fixed unintentional pen trails when manually cloning or duplicating a sprite

whose pen is down

HISTORY.md

@@ -50,6 +50,9 @@
     * Catalan, thanks, Joan!
     * German
 
+### 2019-03-25
+* GUI: fixed unintentional pen trails when manually cloning or duplicating a sprite whose pen is down
+
 ### 2019-03-18
 * Threads: replaced 'colorBehindSprite' with 'colorAtSprite'
 * Blocks: renamed some items of the microphone dropdown

snap.html

@@ -9,7 +9,7 @@
         <script type="text/javascript" src="src/blocks.js?version=2019-03-18"></script>
         <script type="text/javascript" src="src/threads.js?version=2019-03-18"></script>
         <script type="text/javascript" src="src/objects.js?version=2019-03-15"></script>
-        <script type="text/javascript" src="src/gui.js?version=2019-03-11"></script>
+        <script type="text/javascript" src="src/gui.js?version=2019-03-25"></script>
         <script type="text/javascript" src="src/paint.js?version=2019-02-22"></script>
         <script type="text/javascript" src="src/lists.js?version=2019-02-07"></script>
         <script type="text/javascript" src="src/byob.js?version=2019-02-15"></script>

src/gui.js

@@ -75,7 +75,7 @@ isRetinaSupported, SliderMorph, Animation, BoxMorph, MediaRecorder*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.gui = '2019-March-11';
+modules.gui = '2019-March-25';
 
 // Declarations
 
@@ -2430,15 +2430,18 @@ IDE_Morph.prototype.recordNewSound = function () {
 
 IDE_Morph.prototype.duplicateSprite = function (sprite) {
     var duplicate = sprite.fullCopy();
+    duplicate.isDown = false;
     duplicate.setPosition(this.world().hand.position());
     duplicate.appearIn(this);
     duplicate.keepWithin(this.stage);
+    duplicate.isDown = sprite.isDown;
     this.selectSprite(duplicate);
 };
 
 IDE_Morph.prototype.instantiateSprite = function (sprite) {
     var instance = sprite.fullCopy(true),
         hats = instance.allHatBlocksFor('__clone__init__');
+    instance.isDown = false;
     instance.appearIn(this);
     if (hats.length) {
         instance.initClone(hats);
@@ -2446,6 +2449,7 @@ IDE_Morph.prototype.instantiateSprite = function (sprite) {
         instance.setPosition(this.world().hand.position());
         instance.keepWithin(this.stage);
     }
+    instance.isDown = sprite.isDown;
     this.selectSprite(instance);
 };