ilyakooo0/helix
1
0
Fork 0
mirror of https://github.com/ilyakooo0/helix.git synced 2024-12-01 03:15:33 +03:00
Code Issues Packages Projects Releases Wiki Activity

Add ctrl-z to suspend

Browse Source
This commit is contained in:
Ivan Tham 2021-07-17 22:47:08 +08:00 committed by Blaž Hrastnik
parent adb5d842ba
commit 821565e4ef
10 changed files with 131 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
Cargo.lock generated
View File

@ -378,6 +378,8 @@ dependencies = [
"pulldown-cmark",
"serde",
"serde_json",
"signal-hook",
"signal-hook-tokio",
"tokio",
"toml",
]
@ -865,6 +867,18 @@ dependencies = [
"libc",
]
[[package]]
name = "signal-hook-tokio"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f6c5d32165ff8b94e68e7b3bdecb1b082e958c22434b363482cfb89dcd6f3ff8"
dependencies = [
"futures-core",
"libc",
"signal-hook",
"tokio",
]
[[package]]
name = "similar"
version = "1.3.0"

2
helix-lsp/Cargo.toml
View File

@ -23,5 +23,5 @@ lsp-types = { version = "0.89", features = ["proposed"] }
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
thiserror = "1.0"
tokio = { version = "1.9", features = ["full"] }
tokio = { version = "1.9", features = ["rt", "rt-multi-thread", "io-util", "io-std", "time", "process", "macros", "fs", "parking_lot"] }
tokio-stream = "0.1.7"

6
helix-term/Cargo.toml
View File

@ -28,10 +28,11 @@ helix-lsp = { version = "0.3", path = "../helix-lsp" }
anyhow = "1"
once_cell = "1.8"
tokio = { version = "1", features = ["full"] }
tokio = { version = "1", features = ["rt", "rt-multi-thread", "io-util", "io-std", "time", "process", "macros", "fs", "parking_lot"] }
num_cpus = "1"
tui = { path = "../helix-tui", package = "helix-tui", default-features = false, features = ["crossterm"] }
crossterm = { version = "0.20", features = ["event-stream"] }
signal-hook = "0.3"
futures-util = { version = "0.3", features = ["std", "async-await"], default-features = false }
@ -53,3 +54,6 @@ toml = "0.5"
serde_json = "1.0"
serde = { version = "1.0", features = ["derive"] }
[target.'cfg(not(windows))'.dependencies] # https://github.com/vorner/signal-hook/issues/100
signal-hook-tokio = { version = "0.3", features = ["futures-v0_3"] }

84
helix-term/src/application.rs
View File

@ -18,6 +18,10 @@ use crossterm::{
event::{DisableMouseCapture, EnableMouseCapture, Event, EventStream},
execute, terminal,
};
#[cfg(not(windows))]
use signal_hook::{consts::signal, low_level};
#[cfg(not(windows))]
use signal_hook_tokio::Signals;
pub struct Application {
compositor: Compositor,
@ -36,6 +40,8 @@ pub struct Application {
#[allow(dead_code)]
syn_loader: Arc<syntax::Loader>,
#[cfg(not(windows))]
signals: Signals,
jobs: Jobs,
lsp_progress: LspProgressMap,
}
@ -102,6 +108,9 @@ impl Application {
editor.set_theme(theme);
#[cfg(not(windows))]
let signals = Signals::new(&[signal::SIGTSTP, signal::SIGCONT])?;
let app = Self {
compositor,
editor,
@ -111,6 +120,8 @@ impl Application {
theme_loader,
syn_loader,
#[cfg(not(windows))]
signals,
jobs: Jobs::new(),
lsp_progress: LspProgressMap::new(),
};
@ -147,6 +158,51 @@ impl Application {
use futures_util::StreamExt;
#[cfg(not(windows))]
tokio::select! {
biased;
event = reader.next() => {
self.handle_terminal_events(event)
}
Some(signal) = self.signals.next() => {
use helix_view::graphics::Rect;
match signal {
signal::SIGTSTP => {
self.compositor.save_cursor();
self.restore_term().unwrap();
low_level::emulate_default_handler(signal::SIGTSTP).unwrap();
}
signal::SIGCONT => {
self.claim_term().await.unwrap();
// redraw the terminal
let Rect { width, height, .. } = self.compositor.size();
self.compositor.resize(width, height);
self.compositor.load_cursor();
self.render();
}
_ => unreachable!(),
}
}
Some((id, call)) = self.editor.language_servers.incoming.next() => {
self.handle_language_server_message(call, id).await;
// limit render calls for fast language server messages
let last = self.editor.language_servers.incoming.is_empty();
if last || last_render.elapsed() > deadline {
self.render();
last_render = Instant::now();
}
}
Some(callback) = self.jobs.futures.next() => {
self.jobs.handle_callback(&mut self.editor, &mut self.compositor, callback);
self.render();
}
Some(callback) = self.jobs.wait_futures.next() => {
self.jobs.handle_callback(&mut self.editor, &mut self.compositor, callback);
self.render();
}
}
#[cfg(windows)]
tokio::select! {
biased;
@ -443,15 +499,29 @@ impl Application {
}
}
pub async fn run(&mut self) -> Result<(), Error> {
async fn claim_term(&mut self) -> Result<(), Error> {
terminal::enable_raw_mode()?;
let mut stdout = stdout();
execute!(stdout, terminal::EnterAlternateScreen)?;
self.editor.close_language_servers(None).await?;
if self.config.terminal.mouse {
execute!(stdout, EnableMouseCapture)?;
}
Ok(())
}
fn restore_term(&mut self) -> Result<(), Error> {
let mut stdout = stdout();
// reset cursor shape
write!(stdout, "\x1B[2 q")?;
execute!(stdout, DisableMouseCapture)?;
execute!(stdout, terminal::LeaveAlternateScreen)?;
terminal::disable_raw_mode()?;
Ok(())
}
pub async fn run(&mut self) -> Result<(), Error> {
self.claim_term().await?;
// Exit the alternate screen and disable raw mode before panicking
let hook = std::panic::take_hook();
@ -469,13 +539,7 @@ impl Application {
self.editor.close_language_servers(None).await?;
// reset cursor shape
write!(stdout, "\x1B[2 q")?;
execute!(stdout, DisableMouseCapture)?;
execute!(stdout, terminal::LeaveAlternateScreen)?;
terminal::disable_raw_mode()?;
self.restore_term()?;
Ok(())
}

8
helix-term/src/commands.rs
View File

@ -291,7 +291,8 @@ impl Command {
surround_replace, "Surround replace",
surround_delete, "Surround delete",
select_textobject_around, "Select around object",
select_textobject_inner, "Select inside object"
select_textobject_inner, "Select inside object",
suspend, "Suspend"
);
}
@ -3894,3 +3895,8 @@ fn surround_delete(cx: &mut Context) {
}
})
}
fn suspend(_cx: &mut Context) {
#[cfg(not(windows))]
signal_hook::low_level::raise(signal_hook::consts::signal::SIGTSTP).unwrap();
}

17
helix-term/src/compositor.rs
View File

@ -68,7 +68,7 @@ pub trait Component: Any + AnyComponent {
use anyhow::Error;
use std::io::stdout;
use tui::backend::CrosstermBackend;
use tui::backend::{Backend, CrosstermBackend};
type Terminal = tui::terminal::Terminal<CrosstermBackend<std::io::Stdout>>;
pub struct Compositor {
@ -99,6 +99,21 @@ impl Compositor {
.expect("Unable to resize terminal")
}
pub fn save_cursor(&mut self) {
if self.terminal.cursor_kind() == CursorKind::Hidden {
self.terminal
.backend_mut()
.show_cursor(CursorKind::Block)
.ok();
}
}
pub fn load_cursor(&mut self) {
if self.terminal.cursor_kind() == CursorKind::Hidden {
self.terminal.backend_mut().hide_cursor().ok();
}
}
pub fn push(&mut self, mut layer: Box<dyn Component>) {
let size = self.size();
// trigger required_size on init

1
helix-term/src/keymap.rs
View File

@ -502,6 +502,7 @@ impl Default for Keymaps {
},
"\"" => select_register,
"C-z" => suspend,
});
// TODO: decide whether we want normal mode to also be select mode (kakoune-like), or whether
// we keep this separate select mode. More keys can fit into normal mode then, but it's weird

17
helix-tui/src/terminal.rs
View File

@ -45,8 +45,8 @@ where
buffers: [Buffer; 2],
/// Index of the current buffer in the previous array
current: usize,
/// Whether the cursor is currently hidden
hidden_cursor: bool,
/// Kind of cursor (hidden or others)
cursor_kind: CursorKind,
/// Viewport
viewport: Viewport,
}
@ -57,7 +57,7 @@ where
{
fn drop(&mut self) {
// Attempt to restore the cursor state
if self.hidden_cursor {
if self.cursor_kind == CursorKind::Hidden {
if let Err(err) = self.show_cursor(CursorKind::Block) {
eprintln!("Failed to show the cursor: {}", err);
}
@ -93,7 +93,7 @@ where
Buffer::empty(options.viewport.area),
],
current: 0,
hidden_cursor: false,
cursor_kind: CursorKind::Block,
viewport: options.viewport,
})
}
@ -185,15 +185,20 @@ where
Ok(())
}
#[inline]
pub fn cursor_kind(&self) -> CursorKind {
self.cursor_kind
}
pub fn hide_cursor(&mut self) -> io::Result<()> {
self.backend.hide_cursor()?;
self.hidden_cursor = true;
self.cursor_kind = CursorKind::Hidden;
Ok(())
}
pub fn show_cursor(&mut self, kind: CursorKind) -> io::Result<()> {
self.backend.show_cursor(kind)?;
self.hidden_cursor = false;
self.cursor_kind = kind;
Ok(())
}

2
helix-view/Cargo.toml
View File

@ -24,7 +24,7 @@ crossterm = { version = "0.20", optional = true }
once_cell = "1.8"
url = "2"
tokio = { version = "1", features = ["full"] }
tokio = { version = "1", features = ["rt", "rt-multi-thread", "io-util", "io-std", "time", "process", "macros", "fs", "parking_lot"] }
futures-util = { version = "0.3", features = ["std", "async-await"], default-features = false }
slotmap = "1"

2
helix-view/src/graphics.rs
View File

@ -1,7 +1,7 @@
use bitflags::bitflags;
use std::cmp::{max, min};
#[derive(Debug)]
#[derive(Debug, Clone, Copy, PartialEq)]
/// UNSTABLE
pub enum CursorKind {
/// █