Tauri MacOS tray app

main.rs

#![cfg_attr(
    all(not(debug_assertions), target_os = "windows"),
    windows_subsystem = "windows"
)]

// Learn more about Tauri commands at https://tauri.app/v1/guides/features/command
#[tauri::command]
fn sync(name: &str) -> String {
    format!("Hello, {}! You've been greeted from Rust!", name)
}

// tray
use tauri::{SystemTray, CustomMenuItem, SystemTrayMenu, SystemTrayMenuItem, SystemTrayEvent, Manager, Position, PhysicalPosition, WindowEvent};

fn main() {

    let tray_menu = SystemTrayMenu::new()
        .add_item(CustomMenuItem::new("clear", "Clear completed"))
        .add_item(CustomMenuItem::new("version", "Beta 0.0.10").disabled())
        .add_item(CustomMenuItem::new("settings", "Settings…"))
        .add_native_item(SystemTrayMenuItem::Separator)
        .add_item(CustomMenuItem::new("reset", "Reset list"))
        .add_native_item(SystemTrayMenuItem::Separator)
        .add_item(CustomMenuItem::new("update", "Check for updates…"))
        .add_native_item(SystemTrayMenuItem::Separator)
        .add_item(CustomMenuItem::new("quit", "Quit"));

    let system_tray = SystemTray::new()
        .with_menu(tray_menu);

    tauri::Builder::default()
        .system_tray(system_tray)
        .on_system_tray_event(|app, event| match event {
            
            //
            // Handle menu item interaction
            //
            SystemTrayEvent::MenuItemClick { id, .. } => {
                match id.as_str() {
                  // Clicked on Quit button
                  "quit" => {
                    std::process::exit(0);
                  }
                  // Clicked on Clear button
                  "clear" => {
                    print!("HIDE")
                  }
                  // Clicked on Settings button
                  "settings" => {
                    print!("RESET")
                  }
                  // Clicked on Reset button
                  "reset" => {
                    print!("RESET")
                  }
                  // Clicked on Update button
                  "update" => {
                    print!("RESET")
                  }

                  // else do nothing
                  _ => {}
                }
            }

            //
            // Handle system tray interaction
            //
            SystemTrayEvent::LeftClick {
                position,
                size,
                ..
              } => {

                let window = app.get_window("main").unwrap();

                if window.is_visible().unwrap() {
                    window.hide().unwrap();
                }
                else {
                    let icon_width = size.width as i32;

                    let window_size = window.outer_size().unwrap();
                    let window_width = window_size.width as i32;

                    let tray_icon_x = position.x as i32;

                    let window_position = PhysicalPosition {
                        x: (tray_icon_x + (icon_width / 2)) - (window_width / 2),
                        y: 0
                    };

                    window.set_position(Position::Physical(window_position)).unwrap();

                    window.show().unwrap();
                    
                    window.set_focus().unwrap();
                }
              }

              // else do nothing
              _ => {}

        })
        .on_window_event(|event| match event.event() {
            // Hide window when clicked outside
            WindowEvent::Focused(false) => {
                event.window().hide().unwrap();
            }

            // else do nothing
            _ => {}
        })
        .invoke_handler(tauri::generate_handler![sync])
        .run(tauri::generate_context!())
        .expect("error while running tauri application");
    
}

tauri.conf.json

{
    "build": {
        "beforeDevCommand": "",
        "beforeBuildCommand": "",
        "devPath": "../src",
        "distDir": "../src",
        "withGlobalTauri": true
    },
    "package": {
        "productName": "hotlist-tauri",
        "version": "0.0.0"
    },
    "tauri": {
        "allowlist": {
            "all": false,
            "shell": {
                "all": false,
                "open": true
            }
        },
        "bundle": {
            "active": true,
            "category": "DeveloperTool",
            "copyright": "",
            "deb": {
                "depends": []
            },
            "externalBin": [],
            "icon": [
                "icons/32x32.png",
                "icons/128x128.png",
                "icons/128x128@2x.png",
                "icons/icon.icns",
                "icons/icon.ico"
            ],
            "identifier": "com.tauri.dev",
            "longDescription": "",
            "macOS": {
                "entitlements": null,
                "exceptionDomain": "",
                "frameworks": [],
                "providerShortName": null,
                "signingIdentity": null
            },
            "resources": [],
            "shortDescription": "",
            "targets": "all",
            "windows": {
                "certificateThumbprint": null,
                "digestAlgorithm": "sha256",
                "timestampUrl": ""
            }
        },
        "security": {
            "csp": null
        },
        "updater": {
            "active": false
        },
        "macOSPrivateApi": true,
        "windows": [
            {
                "width": 400,
                "height": 400,
                "title": "Hotlist",
                "hiddenTitle": true,
                "visible": false,
                "focus": false,
                "fullscreen": false,
                "resizable": false,
                "fileDropEnabled": false,
                "alwaysOnTop": false,
                "decorations": false,
                "transparent": true
            }
        ],
        "systemTray": {
            "iconPath": "icons/icon.png",
            "iconAsTemplate": true,
            "menuOnLeftClick": false
        }
    }
}