chore: implement EventLoopProvider in each winit-* crate

winit-orbital/src/event_loop.rs

@@ -20,7 +20,7 @@ use winit_core::error::{EventLoopError, NotSupportedError, RequestError};
 use winit_core::event::{self, Ime, Modifiers, StartCause};
 use winit_core::event_loop::pump_events::PumpStatus;
 use winit_core::event_loop::{
-    ActiveEventLoop as RootActiveEventLoop, ControlFlow, DeviceEvents,
+    ActiveEventLoop as RootActiveEventLoop, ControlFlow, DeviceEvents, EventLoopProvider,
     EventLoopProxy as CoreEventLoopProxy, EventLoopProxyProvider,
     OwnedDisplayHandle as CoreOwnedDisplayHandle,
 };
@@ -734,6 +734,41 @@ impl EventLoop {
     }
 }
 
+impl EventLoopProvider for EventLoop {
+    fn run_app<A: ApplicationHandler + 'static>(
+        mut self,
+        mut app: A,
+    ) -> Result<(), EventLoopError> {
+        let result = self.run_app_on_demand(&mut app);
+        // SAFETY: unsure that the state is dropped before the exit from the event loop.
+        drop(app);
+        result
+    }
+
+    fn create_proxy(&self) -> CoreEventLoopProxy {
+        self.window_target().create_proxy()
+    }
+
+    fn owned_display_handle(&self) -> CoreOwnedDisplayHandle {
+        self.window_target().owned_display_handle()
+    }
+
+    fn listen_device_events(&self, allowed: DeviceEvents) {
+        self.window_target().listen_device_events(allowed);
+    }
+
+    fn set_control_flow(&self, control_flow: ControlFlow) {
+        self.window_target().set_control_flow(control_flow);
+    }
+
+    fn create_custom_cursor(
+        &self,
+        custom_cursor: CustomCursorSource,
+    ) -> Result<CustomCursor, RequestError> {
+        self.window_target().create_custom_cursor(custom_cursor)
+    }
+}
+
 #[derive(Debug)]
 pub struct EventLoopProxy {
     user_events_sender: mpsc::SyncSender<()>,