primitivus (chat): added :topic (and :subject and :title aliases) to change subject with a dialog (/!\ urwid SàText need to be updated)

frontends/src/primitivus/chat.py

@@ -603,5 +603,18 @@ class Chat(PrimitivusWidget, quick_chat.QuickChat):
             self.title_dynamic = C.CHAT_STATE_ICON[state]
             self.host.redraw()  # FIXME: should not be necessary
 
+    def _onSubjectDialogCb(self, button, dialog):
+        self.changeSubject(dialog.text)
+        self.host.removePopUp(dialog)
+
+    def onSubjectDialog(self, new_subject=None):
+        dialog = sat_widgets.InputDialog(
+            _(u'Change title'),
+            _(u'Enter the new title'),
+            default_txt=new_subject if new_subject is not None else self.subject)
+        dialog.setCallback('ok', self._onSubjectDialogCb, dialog)
+        dialog.setCallback('cancel', lambda dummy: self.host.removePopUp(dialog))
+        self.host.showPopUp(dialog)
+
 quick_widgets.register(quick_chat.QuickChat, Chat)
 quick_widgets.register(quick_games.Tarot, game_tarot.TarotGame)

frontends/src/primitivus/primitivus

@@ -138,6 +138,14 @@ class EditBar(sat_widgets.ModalEdit):
             # FIXME: Q&D way, need to be more generic
             if isinstance(widget, quick_chat.QuickChat):
                 widget.setFilter(args)
+        elif command in ('topic', 'suject', 'title'):
+            try:
+                new_title = args[0].strip()
+            except IndexError:
+                new_title = None
+            widget = self.host.selected_widget
+            if isinstance(widget, quick_chat.QuickChat) and widget.type == C.CHAT_GROUP:
+                widget.onSubjectDialog(new_title)
         else:
             return
         self.set_edit_text('')

frontends/src/quick_frontend/quick_chat.py

@@ -423,9 +423,17 @@ class QuickChat(quick_widgets.QuickWidget):
 
     def setSubject(self, subject):
         """Set title for a group chat"""
-        self.subject = subject
         if self.type != C.CHAT_GROUP:
             raise exceptions.InternalError("trying to set subject for a non group chat window")
+        self.subject = subject
+
+    def changeSubject(self, new_subject):
+        """Change the subject of the room
+
+        This change the subject on the room itself (i.e. via XMPP),
+        while setSubject change the subject of this widget
+        """
+        self.host.bridge.mucSubject(unicode(self.target), new_subject, self.profile)
 
     def addGamePanel(self, widget):
         """Insert a game panel to this Chat dialog.