#3793 NORM Update.: When dragging into etoys, mouse pointer jumps to top left

[Zarro Boogs per Child]

#3793: When dragging into etoys, mouse pointer jumps to top left
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  Reporter:  bert            |       Owner:  Takashi           
      Type:  defect          |      Status:  new               
  Priority:  normal          |   Milestone:  Update.2          
 Component:  etoys-activity  |     Version:  Git as of bug date
Resolution:                  |    Keywords:  vm                
  Verified:  0               |    Blocking:                    
 Blockedby:                  |  
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Comment(by karl):

 This could be related to a issue that happen in Morph>>privateAddMorph:
 atIndex: when the added morph don't use/ know owners bounds. Or the
 initialization of a new morph is not relative to owner position.  I fixed
 this for ScriptEditorMorphs a while ago. The symptom was a big screen
 invalidation that slowed things down a lot.

 The fix was to explicitly tell the morph a approximate position before
 adding it:

 aMorph position: self position.
 self addMorph: aMorph.

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Ticket URL: <http://dev.laptop.org/ticket/3793#comment:5>
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