From 876f3e8a2351c2b5bdd92f09d393f9f4f7ae6a9b Mon Sep 17 00:00:00 2001
From: David Rowe <david@ctrlaltstudio.com>
Date: Thu, 26 Mar 2015 11:50:17 -0700
Subject: [PATCH] Scroll when click above or below bar

---
 examples/users.js | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/examples/users.js b/examples/users.js
index ed1703c329..59263e0607 100644
--- a/examples/users.js
+++ b/examples/users.js
@@ -329,7 +329,8 @@ var usersWindow = (function () {
             lineClicked,
             userClicked,
             i,
-            visibilityChanged;
+            visibilityChanged,
+            delta;
 
         if (!isVisible) {
             return;
@@ -380,6 +381,20 @@ var usersWindow = (function () {
             scrollbarBarClickedAt = (event.y - scrollbarBarPosition.y) / scrollbarBarHeight;
             isMovingScrollbar = true;
         }
+
+        if (clickedOverlay === scrollbarBackground2D) {
+            delta = scrollbarBarHeight / (scrollbarBackgroundHeight - scrollbarBarHeight);
+
+            if (event.y < scrollbarBarPosition.y) {
+                scrollbarValue = Math.max(scrollbarValue - delta, 0.0);
+            } else {
+                scrollbarValue = Math.min(scrollbarValue + delta, 1.0);
+            }
+
+            firstUserToDisplay = Math.floor(scrollbarValue * (linesOfUsers.length - numUsersToDisplay));
+            updateOverlayPositions();
+            updateUsersDisplay();
+        }
     }
 
     function onMouseMoveEvent(event) {