From 599d9ba198a6c2f5a72574699fe6f41d6ec90f05 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Mon, 5 Jun 2017 21:30:25 -0400
Subject: [PATCH] emscripten: listen for pointerlockchange events on the
 #document specifically.

---
 src/video/emscripten/SDL_emscriptenevents.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/video/emscripten/SDL_emscriptenevents.c b/src/video/emscripten/SDL_emscriptenevents.c
index 85f56f4d0..9b0d12a90 100644
--- a/src/video/emscripten/SDL_emscriptenevents.c
+++ b/src/video/emscripten/SDL_emscriptenevents.c
@@ -652,7 +652,7 @@ Emscripten_RegisterEventHandlers(SDL_WindowData *data)
     emscripten_set_touchmove_callback("#canvas", data, 0, Emscripten_HandleTouch);
     emscripten_set_touchcancel_callback("#canvas", data, 0, Emscripten_HandleTouch);
 
-    emscripten_set_pointerlockchange_callback(NULL, data, 0, Emscripten_HandlePointerLockChange);
+    emscripten_set_pointerlockchange_callback("#document", data, 0, Emscripten_HandlePointerLockChange);
 
     /* Keyboard events are awkward */
     keyElement = SDL_GetHint(SDL_HINT_EMSCRIPTEN_KEYBOARD_ELEMENT);
@@ -693,7 +693,7 @@ Emscripten_UnregisterEventHandlers(SDL_WindowData *data)
     emscripten_set_touchmove_callback("#canvas", NULL, 0, NULL);
     emscripten_set_touchcancel_callback("#canvas", NULL, 0, NULL);
 
-    emscripten_set_pointerlockchange_callback(NULL, NULL, 0, NULL);
+    emscripten_set_pointerlockchange_callback("#document", NULL, 0, NULL);
 
     target = SDL_GetHint(SDL_HINT_EMSCRIPTEN_KEYBOARD_ELEMENT);
     if (!target) {