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Use an empty stream on Windows to remove duplication

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This commit is contained in:
Blaž Hrastnik 2021-07-27 01:18:41 +09:00
parent 821565e4ef
commit 585793eb46
1 changed files with 32 additions and 46 deletions
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78
helix-term/src/application.rs
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@ -19,9 +19,12 @@ use crossterm::{
execute, terminal,
};
#[cfg(not(windows))]
use signal_hook::{consts::signal, low_level};
#[cfg(not(windows))]
use signal_hook_tokio::Signals;
use {
signal_hook::{consts::signal, low_level},
signal_hook_tokio::Signals,
};
#[cfg(windows)]
type Signals = futures_util::stream::Empty<()>;
pub struct Application {
compositor: Compositor,
@ -40,7 +43,6 @@ pub struct Application {
#[allow(dead_code)]
syn_loader: Arc<syntax::Loader>,
#[cfg(not(windows))]
signals: Signals,
jobs: Jobs,
lsp_progress: LspProgressMap,
@ -108,6 +110,8 @@ impl Application {
editor.set_theme(theme);
#[cfg(windows)]
let signals = futures_util::stream::empty();
#[cfg(not(windows))]
let signals = Signals::new(&[signal::SIGTSTP, signal::SIGCONT])?;
@ -120,7 +124,6 @@ impl Application {
theme_loader,
syn_loader,
#[cfg(not(windows))]
signals,
jobs: Jobs::new(),
lsp_progress: LspProgressMap::new(),
@ -158,7 +161,6 @@ impl Application {
use futures_util::StreamExt;
#[cfg(not(windows))]
tokio::select! {
biased;
@ -166,23 +168,7 @@ impl Application {
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!(),
}
self.handle_signals(signal).await;
}
Some((id, call)) = self.editor.language_servers.incoming.next() => {
self.handle_language_server_message(call, id).await;
@ -202,31 +188,31 @@ impl Application {
self.render();
}
}
#[cfg(windows)]
tokio::select! {
biased;
}
}
event = reader.next() => {
self.handle_terminal_events(event)
}
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)]
// no signal handling available on windows
pub async fn handle_signals(&mut self, _signal: ()) {}
#[cfg(not(windows))]
pub async fn handle_signals(&mut self, signal: i32) {
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!(),
}
}