feat: add toggle pause param

this send `killall -SIGUSR1 push2talk`

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "push2talk"
-version = "1.0.0"
+version = "1.0.2"
 edition = "2021"
 authors = ["Cyril Levis", "Maxim Baz"]
 categories = ["gui", "audio"]

src/main.rs

@@ -10,6 +10,7 @@ use signal_hook::flag;
 use std::error::Error;
 use std::fs::OpenOptions;
 use std::path::PathBuf;
+use std::process::Command;
 use std::{
     cell::Cell,
     env,
@@ -23,9 +24,12 @@ use std::{
 #[derive(Parser)]
 #[command(author, version, about, long_about = None)]
 struct Cli {
-    #[arg(short, long)]
     /// List sources devices
+    #[arg(short, long)]
     list_devices: bool,
+    /// Toggle pause
+    #[arg(short, long)]
+    toggle_pause: bool,
 }
 
 fn main() -> Result<(), Box<dyn Error>> {
@@ -38,6 +42,16 @@ fn main() -> Result<(), Box<dyn Error>> {
         return Ok(());
     }
 
+    // Send pause signal
+    if cli.toggle_pause {
+        Command::new("killall")
+            .args(["-SIGUSR1", "push2talk"])
+            .spawn()
+            .expect("Can't pause push2talk");
+        println!("Toggle pause.");
+        return Ok(());
+    }
+
     // Ensure that only one instance run
     let lock_file = take_lock()?;
     if lock_file.try_lock_exclusive().is_err() {