fix: register and ignore the SIGINT signal explicitly

yazi-adapter/src/ueberzug.rs

@@ -10,8 +10,9 @@ use yazi_shared::{RoCell, env_exists};
 
 use crate::{Adapter, Dimension};
 
-#[allow(clippy::type_complexity)]
-static DEMON: RoCell<Option<UnboundedSender<Option<(PathBuf, Rect)>>>> = RoCell::new();
+type Cmd = Option<(PathBuf, Rect)>;
+
+static DEMON: RoCell<Option<UnboundedSender<Cmd>>> = RoCell::new();
 
 pub(super) struct Ueberzug;
 
@@ -34,7 +35,7 @@ impl Ueberzug {
 					child = Self::create_demon(adapter).ok();
 				}
 				if let Some(c) = &mut child {
-					Self::send_command(c, cmd).await.ok();
+					Self::send_command(adapter, c, cmd).await.ok();
 				}
 			}
 		});
@@ -108,30 +109,28 @@ impl Ueberzug {
 		rect
 	}
 
-	async fn send_command(child: &mut Child, cmd: Option<(PathBuf, Rect)>) -> Result<()> {
-		let stdin = child.stdin.as_mut().unwrap();
-		if let Some((path, rect)) = cmd {
+	async fn send_command(adapter: Adapter, child: &mut Child, cmd: Cmd) -> Result<()> {
+		let s = if let Some((path, rect)) = cmd {
 			debug!("ueberzugpp rect before adjustment: {:?}", rect);
 			let rect = Self::adjust_rect(rect);
 			debug!("ueberzugpp rect after adjustment: {:?}", rect);
 
-			let s = format!(
+			format!(
 				r#"{{"action":"add","identifier":"yazi","x":{},"y":{},"max_width":{},"max_height":{},"path":"{}"}}{}"#,
 				rect.x,
 				rect.y,
 				rect.width,
 				rect.height,
 				path.to_string_lossy(),
-				"\n"
-			);
-			debug!("ueberzugpp command: {}", s);
-			stdin.write_all(s.as_bytes()).await?;
+				'\n'
+			)
 		} else {
-			debug!("ueberzugpp command: remove");
-			stdin
-				.write_all(format!(r#"{{"action":"remove","identifier":"yazi"}}{}"#, "\n").as_bytes())
-				.await?;
-		}
+			format!(r#"{{"action":"remove","identifier":"yazi"}}{}"#, '\n')
+		};
+
+		debug!("`ueberzugpp layer -so {adapter}` command: {s}");
+		child.stdin.as_mut().unwrap().write_all(s.as_bytes()).await?;
+
 		Ok(())
 	}
 }

yazi-fm/src/signals.rs

@@ -26,12 +26,13 @@ impl Signals {
 	#[cfg(unix)]
 	#[inline]
 	fn handle_sys(n: libc::c_int) -> bool {
-		use libc::{SIGCONT, SIGHUP, SIGQUIT, SIGSTOP, SIGTERM, SIGTSTP};
+		use libc::{SIGCONT, SIGHUP, SIGINT, SIGQUIT, SIGSTOP, SIGTERM, SIGTSTP};
 		use tracing::error;
 		use yazi_proxy::{AppProxy, HIDER};
 
 		match n {
-			SIGHUP | SIGTERM | SIGQUIT => {
+			SIGINT => { /* ignored */ }
+			SIGQUIT | SIGHUP | SIGTERM => {
 				Event::Quit(Default::default()).emit();
 				return false;
 			}
@@ -73,13 +74,17 @@ impl Signals {
 
 	fn spawn(mut rx: mpsc::UnboundedReceiver<(bool, Option<oneshot::Sender<()>>)>) -> Result<()> {
 		#[cfg(unix)]
-		use libc::{SIGCONT, SIGHUP, SIGQUIT, SIGTERM, SIGTSTP};
+		use libc::{SIGCONT, SIGHUP, SIGINT, SIGQUIT, SIGTERM, SIGTSTP};
 
 		#[cfg(unix)]
 		let mut sys = signal_hook_tokio::Signals::new([
-			// Terminating signals
-			SIGHUP, SIGTERM, SIGQUIT, //
-			// Job control signals
+			// Interrupt signals (Ctrl-C, Ctrl-\)
+			SIGINT, SIGQUIT, //
+			// Hangup signal (Terminal closed)
+			SIGHUP, //
+			// Termination signal (kill)
+			SIGTERM, //
+			// Job control signals (Ctrl-Z, fg/bg)
 			SIGTSTP, SIGCONT,
 		])?;
 		#[cfg(windows)]