From 05866e3fa70b42f90738d26f6ecce1c7f9aac496 Mon Sep 17 00:00:00 2001
From: Junfeng Liu <china.liujunfeng@gmail.com>
Date: Tue, 13 Oct 2020 11:00:56 +0800
Subject: [PATCH] Expose a pointer of EventLoopProxy to process custom messages

---
 crates/bevy_winit/src/lib.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/crates/bevy_winit/src/lib.rs b/crates/bevy_winit/src/lib.rs
index f95544cdcd949..20a482a278248 100644
--- a/crates/bevy_winit/src/lib.rs
+++ b/crates/bevy_winit/src/lib.rs
@@ -22,6 +22,9 @@ use winit::{
 #[derive(Default)]
 pub struct WinitPlugin;
 
+#[derive(Debug)]
+pub struct EventLoopProxyPtr(pub usize);
+
 impl Plugin for WinitPlugin {
     fn build(&self, app: &mut AppBuilder) {
         app
@@ -81,6 +84,11 @@ pub fn winit_runner(mut app: App) {
     let mut create_window_event_reader = EventReader::<CreateWindow>::default();
     let mut app_exit_event_reader = EventReader::<AppExit>::default();
 
+    app.resources
+        .insert_thread_local(EventLoopProxyPtr(
+            Box::into_raw(Box::new(event_loop.create_proxy())) as usize,
+        ));
+
     handle_create_window_events(
         &mut app.resources,
         &event_loop,