change tray menu text when toggling visibility

src-tauri/src/app.rs

@@ -31,8 +31,8 @@ pub static APP: OnceCell<AppHandle> = OnceCell::new();
 pub fn run() -> tauri::Result<()> {
     tauri::Builder::default()
         .plugin(tauri_plugin_single_instance::init(|app, _argv, _cwd| {
-            app.get_window("main")
-                .map(|w| w.show().error_popup("Failed to show main window"));
+            show_main_window(app)
+                .error_popup("Failed to show main window");
         }))
         .system_tray(tray::create())
         .on_system_tray_event(tray::handle_event)
@@ -49,9 +49,9 @@ pub fn run() -> tauri::Result<()> {
         .setup(|app| rt::block_on(setup(app)))
         .build(tauri::generate_context!())?
         .run(|app, run_event| match run_event {
-            tauri::RunEvent::WindowEvent { label, event, .. } => match event {
+            tauri::RunEvent::WindowEvent { event, .. } => match event {
                 tauri::WindowEvent::CloseRequested { api, .. } => {
-                    let _ = app.get_window(&label).map(|w| w.hide());
+                    let _ = hide_main_window(app);
                     api.prevent_close();
                 }
                 _ => ()
@@ -114,12 +114,41 @@ async fn setup(app: &mut App) -> Result<(), Box<dyn Error>> {
 
     // if session is empty, this is probably the first launch, so don't autohide
     if !conf.start_minimized || is_first_launch {
-        app.get_window("main")
-            .ok_or(HandlerError::NoMainWindow)?
-            .show()?;
+        show_main_window(&app.handle())?;
     }
 
     let state = AppState::new(conf, session, pool, setup_errors, desktop_is_gnome);
     app.manage(state);
     Ok(())
 }
+
+
+pub fn show_main_window(app: &AppHandle) -> Result<(), WindowError> {
+    let w = app.get_window("main").ok_or(WindowError::NoMainWindow)?;
+    w.show()?;
+    app.tray_handle()
+        .get_item("show_hide")
+        .set_title("Hide")?;
+    Ok(())
+}
+
+
+pub fn hide_main_window(app: &AppHandle) -> Result<(), WindowError> {
+    let w = app.get_window("main").ok_or(WindowError::NoMainWindow)?;
+    w.hide()?;
+    app.tray_handle()
+        .get_item("show_hide")
+        .set_title("Show")?;
+    Ok(())
+}
+
+
+pub fn toggle_main_window(app: &AppHandle) -> Result<(), WindowError> {
+    let w = app.get_window("main").ok_or(WindowError::NoMainWindow)?;
+    if w.is_visible()? {
+        hide_main_window(app)
+    }
+    else {
+        show_main_window(app)
+    }
+}