A new version of ToolBuilder-MVC was added to project The Inbox:
http://source.squeak.org/inbox/ToolBuilder-MVC-bp.19.mcz

==================== Summary ====================

Name: ToolBuilder-MVC-bp.19
Author: bp
Time: 2 April 2010, 11:37:19.607 pm
UUID: ee4164eb-fca3-4d5f-af5c-3155f9d7ea6b
Ancestors: ToolBuilder-MVC-dtl.18

add support for LayoutFrames in addition to Rectangle frames

=============== Diff against ToolBuilder-MVC-dtl.18 ===============

Item was changed:
  ----- Method: MVCToolBuilder>>setFrame:in: (in category 'private') -----
+ setFrame: fractionsRectangleOrLayoutFrame in: widget
- setFrame: aRectangle in: widget
  	| win |
+ 	fractionsRectangleOrLayoutFrame ifNil: [^nil].
+ 	win := fractionsRectangleOrLayoutFrame isRectangle
+ 		ifTrue: [self asWindow: fractionsRectangleOrLayoutFrame]
+ 		ifFalse: [fractionsRectangleOrLayoutFrame layout: nil in: topSize]. "assume LayoutFrame"
- 	aRectangle ifNil:[^nil].
- 	win := self asWindow: aRectangle.
  	widget window: win.!