From bc79cd8df2b6c62a80bb6850697d368cf9acebd5 Mon Sep 17 00:00:00 2001
From: Nathan Dinsmore <nathan@users.noreply.github.com>
Date: Thu, 18 Jun 2015 15:33:44 -0400
Subject: [PATCH] Call isTransparentAt

---
 morphic.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/morphic.js b/morphic.js
index 01220d56..aa731ab8 100644
--- a/morphic.js
+++ b/morphic.js
@@ -9312,7 +9312,7 @@ Morph.prototype.topMorphAt = function (p) {
         var result = c[i].topMorphAt(p);
         if (result) return result;
     }
-    return this.bounds.containsPoint(p) ? this : null;
+    return this.bounds.containsPoint(p) && (this.noticesTransparentClick || !this.isTransparentAt(p)) ? this : null;
 };
 FrameMorph.prototype.topMorphAt = function (p) {
     if (!(this.isVisible && this.bounds.containsPoint(p))) return null;
@@ -9320,13 +9320,13 @@ FrameMorph.prototype.topMorphAt = function (p) {
         var result = c[i].topMorphAt(p);
         if (result) return result;
     }
-    return this;
+    return this.noticesTransparentClick || !this.isTransparentAt(p) ? this : null;
 };
 ShadowMorph.prototype.topMorphAt = function () {
     return null;
 };
 HandMorph.prototype.morphAtPointer = function () {
-    return this.world.topMorphAt(this.bounds.origin);
+    return this.world.topMorphAt(this.bounds.origin) || this.world;
 };
 
 /*
@@ -9913,6 +9913,7 @@ WorldMorph.prototype.init = function (aCanvas, fillPage) {
     this.isDraggable = false;
     this.currentKey = null; // currently pressed key code
     this.worldCanvas = aCanvas;
+    this.noticesTransparentClick = true;
 
     // additional properties:
     this.stamp = Date.now(); // reference in multi-world setups