ratatui_kit/hooks/
use_context.rs

1use std::{
2    any::Any,
3    cell::{Ref, RefMut},
4};
5
6use super::Hooks;
7
8mod private {
9    pub trait Sealed {}
10
11    impl Sealed for crate::hooks::Hooks<'_, '_> {}
12}
13
14pub trait UseContext<'a>: private::Sealed {
15    fn use_context<T: Any>(&self) -> Ref<'a, T>;
16    fn use_context_mut<T: Any>(&self) -> RefMut<'a, T>;
17
18    fn try_use_context<T: Any>(&self) -> Option<Ref<'a, T>>;
19    fn try_use_context_mut<T: Any>(&self) -> Option<RefMut<'a, T>>;
20}
21
22impl<'a> UseContext<'a> for Hooks<'a, '_> {
23    fn use_context<T: Any>(&self) -> Ref<'a, T> {
24        self.context
25            .expect("context not available")
26            .get_context()
27            .expect("context not found")
28    }
29
30    fn use_context_mut<T: Any>(&self) -> RefMut<'a, T> {
31        self.context
32            .expect("context not available")
33            .get_context_mut()
34            .expect("context not found")
35    }
36
37    fn try_use_context<T: Any>(&self) -> Option<Ref<'a, T>> {
38        self.context
39            .and_then(|context_stack| context_stack.get_context())
40    }
41
42    fn try_use_context_mut<T: Any>(&self) -> Option<RefMut<'a, T>> {
43        self.context
44            .and_then(|context_stack| context_stack.get_context_mut())
45    }
46}
ratatui_kit/hooks/use_context.rs

ratatui_kit/hooks/
use_context.rs
