Move RawWindowHandleWrapper to a shared module

We're going to need this for the other platforms as well.

Author: robbert-vdh

src/window.rs

@@ -18,6 +18,12 @@ pub struct WindowHandle {
     phantom: PhantomData<*mut ()>,
 }
 
+/// Quick wrapper to satisfy [HasRawWindowHandle], because of course a raw window handle wouldn't
+/// have a raw window handle, that would be silly.
+pub(crate) struct RawWindowHandleWrapper {
+    pub handle: RawWindowHandle,
+}
+
 impl WindowHandle {
     fn new(window_handle: platform::WindowHandle) -> Self {
         Self { window_handle, phantom: PhantomData::default() }
@@ -105,3 +111,9 @@ unsafe impl<'a> HasRawWindowHandle for Window<'a> {
         self.window.raw_window_handle()
     }
 }
+
+unsafe impl HasRawWindowHandle for RawWindowHandleWrapper {
+    fn raw_window_handle(&self) -> RawWindowHandle {
+        self.handle
+    }
+}

src/x11/window.rs

@@ -11,6 +11,7 @@ use xcb::ffi::xcb_screen_t;
 use xcb::StructPtr;
 
 use super::XcbConnection;
+use crate::window::RawWindowHandleWrapper;
 use crate::{
     Event, MouseButton, MouseCursor, MouseEvent, PhyPoint, PhySize, ScrollDelta, WindowEvent,
     WindowHandler, WindowInfo, WindowOpenOptions, WindowScalePolicy,
@@ -109,12 +110,6 @@ pub struct Window {
 // Hack to allow sending a RawWindowHandle between threads. Do not make public
 struct SendableRwh(RawWindowHandle);
 
-/// Quick wrapper to satisfy [HasRawWindowHandle], because of course a raw window handle wouldn't
-/// have a raw window handle, that would be silly.
-struct RawWindowHandleWrapper {
-    handle: RawWindowHandle,
-}
-
 unsafe impl Send for SendableRwh {}
 
 type WindowOpenResult = Result<SendableRwh, ()>;
@@ -667,12 +662,6 @@ unsafe impl HasRawWindowHandle for Window {
     }
 }
 
-unsafe impl HasRawWindowHandle for RawWindowHandleWrapper {
-    fn raw_window_handle(&self) -> RawWindowHandle {
-        self.handle
-    }
-}
-
 fn mouse_id(id: u8) -> MouseButton {
     match id {
         1 => MouseButton::Left,