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| 1 | +//! Daemon state machine and main event loop for garnotify |
| 2 | + |
| 3 | +use anyhow::{Context, Result}; |
| 4 | +use std::fs; |
| 5 | +use std::io::Write; |
| 6 | +use std::path::PathBuf; |
| 7 | +use std::sync::mpsc::Receiver; |
| 8 | +use std::sync::Arc; |
| 9 | +use tokio::signal::unix::{signal, SignalKind}; |
| 10 | +use tokio::sync::Mutex; |
| 11 | +use tracing::{debug, error, info, warn}; |
| 12 | + |
| 13 | +use crate::config::{self, Config}; |
| 14 | +use crate::dbus::NotificationsService; |
| 15 | +use crate::ipc::{Command, IpcServer}; |
| 16 | +use crate::notification::{ |
| 17 | + new_shared_store, CloseReason, History, Notification, NotificationEvent, |
| 18 | + SharedNotificationStore, UrgencyTimeouts, |
| 19 | +}; |
| 20 | +use crate::ui::{PopupCommand, PopupEvent, PopupManager}; |
| 21 | + |
| 22 | +/// Get the path to the PID file |
| 23 | +fn pid_file_path() -> PathBuf { |
| 24 | + dirs::runtime_dir() |
| 25 | + .unwrap_or_else(|| PathBuf::from("/tmp")) |
| 26 | + .join("garnotify.pid") |
| 27 | +} |
| 28 | + |
| 29 | +/// Check if an existing daemon is running |
| 30 | +fn check_existing_daemon() -> Result<()> { |
| 31 | + let pid_path = pid_file_path(); |
| 32 | + let socket_path = crate::ipc::socket_path(); |
| 33 | + |
| 34 | + if pid_path.exists() { |
| 35 | + let pid_str = fs::read_to_string(&pid_path)?; |
| 36 | + let pid: i32 = pid_str.trim().parse()?; |
| 37 | + |
| 38 | + let proc_path = format!("/proc/{}", pid); |
| 39 | + if std::path::Path::new(&proc_path).exists() { |
| 40 | + anyhow::bail!( |
| 41 | + "garnotify daemon already running (PID {}). Remove {} if incorrect.", |
| 42 | + pid, |
| 43 | + pid_path.display() |
| 44 | + ); |
| 45 | + } else { |
| 46 | + warn!("Removing stale PID file for PID {}", pid); |
| 47 | + fs::remove_file(&pid_path)?; |
| 48 | + // Also clean up stale socket |
| 49 | + if socket_path.exists() { |
| 50 | + warn!("Removing stale socket file"); |
| 51 | + let _ = fs::remove_file(&socket_path); |
| 52 | + } |
| 53 | + } |
| 54 | + } else if socket_path.exists() { |
| 55 | + // Socket exists but no PID file - orphaned socket |
| 56 | + warn!("Removing orphaned socket file (no PID file)"); |
| 57 | + let _ = fs::remove_file(&socket_path); |
| 58 | + } |
| 59 | + |
| 60 | + Ok(()) |
| 61 | +} |
| 62 | + |
| 63 | +/// Write the current process PID to the PID file |
| 64 | +fn write_pid_file() -> Result<()> { |
| 65 | + let pid_path = pid_file_path(); |
| 66 | + let pid = std::process::id(); |
| 67 | + |
| 68 | + let mut file = fs::File::create(&pid_path)?; |
| 69 | + writeln!(file, "{}", pid)?; |
| 70 | + |
| 71 | + debug!("Wrote PID {} to {}", pid, pid_path.display()); |
| 72 | + Ok(()) |
| 73 | +} |
| 74 | + |
| 75 | +/// Remove the PID file |
| 76 | +fn remove_pid_file() { |
| 77 | + let pid_path = pid_file_path(); |
| 78 | + if let Err(e) = fs::remove_file(&pid_path) { |
| 79 | + warn!("Failed to remove PID file: {}", e); |
| 80 | + } else { |
| 81 | + debug!("Removed PID file"); |
| 82 | + } |
| 83 | +} |
| 84 | + |
| 85 | +/// PID file guard - removes on drop |
| 86 | +struct PidGuard; |
| 87 | + |
| 88 | +impl Drop for PidGuard { |
| 89 | + fn drop(&mut self) { |
| 90 | + remove_pid_file(); |
| 91 | + } |
| 92 | +} |
| 93 | + |
| 94 | +/// Daemon state |
| 95 | +pub struct Daemon { |
| 96 | + config: Arc<Config>, |
| 97 | + ipc_server: IpcServer, |
| 98 | + ipc_rx: Receiver<Command>, |
| 99 | + dbus_service: Option<NotificationsService>, |
| 100 | + notification_store: SharedNotificationStore, |
| 101 | + notification_event_rx: tokio::sync::mpsc::Receiver<NotificationEvent>, |
| 102 | + history: Arc<Mutex<History>>, |
| 103 | + running: bool, |
| 104 | + /// Channel to send commands to the UI thread |
| 105 | + ui_cmd_tx: Option<std::sync::mpsc::Sender<PopupCommand>>, |
| 106 | + /// Channel to receive events from the UI thread |
| 107 | + ui_event_rx: Option<tokio::sync::mpsc::Receiver<PopupEvent>>, |
| 108 | + /// Handle to the UI thread |
| 109 | + ui_thread: Option<std::thread::JoinHandle<()>>, |
| 110 | +} |
| 111 | + |
| 112 | +impl Daemon { |
| 113 | + /// Create a new daemon |
| 114 | + pub fn new(config: Config) -> Result<Self> { |
| 115 | + let (ipc_server, ipc_rx) = IpcServer::new(); |
| 116 | + |
| 117 | + // Create notification event channel |
| 118 | + let (event_tx, event_rx) = tokio::sync::mpsc::channel(100); |
| 119 | + |
| 120 | + // Create urgency timeouts from config |
| 121 | + let urgency_timeouts = UrgencyTimeouts { |
| 122 | + low: config.timeouts.low, |
| 123 | + normal: config.timeouts.normal, |
| 124 | + critical: config.timeouts.critical, |
| 125 | + }; |
| 126 | + |
| 127 | + // Create notification store with tokio handle for spawning timeout tasks |
| 128 | + let tokio_handle = tokio::runtime::Handle::current(); |
| 129 | + let notification_store = new_shared_store(event_tx, urgency_timeouts, tokio_handle); |
| 130 | + |
| 131 | + // Create history |
| 132 | + let history = Arc::new(Mutex::new(History::new(config.history.max_length))); |
| 133 | + |
| 134 | + let config = Arc::new(config); |
| 135 | + |
| 136 | + Ok(Self { |
| 137 | + config, |
| 138 | + ipc_server, |
| 139 | + ipc_rx, |
| 140 | + dbus_service: None, |
| 141 | + notification_store, |
| 142 | + notification_event_rx: event_rx, |
| 143 | + history, |
| 144 | + running: true, |
| 145 | + ui_cmd_tx: None, |
| 146 | + ui_event_rx: None, |
| 147 | + ui_thread: None, |
| 148 | + }) |
| 149 | + } |
| 150 | + |
| 151 | + /// Initialize IPC server |
| 152 | + pub fn init_ipc(&mut self) -> Result<()> { |
| 153 | + self.ipc_server |
| 154 | + .start() |
| 155 | + .context("Failed to start IPC server")?; |
| 156 | + info!("IPC server started"); |
| 157 | + Ok(()) |
| 158 | + } |
| 159 | + |
| 160 | + /// Initialize D-Bus service |
| 161 | + pub async fn init_dbus(&mut self) -> Result<()> { |
| 162 | + let service = NotificationsService::new( |
| 163 | + self.config.clone(), |
| 164 | + self.notification_store.clone(), |
| 165 | + ) |
| 166 | + .await?; |
| 167 | + self.dbus_service = Some(service); |
| 168 | + info!("D-Bus service registered"); |
| 169 | + Ok(()) |
| 170 | + } |
| 171 | + |
| 172 | + /// Initialize UI (popup manager) in a separate thread |
| 173 | + pub fn init_ui(&mut self) -> Result<()> { |
| 174 | + let config = self.config.clone(); |
| 175 | + |
| 176 | + // Create channels for communication |
| 177 | + let (cmd_tx, cmd_rx) = std::sync::mpsc::channel::<PopupCommand>(); |
| 178 | + let (event_tx, event_rx) = tokio::sync::mpsc::channel::<PopupEvent>(100); |
| 179 | + |
| 180 | + // Spawn UI thread |
| 181 | + let ui_thread = std::thread::Builder::new() |
| 182 | + .name("garnotify-ui".into()) |
| 183 | + .spawn(move || { |
| 184 | + if let Err(e) = run_ui_thread(config, cmd_rx, event_tx) { |
| 185 | + error!("UI thread error: {}", e); |
| 186 | + } |
| 187 | + }) |
| 188 | + .context("Failed to spawn UI thread")?; |
| 189 | + |
| 190 | + self.ui_cmd_tx = Some(cmd_tx); |
| 191 | + self.ui_event_rx = Some(event_rx); |
| 192 | + self.ui_thread = Some(ui_thread); |
| 193 | + |
| 194 | + info!("UI thread started"); |
| 195 | + Ok(()) |
| 196 | + } |
| 197 | + |
| 198 | + /// Send a command to the UI thread |
| 199 | + fn send_ui_command(&self, cmd: PopupCommand) { |
| 200 | + if let Some(ref tx) = self.ui_cmd_tx { |
| 201 | + if let Err(e) = tx.send(cmd) { |
| 202 | + warn!("Failed to send UI command: {}", e); |
| 203 | + } |
| 204 | + } |
| 205 | + } |
| 206 | + |
| 207 | + /// Show a notification popup |
| 208 | + fn show_notification_popup(&self, notification: Notification) { |
| 209 | + self.send_ui_command(PopupCommand::Show(notification)); |
| 210 | + } |
| 211 | + |
| 212 | + /// Close a notification popup |
| 213 | + fn close_notification_popup(&self, id: u32, reason: CloseReason) { |
| 214 | + self.send_ui_command(PopupCommand::Close { id, reason }); |
| 215 | + } |
| 216 | + |
| 217 | + /// Run the main event loop |
| 218 | + pub async fn run(&mut self) -> Result<()> { |
| 219 | + info!("Entering main event loop"); |
| 220 | + |
| 221 | + let mut sigterm = signal(SignalKind::terminate())?; |
| 222 | + let mut sighup = signal(SignalKind::hangup())?; |
| 223 | + |
| 224 | + while self.running { |
| 225 | + // Check for IPC commands (non-blocking) |
| 226 | + self.poll_ipc_commands().await; |
| 227 | + |
| 228 | + // Check for UI events (non-blocking) |
| 229 | + self.poll_ui_events().await; |
| 230 | + |
| 231 | + tokio::select! { |
| 232 | + _ = sigterm.recv() => { |
| 233 | + info!("Received SIGTERM, shutting down"); |
| 234 | + self.running = false; |
| 235 | + } |
| 236 | + _ = sighup.recv() => { |
| 237 | + info!("Received SIGHUP, reloading config"); |
| 238 | + self.handle_reload()?; |
| 239 | + } |
| 240 | + _ = tokio::signal::ctrl_c() => { |
| 241 | + info!("Received Ctrl+C, shutting down"); |
| 242 | + self.running = false; |
| 243 | + } |
| 244 | + Some(event) = self.notification_event_rx.recv() => { |
| 245 | + self.handle_notification_event(event).await; |
| 246 | + } |
| 247 | + _ = tokio::time::sleep(tokio::time::Duration::from_millis(50)) => { |
| 248 | + // Poll interval for IPC and UI events |
| 249 | + } |
| 250 | + } |
| 251 | + } |
| 252 | + |
| 253 | + // Clean up UI thread |
| 254 | + if let Some(tx) = self.ui_cmd_tx.take() { |
| 255 | + drop(tx); // Close the channel to signal UI thread to exit |
| 256 | + } |
| 257 | + if let Some(handle) = self.ui_thread.take() { |
| 258 | + let _ = handle.join(); |
| 259 | + } |
| 260 | + |
| 261 | + info!("Daemon shutdown complete"); |
| 262 | + Ok(()) |
| 263 | + } |
| 264 | + |
| 265 | + /// Poll for UI events |
| 266 | + async fn poll_ui_events(&mut self) { |
| 267 | + // Collect events first to avoid borrow issues |
| 268 | + let events: Vec<PopupEvent> = if let Some(ref mut rx) = self.ui_event_rx { |
| 269 | + let mut events = Vec::new(); |
| 270 | + while let Ok(event) = rx.try_recv() { |
| 271 | + events.push(event); |
| 272 | + } |
| 273 | + events |
| 274 | + } else { |
| 275 | + Vec::new() |
| 276 | + }; |
| 277 | + |
| 278 | + // Handle collected events |
| 279 | + for event in events { |
| 280 | + self.handle_ui_event(event).await; |
| 281 | + } |
| 282 | + } |
| 283 | + |
| 284 | + /// Handle a UI event |
| 285 | + async fn handle_ui_event(&mut self, event: PopupEvent) { |
| 286 | + match event { |
| 287 | + PopupEvent::Dismissed(id) => { |
| 288 | + info!("Notification {} dismissed by user", id); |
| 289 | + // Remove from store and emit D-Bus signal |
| 290 | + let mut store = self.notification_store.lock().await; |
| 291 | + if let Some(notification) = store.remove(id) { |
| 292 | + let mut history = self.history.lock().await; |
| 293 | + history.push(notification); |
| 294 | + } |
| 295 | + if let Some(ref dbus) = self.dbus_service { |
| 296 | + if let Err(e) = dbus.emit_closed(id, CloseReason::Dismissed).await { |
| 297 | + error!("Failed to emit NotificationClosed signal: {}", e); |
| 298 | + } |
| 299 | + } |
| 300 | + } |
| 301 | + PopupEvent::ActionInvoked { id, action_key } => { |
| 302 | + info!("Action '{}' invoked on notification {}", action_key, id); |
| 303 | + if let Some(ref dbus) = self.dbus_service { |
| 304 | + if let Err(e) = dbus.emit_action_invoked(id, &action_key).await { |
| 305 | + error!("Failed to emit ActionInvoked signal: {}", e); |
| 306 | + } |
| 307 | + } |
| 308 | + } |
| 309 | + PopupEvent::Closed { id, reason } => { |
| 310 | + debug!("Popup closed for notification {}: {:?}", id, reason); |
| 311 | + // Already handled by the notification event |
| 312 | + } |
| 313 | + } |
| 314 | + } |
| 315 | + |
| 316 | + /// Poll for IPC commands |
| 317 | + async fn poll_ipc_commands(&mut self) { |
| 318 | + while let Ok(cmd) = self.ipc_rx.try_recv() { |
| 319 | + self.handle_ipc_command(cmd).await; |
| 320 | + } |
| 321 | + } |
| 322 | + |
| 323 | + /// Handle a notification event (created, updated, closed) |
| 324 | + async fn handle_notification_event(&mut self, event: NotificationEvent) { |
| 325 | + match event { |
| 326 | + NotificationEvent::Created(notification) => { |
| 327 | + info!( |
| 328 | + "Notification created: id={} summary=\"{}\"", |
| 329 | + notification.id, notification.summary |
| 330 | + ); |
| 331 | + // Show popup |
| 332 | + self.show_notification_popup(notification); |
| 333 | + } |
| 334 | + NotificationEvent::Updated(notification) => { |
| 335 | + info!( |
| 336 | + "Notification updated: id={} summary=\"{}\"", |
| 337 | + notification.id, notification.summary |
| 338 | + ); |
| 339 | + // Update popup |
| 340 | + self.send_ui_command(PopupCommand::Update { |
| 341 | + id: notification.id, |
| 342 | + notification, |
| 343 | + }); |
| 344 | + } |
| 345 | + NotificationEvent::Closed { id, reason } => { |
| 346 | + info!("Notification {} closed: reason={:?}", id, reason); |
| 347 | + |
| 348 | + // Close popup |
| 349 | + self.close_notification_popup(id, reason.clone()); |
| 350 | + |
| 351 | + // Remove from store and add to history |
| 352 | + let mut store = self.notification_store.lock().await; |
| 353 | + if let Some(notification) = store.remove(id) { |
| 354 | + // Add to history (unless transient) |
| 355 | + let mut history = self.history.lock().await; |
| 356 | + history.push(notification); |
| 357 | + } |
| 358 | + |
| 359 | + // Emit D-Bus signal |
| 360 | + if let Some(ref dbus) = self.dbus_service { |
| 361 | + if let Err(e) = dbus.emit_closed(id, reason).await { |
| 362 | + error!("Failed to emit NotificationClosed signal: {}", e); |
| 363 | + } |
| 364 | + } |
| 365 | + } |
| 366 | + } |
| 367 | + } |
| 368 | + |
| 369 | + /// Handle an IPC command |
| 370 | + async fn handle_ipc_command(&mut self, cmd: Command) { |
| 371 | + debug!("Handling IPC command: {:?}", cmd); |
| 372 | + match cmd { |
| 373 | + Command::Status => { |
| 374 | + let store = self.notification_store.lock().await; |
| 375 | + let history = self.history.lock().await; |
| 376 | + info!( |
| 377 | + "Status: running, {} active notifications, {} in history", |
| 378 | + store.count(), |
| 379 | + history.len() |
| 380 | + ); |
| 381 | + } |
| 382 | + Command::Reload => { |
| 383 | + info!("Reloading config via IPC"); |
| 384 | + if let Err(e) = self.handle_reload() { |
| 385 | + error!("Failed to reload config: {}", e); |
| 386 | + } |
| 387 | + } |
| 388 | + Command::Quit => { |
| 389 | + info!("Quit requested via IPC"); |
| 390 | + self.running = false; |
| 391 | + } |
| 392 | + Command::Close { id } => { |
| 393 | + let target_id = if let Some(id) = id { |
| 394 | + Some(id) |
| 395 | + } else { |
| 396 | + // Close most recent |
| 397 | + let store = self.notification_store.lock().await; |
| 398 | + store.list().last().map(|n| n.id) |
| 399 | + }; |
| 400 | + |
| 401 | + if let Some(id) = target_id { |
| 402 | + info!("Close notification: {}", id); |
| 403 | + let mut store = self.notification_store.lock().await; |
| 404 | + if let Some(notification) = store.remove(id) { |
| 405 | + let mut history = self.history.lock().await; |
| 406 | + history.push(notification); |
| 407 | + |
| 408 | + // Emit D-Bus signal |
| 409 | + if let Some(ref dbus) = self.dbus_service { |
| 410 | + if let Err(e) = dbus.emit_closed(id, CloseReason::Closed).await { |
| 411 | + error!("Failed to emit NotificationClosed signal: {}", e); |
| 412 | + } |
| 413 | + } |
| 414 | + } |
| 415 | + } |
| 416 | + } |
| 417 | + Command::CloseAll => { |
| 418 | + info!("Close all notifications"); |
| 419 | + let mut store = self.notification_store.lock().await; |
| 420 | + let notifications = store.clear(); |
| 421 | + let mut history = self.history.lock().await; |
| 422 | + |
| 423 | + for notification in notifications { |
| 424 | + let id = notification.id; |
| 425 | + history.push(notification); |
| 426 | + |
| 427 | + // Emit D-Bus signal for each |
| 428 | + if let Some(ref dbus) = self.dbus_service { |
| 429 | + if let Err(e) = dbus.emit_closed(id, CloseReason::Closed).await { |
| 430 | + error!("Failed to emit NotificationClosed signal: {}", e); |
| 431 | + } |
| 432 | + } |
| 433 | + } |
| 434 | + } |
| 435 | + Command::HistoryPop => { |
| 436 | + info!("History pop requested"); |
| 437 | + let mut history = self.history.lock().await; |
| 438 | + if let Some(notification) = history.pop() { |
| 439 | + info!( |
| 440 | + "Popped from history: id={} summary=\"{}\"", |
| 441 | + notification.id, notification.summary |
| 442 | + ); |
| 443 | + // TODO: In sprint 3, re-display the notification |
| 444 | + } else { |
| 445 | + info!("History is empty"); |
| 446 | + } |
| 447 | + } |
| 448 | + Command::HistoryClear => { |
| 449 | + info!("History clear requested"); |
| 450 | + let mut history = self.history.lock().await; |
| 451 | + history.clear(); |
| 452 | + } |
| 453 | + Command::SetPaused { paused, level } => { |
| 454 | + info!("Set paused: {} (level {})", paused, level); |
| 455 | + // TODO: Implement in sprint 4 |
| 456 | + } |
| 457 | + Command::IsPaused => { |
| 458 | + info!("Is paused query"); |
| 459 | + // TODO: Implement in sprint 4 |
| 460 | + } |
| 461 | + Command::Count => { |
| 462 | + let store = self.notification_store.lock().await; |
| 463 | + info!("Notification count: {}", store.count()); |
| 464 | + } |
| 465 | + Command::List => { |
| 466 | + let store = self.notification_store.lock().await; |
| 467 | + info!("Active notifications:"); |
| 468 | + for notification in store.list() { |
| 469 | + info!( |
| 470 | + " id={} app=\"{}\" summary=\"{}\"", |
| 471 | + notification.id, notification.app_name, notification.summary |
| 472 | + ); |
| 473 | + } |
| 474 | + } |
| 475 | + Command::RuleEnable { name } => { |
| 476 | + info!("Rule enable: {}", name); |
| 477 | + // TODO: Implement in sprint 4 |
| 478 | + } |
| 479 | + Command::RuleDisable { name } => { |
| 480 | + info!("Rule disable: {}", name); |
| 481 | + // TODO: Implement in sprint 4 |
| 482 | + } |
| 483 | + } |
| 484 | + } |
| 485 | + |
| 486 | + /// Handle config reload |
| 487 | + fn handle_reload(&mut self) -> Result<()> { |
| 488 | + match config::load(None) { |
| 489 | + Ok(new_config) => { |
| 490 | + info!("Reloaded configuration"); |
| 491 | + self.config = Arc::new(new_config); |
| 492 | + } |
| 493 | + Err(e) => { |
| 494 | + warn!("Failed to reload config: {}", e); |
| 495 | + } |
| 496 | + } |
| 497 | + Ok(()) |
| 498 | + } |
| 499 | +} |
| 500 | + |
| 501 | +/// Run the notification daemon |
| 502 | +pub async fn run(config_path: Option<String>, _foreground: bool) -> Result<()> { |
| 503 | + check_existing_daemon()?; |
| 504 | + write_pid_file()?; |
| 505 | + let _pid_guard = PidGuard; |
| 506 | + |
| 507 | + let config = config::load(config_path.as_deref())?; |
| 508 | + info!("Loaded configuration"); |
| 509 | + info!("Position: {}", config.geometry.position); |
| 510 | + info!("Width: {}px", config.geometry.width); |
| 511 | + info!( |
| 512 | + "Timeouts: low={}ms, normal={}ms, critical={}ms", |
| 513 | + config.timeouts.low, config.timeouts.normal, config.timeouts.critical |
| 514 | + ); |
| 515 | + |
| 516 | + let mut daemon = Daemon::new(config)?; |
| 517 | + daemon.init_ipc().context("Failed to initialize IPC")?; |
| 518 | + daemon |
| 519 | + .init_dbus() |
| 520 | + .await |
| 521 | + .context("Failed to initialize D-Bus")?; |
| 522 | + daemon.init_ui().context("Failed to initialize UI")?; |
| 523 | + daemon.run().await |
| 524 | +} |
| 525 | + |
| 526 | +/// Run the UI thread - handles X11 popup windows |
| 527 | +fn run_ui_thread( |
| 528 | + config: Arc<Config>, |
| 529 | + cmd_rx: std::sync::mpsc::Receiver<PopupCommand>, |
| 530 | + event_tx: tokio::sync::mpsc::Sender<PopupEvent>, |
| 531 | +) -> Result<()> { |
| 532 | + let mut manager = PopupManager::new(config, event_tx)?; |
| 533 | + |
| 534 | + loop { |
| 535 | + // Check for commands (with timeout to allow X11 event polling) |
| 536 | + match cmd_rx.recv_timeout(std::time::Duration::from_millis(16)) { |
| 537 | + Ok(cmd) => { |
| 538 | + if let Err(e) = manager.handle_command(cmd) { |
| 539 | + error!("Failed to handle UI command: {}", e); |
| 540 | + } |
| 541 | + } |
| 542 | + Err(std::sync::mpsc::RecvTimeoutError::Timeout) => { |
| 543 | + // Normal timeout, continue to poll X11 events |
| 544 | + } |
| 545 | + Err(std::sync::mpsc::RecvTimeoutError::Disconnected) => { |
| 546 | + // Channel closed, daemon shutting down |
| 547 | + info!("UI thread: command channel closed, exiting"); |
| 548 | + break; |
| 549 | + } |
| 550 | + } |
| 551 | + |
| 552 | + // Poll X11 events |
| 553 | + if let Err(e) = manager.poll_events() { |
| 554 | + error!("Failed to poll X11 events: {}", e); |
| 555 | + } |
| 556 | + } |
| 557 | + |
| 558 | + Ok(()) |
| 559 | +} |