[Pidgin] #115: Double-click on group chat should raise if exists

[Pidgin]

#115: Double-click on group chat should raise if exists
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  Reporter:  sgarrity      |       Owner:  kstange
      Type:  enhancement   |      Status:  new    
  Priority:  minor         |   Milestone:         
 Component:  pidgin (gtk)  |     Version:  2.0    
Resolution:                |    Keywords:         
   Pending:  0             |  
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Changes (by seanegan):

  * owner:  => kstange

Comment:

 Assigning to Ka-hing, since it looks like he's looked at this already.

 Unlike buddies, chats are not unique to a name/account pair, but
 identified by an account an a hashtable of parameters. Perhaps we should,
 when creating a chat do a g_object_set_data on it with a pointer to the
 blist node it came from. Then, when we want to open a chat, we iterate all
 the conversations and see if it's already open.

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Ticket URL: <http://developer.pidgin.im/ticket/115#comment:4>
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