#12630 HIGH 13.2.0: Touchscreen breakage due to problems with grabs

[Zarro Boogs per Child]

#12630: Touchscreen breakage due to problems with grabs
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           Reporter:  tomyin           |       Owner:  dsd          
               Type:  defect           |      Status:  new          
           Priority:  high             |   Milestone:  13.2.0       
          Component:  x window system  |     Version:  not specified
         Resolution:                   |    Keywords:               
        Next_action:  never set        |    Verified:  0            
Deployment_affected:                   |   Blockedby:               
           Blocking:                   |  
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Comment(by erikos):

 I can confirm that we have a fix in os3, in os2 I have been seeing the
 following:

 - boot XO-4

 - use the mouse to open Paint

 - do some drawing with the mouse/trackpad (move finger over trackpad while
 holding the left button down), do some drawings with touch, do some
 drawings with the mouse/trackpad again

 ---> everything works as expected

 - now use touch to reveal a sub-toolbar (e.g. the Edit sub-toolbar)

 - move the pointer with the trackpad now over the canvas

 ---> you get some drawing even without holding the left button down

 - do one touch on the canvas

 - move the finger over the trackpad again

 --> there is no drawing occurring, the behavior is as expected again

 - close the sub-toolbar with a touch

 - move the finger over the trackpad again

 ---> you get some drawing even without holding the left button down

 In os3 now, I can not reproduce it anymore.

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Ticket URL: <http://dev.laptop.org/ticket/12630#comment:9>
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