AgentSkillsCN

adding-tauri-system-tray

引导用户实现Tauri系统托盘功能,包括托盘图标设置、托盘菜单创建、托盘事件处理,以及在通知区域中实时更新托盘内容。

SKILL.md
--- frontmatter
name: adding-tauri-system-tray
description: Guides the user through implementing Tauri system tray functionality, including tray icon setup, tray menu creation, handling tray events, and updating the tray at runtime in the notification area.

Tauri System Tray Implementation

This skill covers implementing system tray (notification area) functionality in Tauri v2 applications.

Configuration

Enable the tray-icon feature in src-tauri/Cargo.toml:

toml
[dependencies]
tauri = { version = "2", features = ["tray-icon"] }

Basic Tray Setup

Create a tray icon in src-tauri/src/lib.rs:

rust
use tauri::tray::TrayIconBuilder;

#[cfg_attr(mobile, tauri::mobile_entry_point)]
pub fn run() {
    tauri::Builder::default()
        .setup(|app| {
            // Use TrayIconBuilder::with_id() to reference the tray later
            let tray = TrayIconBuilder::with_id(app, "main-tray")
                .icon(app.default_window_icon().unwrap().clone())
                .tooltip("My Tauri App")
                .build(app)?;
            Ok(())
        })
        .run(tauri::generate_context!())
        .expect("error while running tauri application");
}

Tray Menu

Basic Menu with Items

rust
use tauri::{
    menu::{Menu, MenuItem},
    tray::TrayIconBuilder,
};

#[cfg_attr(mobile, tauri::mobile_entry_point)]
pub fn run() {
    tauri::Builder::default()
        .setup(|app| {
            let show_item = MenuItem::with_id(app, "show", "Show Window", true, None::<&str>)?;
            let hide_item = MenuItem::with_id(app, "hide", "Hide Window", true, None::<&str>)?;
            let quit_item = MenuItem::with_id(app, "quit", "Quit", true, None::<&str>)?;

            let menu = Menu::with_items(app, &[&show_item, &hide_item, &quit_item])?;

            let tray = TrayIconBuilder::new()
                .icon(app.default_window_icon().unwrap().clone())
                .menu(&menu)
                .menu_on_left_click(false)  // Only show menu on right-click
                .build(app)?;

            Ok(())
        })
        .run(tauri::generate_context!())
        .expect("error while running tauri application");
}

Menu with Separators and Submenus

rust
use tauri::{
    menu::{Menu, MenuItem, PredefinedMenuItem, Submenu},
    tray::TrayIconBuilder,
};

#[cfg_attr(mobile, tauri::mobile_entry_point)]
pub fn run() {
    tauri::Builder::default()
        .setup(|app| {
            let option1 = MenuItem::with_id(app, "option1", "Option 1", true, None::<&str>)?;
            let option2 = MenuItem::with_id(app, "option2", "Option 2", true, None::<&str>)?;
            let options_submenu = Submenu::with_items(app, "Options", true, &[&option1, &option2])?;

            let show_item = MenuItem::with_id(app, "show", "Show Window", true, None::<&str>)?;
            let separator = PredefinedMenuItem::separator(app)?;
            let quit_item = MenuItem::with_id(app, "quit", "Quit", true, None::<&str>)?;

            let menu = Menu::with_items(
                app,
                &[&show_item, &options_submenu, &separator, &quit_item],
            )?;

            let tray = TrayIconBuilder::new()
                .icon(app.default_window_icon().unwrap().clone())
                .menu(&menu)
                .build(app)?;

            Ok(())
        })
        .run(tauri::generate_context!())
        .expect("error while running tauri application");
}

Handling Tray Events

Menu Item Events

rust
use tauri::{
    menu::{Menu, MenuItem},
    tray::TrayIconBuilder,
    Manager,
};

#[cfg_attr(mobile, tauri::mobile_entry_point)]
pub fn run() {
    tauri::Builder::default()
        .setup(|app| {
            let show_item = MenuItem::with_id(app, "show", "Show Window", true, None::<&str>)?;
            let hide_item = MenuItem::with_id(app, "hide", "Hide Window", true, None::<&str>)?;
            let quit_item = MenuItem::with_id(app, "quit", "Quit", true, None::<&str>)?;
            let menu = Menu::with_items(app, &[&show_item, &hide_item, &quit_item])?;

            let tray = TrayIconBuilder::new()
                .icon(app.default_window_icon().unwrap().clone())
                .menu(&menu)
                .on_menu_event(|app, event| {
                    match event.id.as_ref() {
                        "show" => {
                            if let Some(window) = app.get_webview_window("main") {
                                let _ = window.show();
                                let _ = window.set_focus();
                            }
                        }
                        "hide" => {
                            if let Some(window) = app.get_webview_window("main") {
                                let _ = window.hide();
                            }
                        }
                        "quit" => app.exit(0),
                        _ => println!("Unhandled menu item: {:?}", event.id),
                    }
                })
                .build(app)?;

            Ok(())
        })
        .run(tauri::generate_context!())
        .expect("error while running tauri application");
}

Tray Icon Mouse Events

rust
use tauri::{
    tray::{MouseButton, MouseButtonState, TrayIconBuilder, TrayIconEvent},
    Manager,
};

#[cfg_attr(mobile, tauri::mobile_entry_point)]
pub fn run() {
    tauri::Builder::default()
        .setup(|app| {
            let tray = TrayIconBuilder::new()
                .icon(app.default_window_icon().unwrap().clone())
                .on_tray_icon_event(|tray, event| {
                    match event {
                        TrayIconEvent::Click {
                            button: MouseButton::Left,
                            button_state: MouseButtonState::Up,
                            ..
                        } => {
                            let app = tray.app_handle();
                            if let Some(window) = app.get_webview_window("main") {
                                let _ = window.unminimize();
                                let _ = window.show();
                                let _ = window.set_focus();
                            }
                        }
                        TrayIconEvent::DoubleClick { button: MouseButton::Left, .. } => {
                            let app = tray.app_handle();
                            if let Some(window) = app.get_webview_window("main") {
                                if window.is_visible().unwrap_or(false) {
                                    let _ = window.hide();
                                } else {
                                    let _ = window.show();
                                    let _ = window.set_focus();
                                }
                            }
                        }
                        TrayIconEvent::Enter { .. } => println!("Mouse entered tray"),
                        TrayIconEvent::Leave { .. } => println!("Mouse left tray"),
                        _ => {}
                    }
                })
                .build(app)?;

            Ok(())
        })
        .run(tauri::generate_context!())
        .expect("error while running tauri application");
}

Note: Enter, Move, and Leave events are not supported on Linux.

Updating Tray at Runtime

Update Icon and Tooltip

rust
use tauri::{image::Image, tray::TrayIconBuilder, Manager};

#[tauri::command]
fn update_tray_icon(app: tauri::AppHandle, icon_path: String) -> Result<(), String> {
    if let Some(tray) = app.tray_by_id("main-tray") {
        let icon = Image::from_path(&icon_path).map_err(|e| e.to_string())?;
        tray.set_icon(Some(icon)).map_err(|e| e.to_string())?;
    }
    Ok(())
}

#[tauri::command]
fn update_tray_tooltip(app: tauri::AppHandle, tooltip: String) -> Result<(), String> {
    if let Some(tray) = app.tray_by_id("main-tray") {
        tray.set_tooltip(Some(&tooltip)).map_err(|e| e.to_string())?;
    }
    Ok(())
}

Update Menu Items Dynamically

rust
use std::sync::Mutex;
use tauri::{
    menu::{Menu, MenuItem, MenuItemKind},
    tray::TrayIconBuilder,
    Manager,
};

struct AppState {
    menu: Mutex<Option<Menu<tauri::Wry>>>,
}

#[tauri::command]
fn toggle_menu_item(app: tauri::AppHandle, item_id: String, enabled: bool) -> Result<(), String> {
    let state = app.state::<AppState>();
    if let Some(menu) = state.menu.lock().unwrap().as_ref() {
        if let Some(MenuItemKind::MenuItem(item)) = menu.get(&item_id) {
            item.set_enabled(enabled).map_err(|e| e.to_string())?;
        }
    }
    Ok(())
}

#[tauri::command]
fn update_menu_text(app: tauri::AppHandle, item_id: String, text: String) -> Result<(), String> {
    let state = app.state::<AppState>();
    if let Some(menu) = state.menu.lock().unwrap().as_ref() {
        if let Some(MenuItemKind::MenuItem(item)) = menu.get(&item_id) {
            item.set_text(&text).map_err(|e| e.to_string())?;
        }
    }
    Ok(())
}

Replace Entire Menu

rust
use tauri::{menu::{Menu, MenuItem}, Manager};

#[tauri::command]
fn set_connected_menu(app: tauri::AppHandle) -> Result<(), String> {
    if let Some(tray) = app.tray_by_id("main-tray") {
        let disconnect = MenuItem::with_id(&app, "disconnect", "Disconnect", true, None::<&str>)
            .map_err(|e| e.to_string())?;
        let status = MenuItem::with_id(&app, "status", "Connected", false, None::<&str>)
            .map_err(|e| e.to_string())?;
        let quit = MenuItem::with_id(&app, "quit", "Quit", true, None::<&str>)
            .map_err(|e| e.to_string())?;

        let menu = Menu::with_items(&app, &[&status, &disconnect, &quit])
            .map_err(|e| e.to_string())?;
        tray.set_menu(Some(menu)).map_err(|e| e.to_string())?;
    }
    Ok(())
}

Complete Example

rust
use std::sync::Mutex;
use tauri::{
    menu::{Menu, MenuItem, PredefinedMenuItem},
    tray::{MouseButton, MouseButtonState, TrayIconBuilder, TrayIconEvent},
    Manager,
};

struct TrayState {
    is_paused: Mutex<bool>,
}

#[tauri::command]
fn get_tray_status(state: tauri::State<TrayState>) -> bool {
    *state.is_paused.lock().unwrap()
}

#[cfg_attr(mobile, tauri::mobile_entry_point)]
pub fn run() {
    tauri::Builder::default()
        .manage(TrayState { is_paused: Mutex::new(false) })
        .setup(|app| {
            let show = MenuItem::with_id(app, "show", "Show Window", true, None::<&str>)?;
            let hide = MenuItem::with_id(app, "hide", "Hide Window", true, None::<&str>)?;
            let sep = PredefinedMenuItem::separator(app)?;
            let pause = MenuItem::with_id(app, "pause", "Pause", true, None::<&str>)?;
            let quit = MenuItem::with_id(app, "quit", "Quit", true, None::<&str>)?;

            let menu = Menu::with_items(app, &[&show, &hide, &sep, &pause, &quit])?;

            let _tray = TrayIconBuilder::with_id(app, "main-tray")
                .icon(app.default_window_icon().unwrap().clone())
                .tooltip("My Tauri App - Running")
                .menu(&menu)
                .menu_on_left_click(false)
                .on_menu_event(|app, event| {
                    match event.id.as_ref() {
                        "show" => {
                            if let Some(w) = app.get_webview_window("main") {
                                let _ = w.show();
                                let _ = w.set_focus();
                            }
                        }
                        "hide" => {
                            if let Some(w) = app.get_webview_window("main") {
                                let _ = w.hide();
                            }
                        }
                        "pause" => {
                            let state = app.state::<TrayState>();
                            let mut paused = state.is_paused.lock().unwrap();
                            *paused = !*paused;
                            if let Some(tray) = app.tray_by_id("main-tray") {
                                let tip = if *paused { "Paused" } else { "Running" };
                                let _ = tray.set_tooltip(Some(tip));
                            }
                        }
                        "quit" => app.exit(0),
                        _ => {}
                    }
                })
                .on_tray_icon_event(|tray, event| {
                    if let TrayIconEvent::Click {
                        button: MouseButton::Left,
                        button_state: MouseButtonState::Up, ..
                    } = event {
                        let app = tray.app_handle();
                        if let Some(w) = app.get_webview_window("main") {
                            if w.is_visible().unwrap_or(false) {
                                let _ = w.hide();
                            } else {
                                let _ = w.show();
                                let _ = w.set_focus();
                            }
                        }
                    }
                })
                .build(app)?;

            Ok(())
        })
        .invoke_handler(tauri::generate_handler![get_tray_status])
        .run(tauri::generate_context!())
        .expect("error while running tauri application");
}

Platform Notes

PlatformSupport
WindowsFull support for all tray events
macOSFull support for all tray events
LinuxEnter, Move, Leave events not supported

Troubleshooting

Tray icon not appearing:

  • Ensure tray-icon feature is enabled in Cargo.toml
  • Verify the icon is valid and accessible
  • Check that build() is called and result is stored

Menu not showing:

  • Confirm menu is attached with .menu(&menu)
  • Check menu_on_left_click setting
  • Verify menu items are created correctly

Events not firing:

  • Ensure event handlers are attached before build()
  • Check pattern matching in event handlers
  • Verify tray ID matches when using tray_by_id()