From bd20050db8321fc2b25974dc6ed54bd59a4c8622 Mon Sep 17 00:00:00 2001
From: Alexandre Wilhelm <contact.dogild@gmail.com>
Date: Wed, 20 Aug 2014 15:23:10 -0700
Subject: [PATCH] Fixed: added a boolean to avoid to addObservers seveal times

---
 AppKit/CPView.j | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/AppKit/CPView.j b/AppKit/CPView.j
index 9fb8b6de4..8218bffd7 100644
--- a/AppKit/CPView.j
+++ b/AppKit/CPView.j
@@ -228,6 +228,8 @@ var CPViewFlags                     = { },
     Function            _toolTipFunctionIn;
     Function            _toolTipFunctionOut;
     BOOL                _toolTipInstalled;
+
+    BOOL                _isObserving;
 }
 
 /*
@@ -844,14 +846,21 @@ var CPViewFlags                     = { },
 
     while (count--)
         [_subviews[count] _removeObservers];
+
+    _isObserving = NO;
 }
 
 - (void)_addObservers
 {
+    if (_isObserving)
+        return;
+
     var count = [_subviews count];
 
     while (count--)
         [_subviews[count] _addObservers];
+
+    _isObserving = YES;
 }
 
 /*!