update Contact instance in privateChatControl. see #4292

src/common/caps.py

@@ -228,12 +228,14 @@ class ConnectionCaps(object):
 		# we will put these into proper Contact object and ask
 		# for disco... so that disco will learn how to interpret
 		# these caps
+		pm_ctrl = None
 		jid = helpers.get_full_jid_from_iq(presence)
 		contact = gajim.contacts.get_contact_from_full_jid(self.name, jid)
 		if contact is None:
 			room_jid, nick = gajim.get_room_and_nick_from_fjid(jid)
 			contact = gajim.contacts.get_gc_contact(
 				self.name, room_jid, nick)
+			pm_ctrl = gajim.interface.msg_win_mgr.get_control(jid, self.name)
 			if contact is None:
 				# TODO: a way to put contact not-in-roster
 				# into Contacts
@@ -267,6 +269,8 @@ class ConnectionCaps(object):
 		contact.caps_node = node
 		contact.caps_hash_method = hash_method
 		contact.caps_hash = hash
+		if pm_ctrl:
+			pm_ctrl.update_contact()
 
 	def _capsDiscoCB(self, jid, node, identities, features, dataforms):
 		contact = gajim.contacts.get_contact_from_full_jid(self.name, jid)

src/groupchat_control.py

@@ -162,6 +162,9 @@ class PrivateChatControl(ChatControl):
 			self.got_connected()
 		ChatControl.update_ui(self)
 
+	def update_contact(self):
+		self.contact = gajim.contacts.contact_from_gc_contact(self.gc_contact)
+
 
 class GroupchatControl(ChatControlBase):
 	TYPE_ID = message_control.TYPE_GC