allow smaller stage extent in embed mode

for social website

HISTORY.md

@@ -3,6 +3,7 @@
 ## in development
 ### 2018-11-28
 * Objects: added special checks to make imporing text-based files into vars easier in Windows
+* GUI: allow smaller stage extent in embed mode (for social website)
 
 ### 2018-11-27
 * Objects: Cache stage>>penTrailsMorph to optimize collision detection

snap.html

@@ -9,7 +9,7 @@
         <script type="text/javascript" src="src/blocks.js?version=2018-11-13"></script>
         <script type="text/javascript" src="src/threads.js?version=2018-10-26"></script>
         <script type="text/javascript" src="src/objects.js?version=2018-11-28"></script>
-        <script type="text/javascript" src="src/gui.js?version=2018-11-27"></script>
+        <script type="text/javascript" src="src/gui.js?version=2018-11-28"></script>
         <script type="text/javascript" src="src/paint.js?version=2018-10-02"></script>
         <script type="text/javascript" src="src/lists.js?version=2018-10-02"></script>
         <script type="text/javascript" src="src/byob.js?version=2018-11-12"></script>

src/gui.js

@@ -75,7 +75,7 @@ isRetinaSupported, SliderMorph, Animation, BoxMorph, MediaRecorder*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.gui = '2018-November-27';
+modules.gui = '2018-November-28';
 
 // Declarations
 
@@ -1852,9 +1852,13 @@ IDE_Morph.prototype.setExtent = function (point) {
 
     // determine the minimum dimensions making sense for the current mode
     if (this.isAppMode) {
-        minExt = StageMorph.prototype.dimensions.add(
-            this.controlBar.height() + 10
-        );
+        if (this.isEmbedMode) {
+            minExt = new Point(100, 100);
+        } else {
+            minExt = StageMorph.prototype.dimensions.add(
+                this.controlBar.height() + 10
+            );
+        }
     } else {
         if (this.stageRatio > 1) {
             minExt = padding.add(StageMorph.prototype.dimensions);