From 93a8f41b23cc65d6344d09f8468949c03c076a66 Mon Sep 17 00:00:00 2001
From: Clark Granum <c.granum@tsgsinc.com>
Date: Fri, 18 Jan 2019 14:58:04 -0800
Subject: [PATCH] Register pen control by default

---
 demos/touch-gestures/index.js           | 2 ++
 src/controls/registerDefaultControls.js | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/demos/touch-gestures/index.js b/demos/touch-gestures/index.js
index 6d990c32b..bbf3b19f4 100644
--- a/demos/touch-gestures/index.js
+++ b/demos/touch-gestures/index.js
@@ -135,9 +135,11 @@
   // Prevent pan and zoom events from being handled after swipe ends.
   function disableControlsTemporarily() {
     viewer.controls().disableMethod('touchView');
+    viewer.controls().disableMethod('penView');
     viewer.controls().disableMethod('pinch');
     setTimeout(function() {
       viewer.controls().enableMethod('touchView');
+      viewer.controls().enableMethod('penView');
       viewer.controls().enableMethod('pinch');
     }, 200);
   }
diff --git a/src/controls/registerDefaultControls.js b/src/controls/registerDefaultControls.js
index 4368e4ef8..91800e45a 100644
--- a/src/controls/registerDefaultControls.js
+++ b/src/controls/registerDefaultControls.js
@@ -33,6 +33,7 @@ var defaultOptions = {
  *   - mouseViewDrag
  *   - mouseViewQtvr
  *   - touchView
+ *   - penView
  *   - pinch
  *   - arrowKeys
  *   - plusMinusKeys
@@ -51,6 +52,7 @@ function registerDefaultControls(controls, element, opts) {
     mouseViewDrag: new DragControlMethod(element, 'mouse'),
     mouseViewQtvr: new QtvrControlMethod(element, 'mouse'),
     touchView: new DragControlMethod(element, 'touch'),
+    penView: new DragControlMethod(element, 'pen'), 
     pinch: new PinchZoomControlMethod(element, 'touch'),
 
     leftArrowKey: new KeyControlMethod(37, 'x', -0.7, 3),
@@ -80,7 +82,7 @@ function registerDefaultControls(controls, element, opts) {
   };
 
 
-  var enabledControls = [ 'scrollZoom', 'touchView', 'pinch' ];
+  var enabledControls = [ 'scrollZoom', 'touchView', 'penView', 'pinch' ];
   switch (opts.mouseViewMode) {
     case 'drag':
       enabledControls.push('mouseViewDrag');