fn main() {
    tauri::Builder::default()
        .plugin(tauri_nspanel::init())
        .run(tauri::generate_context!())
        .expect("error while running tauri application");
}

use tauri_nspanel::WindowExt;

// ...
let panel = window.to_panel().unwrap();

use tauri_nspanel::ManagerExt;

// ...

let my_panel = app_handle.get_panel("main");

use tauri_nspanel::{objc_id::Id, panel_delegate, ManagerExt, Panel, WindowExt};

// ...

// Define your handlers
// See, https://developer.apple.com/documentation/appkit/nswindowdelegate?language=objc
// for an exhaustive list of handlers.
//
// Example: to respond to windowWillBeginSheet:
// declare the function in snake case:
// fn window_will_begin_sheet(_: Panel) { }

fn window_did_become_key(_: Panel) {
  println!("[info]: panel becomes key window!");
}

fn window_did_resign_key(_: Panel) {
  println!("[info]: panel resigned from key window!");
}

// Use the `panel_delegate!()` macro to create your custom delegate
let delegate = panel_delegate!(MyPanelDelegate {
  window_did_become_key,
  window_did_resign_key
});

// Give the delegate a reference to your panel
delegate.set_panel(panel.to_owned());

// Set your panel's delegate
panel.set_delegate(delegate);