Add hook for raw winit WindowEvents

Based on [@twvd's commit](twvd@856d675)
to work around [egui#3653](emilk#3653)

Cargo.lock

@@ -1294,7 +1294,9 @@ dependencies = [
  "arboard",
  "document-features",
  "egui",
+ "lazy_static",
  "log",
+ "parking_lot",
  "profiling",
  "raw-window-handle 0.6.2",
  "serde",

crates/egui-winit/Cargo.toml

@@ -75,6 +75,10 @@ document-features = { workspace = true, optional = true }
 serde = { workspace = true, optional = true }
 webbrowser = { version = "1.0.0", optional = true }
 
+# hack for raw keyboard input
+parking_lot = { workspace = true }
+lazy_static = "1.5.0"
+
 [target.'cfg(any(target_os="linux", target_os="dragonfly", target_os="freebsd", target_os="netbsd", target_os="openbsd"))'.dependencies]
 smithay-clipboard = { version = "0.7.2", optional = true }
 

crates/egui-winit/src/lib.rs

@@ -32,6 +32,17 @@ use winit::{
     window::{CursorGrabMode, Window, WindowButtons, WindowLevel},
 };
 
+lazy_static::lazy_static! {
+    static ref WINDOWEVENT_HOOK:
+        parking_lot::RwLock<Option<std::sync::mpsc::Sender<winit::event::WindowEvent>>,
+    > = parking_lot::RwLock::new(None);
+}
+pub fn install_windowevent_hook(sender: std::sync::mpsc::Sender<winit::event::WindowEvent>) {
+    let mut hook = WINDOWEVENT_HOOK.write();
+    assert!(hook.is_none(), "duplicate windowevent hook");
+    *hook = Some(sender);
+}
+
 pub fn screen_size_in_pixels(window: &Window) -> egui::Vec2 {
     let size = if cfg!(target_os = "ios") {
         // `outer_size` Includes the area behind the "dynamic island".
@@ -272,6 +283,10 @@ impl State {
             accesskit.process_event(window, event);
         }
 
+        if let Some(sender) = &*WINDOWEVENT_HOOK.read() {
+            sender.send(event.clone()).unwrap();
+        }
+
         use winit::event::WindowEvent;
         match event {
             WindowEvent::ScaleFactorChanged { scale_factor, .. } => {