From 7afc5151e4e95b470e7576c0050ec6e76feb11f2 Mon Sep 17 00:00:00 2001
From: Stefan Kremser <stef.1497@gmail.com>
Date: Wed, 11 Apr 2018 20:17:49 +0200
Subject: [PATCH] Only open list-menu if it has nodes

---
 esp8266_deauther/DisplayUI.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/esp8266_deauther/DisplayUI.cpp b/esp8266_deauther/DisplayUI.cpp
index 728d652..52a4e9b 100644
--- a/esp8266_deauther/DisplayUI.cpp
+++ b/esp8266_deauther/DisplayUI.cpp
@@ -799,6 +799,13 @@ void DisplayUI::clearMenu(Menu* menu) {
 
 void DisplayUI::changeMenu(Menu* menu) {
   if (menu) {
+    // only open list menu if it has nodes
+    if((menu == &apListMenu && accesspoints.count() == 0) ||
+        (menu == &stationListMenu && stations.count() == 0) ||
+        (menu == &nameListMenu && names.count() == 0) ||
+        (menu == &ssidListMenu && ssids.count() == 0)){
+      return;
+    }
     if (currentMenu) clearMenu(currentMenu);
     currentMenu = menu;
     currentMenu->selected = 0;