--- a/ProgressIndicator.st	Sat Mar 21 11:42:53 2020 +0100
+++ b/ProgressIndicator.st	Wed Apr 01 10:38:02 2020 +0200
@@ -443,7 +443,7 @@
 
     top := Dialog new.
     top label:aLabel.
-    top cursor:(Cursor wait).
+    top cursor:Cursor wait.
 
     y2 := 0.
     anIcon notNil ifTrue:[
@@ -451,7 +451,7 @@
         label := top addTextLabel:anIcon.
         label borderWidth:0.
         label adjust:#left.
-        label cursor:(Cursor wait).
+        label cursor:Cursor wait.
         y2 := top yPosition.
         top yPosition:y.
     ].
@@ -460,8 +460,8 @@
     label sizeFixed:false.
     label borderWidth:0.
     label adjust:#left.
-    label cursor:(Cursor wait).
-    anIcon notNil ifTrue: [label leftInset:(anIcon width + 10)].
+    label cursor:Cursor wait.
+    anIcon notNil ifTrue:[label leftInset:(anIcon width + 10)].
 
     top 
         yPosition:(top yPosition max:y2);
@@ -473,7 +473,7 @@
         level:-1;
         leftInset:5;
         rightInset:5;
-        cursor:(Cursor wait);
+        cursor:Cursor wait;
         closeTopWhenDone:closeWhenDoneBoolean;
         connectToTop:top label:label;
         yourself.
@@ -497,6 +497,7 @@
 
     "Created: / 17-07-1996 / 15:14:33 / cg"
     "Modified: / 25-11-2019 / 15:44:52 / Stefan Vogel"
+    "Modified (format): / 31-03-2020 / 19:15:34 / Stefan Vogel"
 !
 
 inBoxWithLabel:aLabel text:text abortable:abortable
@@ -664,8 +665,8 @@
         CannotReturnError catch:[
             DialogBox closeBoxNotificationSignal handle:[:ex |
                 "/ make it go away immediately
-                "/ but let it stay in its window-group process
-                p topView device unmapWindow:p topView drawableId.
+                "/ but let it stay in its window-group process (do not #destroy)
+                p topView basicUnmap.
                 ex proceed
             ] do:[
                 aBlock valueWithOptionalArgument:p.    
@@ -695,6 +696,8 @@
 
     "Created: / 12-11-2010 / 18:59:13 / cg"
     "Modified: / 01-10-2018 / 17:09:37 / Claus Gittinger"
+    "Modified: / 31-03-2020 / 19:08:45 / Stefan Vogel"
+    "Modified (format): / 01-04-2020 / 10:37:21 / Stefan Vogel"
 !
 
 displayBusyIndicator:aLabel message:messageString at:aPoint during:aBlock
@@ -1643,10 +1646,9 @@
         connectedLabel 
             model:labelValue;
             aspect:#value;
-            labelMessage:#value.
-
-        connectedLabel preferredExtent:(connectedLabel computePreferredExtent).
-        connectedLabel forceResize.
+            labelMessage:#value;
+            preferredExtent:(connectedLabel computePreferredExtent);
+            forceResize.
         connectedTop forceResize.
         "/ connectedTop windowGroup processEvents.
     ] ifFalse:[
@@ -1661,10 +1663,13 @@
                 ActivityNotification handle:[:ex |
                     labelValue value:(ex messageText).
                     connectedLabel notNil ifTrue:[ 
-                        connectedLabel preferredExtent:(connectedLabel computePreferredExtent).
-                        connectedLabel forceResize.
+                        connectedLabel 
+                            preferredExtent:(connectedLabel computePreferredExtent);
+                            forceResize.
                         connectedTop forceResize.
-                        connectedTop windowGroup processEvents.
+                        connectedTop windowGroup notNil ifTrue:[
+                            connectedTop windowGroup processEvents.
+                        ].    
                     ].
                     ex proceed.
                 ] do:[  
@@ -1695,18 +1700,14 @@
             name:'ProgressIndicator executor';
             yourself.
 
-    Processor activeProcess 
-        withHigherPriorityDo:
-            [
-                p resume.
-                self topView show.
-            ].
+    Processor activeProcess withHigherPriorityDo:[
+                                p resume.
+                                self topView show.
+                            ].
 
     self stopBusyIndicationProcess.
-    closeTopWhenDone ifTrue:[
-        connectedTop notNil ifTrue:[
-            connectedTop destroy
-        ].
+    (closeTopWhenDone and:[connectedTop notNil]) ifTrue:[
+        connectedTop destroy
     ].
     p notNil ifTrue:[p terminate].
 
@@ -1737,8 +1738,8 @@
 
     "Modified: / 07-11-2011 / 21:53:46 / cg"
     "Modified (format): / 08-01-2012 / 12:00:39 / cg"
-    "Modified: / 11-07-2018 / 11:31:46 / Stefan Vogel"
     "Modified: / 01-10-2018 / 16:55:07 / Claus Gittinger"
+    "Modified: / 31-03-2020 / 19:51:46 / Stefan Vogel"
 !
 
 showProgressOf:aBlock