From c69002b0dd517e3c0e9698851a3ac457337c67e4 Mon Sep 17 00:00:00 2001
From: Haojian Wu <hokein.wu@gmail.com>
Date: Fri, 31 Jul 2015 09:57:08 +0800
Subject: [PATCH] Fix: browser window will be resiable when calling
 `window.setResizable(false)` twice.

---
 atom/browser/native_window_mac.mm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/atom/browser/native_window_mac.mm b/atom/browser/native_window_mac.mm
index d5f12bde13dd..295c0ac5400a 100644
--- a/atom/browser/native_window_mac.mm
+++ b/atom/browser/native_window_mac.mm
@@ -589,7 +589,7 @@ void NativeWindowMac::SetResizable(bool resizable) {
     [window_ setStyleMask:[window_ styleMask] | NSResizableWindowMask];
   } else {
     [[window_ standardWindowButton:NSWindowZoomButton] setEnabled:NO];
-    [window_ setStyleMask:[window_ styleMask] ^ NSResizableWindowMask];
+    [window_ setStyleMask:[window_ styleMask] & (~NSResizableWindowMask)];
   }
 }