support dragging blocks out from speech balloons

HISTORY.md

@@ -3,7 +3,7 @@
 ## in development:
 
 * **New Features:**
-    * support dragging blocks out from result bubbles
+    * support dragging blocks out from result bubbles and speech balloons
 * **Notable Changes:**
 * **Notable Fixes:**
     * fixed layout for scrolling custom categories, thanks, Eckart, for the bug report!
@@ -12,6 +12,7 @@
 
 ### 2022-01-22
 * blocks: support dragging blocks out from result bubbles
+* objects: support dragging blocks out from speech balloons
 
 ### 2022-01-21
 * new dev version

snap.html

@@ -18,7 +18,7 @@
         <script src="src/widgets.js?version=2021-17-09"></script>
         <script src="src/blocks.js?version=2022-01-22"></script>
         <script src="src/threads.js?version=2022-01-21"></script>
-        <script src="src/objects.js?version=2022-01-20"></script>
+        <script src="src/objects.js?version=2022-01-21"></script>
         <script src="src/scenes.js?version=2021-11-24"></script>
         <script src="src/gui.js?version=2022-01-21"></script>
         <script src="src/paint.js?version=2021-07-05"></script>

src/objects.js

@@ -87,7 +87,7 @@ BlockVisibilityDialogMorph*/
 
 /*jshint esversion: 6*/
 
-modules.objects = '2022-January-20';
+modules.objects = '2022-January-21';
 
 var SpriteMorph;
 var StageMorph;
@@ -10051,6 +10051,28 @@ SpriteBubbleMorph.prototype.dataAsMorph = function (data) {
         contents.bounds.setWidth(img.width);
         contents.bounds.setHeight(img.height);
         contents.cachedImage = img;
+
+        // support blocks to be dragged out of result bubbles:
+        contents.isDraggable = true;
+
+        contents.selectForEdit = function () {
+            var script = data.toBlock(),
+                prepare = script.prepareToBeGrabbed,
+                ide = this.parentThatIsA(IDE_Morph);
+
+            script.prepareToBeGrabbed = function (hand) {
+                prepare.call(this, hand);
+                hand.grabOrigin = {
+                    origin: ide.palette,
+                    position: ide.palette.center()
+                };
+                this.prepareToBeGrabbed = prepare;
+            };
+
+            script.setPosition(this.position());
+            return script;
+        };
+
     } else {
         contents = new TextMorph(
             data.toString(),