[Pidgin] #14300: IRC disconnect+reconnect spawns 2nd window; closing dead original window issues PART

[Pidgin]

#14300: IRC disconnect+reconnect spawns 2nd window; closing dead original window
issues PART
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 Reporter:  grank                                            |     Owner:  elb   
     Type:  defect                                           |    Status:  new   
Component:  IRC                                              |   Version:  2.7.11
 Keywords:  irc part cannot send to channel multiple window  |  
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 As noted in ticket #14202, this could be seen as two separate tickets, but
 they're related so I'm entering them as one ticket.

 When I disconnect from IRC, either explicitly by setting my status to
 Offline or implicitly by putting the machine to sleep, the IRC channel
 window is left open with the message "The account has disconnected and you
 are no longer in this chat. You will be automatically rejoined in the chat
 when the account reconnects."

 However, when I then reconnect, most of the time it spawns a new window
 for that channel rather than re-using the one it has left open.

 This creates a problem, in that when I go to close the old, now dead
 original window, pidgin sends a PART for the channel.  The newer chat
 window is still open, and nothing is added to it to indicate it's now
 disconnected, but it will never receive any more updates.  If one then
 types in the window and tries to send, it'll pop an error dialog saying
 "Cannot send to channel" (which actually comes from the IRC server).

 Basically, this means that if I disconnect without closing the window, and
 then reconnect before I can close the window, I have to close both windows
 and then start a new one manually.  If I fail to do that and just close
 the old dead one, I am silently not in the channel.

 This is occurring to me on irc.freenode.net.

 The channel is being auto-joined by having been added to my contact list
 via "Add Chat..." and checking the Auto-join checkbox.

 This occurs even with all plugins disabled that can be disabled from the
 checkboxes in the Plugins screen.  (The only other one is SIPe, which I
 need, but that would be the only plugin I haven't disabled to confirm this
 issue is not plugin-related.)

 There are two problems to solve here: [[BR]]
 1) Getting the reconnect to re-use the existing window rather than
 starting a new one, and [[BR]]
 2) Getting a disconnected window to not send PART.  [[BR]]
 Solving only 1) will resolve this ticket, but solving only 2) would not.
 Ideally, one would solve both 1) and 2) in order to close the ticket.

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Ticket URL: <http://developer.pidgin.im/ticket/14300>
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