Fix up stopping classic mode

deluge/ui/client.py

@@ -613,6 +613,11 @@ class Client(object):
         """
         Disconnects from the daemon.
         """
+        if self.is_classicmode():
+            self._daemon_proxy.disconnect()
+            self.stop_classic_mode()
+            return
+            
         if self._daemon_proxy:
             return self._daemon_proxy.disconnect()
 
@@ -623,6 +628,13 @@ class Client(object):
         self._daemon_proxy = DaemonClassicProxy(self.__event_handlers)
         self.__started_in_classic = True
 
+    def stop_classic_mode(self):
+        """
+        Stops the daemon process in the client.
+        """
+        self._daemon_proxy = None
+        self.__started_in_classic = False
+        
     def start_daemon(self, port, config):
         """
         Starts a daemon process.

deluge/ui/gtkui/preferences.py

@@ -835,14 +835,9 @@ class Preferences(component.Component):
                 if response == gtk.RESPONSE_NO:
                     # Set each changed config value in the core
                     self.gtkui_config["classic_mode"] = True
-                    client.core.set_config({"classic_mode": True})
-                    client.force_call(True)
-                    # Update the configuration
-                    self.core_config.update({"classic_mode": True})
                     self.glade.get_widget("chk_classic_mode").set_active(True)
                 else:
                     client.disconnect()
-                    if client.is_classicmode():
                     component.stop()
             dialog = dialogs.YesNoDialog(
                 _("Attention"),