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AXUIElementCopyElementAtPosition call crashes OpenOffice
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AXUIElementCopyElementAtPosition call crashes OpenOffice

  • Subject: AXUIElementCopyElementAtPosition call crashes OpenOffice
  • From: Brian Krisler <email@hidden>
  • Date: Tue, 10 Apr 2012 22:18:03 -0400
Hi,

During some testing of an application that uses AXUIElementCopyElementAtPosition, I have discovered
that it is pretty easy to crash OpenOffice.

To reproduce:
 Run UIElementInspector (Xcode sample project)
 Launch OpenOffice.
 Create a new Text document
 Click on the Toolbar button for 'Font Color'
 Select 'Automatic'

OpenOffice will crash. Repeat the sequence without UIElementInspector, and everything works fine.
The same crash will occur if you click on the Highlight Button and select 'None'.

I have narrowed this crash down in my own code to the AXUIElementCopyElementAtPosition call.
This crash presents an interesting problem since I now have no way to get the UIElement for a given
position.

Has anyone else encountered this issue and have a workaround?

Thanks

Brian


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