全局单例+OCR fallback

Author: timechess

src-tauri/Cargo.lock

@@ -29,6 +29,7 @@ tokio = { version = "1", features = ["rt-multi-thread", "time"] }
 tauri-plugin-dialog = "2"
 tauri-plugin-fs = "2"
 similar = "2.7"
+pdf-extract = "0.10.0"
 
 [dependencies.tauri-plugin-sql]
 features = ["sqlite"]
@@ -66,3 +67,6 @@ needless_pass_by_value = "warn"
 # Style (warn)
 missing_errors_doc = "warn"
 missing_panics_doc = "warn"
+
+[target.'cfg(not(any(target_os = "android", target_os = "ios")))'.dependencies]
+tauri-plugin-single-instance = "2"

src-tauri/Cargo.toml

@@ -45,6 +45,12 @@ pub fn run() {
   }];
 
   let builder = tauri::Builder::default()
+    .plugin(tauri_plugin_single_instance::init(|app, _, _| {
+      let _ = app
+        .get_webview_window("main")
+        .expect("no main window")
+        .set_focus();
+    }))
     .plugin(tauri_plugin_fs::init())
     .plugin(tauri_plugin_dialog::init())
     .plugin(tauri_plugin_opener::init())