[Pidgin] #4573: Simple GCompareFunc-y API for adding sort methods to the buddy list

[Pidgin]

#4573: Simple GCompareFunc-y API for adding sort methods to the buddy list
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 Reporter:  resiak        |       Owner:       
     Type:  enhancement   |      Status:  new  
 Priority:  minor         |   Milestone:       
Component:  pidgin (gtk)  |     Version:  2.3.1
 Keywords:                |     Pending:  0    
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 I just looked at the API for adding sort methods to the Pidgin buddy list.

 The signature of sorting functions,
 [http://developer.pidgin.im/doxygen/2.0.0/html/gtkblist_8h.html#e5001cabbbf30a90fecb55e46ff09016
 pidgin_blist_sort_function], is relatively opaque and intimidating.  Aside
 from someone who understands this stuff already (which probably means
 "someone who's worked with `GtkTreeViews`") documenting it, it'd be slick
 if new sort methods could be added by specifying a `GCompareFunc` to
 compare two `PurpleBlistNodes`.

 (Were this the case, it'd be trivial to write a "Mountains of Sort
 Methods" plugin to add alphabetical by screen name, sorted by last talked
 to, etc. methods, silencing a particular class of FAQ!)

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Ticket URL: <http://developer.pidgin.im/ticket/4573>
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