Method new

aspen/src/application.rs:31–60

(root_constructor: F)

impl<Root: Element> Application<Root> {
    pub fn new<F>(root_constructor: F) -> Self
        where F: for<'a> FnOnce(&mut Context<'a>) -> ElementPointer<Root>,
    {
        let event_state = EventState::new();
        let shaper = RefCell::new(Shaper::new());
        let states = RefCell::new(HashMap::new());
        let focused_element = RefCell::new(None);
        let base_token = Token::new::<Self>();

        let root = {
            let tokens = Vec::new();
            let mut context = Context::new(&event_state, &shaper, &states, &focused_element, base_token, &tokens);
            RefCell::new(root_constructor(&mut context))
        };

        Application {
            mouse_region_manager: RefCell::new(MouseRegionManager::new()),
            event_state,
            shaper,

            regions: RefCell::new(HashMap::new()),
            states,
            tokens: Arc::new(Vec::new()),
            focused_element,
            base_token,
            force_redraw: false,

            root
        }
    }

    pub fn token(&self) -> Token {
        self.root.borrow().token()