Move ControlFlow to EventLoopWindowTarget

Fixes #3042.

src/platform_impl/linux/wayland/output.rs

@@ -4,6 +4,7 @@ use sctk::reexports::client::Proxy;
 use sctk::output::OutputData;
 
 use crate::dpi::{PhysicalPosition, PhysicalSize};
+use crate::event_loop::ControlFlow;
 use crate::platform_impl::platform::VideoMode as PlatformVideoMode;
 
 use super::event_loop::EventLoopWindowTarget;
@@ -23,6 +24,30 @@ impl<T> EventLoopWindowTarget<T> {
         // There's no primary monitor on Wayland.
         None
     }
+
+    pub(crate) fn set_control_flow(&self, control_flow: ControlFlow) {
+        self.control_flow.set(control_flow)
+    }
+
+    pub(crate) fn control_flow(&self) -> ControlFlow {
+        self.control_flow.get()
+    }
+
+    pub(crate) fn exit(&self) {
+        self.exit.set(Some(0))
+    }
+
+    pub(crate) fn exiting(&self) -> bool {
+        self.exit.get().is_some()
+    }
+
+    pub(crate) fn set_exit_code(&self, code: i32) {
+        self.exit.set(Some(code))
+    }
+
+    pub(crate) fn exit_code(&self) -> Option<i32> {
+        self.exit.get()
+    }
 }
 
 #[derive(Clone, Debug)]