From 523f695852e752f416a2b508f18f7f9516cbb223 Mon Sep 17 00:00:00 2001
From: SymbolixAU <dcooley@symbolix.com.au>
Date: Thu, 14 Nov 2019 15:53:30 +1100
Subject: [PATCH] working through #237

---
 inst/htmlwidgets/mapdeck.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/inst/htmlwidgets/mapdeck.js b/inst/htmlwidgets/mapdeck.js
index e0288597..3daf3304 100644
--- a/inst/htmlwidgets/mapdeck.js
+++ b/inst/htmlwidgets/mapdeck.js
@@ -84,21 +84,23 @@ HTMLWidgets.widget({
 			      },
 			      onDragStart(info, event){
 			      	if (!HTMLWidgets.shinyMode) { return; }
+			      	if( info.layer !== null ) { return; }  // dragging a layer;
 			      	Shiny.onInputChange(el.id +'_drag_start', info);
 			      },
 			      onDrag(info, event){
 			      	if (!HTMLWidgets.shinyMode) { return; }
+			      	if( info.layer !== null ) { return; }  // dragging a layer;
 			      	Shiny.onInputChange(el.id +'_drag', info);
 			      },
 			      onDragEnd(info, event){
 			      	if (!HTMLWidgets.shinyMode) { return; }
+			      	if( info.layer !== null ) { return; }  // dragging a layer;
 			      	Shiny.onInputChange(el.id +'_drag_end', info);
 			      },
 			      onResize(size) {
 			      	if (!HTMLWidgets.shinyMode) { return; }
 			      	Shiny.onInputChange(el.id +'_resize', size);
 			      }
-
 			  });
 
 			  window[el.id + 'map'] = deckgl;