made stack-highlights un-touchable

HISTORY.md

@@ -28,14 +28,14 @@
     * fixed numeric input fields in dialog boxes
     * fixed reacting to keyboard input in dialog boxes
     * fixed zoom blocks type-in dialog
-    * added "hole" to stack-highlights to enable clicking inside open areas
+    * made stack-highlights un-touchable
 * **Documentation Updates:**
     * added migration guide for Morphic2/Snap!6
 * **Translation Updates:**
     * German
 
 ### 2020-07-29
-* blocks: added "hole" to stack-highlights to enable clicking inside open areas
+* blocks: made stack-highlights un-touchable
 
 ### 2020-07-28
 * blocks: tweaked stack-highlight for (partially) faded blocks

src/blocks.js

@@ -4217,16 +4217,14 @@ BlockMorph.prototype.highlight = function (color, blur, border) {
     var highlight = new BlockHighlightMorph(),
         fb = this.fullBounds(),
         edge = useBlurredShadows && !MorphicPreferences.isFlat ?
-                blur : border,
-        offset = new Point(edge, edge);
-
+                blur : border;
     highlight.bounds.setExtent(fb.extent().add(edge * 2));
-    highlight.holes = [fb.translateBy(this.position().neg().add(offset))];
+    highlight.holes = [highlight.bounds]; // make the highlight untouchable
     highlight.color = color;
     highlight.cachedImage = useBlurredShadows && !MorphicPreferences.isFlat ?
             this.highlightImageBlurred(color, blur)
                 : this.highlightImage(color, border);
-    highlight.setPosition(fb.origin.subtract(offset));
+    highlight.setPosition(fb.origin.subtract(new Point(edge, edge)));
     return highlight;
 };