Some versions of IE on some versions of Windows report `event.pointer…

…Type` as an int #1931 #1933
cytoscape · Aug 16, 2017 · 762b4fe · 762b4fe
1 parent 043c099
commit 762b4fe
Showing 1 changed file with 8 additions and 4 deletions.
diff --git a/src/extensions/renderer/base/load-listeners.js b/src/extensions/renderer/base/load-listeners.js
@@ -1984,8 +1984,12 @@ BRp.load = function(){
       } );
     };
 
+    var pointerIsMouse = function( e ){
+      return e.pointerType === 'mouse' || e.pointerType === 4;
+    };
+
     r.registerBinding( r.container, 'pointerdown', function( e ){
-      if( e.pointerType === 'mouse' ){ return; } // mouse already handled
+      if( pointerIsMouse(e) ){ return; } // mouse already handled
 
       e.preventDefault();
 
@@ -1996,7 +2000,7 @@ BRp.load = function(){
     } );
 
     r.registerBinding( r.container, 'pointerup', function( e ){
-      if( e.pointerType === 'mouse' ){ return; } // mouse already handled
+      if( pointerIsMouse(e) ){ return; } // mouse already handled
 
       removePointer( e );
 
@@ -2005,7 +2009,7 @@ BRp.load = function(){
     } );
 
     r.registerBinding( r.container, 'pointercancel', function( e ){
-      if( e.pointerType === 'mouse' ){ return; } // mouse already handled
+      if( pointerIsMouse(e) ){ return; } // mouse already handled
 
       removePointer( e );
 
@@ -2014,7 +2018,7 @@ BRp.load = function(){
     } );
 
     r.registerBinding( r.container, 'pointermove', function( e ){
-      if( e.pointerType === 'mouse' ){ return; } // mouse already handled
+      if( pointerIsMouse(e) ){ return; } // mouse already handled
 
       e.preventDefault();