Move settings saving to persistance

Programs/GridProxyGUI/MainWindow.cs

@@ -323,47 +323,17 @@ public partial class MainWindow : Gtk.Window
         plugins.Store.Clear();
     }
 
-    void LoadSavedSettings()
-    {
-        if (Options.Instance.ContainsKey("main_split_pos"))
-        {
-            mainSplit.Position = Options.Instance["main_split_pos"];
-            mainSplit.PositionSet = true;
-        }
-        if (Options.Instance.ContainsKey("main_width"))
-        {
-            Resize(Options.Instance["main_width"], Options.Instance["main_height"]);
-            Move(Options.Instance["main_x"], Options.Instance["main_y"]);
-        }
-    }
-
-    void OnQuit()
-    {
-        StopProxy();
-        Options.Instance["main_split_pos"] = mainSplit.Position;
-        int x, y;
-
-        GetSize(out x, out y); ;
-        Options.Instance["main_width"] = x;
-        Options.Instance["main_height"] = y;
-
-        GetPosition(out x, out y);
-        Options.Instance["main_x"] = x;
-        Options.Instance["main_y"] = y;
-
-        Options.Instance.Save();
-        Application.Quit();
-    }
-
     protected void OnDeleteEvent(object sender, DeleteEventArgs a)
     {
-        OnQuit();
+        StopProxy();
+        SaveSettings();
         a.RetVal = true;
     }
 
     protected void OnExitActionActivated(object sender, EventArgs e)
     {
-        OnQuit();
+        StopProxy();
+        SaveSettings();
     }
 
     protected void OnBtnStartClicked(object sender, EventArgs e)