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WIP

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This commit is contained in:
Antonio Scandurra 2023-10-21 18:21:14 +02:00
parent b7d30fca2b
commit aa3fb28f81
9 changed files with 161 additions and 42 deletions
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28
crates/gpui2/src/gpui2.rs
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@ -70,6 +70,8 @@ pub trait Context {
type EntityContext<'a, 'w, T: 'static + Send + Sync>;
type Result<T>;
fn refresh(&mut self) -> Self::Result<()>;
fn entity<T: Send + Sync + 'static>(
&mut self,
build_entity: impl FnOnce(&mut Self::EntityContext<'_, '_, T>) -> T,
@ -85,6 +87,13 @@ pub trait Context {
&self,
read: impl FnOnce(&G, &Self::BorrowedContext<'_, '_>) -> R,
) -> Self::Result<R>;
fn update_global<G, R>(
&mut self,
f: impl FnOnce(&mut G, &mut Self::BorrowedContext<'_, '_>) -> R,
) -> Self::Result<R>
where
G: 'static + Send + Sync;
}
pub enum GlobalKey {
@ -115,6 +124,10 @@ impl<C: Context> Context for MainThread<C> {
type EntityContext<'a, 'w, T: 'static + Send + Sync> = MainThread<C::EntityContext<'a, 'w, T>>;
type Result<T> = C::Result<T>;
fn refresh(&mut self) -> Self::Result<()> {
self.0.refresh()
}
fn entity<T: Send + Sync + 'static>(
&mut self,
build_entity: impl FnOnce(&mut Self::EntityContext<'_, '_, T>) -> T,
@ -160,6 +173,21 @@ impl<C: Context> Context for MainThread<C> {
read(global, cx)
})
}
fn update_global<G: 'static + Send + Sync, R>(
&mut self,
update: impl FnOnce(&mut G, &mut Self::BorrowedContext<'_, '_>) -> R,
) -> Self::Result<R> {
self.0.update_global(|global, cx| {
let cx = unsafe {
mem::transmute::<
&mut C::BorrowedContext<'_, '_>,
&mut MainThread<C::BorrowedContext<'_, '_>>,
>(cx)
};
update(global, cx)
})
}
}
pub trait BorrowAppContext {