Implement raw_window_handle::HasRawWindowHandle for Window type (#1105)

* Implement raw_window_handle::HasRawWindowHandle for Window type

* Format

* Address compilation issues

* Fix Linux build hopefully

* Fix iOS build

src/platform_impl/linux/mod.rs

@@ -3,6 +3,7 @@
 use std::{collections::VecDeque, env, ffi::CStr, fmt, mem::MaybeUninit, os::raw::*, sync::Arc};
 
 use parking_lot::Mutex;
+use raw_window_handle::RawWindowHandle;
 use smithay_client_toolkit::reexports::client::ConnectError;
 
 pub use self::x11::XNotSupported;
@@ -440,6 +441,13 @@ impl Window {
             &Window::Wayland(ref window) => MonitorHandle::Wayland(window.primary_monitor()),
         }
     }
+
+    pub fn raw_window_handle(&self) -> RawWindowHandle {
+        match self {
+            &Window::X(ref window) => RawWindowHandle::X11(window.raw_window_handle()),
+            &Window::Wayland(ref window) => RawWindowHandle::Wayland(window.raw_window_handle()),
+        }
+    }
 }
 
 unsafe extern "C" fn x_error_callback(

src/platform_impl/linux/wayland/window.rs

@@ -1,3 +1,4 @@
+use raw_window_handle::unix::WaylandHandle;
 use std::{
     collections::VecDeque,
     sync::{Arc, Mutex, Weak},
@@ -333,6 +334,14 @@ impl Window {
     pub fn primary_monitor(&self) -> MonitorHandle {
         primary_monitor(&self.outputs)
     }
+
+    pub fn raw_window_handle(&self) -> WaylandHandle {
+        WaylandHandle {
+            surface: self.surface().as_ref().c_ptr() as *mut _,
+            display: self.display().as_ref().c_ptr() as *mut _,
+            ..WaylandHandle::empty()
+        }
+    }
 }
 
 impl Drop for Window {

src/platform_impl/linux/x11/window.rs

@@ -1,3 +1,4 @@
+use raw_window_handle::unix::X11Handle;
 use std::{
     cmp,
     collections::HashSet,
@@ -1375,4 +1376,13 @@ impl UnownedWindow {
             .unwrap()
             .insert(WindowId(self.xwindow));
     }
+
+    #[inline]
+    pub fn raw_window_handle(&self) -> X11Handle {
+        X11Handle {
+            window: self.xwindow,
+            display: self.xconn.display as _,
+            ..X11Handle::empty()
+        }
+    }
 }