From 64096cbc67c345e55109ed6c0a5e84cd3b90874e Mon Sep 17 00:00:00 2001
From: Quincy Morgan <quincy.morgan@icloud.com>
Date: Thu, 28 May 2020 14:21:22 -0400
Subject: [PATCH] Handle pointercancel events in behaviorDrag

---
 modules/behavior/drag.js | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/modules/behavior/drag.js b/modules/behavior/drag.js
index 12435b3d7..898f689be 100644
--- a/modules/behavior/drag.js
+++ b/modules/behavior/drag.js
@@ -83,7 +83,7 @@ export function behaviorDrag() {
 
         d3_select(window)
             .on(_pointerPrefix + 'move.drag', pointermove)
-            .on(_pointerPrefix + 'up.drag', pointerup, true);
+            .on(_pointerPrefix + 'up.drag pointercancel.drag', pointerup, true);
 
         if (_origin) {
             offset = _origin.apply(_target, arguments);
@@ -136,13 +136,12 @@ export function behaviorDrag() {
             if (started) {
                 _event({ type: 'end' });
 
-                d3_event.stopPropagation();
                 d3_event.preventDefault();
             }
 
             d3_select(window)
                 .on(_pointerPrefix + 'move.drag', null)
-                .on(_pointerPrefix + 'up.drag', null);
+                .on(_pointerPrefix + 'up.drag pointercancel.drag', null);
 
             selectEnable();
         }
@@ -199,7 +198,7 @@ export function behaviorDrag() {
     behavior.cancel = function() {
         d3_select(window)
             .on(_pointerPrefix + 'move.drag', null)
-            .on(_pointerPrefix + 'up.drag', null);
+            .on(_pointerPrefix + 'up.drag pointercancel.drag', null);
         return behavior;
     };