reply to message receipt only when we are the recipient of the message. see #7548.

[tmolitor] display message receipt (xep 0184) for carbon copied messages. Fixes #8258

src/common/connection_handlers.py

@@ -1169,12 +1169,20 @@ class ConnectionHandlersBase:
         contact = gajim.contacts.get_contact(self.name, obj.jid)
         nick = obj.resource
         gc_contact = gajim.contacts.get_gc_contact(self.name, obj.jid, nick)
+        jid_to = obj.stanza.getTo()
+        reply = False
+        if not jid_to:
+            reply = True
+        else:
+            fjid_to = helpers.parse_jid(str(jid_to))
+            jid_to = gajim.get_jid_without_resource(fjid_to)
+            if jid_to == gajim.get_jid_from_account(self.name):
+                reply = True
         if obj.receipt_request_tag and gajim.config.get_per('accounts',
         self.name, 'answer_receipts') and ((contact and contact.sub \
         not in ('to', 'none')) or gc_contact) and obj.mtype != 'error' and \
-        not obj.forwarded:
+        reply:
             receipt = nbxmpp.Message(to=obj.fjid, typ='chat')
-            receipt.setID(obj.id_)
             receipt.setTag('received', namespace='urn:xmpp:receipts',
                 attrs={'id': obj.id_})
 

src/common/connection_handlers_events.py

@@ -2349,6 +2349,9 @@ class NotificationEvent(nec.NetworkIncomingEvent):
                 self.control_focused = True
 
     def handle_incoming_msg_event(self, msg_obj):
+        # don't alert for carbon copied messages from ourselves
+        if msg_obj.sent:
+            return
         if not msg_obj.msgtxt:
             return
         self.jid = msg_obj.jid

src/roster_window.py

@@ -2756,15 +2756,18 @@ class RosterWindow:
             return
         if obj.session.control and obj.mtype == 'chat':
             typ = ''
+            xep0184_id = None
             if obj.mtype == 'error':
                 typ = 'error'
             if obj.forwarded and obj.sent:
                 typ = 'out'
+                xep0184_id = obj.id_
 
             obj.session.control.print_conversation(obj.msgtxt, typ,
                 tim=obj.timestamp, encrypted=obj.encrypted, subject=obj.subject,
                 xhtml=obj.xhtml, displaymarking=obj.displaymarking,
-                msg_id=obj.msg_id, correct_id=(obj.id_, obj.correct_id))
+                msg_id=obj.msg_id, correct_id=(obj.id_, obj.correct_id),
+                xep0184_id=xep0184_id)
             if obj.msg_id:
                 pw = obj.session.control.parent_win
                 end = obj.session.control.was_at_the_end