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Don't allow event loops to run in parallel

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dAxpeDDa 2023-06-25 12:03:22 +02:00 • committed by daxpedda
parent 924f3323b5
commit b0106898f7
3 changed files with 19 additions and 11 deletions
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18
src/platform_impl/web/event_loop/mod.rs
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@ -8,9 +8,7 @@ pub use self::window_target::EventLoopWindowTarget;
use super::{backend, device, window};
use crate::event::Event;
use crate::event_loop::{
ControlFlow, EventLoopBuilder, EventLoopWindowTarget as RootEventLoopWindowTarget,
};
use crate::event_loop::{ControlFlow, EventLoopWindowTarget as RootEventLoopWindowTarget};
use std::marker::PhantomData;
@ -35,7 +33,7 @@ impl<T> EventLoop<T> {
where
F: 'static + FnMut(Event<'_, T>, &RootEventLoopWindowTarget<T>, &mut ControlFlow),
{
self.spawn_inner(event_handler);
self.spawn_inner(event_handler, false);
// 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 '!'
@ -50,11 +48,10 @@ impl<T> EventLoop<T> {
where
F: 'static + FnMut(Event<'_, T>, &RootEventLoopWindowTarget<T>, &mut ControlFlow),
{
EventLoopBuilder::<T>::allow_event_loop_recreation();
self.spawn_inner(event_handler);
self.spawn_inner(event_handler, true);
}
fn spawn_inner<F>(self, mut event_handler: F)
fn spawn_inner<F>(self, mut event_handler: F, event_loop_recreation: bool)
where
F: 'static + FnMut(Event<'_, T>, &RootEventLoopWindowTarget<T>, &mut ControlFlow),
{
@ -63,9 +60,10 @@ impl<T> EventLoop<T> {
_marker: PhantomData,
};
self.elw.p.run(Box::new(move |event, flow| {
event_handler(event, &target, flow)
}));
self.elw.p.run(
Box::new(move |event, flow| event_handler(event, &target, flow)),
event_loop_recreation,
);
}
pub fn create_proxy(&self) -> EventLoopProxy<T> {