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Allow recreating wasm event loop with spawn (#2897)

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Josh Groves 2023-06-23 15:01:42 -02:30 • committed by GitHub
parent 864a1d5924
commit bc216b8f67
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 29 additions and 6 deletions
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16
src/platform_impl/web/event_loop/mod.rs
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@ -8,7 +8,9 @@ pub use self::window_target::EventLoopWindowTarget;
use super::{backend, device, window};
use crate::event::Event;
use crate::event_loop::{ControlFlow, EventLoopWindowTarget as RootEventLoopWindowTarget};
use crate::event_loop::{
ControlFlow, EventLoopBuilder, EventLoopWindowTarget as RootEventLoopWindowTarget,
};
use std::marker::PhantomData;
@ -33,7 +35,7 @@ impl<T> EventLoop<T> {
where
F: 'static + FnMut(Event<'_, T>, &RootEventLoopWindowTarget<T>, &mut ControlFlow),
{
self.spawn(event_handler);
self.spawn_inner(event_handler);
// Throw an exception to break out of Rust execution and use unreachable to tell the
// compiler this function won't return, giving it a return type of '!'
@ -44,7 +46,15 @@ impl<T> EventLoop<T> {
unreachable!();
}
pub fn spawn<F>(self, mut event_handler: F)
pub fn spawn<F>(self, event_handler: F)
where
F: 'static + FnMut(Event<'_, T>, &RootEventLoopWindowTarget<T>, &mut ControlFlow),
{
EventLoopBuilder::<T>::allow_event_loop_recreation();
self.spawn_inner(event_handler);
}
fn spawn_inner<F>(self, mut event_handler: F)
where
F: 'static + FnMut(Event<'_, T>, &RootEventLoopWindowTarget<T>, &mut ControlFlow),
{