Dear all,

I have some questions about the following topics: Morphic, the 
Zinc-HTTP-Client-Server, and NautilusRefactoring. I am wondering if someone can 
help ;)

I am visiting RMoD @ INRIA these days (I am now sitting at the “visiting 
tables” @ 3rd floor of INRIA). If someone is willingness to help, please come 
forward! To get an idea (and hopefully to collect some answers from people 
outside of Lille) here are my doubts

### Morphic
- How can I assess the “z index” of windows? For each window I’d like to know 
the % that is visible on screen, i.e., not covered from other windows.
- Is there a “general pattern” on how to extract which entity is “displayed” on 
a window? In System Browsers is easy, what about other types of windows?

### Zinc-HTTP-Client-Server
- How can I do a real upload (HTTP post) in background?

### NautilusRefactoring
- How does it work? Why there are different methods to remove a class, for 
example? e.g., NautilusRefactoring>>#removeClasses: vs. 
AbstractTool>>#removeClasses:
- Why #removeClasses: is triggered before the actual removal (i.e., 
confirmation dialogue)?

Cheers and thanks in advance,
Roberto

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