A new version of Morphic was added to project The Inbox:
http://source.squeak.org/inbox/Morphic-tcj.2000.mcz

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

Name: Morphic-tcj.2000
Author: tcj
Time: 5 June 2022, 11:27:16.56143 pm
UUID: c9b2a85f-cde3-453b-9cb9-898c3420bc07
Ancestors: Morphic-mt.1999

Optimize dragging into SystemWindows by not performing a complete 'activate' on mouse enter (which includes waking up the model and redrawing all submorphs & text).  Also, fix typo in another method comment.

=============== Diff against Morphic-mt.1999 ===============

Item was changed:
  ----- Method: SystemWindow>>mouseEnterDragging: (in category 'events') -----
  mouseEnterDragging: evt
  	"unlock children for drop operations"
  	
  	self flag: #performance. "mt: There may be no need to change appearance if no widget wants the drop."
  	self isActive ifTrue: [self lookFocused].
  		
  	(self isActive not and: [evt hand hasSubmorphs]) ifTrue: [
+ 		self submorphsDo: [:morph | morph unlock]. "unlock contents for drop"
- 		self activate. "unlock contents for drop"
  		evt hand addMouseListener: self. "for drop completion on submorph"
  	].!

Item was changed:
  ----- Method: SystemWindow>>startDragFromLabel: (in category 'events') -----
  startDragFromLabel: evt
+ 	"When label events are active, we need to pass dragging to the window explicitly.
- 	"When label events are active, we need to pass dragging to the window explicitely
  	 The window only recognizes a drag with an offset of more than 3 pixels"
  	
  	self isSticky ifTrue: [^ self].
  	self fastFramingOn 
  		ifTrue: [self doFastFrameDrag: evt cursorPoint]
  		ifFalse: [
  			self hasDropShadow: false.
  			evt hand grabMorph: self topRendererOrSelf]
  !