void usb_connection_gui(void)
{
    bool done = false;
    struct gui_synclist lists;
    int i, action, selection;
    FOR_NB_SCREENS(i)
        viewportmanager_theme_enable(i, true, NULL);
        
        
    gui_synclist_init(&lists, usblist_get_name,  NULL, 
                      false, 1, NULL);
    gui_synclist_set_title(&lists, "Usb Connection Menu", Icon_Rockbox);
    gui_synclist_set_icon_callback(&lists, usblist_get_icon);
    gui_synclist_set_nb_items(&lists, 10);
    gui_synclist_select_item(&lists, 0);

    
    while (!done)
    {
        gui_synclist_draw(&lists);
        list_do_action(CONTEXT_STD, HZ,
                       &lists, &action, LIST_WRAP_UNLESS_HELD);
        switch (action)
        {
            case ACTION_STD_OK:        
                /* fix the toggles or run the screen */
                selection = gui_synclist_get_sel_pos(&lists);
                switch (selection)
                {
                    case 0: /* run! */
                        done = true;
                        break;
                    case 1: /* battery only */
                        break;
                    case 2: /* headers, do nothing */
                    case 5: 
                        break;
                    case 3: /* storage modes */
                    case 4:
                        if (!items[selection].enabled)
                        {
                            items[selection==3?4:3].enabled = false;
                            items[selection].enabled = true;
                        }
                        else
                            items[selection].enabled = false;
                        break;
                    case 6: /* HID modes */
                    case 7:
                    case 8:
                    case 9:
                        if (!items[selection].enabled)
                        {
                            for (i=6;i<=9;i++)
                            {
                                if (i == selection)
                                    items[i].enabled = true;
                                else
                                    items[i].enabled = false;
                            }
                        }
                        else
                            items[selection].enabled = false;
                        break;
                } /* switch() */
                break;
        } /* switch(action) */
    }
#ifdef USB_ENABLE_STORAGE
    usb_core_enable_driver(USB_DRIVER_MASS_STORAGE, items[3].enabled);
    splashf(HZ, "MSC %s", items[3].enabled?"Yes":"no");
#endif
#ifdef USB_ENABLE_HID
    bool hid_enabled = false;
    for (i=6;i<=9;i++)
    {
        if (items[i].enabled)
            hid_enabled = true;
    }
    usb_core_enable_driver(USB_DRIVER_HID, hid_enabled);
    splashf(HZ, "HID %s", hid_enabled?"Yes":"no");
#endif
#ifdef USB_ENABLE_CHARGING_ONLY
    usb_core_enable_driver(USB_DRIVER_CHARGING_ONLY, false);
#endif
    usb_core_enable_driver(USB_DRIVER_MTP, items[4].enabled); 
    splashf(HZ, "MTP %s", items[4].enabled?"Yes":"no");
    
    FOR_NB_SCREENS(i)
        viewportmanager_theme_undo(i, true);         
}