[Pidgin] #13465: Patch for using mood messages with ICQ

[Pidgin]

#13465: Patch for using mood messages with ICQ
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 Reporter:  dustin                                          |     Owner:  MarkDoliner
     Type:  patch                                           |    Status:  new        
Component:  ICQ                                             |   Version:  2.7.10     
 Keywords:  x-status mood comment message check visibility  |  
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 This patch changes libpurple's behaviour to actually send the mood message
 upon an x-status request.
 The text entry field in the User Mood dialog is activated now.


 Changes to protocols/oscar/icbm.c:

 - The x-status reply now contains:
     title: "" (No use for this field at the moment. We only have one text
 field and other information at hand, like the mood's name, is already
 displayed anyway)

     description: the x-status mood message (= mood comment).
 (Formerly, the reply contained only the redundant availability status
 information)

 - Fixed a typo in the XML template string for x-status replies. Because of
 this other clients could not read Pidgin's x-status messages.

 - No reply is sent if the request comes from a buddy to whom we are
 invisible at the moment (else the reply could be used to probe if we are
 online).


 Also includes two new public functions:

 - oscar_is_visible_to_buddy() in protocols/oscar/visibility.c:

     Checks if a particular buddy can see us right now. If we want to be
 really, really invisible to a buddy, we should not send any replies. Maybe
 this function could also be useful in other places of the code.

 - purple_str_truncate_at_pos() in util.c.

     Truncates a string and puts a "..." at the end.
     I've seen these few lines in several places in the code and separated
 them just for reasons of readability. Hope this is alright.

-- 
Ticket URL: <http://developer.pidgin.im/ticket/13465>
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