refactored lists.js with new Morphic constants

snap.html

@@ -12,7 +12,7 @@
         <script src="src/objects.js?version=2020-07-01"></script>
         <script src="src/gui.js?version=2020-07-01"></script>
         <script src="src/paint.js?version=2020-05-17"></script>
-        <script src="src/lists.js?version=2020-05-18"></script>
+        <script src="src/lists.js?version=2020-07-01"></script>
         <script src="src/byob.js?version=2020-07-01"></script>
         <script src="src/tables.js?version=2020-05-18"></script>
         <script src="src/sketch.js?version=2020-04-15"></script>

src/lists.js

@@ -60,9 +60,10 @@
 Color, Point, WatcherMorph, StringMorph, SpriteMorph, ScrollFrameMorph, isNil,
 CellMorph, ArrowMorph, MenuMorph, snapEquals, localize, isString, IDE_Morph,
 MorphicPreferences, TableDialogMorph, SpriteBubbleMorph, SpeechBubbleMorph,
-TableFrameMorph, TableMorph, Variable, isSnapObject, Costume, contains, detect*/
+TableFrameMorph, TableMorph, Variable, isSnapObject, Costume, contains, detect,
+ZERO, WHITE*/
 
-modules.lists = '2020-May-18';
+modules.lists = '2020-July-01';
 
 var List;
 var ListWatcherMorph;
@@ -693,8 +694,8 @@ ListWatcherMorph.prototype.init = function (list, parentCell) {
         false,
         false,
         false,
-        MorphicPreferences.isFlat ? new Point() : new Point(1, 1),
-        new Color(255, 255, 255)
+        MorphicPreferences.isFlat ? ZERO : new Point(1, 1),
+        WHITE
     );
     this.label.mouseClickLeft = function () {myself.startIndexMenu(); };
 
@@ -858,8 +859,8 @@ ListWatcherMorph.prototype.update = function (anyway) {
                 false,
                 false,
                 false,
-                MorphicPreferences.isFlat ? new Point() : new Point(1, 1),
-                new Color(255, 255, 255)
+                MorphicPreferences.isFlat ? ZERO : new Point(1, 1),
+                WHITE
             );
             cell = new CellMorph(
                 this.list.at(idx),