Allowed setting of new forceUpdateDisplay property to override default behaviour of preventing updates to active select inputs

src/dat/controllers/Controller.js

@@ -52,6 +52,12 @@ class Controller {
      * @ignore
      */
     this.__onFinishChange = undefined;
+
+    /**
+    * Wether to force update a display, even when active.
+    * @type boolean
+    */
+    this.forceUpdateDisplay = false;
   }
 
   /**

src/dat/controllers/OptionController.js

@@ -76,7 +76,7 @@ class OptionController extends Controller {
   }
 
   updateDisplay() {
-    if (dom.isActive(this.__select)) return this; // prevent number from updating if user is trying to manually update
+    if (dom.isActive(this.__select) && !this.forceUpdateDisplay) return this; // prevent number from updating if user is trying to manually update
     this.__select.value = this.getValue();
     return super.updateDisplay();
   }

src/dat/gui/GUI.js

@@ -974,7 +974,8 @@ function augmentController(gui, li, controller) {
      * Sets controller to listen for changes on its underlying object.
      * @return {Controller}
      */
-    listen: function() {
+    listen: function(forceUpdateDisplay) {
+      controller.forceUpdateDisplay = !!forceUpdateDisplay;
       controller.__gui.listen(controller);
       return controller;
     },