Fixed editor changes will cause syncScrollToView

Author: jackycute

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;

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);