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Draft component example 🎉

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Héctor Ramón Jiménez 2021-11-08 15:29:58 +07:00
parent bffa7203df
commit 010b62b9ee
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4 changed files with 200 additions and 5 deletions
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13
lazy/src/component.rs
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@ -11,10 +11,12 @@ use ouroboros::self_referencing;
use std::marker::PhantomData;
pub fn view<'a, Event, Message, Renderer>(
component: &'a mut dyn Component<Message, Renderer, Event = Event>,
component: Box<dyn Component<Message, Renderer, Event = Event> + 'a>,
) -> Element<'a, Message, Renderer>
where
Renderer: iced_native::Renderer,
Message: 'a,
Event: 'a,
Renderer: iced_native::Renderer + 'a,
{
Element::new(Instance {
state: Some(
@ -43,8 +45,8 @@ struct Instance<'a, Message, Renderer, Event> {
}
#[self_referencing]
struct State<'a, Message, Renderer, Event> {
component: &'a mut dyn Component<Message, Renderer, Event = Event>,
struct State<'a, Message: 'a, Renderer: 'a, Event: 'a> {
component: Box<dyn Component<Message, Renderer, Event = Event> + 'a>,
#[borrows(mut component)]
#[covariant]
@ -106,7 +108,8 @@ where
});
if !local_messages.is_empty() {
let component = self.state.take().unwrap().into_heads().component;
let mut component =
self.state.take().unwrap().into_heads().component;
messages.extend(
local_messages