From 133db3cfe0b47f1e07643a7a3fc5ed20a963b26f Mon Sep 17 00:00:00 2001
From: nightwing <amirjanyan@gmail.com>
Date: Sat, 14 Dec 2013 23:52:01 +0400
Subject: [PATCH] fix #1711 Double click on foldWidgets region can paint whole
 gutter in red.

---
 lib/ace/edit_session/folding.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/ace/edit_session/folding.js b/lib/ace/edit_session/folding.js
index d3fa0ef0..474818b2 100644
--- a/lib/ace/edit_session/folding.js
+++ b/lib/ace/edit_session/folding.js
@@ -747,8 +747,11 @@ function Folding() {
         };
         
         var range = this.$toggleFoldWidget(row, options);
-        if (!range)
-            (e.target || e.srcElement).className += " ace_invalid";
+        if (!range) {
+            var el = (e.target || e.srcElement)
+            if (el && /ace_fold-widget/.test(el.className))
+                el.className += " ace_invalid";
+        }
     };
     
     this.$toggleFoldWidget = function(row, options) {