dragScroll option

src/common/DragListener.js

@@ -69,7 +69,7 @@ DragListener.prototype = {
 		if (!this.isListening) {
 
 			// grab scroll container and attach handler
-			if (ev) {
+			if (ev && this.options.scroll) {
 				scrollParent = getScrollParent($(ev.target));
 				if (!scrollParent.is(window) && !scrollParent.is(document)) {
 					this.scrollEl = scrollParent;

src/common/Grid.events.js

@@ -187,6 +187,7 @@ $.extend(Grid.prototype, {
 		// of the view.
 		var dragListener = new DragListener(view.coordMap, {
 			distance: 5,
+			scroll: view.opt('dragScroll'),
 			listenStart: function(ev) {
 				mouseFollower.hide(); // don't show until we know this is a real drag
 				mouseFollower.start(ev);
@@ -293,6 +294,7 @@ $.extend(Grid.prototype, {
 		// Tracks mouse movement over the *grid's* coordinate map
 		dragListener = new DragListener(this.coordMap, {
 			distance: 5,
+			scroll: view.opt('dragScroll'),
 			dragStart: function(ev) {
 				_this.triggerSegMouseout(seg, ev); // ensure a mouseout on the manipulated event has been reported
 				_this.isResizingSeg = true;

src/defaults.js

@@ -86,6 +86,7 @@ var defaults = {
 
 	dragOpacity: .75,
 	dragRevertDuration: 500,
+	dragScroll: true,
 	
 	//selectable: false,
 	unselectAuto: true,