--- a/frontends/src/primitivus/chat.py	Mon Jun 27 21:45:11 2016 +0200
+++ b/frontends/src/primitivus/chat.py	Mon Jun 27 21:45:13 2016 +0200
@@ -156,6 +156,10 @@
     def parent(self):
         return self.mess_data.parent
 
+    @property
+    def nick(self):
+        return self.occupant_data.nick
+
     def selectable(self):
         return True
 
@@ -253,6 +257,29 @@
 
         return super(Chat, self).keypress(size, key)
 
+    def completion(self, text, completion_data):
+        """Completion method which complete nicknames in group chat
+
+        for params, see [sat_widgets.AdvancedEdit]
+        """
+        if self.type != C.CHAT_GROUP:
+            return text
+
+        space = text.rfind(" ")
+        start = text[space + 1:]
+        words = [w.nick for w in self.occupants_walker if isinstance(w, OccupantWidget) and w.nick.startswith(start)]
+        if not words:
+            return text
+        try:
+            word_idx = words.index(completion_data['last_word']) + 1
+        except (KeyError, ValueError):
+            word_idx = 0
+        else:
+            if word_idx == len(words):
+                word_idx = 0
+        word = completion_data['last_word'] = words[word_idx]
+        return u"{}{}{}".format(text[:space + 1], word, ': ' if space < 0 else '')
+
     def getMenu(self):
         """Return Menu bar"""
         menu = sat_widgets.Menu(self.host.loop)

--- a/frontends/src/primitivus/primitivus	Mon Jun 27 21:45:11 2016 +0200
+++ b/frontends/src/primitivus/primitivus	Mon Jun 27 21:45:13 2016 +0200
@@ -64,36 +64,16 @@
 
     def _text_completion(self, text, completion_data, mode):
         if mode == C.MODE_INSERTION:
-            return self._nick_completion(text, completion_data)
+            if self.host.selected_widget is not None:
+                try:
+                    completion = self.host.selected_widget.completion
+                except AttributeError:
+                    return text
+                else:
+                    return completion(text, completion_data)
         else:
             return text
 
-    def _nick_completion(self, text, completion_data):
-        """Completion method which complete pseudo in group chat
-        for params, see AdvancedEdit"""
-        nicks = []
-        for profile, clist in self.host.contact_lists.iteritems():
-            for contact in clist.selected:
-                chat = self.host.widgets.getWidget(quick_chat.QuickChat, contact, profile)
-                if chat.type != C.CHAT_GROUP:
-                    continue
-                space = text.rfind(" ")
-                start = text[space + 1:]
-                nicks.extend(list(chat.occupants))
-        if nicks:
-            nicks.sort()
-            try:
-                start_idx = nicks.index(completion_data['last_nick']) + 1
-                if start_idx == len(nicks):
-                    start_idx = 0
-            except (KeyError, ValueError):
-                start_idx = 0
-            for idx in range(start_idx, len(nicks)) + range(0, start_idx):
-                if nicks[idx].lower().startswith(start.lower()):
-                    completion_data['last_nick'] = nicks[idx]
-                    return text[:space + 1] + nicks[idx] + (': ' if space < 0 else '')
-        return text
-
     def onTextEntered(self, editBar):
         """Called when text is entered in the main edit bar"""
         if self.mode == C.MODE_INSERTION: