From 17e5f67519a0ca11ed22be064edff43bfac6452e Mon Sep 17 00:00:00 2001
From: Hyunje Alex Jun <me@noraesae.net>
Date: Sat, 3 Oct 2015 21:33:52 +0900
Subject: [PATCH] Make selection scroll optional

It's not essential but rather causes several problems.
---
 README.md                        |  4 ++++
 examples/text-content.html       |  4 +++-
 src/js/plugin/default-setting.js | 19 ++++++++++---------
 src/js/plugin/initialize.js      |  5 ++++-
 4 files changed, 21 insertions(+), 11 deletions(-)

diff --git a/README.md b/README.md
index 1187b6c..28f4b3b 100644
--- a/README.md
+++ b/README.md
@@ -312,6 +312,10 @@ The number of pixels the content height can surpass the container height without
 When set to false, when clicking on a rail, the click event will be allowed to propagate.  
 **Default: true**
 
+### useSelectionScroll
+When set to true, you can scroll the container by selecting text and move the cursor.  
+**Default: false**
+
 ## Events
 
 perfect-scrollbar dispatches custom events.
diff --git a/examples/text-content.html b/examples/text-content.html
index 3fe192c..9a994f0 100644
--- a/examples/text-content.html
+++ b/examples/text-content.html
@@ -32,7 +32,9 @@
     <script>
       var $ = document.querySelector.bind(document);
       window.onload = function () {
-        Ps.initialize($('#description'));
+        Ps.initialize($('#description'), {
+          useSelectionScroll: true
+        });
       };
       $('#redraw').addEventListener('click', function () {
         var oldHtml = $('#description').innerHTML;
diff --git a/src/js/plugin/default-setting.js b/src/js/plugin/default-setting.js
index c75c0ae..8043d7e 100644
--- a/src/js/plugin/default-setting.js
+++ b/src/js/plugin/default-setting.js
@@ -4,16 +4,17 @@
 'use strict';
 
 module.exports = {
-  wheelSpeed: 1,
-  wheelPropagation: false,
-  swipePropagation: true,
-  minScrollbarLength: null,
   maxScrollbarLength: null,
-  useBothWheelAxes: false,
-  useKeyboard: true,
-  suppressScrollX: false,
-  suppressScrollY: false,
+  minScrollbarLength: null,
   scrollXMarginOffset: 0,
   scrollYMarginOffset: 0,
-  stopPropagationOnClick: true
+  stopPropagationOnClick: true,
+  suppressScrollX: false,
+  suppressScrollY: false,
+  swipePropagation: true,
+  useBothWheelAxes: false,
+  useKeyboard: true,
+  useSelectionScroll: false,
+  wheelPropagation: false,
+  wheelSpeed: 1
 };
diff --git a/src/js/plugin/initialize.js b/src/js/plugin/initialize.js
index e007608..77420ec 100644
--- a/src/js/plugin/initialize.js
+++ b/src/js/plugin/initialize.js
@@ -31,7 +31,10 @@ module.exports = function (element, userSettings) {
   dragScrollbarHandler(element);
   mouseWheelHandler(element);
   nativeScrollHandler(element);
-  selectionHandler(element);
+
+  if (i.settings.useSelectionScroll) {
+    selectionHandler(element);
+  }
 
   if (h.env.supportsTouch || h.env.supportsIePointer) {
     touchHandler(element, h.env.supportsTouch, h.env.supportsIePointer);