From 87983cb00ea2e946bab879fdb6af308b7b885a9d Mon Sep 17 00:00:00 2001
From: anschrammh <bugreport@laposte.net>
Date: Sat, 16 Mar 2019 20:08:26 +0100
Subject: [PATCH] Implemented displayNextView method

---
 src/app/ScreenManager.cpp | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/app/ScreenManager.cpp b/src/app/ScreenManager.cpp
index 086d4ee..c4b4491 100644
--- a/src/app/ScreenManager.cpp
+++ b/src/app/ScreenManager.cpp
@@ -213,7 +213,22 @@ boolean ScreenManager::displayView(const int UID)
 
 boolean ScreenManager::displayNextView()
 {
-  return true;
+  if(_currentView->UID < 0) return false;
+  
+  if(_currentView == NO_CURRENT_VIEW && !isListEmpty(_viewLinkedList))
+  {
+    _currentView = _viewLinkedList;
+    return displayView();
+  }
+    
+  if(!isListEmpty(_currentView->next))
+  {
+    _currentView = _currentView->next;
+    return displayView();
+  }
+
+  _currentView = _viewLinkedList;
+  return displayView();
 }
 
 void ScreenManager::invertDisplayColor(const boolean inverted)