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https://github.com/DioxusLabs/dioxus
synced 2024-11-26 22:20:19 +00:00
wip: add use_callback hook
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parent
6c677e64da
commit
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4 changed files with 62 additions and 6 deletions
20
examples/callback.rs
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20
examples/callback.rs
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@ -0,0 +1,20 @@
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use std::rc::Rc;
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use dioxus::prelude::*;
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fn main() {
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dioxus_desktop::launch(app);
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}
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fn app(cx: Scope) -> Element {
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let login = use_callback!(cx, || |evt| async {
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//
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});
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cx.render(rsx! {
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button {
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onclick: login,
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"Click me!"
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}
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})
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}
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@ -1,5 +1,5 @@
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use dioxus::prelude::*;
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use std::collections::HashMap;
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use std::{collections::HashMap, marker::PhantomData};
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fn main() {
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dioxus_desktop::launch(|cx| {
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@ -65,7 +65,7 @@ async fn breed_pic(cx: Scope, breed: String) -> Element {
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});
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match fut.await {
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Ok(resp) => cx.render(rsx! {
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Ok(resp) => render! {
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div {
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button {
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onclick: move |_| fut.restart(),
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@ -77,7 +77,7 @@ async fn breed_pic(cx: Scope, breed: String) -> Element {
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max_height: "500px",
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}
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}
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}),
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Err(_) => cx.render(rsx! { div { "loading dogs failed" } }),
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},
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Err(_) => render! { div { "loading dogs failed" } },
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}
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}
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@ -19,5 +19,5 @@ pub use usefuture::*;
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mod useeffect;
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pub use useeffect::*;
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// mod usesuspense;
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// pub use usesuspense::*;
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mod usecallback;
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pub use usecallback::*;
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36
packages/hooks/src/usecallback.rs
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36
packages/hooks/src/usecallback.rs
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@ -0,0 +1,36 @@
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use std::rc::Rc;
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use dioxus_core::{prelude::EventHandler, ScopeState};
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use std::future::Future;
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#[macro_export]
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macro_rules! use_callback {
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($cx:ident, || || $($rest:tt)*) => { use_callback( $cx, (), |_| $($rest)* ) };
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($cx:ident, || |$myarg:ident| $($rest:tt)*) => {
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use_callback(
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$cx,
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|| |$myarg| async {}
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)
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};
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}
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pub fn use_callback<'a, T, R, F>(cx: &'a ScopeState, make: impl FnOnce() -> R) -> impl FnMut(T) + 'a
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where
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R: FnMut(T) -> F + 'static,
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F: Future<Output = ()> + 'static,
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{
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let mut hook = make();
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move |evt| cx.spawn(hook(evt))
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}
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fn it_works(cx: &ScopeState) {
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let p = use_callback(cx, || {
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|()| async {
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//
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}
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});
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// let p = use_callback!(cx, || |evt| async {
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// //
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// });
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}
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