feat: add flag to remove delay (#410)

src/kanata/mod.rs

@@ -1238,19 +1238,22 @@ impl Kanata {
  kanata: Arc<Mutex<Self>>,
  rx: Receiver<KeyEvent>,
  tx: Option<Sender<ServerMessage>>,
+ nodelay: bool,
  ) {
  info!("entering the processing loop");
  std::thread::spawn(move || {
- info!("Init: catching only releases and sending immediately");
- for _ in 0..500 {
- if let Ok(kev) = rx.try_recv() {
- if kev.value == KeyValue::Release {
- let mut k = kanata.lock();
- info!("Init: releasing {:?}", kev.code);
- k.kbd_out.release_key(kev.code).expect("key released");
+ if !nodelay {
+ info!("Init: catching only releases and sending immediately");
+ for _ in 0..500 {
+ if let Ok(kev) = rx.try_recv() {
+ if kev.value == KeyValue::Release {
+ let mut k = kanata.lock();
+ info!("Init: releasing {:?}", kev.code);
+ k.kbd_out.release_key(kev.code).expect("key released");
+ }
  }
+ std::thread::sleep(time::Duration::from_millis(1));
  }
- std::thread::sleep(time::Duration::from_millis(1));
  }
 
  info!("Starting kanata proper");

src/main.rs

@@ -22,6 +22,7 @@ pub struct ValidatedArgs {
  port: Option<i32>,
  #[cfg(target_os = "linux")]
  symlink_path: Option<String>,
+ nodelay: bool,
 }
 
 fn default_cfg() -> Vec<PathBuf> {
@@ -97,6 +98,11 @@ kanata.kbd in the current working directory and
  /// Enable trace logging; implies --debug as well.
  #[arg(short, long)]
  trace: bool,
+
+ /// Remove the startup delay on kanata. In some cases, removing the delay may cause keyboard
+ /// issues on startup.
+ #[arg(short, long)]
+ nodelay: bool,
 }
 
 /// Parse CLI arguments and initialize logging.
@@ -144,15 +150,18 @@ fn cli_init() -> Result<ValidatedArgs> {
  port: args.port,
  #[cfg(target_os = "linux")]
  symlink_path: args.symlink_path,
+ nodelay: args.nodelay,
  })
 }
 
 fn main_impl() -> Result<()> {
  let args = cli_init()?;
  let kanata_arc = Kanata::new_arc(&args)?;
 
- info!("Sleeping for 2s. Please release all keys and don't press additional ones.");
- std::thread::sleep(std::time::Duration::from_secs(2));
+ if !args.nodelay {
+ info!("Sleeping for 2s. Please release all keys and don't press additional ones.");
+ std::thread::sleep(std::time::Duration::from_secs(2));
+ }
 
  // Start a processing loop in another thread and run the event loop in this thread.
  //
@@ -170,7 +179,7 @@ fn main_impl() -> Result<()> {
  };
 
  let (tx, rx) = std::sync::mpsc::channel();
- Kanata::start_processing_loop(kanata_arc.clone(), rx, ntx);
+ Kanata::start_processing_loop(kanata_arc.clone(), rx, ntx, args.nodelay);
 
  if let (Some(server), Some(nrx)) = (server, nrx) {
  Kanata::start_notification_loop(nrx, server.connections);