Add Send and Sync to OwnedDisplayHandle (#4509)

winit-core/src/event_loop/mod.rs

@@ -176,11 +176,11 @@ pub trait EventLoopProxyProvider: Send + Sync + Debug {
 /// - A reference-counted pointer to the underlying type.
 #[derive(Clone)]
 pub struct OwnedDisplayHandle {
-    pub(crate) handle: Arc<dyn HasDisplayHandle>,
+    pub(crate) handle: Arc<dyn HasDisplayHandle + Send + Sync>,
 }
 
 impl OwnedDisplayHandle {
-    pub fn new(handle: Arc<dyn HasDisplayHandle>) -> Self {
+    pub fn new(handle: Arc<dyn HasDisplayHandle + Send + Sync>) -> Self {
         Self { handle }
     }
 }

winit/src/changelog/unreleased.md

@@ -45,6 +45,7 @@ changelog entry.
 - Add `keyboard` support for OpenHarmony.
 - On iOS, add Apple Pencil support with force, altitude, and azimuth data.
 - On Redox, add support for missing keyboard scancodes.
+- Implement `Send` and `Sync` for `OwnedDisplayHandle`.
 
 ### Changed
 

winit/tests/send_objects.rs

@@ -28,3 +28,8 @@ fn custom_cursor_send() {
     needs_send::<winit::cursor::CustomCursorSource>();
     needs_send::<winit::cursor::CustomCursor>();
 }
+
+#[test]
+fn owned_display_handle_send() {
+    needs_send::<winit::event_loop::OwnedDisplayHandle>();
+}

winit/tests/sync_object.rs

@@ -21,3 +21,8 @@ fn custom_cursor_sync() {
     needs_sync::<winit::cursor::CustomCursorSource>();
     needs_sync::<winit::cursor::CustomCursor>();
 }
+
+#[test]
+fn owned_display_handle_sync() {
+    needs_sync::<winit::event_loop::OwnedDisplayHandle>();
+}