feat: implement ipc to retain single instance

Cargo.toml

@@ -12,6 +12,7 @@ arboard = { version = "3.4.0", features = ["wayland-data-control", "wl-clipboard
 chrono = "0.4.38"
 display-info = { version = "0.5.1"}
 iced = { version = "0.13", features = ["advanced", "canvas", "multi-window", "image", "tokio", "svg"] }
+interprocess = { version = "2.2.1", features = ["tokio"] }
 rdev = { git = "https://github.com/rustdesk-org/rdev", branch = "master"}
 rfd = { version = "0.14", features = ["gtk3", "tokio"], default-features = false }
 serde = { version = "1.0", features = ["derive"] }

src/main.rs

@@ -8,7 +8,7 @@ mod windows;
 
 use std::collections::BTreeMap;
 
-use assets::{FONT_BOLD, FONT_MEDIUM, ICON, MEDIUM};
+use assets::{APPNAME, FONT_BOLD, FONT_MEDIUM, ICON, MEDIUM};
 use entities::{
     app::{App, AppEvent},
     config::{Config, ConfigureWindow},
@@ -27,13 +27,19 @@ use iced::{
     },
     Size, Subscription, Task,
 };
+use interprocess::local_socket::{traits::Stream, GenericNamespaced, ToNsName};
 use style::Element;
 use utils::{
-    capture::{fullscreen::capture_fullscreen, window::capture_window},
-    key_listener::global_key_listener, tray_icon::{tray_icon, tray_icon_listener, tray_menu_listener},
+    capture::{fullscreen::capture_fullscreen, window::capture_window}, ipc::ipc, key_listener::global_key_listener, tray_icon::{tray_icon, tray_icon_listener, tray_menu_listener}
 };
 
 pub fn main() -> Result<(), iced::Error> {
+
+    let name = APPNAME.to_ns_name::<GenericNamespaced>().unwrap();
+
+    if let Ok(_) = interprocess::local_socket::Stream::connect(name) {
+        return Ok(())
+    };
     daemon(App::title, App::update, App::view)
         .font(FONT_MEDIUM)
         .font(FONT_BOLD)
@@ -92,7 +98,7 @@ impl App {
                                 ConfigureWindow::new(&self.config)
                             )
                         );
-                    open_task.discard()
+                    open_task.discard().chain(gain_focus(id))
                 } else {
                     Task::none()
                 }
@@ -204,6 +210,8 @@ impl App {
 
         let tray_menu_listener = Subscription::run(tray_menu_listener);
 
-        Subscription::batch([window_events, app_key_listener, global_key_listener, tray_icon_listener, tray_menu_listener])
+        let ipc = Subscription::run(ipc);
+
+        Subscription::batch([window_events, app_key_listener, global_key_listener, tray_icon_listener, tray_menu_listener, ipc])
     }
 }

src/utils/ipc.rs

@@ -0,0 +1,26 @@
+use iced::{futures::{SinkExt, Stream}, stream};
+use interprocess::local_socket::{traits::tokio::Listener, GenericNamespaced, ListenerOptions, ToNsName};
+
+use crate::{assets::APPNAME, entities::app::AppEvent};
+
+pub fn ipc() -> impl Stream<Item = AppEvent> {
+    stream::channel(
+        10,
+        |mut output| async move {
+
+            let name = APPNAME.to_ns_name::<GenericNamespaced>().unwrap();
+
+            let listner_opts = ListenerOptions::new().name(name);
+
+            let listener = listner_opts.create_tokio().unwrap();
+
+
+            loop {
+                if let Ok(_stream) = listener.accept().await {
+                    output.send(AppEvent::OpenConfigureWindow).await.unwrap();
+                }
+            }
+
+        }
+    )
+}

src/utils/mod.rs

@@ -4,6 +4,7 @@ use iced::Point;
 
 pub mod capture;
 pub mod config;
+pub mod ipc;
 pub mod key_listener;
 pub mod tray_icon;