ratatui-reactive 0.3.1

A minimalistic framework for building TUI applications using fine-grained reactivity.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45

use crate::{Render, Runtime, delayed_signal};
use ratatui::buffer::Buffer;
use ratatui::layout::Rect;
use std::fmt::Debug;
use std::rc::Rc;
use sycamore_reactive::{Signal, create_memo, provide_context, use_context};

#[derive(Debug, Clone)]
pub struct Router<R: 'static> {
    runtime: Runtime,
    route: Signal<R>,
}

#[derive(Clone)]
pub struct Route {
    inner: Rc<dyn Render>,
}

impl Route {
    pub fn new<R: Render + 'static>(route: R) -> Self {
        Self {
            inner: Rc::new(route),
        }
    }
}

pub fn provide_router<R: 'static + Clone + Default + Debug>(
    mut mapping: impl FnMut(R) -> Route + 'static,
) -> impl Render {
    let runtime = use_context::<Runtime>();
    let (route, delayed_route) = delayed_signal(R::default());
    let router = Router { runtime, route };
    provide_context(router);
    let component = create_memo(move || mapping(delayed_route.get_clone()));
    move |area: Rect, buf: &mut Buffer| {
        component.get_clone().inner.render(area, buf);
    }
}

impl<R> Router<R> {
    pub fn goto(&self, route: R) {
        self.route.set(route);
        self.runtime.request_draw();
    }
}