From 37182382771e2194000ba36dadbf89b8f433e3b5 Mon Sep 17 00:00:00 2001
From: "Cheng-Han, Wu" <jackymaxj@gmail.com>
Date: Wed, 20 Apr 2016 16:16:07 +0800
Subject: [PATCH] Fixed editor changes will cause syncScrollToView

---
 public/js/index.js      | 4 ----
 public/js/syncscroll.js | 7 +++++--
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/public/js/index.js b/public/js/index.js
index 94ccc329..d19cc25a 100644
--- a/public/js/index.js
+++ b/public/js/index.js
@@ -2139,10 +2139,6 @@ editor.on('paste', function() {
 });
 editor.on('changes', function (cm, changes) {
     updateHistory();
-    preventSyncScroll = true;
-    var scrollInfo = editor.getScrollInfo();
-    editor.scrollTo(null, scrollInfo.top - 1);
-    editor.scrollTo(null, scrollInfo.top);
     var docLength = editor.getValue().length;
     //workaround for big documents
     var newViewportMargin = 20;
diff --git a/public/js/syncscroll.js b/public/js/syncscroll.js
index 524d60a9..f0c7491b 100644
--- a/public/js/syncscroll.js
+++ b/public/js/syncscroll.js
@@ -115,8 +115,11 @@ var viewScrollingDelay = 200;
 var viewScrollingTimer = null;
 
 //editor.on('scroll', _.throttle(syncScrollToView, editorScrollThrottle));
-editor.on('scroll', syncScrollToView);
-ui.area.codemirrorScroll.on('scroll', syncScrollToView);
+if (editor.getOption('scrollbarStyle') === 'native') {
+    ui.area.codemirrorScroll.on('scroll', syncScrollToView);
+} else {
+    editor.on('scroll', syncScrollToView);
+}
 ui.area.view.on('scroll', function () {
     viewScrolling = true;
     clearTimeout(viewScrollingTimer);