From 5b2ff76c12af3663367996019c436ee116b221b8 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Sun, 31 May 2015 13:58:36 -0400
Subject: [PATCH] Cocoa: send a MOUSEMOTION event when warping cursor from
 outside the window.

Fixes Bugzilla #2984.
---
 src/video/cocoa/SDL_cocoamouse.m | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/video/cocoa/SDL_cocoamouse.m b/src/video/cocoa/SDL_cocoamouse.m
index 4f15373e6e04c..9c37c472892cc 100644
--- a/src/video/cocoa/SDL_cocoamouse.m
+++ b/src/video/cocoa/SDL_cocoamouse.m
@@ -230,6 +230,10 @@ + (NSCursor *)invisibleCursor
 static void
 Cocoa_WarpMouse(SDL_Window * window, int x, int y)
 {
+    /* pretend we have the mouse focus, even if we don't, so
+        Cocoa_WarpMouseGlobal() will properly fake a mouse motion event. */
+    SDL_Mouse *mouse = SDL_GetMouse();
+    mouse->focus = window;
     Cocoa_WarpMouseGlobal(x + window->x, y + window->y);
 }