From c62b60671dcfbc972f2048af48ad681681dfce1b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B8rgen=20P=2E=20Tjern=C3=B8?=
 <jorgen@valvesoftware.com>
Date: Tue, 23 Apr 2013 18:47:41 -0700
Subject: [PATCH] Mac: Fix unmatched hide/show cursor calls.

This tracks the previous hide/unhide state of the cursor, so we don't
re-hide a hidden cursor.
---
 src/video/cocoa/SDL_cocoamouse.m | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/video/cocoa/SDL_cocoamouse.m b/src/video/cocoa/SDL_cocoamouse.m
index a12bde8dd..7dbde9dde 100644
--- a/src/video/cocoa/SDL_cocoamouse.m
+++ b/src/video/cocoa/SDL_cocoamouse.m
@@ -153,15 +153,24 @@ Cocoa_FreeCursor(SDL_Cursor * cursor)
 static int
 Cocoa_ShowCursor(SDL_Cursor * cursor)
 {
+	/* We need to track the previous state because hide and unhide calls need to
+	 * be matched, but ShowCursor calls don't.
+	 */
+	static SDL_bool isShown = SDL_TRUE;
     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
 
     if (cursor) {
         NSCursor *nscursor = (NSCursor *)cursor->driverdata;
 
         [nscursor set];
-        [NSCursor unhide];
-    } else {
-        [NSCursor hide];
+
+		if (!isShown) {
+			[NSCursor unhide];
+			isShown = SDL_TRUE;
+		}
+	} else if (isShown) {
+		[NSCursor hide];
+		isShown = SDL_FALSE;
     }
 
     [pool release];