Follow nick change in private message. fixes #3455

src/gajim.py

@@ -1128,6 +1128,20 @@ class Interface:
 
 		# print status in chat window and update status/GPG image
 		if ctrl:
+			statusCode = array[9]
+			if '303' in statusCode:
+				new_nick = array[10]
+				ctrl.print_conversation(_('%s is now known as %s') % (nick,
+					new_nick), 'status')
+				gc_c = gajim.contacts.get_gc_contact(account, room_jid, new_nick)
+				c = gajim.contacts.contact_from_gc_contact(gc_c)
+				ctrl.gc_contact = gc_c
+				ctrl.contact = c
+				ctrl.draw_banner()
+				old_jid = room_jid + '/' + nick
+				new_jid = room_jid + '/' + new_nick
+				self.msg_win_mgr.change_key(old_jid, new_jid, account)
+			else:
 				contact = ctrl.contact
 				contact.show = show
 				contact.status = status

src/groupchat_control.py

@@ -251,7 +251,8 @@ class GroupchatControl(ChatControlBase):
 		self.handlers[id] = self.change_subject_menuitem
 
 		self.history_menuitem = xm.get_widget('history_menuitem')
-		id = self.history_menuitem.connect('activate', self._on_history_menuitem_activate)
+		id = self.history_menuitem.connect('activate',
+			self._on_history_menuitem_activate)
 		self.handlers[id] = self.history_menuitem
 
 		self.minimize_menuitem = xm.get_widget('minimize_menuitem')
@@ -986,7 +987,8 @@ class GroupchatControl(ChatControlBase):
 							self.attention_list.remove(nick)
 						# keep nickname color
 						if nick in self.gc_custom_colors:
-							self.gc_custom_colors[new_nick] = self.gc_custom_colors[nick]
+							self.gc_custom_colors[new_nick] = \
+								self.gc_custom_colors[nick]
 					# rename vcard / avatar
 					puny_jid = helpers.sanitize_filename(self.room_jid)
 					puny_nick = helpers.sanitize_filename(nick)

src/message_window.py

@@ -511,6 +511,16 @@ class MessageWindow:
 			nth_child = notebook.get_nth_page(page_num)
 			return self._widget_to_control(nth_child)
 
+	def change_key(self, old_jid, new_jid, acct):
+		'''Change the key of a control'''
+		try:
+			# Check if control exists
+			ctrl = self._controls[acct][old_jid]
+		except:
+			return
+		self._controls[acct][new_jid] = self._controls[acct][old_jid]
+		del self._controls[acct][old_jid]
+
 	def controls(self):
 		for ctrl_dict in self._controls.values():
 			for ctrl in ctrl_dict.values():
@@ -801,6 +811,17 @@ class MessageWindowMgr:
 		self._windows[key] = win
 		return win
 
+	def change_key(self, old_jid, new_jid, acct):
+		win = self.get_window(old_jid, acct)
+		if self.mode == self.ONE_MSG_WINDOW_NEVER:
+			old_key = acct + old_jid
+			if old_jid not in self._windows:
+				return
+			new_key = acct + new_jid
+			self._windows[new_key] = self._windows[old_key]
+			del self._windows[old_key]
+		win.change_key(old_jid, new_jid, acct)
+
 	def _on_window_delete(self, win, event):
 		self.save_state(self._gtk_win_to_msg_win(win))
 		gajim.interface.save_config()