Add tauri_plugin_single_instance

src-tauri/Cargo.lock

@@ -127,6 +127,30 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[package]]
+name = "async-executor"
+version = "1.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30ca9a001c1e8ba5149f91a74362376cc6bc5b919d92d988668657bd570bdcec"
+dependencies = [
+ "async-task",
+ "concurrent-queue",
+ "fastrand",
+ "futures-lite",
+ "slab",
+]
+
+[[package]]
+name = "async-fs"
+version = "2.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebcd09b382f40fcd159c2d695175b2ae620ffa5f3bd6f664131efff4e8b9e04a"
+dependencies = [
+ "async-lock",
+ "blocking",
+ "futures-lite",
+]
+
 [[package]]
 name = "async-io"
 version = "2.3.4"
@@ -3508,6 +3532,7 @@ dependencies = [
  "tauri-plugin-os",
  "tauri-plugin-process",
  "tauri-plugin-shell",
+ "tauri-plugin-single-instance",
  "tauri-plugin-updater",
  "tiktoken-rs",
  "url",
@@ -4519,6 +4544,21 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "tauri-plugin-single-instance"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a25ac834491d089699a2bc9266a662faf373c9f779f05a2235bc6e4d9e61769a"
+dependencies = [
+ "log",
+ "serde",
+ "serde_json",
+ "tauri",
+ "thiserror",
+ "windows-sys 0.59.0",
+ "zbus",
+]
+
 [[package]]
 name = "tauri-plugin-updater"
 version = "2.0.2"
@@ -5872,9 +5912,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7b8e3d6ae3342792a6cc2340e4394334c7402f3d793b390d2c5494a4032b3030"
 dependencies = [
  "async-broadcast",
+ "async-executor",
+ "async-fs",
+ "async-io",
+ "async-lock",
  "async-process",
  "async-recursion",
+ "async-task",
  "async-trait",
+ "blocking",
  "derivative",
  "enumflags2",
  "event-listener",

src-tauri/Cargo.toml

@@ -42,4 +42,5 @@ custom-protocol = ["tauri/custom-protocol"]
 # crate-type = ["staticlib", "cdylib", "rlib", "lib"]
 
 [target.'cfg(not(any(target_os = "android", target_os = "ios")))'.dependencies]
+tauri-plugin-single-instance = "2"
 tauri-plugin-updater = "2"

src-tauri/src/main.rs

@@ -10,10 +10,10 @@ use base64::{engine::general_purpose, Engine as _};
 use reqwest::header::{HeaderMap, HeaderName, HeaderValue};
 use serde_json::json;
 use serde_json::Value;
-use tauri::path::BaseDirectory;
 use std::collections::HashMap;
 use std::io::Write;
 use std::{path::Path, time::Duration};
+use tauri::path::BaseDirectory;
 use tauri::Manager;
 use tauri::{AppHandle, Emitter};
 
@@ -326,14 +326,13 @@ fn run_py_server(handle: tauri::AppHandle, py_path: String) {
     return;
 }
 
-
 #[tauri::command]
 async fn streamed_fetch(
     id: String,
     url: String,
     headers: String,
     body: String,
-    app: AppHandle
+    app: AppHandle,
 ) -> String {
     //parse headers
     let headers_json: Value = match serde_json::from_str(&headers) {
@@ -419,7 +418,6 @@ async fn streamed_fetch(
     }
 }
 
-
 use std::path::PathBuf;
 // Copyright 2019-2024 Tauri Programme within The Commons Conservancy
 // SPDX-License-Identifier: Apache-2.0
@@ -459,10 +457,21 @@ fn handle_file_associations(app: AppHandle, files: Vec<PathBuf>) {
         .initialization_script(&format!("window.tauriOpenedFiles = [{files}]"))
         .build()
         .unwrap();
-  }
+}
 
 fn main() {
-    tauri::Builder::default()
+    let mut builder = tauri::Builder::default();
+
+    #[cfg(desktop)]
+    {
+        builder = builder.plugin(tauri_plugin_single_instance::init(|app, args, cwd| {
+            let _ = app.get_webview_window("main")
+                       .expect("no main window")
+                       .set_focus();
+        }));
+    }
+
+    builder
         .plugin(tauri_plugin_http::init())
         .plugin(tauri_plugin_shell::init())
         .plugin(tauri_plugin_process::init())
@@ -530,7 +539,6 @@ fn main() {
                 }
             },
         );
-        
 }
 
 fn header_map_to_json(header_map: &HeaderMap) -> serde_json::Value {