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Change run_app(app: &mut A) to run_app(app: A) (#3721)

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This allows the user more control over how they pass their application state
to Winit, and will hopefully allow `Drop` implementations on the application
handler to work in the future on all platforms.
This commit is contained in:
Mads Marquart 2024-07-11 15:38:09 +02:00 • committed by GitHub
parent d5fd8682eb
commit bf97def398
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17 changed files with 53 additions and 59 deletions
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5
src/platform_impl/web/event_loop/mod.rs
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@ -28,11 +28,12 @@ impl EventLoop {
Ok(EventLoop { elw })
}
pub fn run_app<A: ApplicationHandler>(self, app: &mut A) -> ! {
pub fn run_app<A: ApplicationHandler>(self, mut app: A) -> ! {
let target = RootActiveEventLoop { p: self.elw.p.clone(), _marker: PhantomData };
// SAFETY: Don't use `move` to make sure we leak the `event_handler` and `target`.
let handler: Box<dyn FnMut(Event)> = Box::new(|event| handle_event(app, &target, event));
let handler: Box<dyn FnMut(Event)> =
Box::new(|event| handle_event(&mut app, &target, event));
// SAFETY: The `transmute` is necessary because `run()` requires `'static`. This is safe
// because this function will never return and all resources not cleaned up by the point we