Revert "feat: SIGUSR2 handling for toggles (#281)" (#296)

This reverts commit 8768ebad84.

src-tauri/Cargo.lock

@@ -1425,10 +1425,6 @@ dependencies = [
  "objc2 0.6.3",
  "objc2-app-kit",
  "objc2-foundation 0.3.2",
- "tempfile",
- "wayland-client",
- "wayland-protocols-misc",
- "wayland-protocols-wlr",
  "windows 0.61.3",
  "x11rb",
  "xkbcommon",
@@ -2300,7 +2296,6 @@ dependencies = [
  "rustfft",
  "serde",
  "serde_json",
- "signal-hook",
  "strsim",
  "tar",
  "tauri",
@@ -5566,16 +5561,6 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
 
-[[package]]
-name = "signal-hook"
-version = "0.3.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d881a16cf4426aa584979d30bd82cb33429027e42122b169753d6ef1085ed6e2"
-dependencies = [
- "libc",
- "signal-hook-registry",
-]
-
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.6"
@@ -7640,19 +7625,6 @@ dependencies = [
  "wayland-scanner",
 ]
 
-[[package]]
-name = "wayland-protocols-misc"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2dfe33d551eb8bffd03ff067a8b44bb963919157841a99957151299a6307d19c"
-dependencies = [
- "bitflags 2.10.0",
- "wayland-backend",
- "wayland-client",
- "wayland-protocols",
- "wayland-scanner",
-]
-
 [[package]]
 name = "wayland-protocols-wlr"
 version = "0.3.9"

src-tauri/Cargo.toml

@@ -29,10 +29,10 @@ tauri-build = { version = "2", features = [] }
 [dependencies]
 once_cell = "1"
 tauri = { version = "2.9.1", features = [
-  "protocol-asset",
+    "protocol-asset",
-  "macos-private-api",
+    "macos-private-api",
-  "tray-icon",
+    "tray-icon",
-  'image-png',
+    'image-png',
 ] }
 tauri-plugin-opener = "2.5.2"
 tauri-plugin-store = "2.4.1"
@@ -53,7 +53,7 @@ env_logger = "0.11.6"
 log = "0.4.25"
 tokio = "1.43.0"
 vad-rs = { git = "https://github.com/cjpais/vad-rs", default-features = false }
-enigo = { version = "0.6.1", features = ["wayland"] }
+enigo = "0.6.1"
 rodio = { git = "https://github.com/cjpais/rodio.git" }
 reqwest = { version = "0.11.27", features = ["json", "stream"] }
 futures-util = "0.3"
@@ -73,9 +73,6 @@ tauri-plugin-global-shortcut = "2.3.1"
 tauri-plugin-single-instance = "2.3.2"
 tauri-plugin-updater = "2.9.0"
 
-[target.'cfg(unix)'.dependencies]
-signal-hook = "0.3"
-
 [profile.release]
 lto = true
 codegen-units = 1

src-tauri/src/lib.rs

@@ -7,7 +7,6 @@ mod managers;
 mod overlay;
 mod settings;
 mod shortcut;
-mod signal_handler;
 mod tray;
 mod utils;
 
@@ -24,13 +23,6 @@ use tauri::Emitter;
 use tauri::{AppHandle, Manager};
 use tauri_plugin_autostart::{MacosLauncher, ManagerExt};
 
-#[cfg(unix)]
-use signal_hook::consts::SIGUSR2;
-#[cfg(unix)]
-use signal_hook::iterator::Signals;
-
-use log::info;
-
 #[derive(Default)]
 struct ShortcutToggleStates {
     // Map: shortcut_binding_id -> is_active
@@ -163,10 +155,6 @@ fn trigger_update_check(app: AppHandle) -> Result<(), String> {
 pub fn run() {
     env_logger::init();
 
-    info!("Initializing!");
-    #[cfg(unix)]
-    let signals = Signals::new(&[SIGUSR2]).unwrap();
-
     tauri::Builder::default()
         .plugin(tauri_plugin_single_instance::init(|app, _args, _cwd| {
             show_main_window(app);
@@ -197,13 +185,6 @@ pub fn run() {
             let settings = settings::get_settings(&app.handle());
             let app_handle = app.handle().clone();
 
-            // Set up SIGUSR2 signal handler for toggling transcription
-            //
-            // Note: We register SIGUSR2 here so as to not conflict with
-            // WebKit's default handling of SIGUSR1 for triggering GC cleanup.
-            #[cfg(unix)]
-            signal_handler::setup_signal_handler(app_handle.clone(), signals);
-
             initialize_core_logic(&app_handle);
 
             // Show main window only if not starting hidden

src-tauri/src/signal_handler.rs

@@ -1,64 +0,0 @@
-use crate::actions::ACTION_MAP;
-use crate::ManagedToggleState;
-use log::{debug, info, warn};
-use std::thread;
-use tauri::{AppHandle, Manager};
-
-#[cfg(unix)]
-use signal_hook::consts::SIGUSR2;
-#[cfg(unix)]
-use signal_hook::iterator::Signals;
-
-#[cfg(unix)]
-pub fn setup_signal_handler(app_handle: AppHandle, mut signals: Signals) {
-    let app_handle_for_signal = app_handle.clone();
-
-    info!("SIGUSR2 signal handler registered successfully");
-    thread::spawn(move || {
-        info!("SIGUSR2 signal handler thread started");
-        // This blocks until a signal arrives - much more efficient than polling
-        for sig in signals.forever() {
-            match sig {
-                SIGUSR2 => {
-                    debug!("Received SIGUSR2 signal (signal number: {sig})");
-
-                    let binding_id = "transcribe";
-                    let shortcut_string = "SIGUSR2";
-
-                    if let Some(action) = ACTION_MAP.get(binding_id) {
-                        let toggle_state_manager =
-                            app_handle_for_signal.state::<ManagedToggleState>();
-
-                        let mut states = match toggle_state_manager.lock() {
-                            Ok(s) => s,
-                            Err(e) => {
-                                warn!("Failed to lock toggle state manager: {e}");
-                                continue;
-                            }
-                        };
-
-                        let is_currently_active = states
-                            .active_toggles
-                            .entry(binding_id.to_string())
-                            .or_insert(false);
-
-                        if *is_currently_active {
-                            debug!("SIGUSR2: Stopping transcription (currently active)");
-                            action.stop(&app_handle_for_signal, binding_id, shortcut_string);
-                            *is_currently_active = false; // Update state to inactive
-                            info!("SIGUSR2: Transcription stopped");
-                        } else {
-                            debug!("SIGUSR2: Starting transcription (currently inactive)");
-                            action.start(&app_handle_for_signal, binding_id, shortcut_string);
-                            *is_currently_active = true; // Update state to active
-                            info!("SIGUSR2: Transcription started");
-                        }
-                    } else {
-                        warn!("No action defined in ACTION_MAP for binding ID '{binding_id}'");
-                    }
-                }
-                _ => unreachable!(),
-            }
-        }
-    });
-}