Fix uncaught exception when quitting

deluge/ui/gtkui/mainwindow.py

@@ -152,7 +152,15 @@ class MainWindow(component.Component):
         """Returns a reference to the main window glade object."""
         return self.main_glade
 
-    def quit(self):
+    def quit(self, shutdown=False):
+        """
+        Quits the GtkUI
+
+        :param shutdown: whether or not to shutdown the daemon as well
+        :type shutdown: boolean
+        """
+        if shutdown:
+            client.daemon.shutdown()
         reactor.stop()
 
     def load_window_state(self):

deluge/ui/gtkui/menubar.py

@@ -253,10 +253,7 @@ class MenuBar(component.Component):
 
     def on_menuitem_quitdaemon_activate(self, data=None):
         log.debug("on_menuitem_quitdaemon_activate")
-        # Tell the core to shutdown
-        def on_shutdown(result):
-            self.window.quit()
-        client.daemon.shutdown().addCallback(on_shutdown)
+        self.window.quit(shutdown=True)
 
     def on_menuitem_quit_activate(self, data=None):
         log.debug("on_menuitem_quit_activate")

deluge/ui/gtkui/systemtray.py

@@ -323,9 +323,6 @@ class SystemTray(component.Component):
         if self.config["lock_tray"] and not self.window.visible():
             self.unlock_tray()
 
-        if self.config["classic_mode"]:
-            client.daemon.shutdown()
-
         self.window.quit()
 
     def on_menuitem_quitdaemon_activate(self, menuitem):
@@ -333,8 +330,7 @@ class SystemTray(component.Component):
         if self.config["lock_tray"] and not self.window.visible():
             self.unlock_tray()
 
-        client.daemon.shutdown()
-        self.window.quit()
+        self.window.quit(shutdown=True)
 
     def tray_setbwdown(self, widget, data=None):
         self.setbwlimit(widget, _("Set Maximum Download Speed"), "max_download_speed",