move updatemenus to their own layer above infolayer

Author: alexcjohnson

src/components/updatemenus/draw.js

@@ -54,7 +54,7 @@ module.exports = function draw(gd) {
      */
 
     // draw update menu container
-    var menus = fullLayout._infolayer
+    var menus = fullLayout._menulayer
         .selectAll('g.' + constants.containerClassName)
         .data(menuData.length > 0 ? [0] : []);
 

src/plot_api/plot_api.js

@@ -2848,6 +2848,7 @@ function makePlotFramework(gd) {
         .classed('shapelayer', true);
 
     fullLayout._infolayer = fullLayout._toppaper.append('g').classed('infolayer', true);
+    fullLayout._menulayer = fullLayout._toppaper.append('g').classed('menulayer', true);
     fullLayout._zoomlayer = fullLayout._toppaper.append('g').classed('zoomlayer', true);
     fullLayout._hoverlayer = fullLayout._toppaper.append('g').classed('hoverlayer', true);
 

test/image/baselines/updatemenus.png

@@ -79,6 +79,16 @@
       },
       "visible": false,
       "name": "Data set 3"
+    },
+    {
+        "x": [2, 3, 4],
+        "y": [0.4, 0.6, 0.8],
+        "z": [[1, 2], [3, 4]],
+        "type": "heatmap",
+        "colorbar": {
+            "x": -0.2,
+            "y": 0.6
+        }
     }
   ],
   "layout": {
@@ -123,7 +133,8 @@
                 true,
                 false,
                 false,
-                false
+                false,
+                true
               ]
             ],
             "label": "Data set 0"
@@ -136,7 +147,8 @@
                 false,
                 true,
                 false,
-                false
+                false,
+                true
               ]
             ],
             "label": "Data set 1"
@@ -149,7 +161,8 @@
                 false,
                 false,
                 true,
-                false
+                false,
+                true
               ]
             ],
             "label": "Data set 2"
@@ -162,6 +175,7 @@
                 false,
                 false,
                 false,
+                true,
                 true
               ]
             ],