From dd94c5fa545d4fa2e8d80d70ab8f9e47b7a41840 Mon Sep 17 00:00:00 2001
From: "J?rgen P. Tjern?" <jorgen@valvesoftware.com>
Date: Wed, 26 Feb 2014 16:10:52 -0800
Subject: [PATCH] Mac: Don't disassociate cursor if window is moving / doesn't
 have focus.

Bug: https://bugzilla.libsdl.org/show_bug.cgi?id=2396
---
 src/video/cocoa/SDL_cocoamouse.m | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/video/cocoa/SDL_cocoamouse.m b/src/video/cocoa/SDL_cocoamouse.m
index 71b782caa2534..d9292b87726f4 100644
--- a/src/video/cocoa/SDL_cocoamouse.m
+++ b/src/video/cocoa/SDL_cocoamouse.m
@@ -244,8 +244,23 @@ + (NSCursor *)invisibleCursor
 static int
 Cocoa_SetRelativeMouseMode(SDL_bool enabled)
 {
-    CGError result;
+    /* We will re-apply the relative mode when the window gets focus, if it
+     * doesn't have focus right now.
+     */
+    SDL_Window *window = SDL_GetMouseFocus();
+    if (!window) {
+      return 0;
+    }
 
+    /* We will re-apply the relative mode when the window finishes being moved,
+     * if it is being moved right now.
+     */
+    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
+    if ([data->listener isMoving]) {
+        return;
+    }
+
+    CGError result;
     if (enabled) {
         DLog("Turning on.");
         result = CGAssociateMouseAndMouseCursorPosition(NO);