};
|
||||
|
|
@ -16,9 +16,9 @@ pub struct Args {
|
|||
|
||||
fn main() -> Result<(), Error> {
|
||||
let args: Args = argh::from_env();
|
||||
let mut editor = Editor::new(args)?;
|
||||
// let mut editor = Editor::new(args)?;
|
||||
|
||||
editor.run()?;
|
||||
// editor.run()?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue