fixup linux build

window/src/os/wayland/window.rs

@@ -14,6 +14,7 @@ use config::ConfigHandle;
 use filedescriptor::FileDescriptor;
 use promise::{Future, Promise};
 use smithay_client_toolkit as toolkit;
+use std::any::Any;
 use std::cell::RefCell;
 use std::convert::TryInto;
 use std::io::{Read, Write};
@@ -610,6 +611,20 @@ impl WindowOps for WaylandWindow {
         Ok(())
     }
 
+    fn notify<T: Any + Send + Sync>(&self, t: T)
+    where
+        Self: Sized,
+    {
+        let mut t = Some(t);
+        WaylandConnection::with_window_inner(self.0, move |inner| {
+            inner
+                .events
+                .try_send(WindowEvent::Notification(Box::new(t.take().unwrap())))
+                .ok();
+            Ok(())
+        });
+    }
+
     fn close(&self) -> Future<()> {
         WaylandConnection::with_window_inner(self.0, |inner| {
             inner.close();

window/src/os/x11/window.rs

@@ -12,6 +12,7 @@ use anyhow::{anyhow, Context as _};
 use async_trait::async_trait;
 use config::ConfigHandle;
 use promise::{Future, Promise};
+use std::any::Any;
 use std::collections::VecDeque;
 use std::convert::TryInto;
 use std::rc::{Rc, Weak};
@@ -900,6 +901,20 @@ impl WindowOps for XWindow {
         .await
     }
 
+    fn notify<T: Any + Send + Sync>(&self, t: T)
+    where
+        Self: Sized,
+    {
+        let mut t = Some(t);
+        XConnection::with_window_inner(self.0, move |inner| {
+            inner
+                .events
+                .try_send(WindowEvent::Notification(Box::new(t.take().unwrap())))
+                .ok();
+            Ok(())
+        });
+    }
+
     fn close(&self) -> Future<()> {
         XConnection::with_window_inner(self.0, |inner| {
             inner.close();

window/src/os/x_and_wayland.rs

@@ -11,6 +11,7 @@ use crate::{Clipboard, Dimensions, MouseCursor, ScreenPoint, WindowEventReceiver
 use async_trait::async_trait;
 use config::ConfigHandle;
 use promise::*;
+use std::any::Any;
 use std::rc::Rc;
 
 pub enum Connection {
@@ -144,6 +145,16 @@ impl WindowOps for Window {
             Self::Wayland(w) => w.close(),
         }
     }
+    fn notify<T: Any + Send + Sync>(&self, t: T)
+    where
+        Self: Sized,
+    {
+        match self {
+            Self::X11(x) => x.notify(t),
+            #[cfg(feature = "wayland")]
+            Self::Wayland(w) => w.notify(t),
+        }
+    }
 
     fn hide(&self) -> Future<()> {
         match self {