--- a/UIPainter.st	Tue May 08 11:26:59 2001 +0200
+++ b/UIPainter.st	Tue May 08 11:34:29 2001 +0200
@@ -22,7 +22,7 @@
 !
 
 SelectionInTreeView subclass:#TreeView
-	instanceVariableNames:'lastDrawnMaster cvsEventsDisabled windowSpec'
+	instanceVariableNames:'lastDrawnMaster cvsEventsDisabled windowSpec windowSpecClass'
 	classVariableNames:''
 	poolDictionaries:''
 	privateIn:UIPainter
@@ -2317,6 +2317,10 @@
     ^ Image fromFile:'bitmaps/xpmBitmaps/misc_tools/setup_windows.xpm'
 
     "Created: / 13.8.1998 / 20:33:05 / cg"
+!
+
+defaultWindowSpecClass
+    ^ WindowSpec
 ! !
 
 !UIPainter methodsFor:'event handling'!
@@ -2903,13 +2907,14 @@
     "/ the canvas ...
 
     treeView    := TreeView new.
+    treeView windowSpecClass:(self defaultWindowSpecClass).
     painterView := StandardSystemView new.
 
     name := name ? UIPainter defaultNameOfCanvas.
 
     painterView name: name.
     painterView label: name.
-    painterView extent:300@300.
+    painterView extent:(treeView windowSpecClass defaultExtentInUIPainter). "/ 300@300.
 
     painter := UIPainterView in:painterView.
     painter layout:(0.0 @ 0.0 corner:1.0 @ 1.0) asLayout.
@@ -3686,7 +3691,7 @@
 
     |spec list key block cls canvas modelBlock|
 
-    spec := WindowSpec new.
+    spec := self windowSpecClass new.
     canvas := self canvas.
 
     spec fromView:(canvas topView) callBack:nil.
@@ -3707,10 +3712,13 @@
         ]
     ].
 
-    self propertiesDo:[:aProp| |aspect entry|
+    self propertiesDo:[:aProp| 
+        |propsSpec|
+
         spec exportedAspectsAddKey:(aProp model) type:nil.
-        aProp spec aspectSelectors do:[:aKey|spec exportedAspectsAddKey:aKey type:nil].
-        aProp spec actionSelectors do:[:aKey|spec exportedAspectsAddKey:aKey type:#action].
+        propsSpec := aProp spec.
+        propsSpec aspectSelectors do:[:aKey|spec exportedAspectsAddKey:aKey type:nil].
+        propsSpec actionSelectors do:[:aKey|spec exportedAspectsAddKey:aKey type:#action].
     ].
   ^ spec
 !
@@ -3755,6 +3763,18 @@
     ^ lastDrawnMaster
 
 
+!
+
+windowSpecClass
+    "returns the default  windowSpecClass (WindowSpec)"
+
+    ^ windowSpecClass ? WindowSpec
+!
+
+windowSpecClass:aClass
+    "set the default windowSpecClass"
+
+    ^ windowSpecClass := aClass
 ! !
 
 !UIPainter::TreeView methodsFor:'accessing property'!
@@ -3864,7 +3884,7 @@
 
     |name canvasView builder|
 
-    windowSpec := WindowSpec new copyValuesFromSpec:aWindowSpec.
+    windowSpec := (self windowSpecClass) new copyValuesFromSpec:aWindowSpec.
     canvasView := self canvas.
 
     builder := UIBuilder new isEditing:true.