From cb3dc4d54444ff6c710c8ac1e7dd5e78049c1320 Mon Sep 17 00:00:00 2001
From: Petteri Aimonen <petteri.aimonen@espotel.com>
Date: Thu, 22 Sep 2016 11:17:37 -0600
Subject: [PATCH] NxWidgets: Fix CListBox crash when clicked below the last
 item

---
 libnxwidgets/include/clistdata.hxx | 11 +++++++++--
 libnxwidgets/src/clistbox.cxx      |  5 +++++
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/libnxwidgets/include/clistdata.hxx b/libnxwidgets/include/clistdata.hxx
index da46a6acd..ad8ec3803 100644
--- a/libnxwidgets/include/clistdata.hxx
+++ b/libnxwidgets/include/clistdata.hxx
@@ -1,7 +1,7 @@
 /****************************************************************************
  * NxWidgets/libnxwidgets/include/clistdata.hxx
  *
- *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2012, 2016 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -259,7 +259,14 @@ namespace NXWidgets
 
     virtual inline const CListDataItem *getItem(const int index) const
     {
-      return m_items[index];
+      if (index < 0 || index >= m_items.size())
+        {
+          return nullptr;
+        }
+      else
+        {
+          return m_items[index];
+        }
     }
 
     /**
diff --git a/libnxwidgets/src/clistbox.cxx b/libnxwidgets/src/clistbox.cxx
index 1c5d1e507..bcf612343 100644
--- a/libnxwidgets/src/clistbox.cxx
+++ b/libnxwidgets/src/clistbox.cxx
@@ -607,6 +607,11 @@ void CListBox::onClick(nxgl_coord_t x, nxgl_coord_t y)
   const CListBoxDataItem *item =
     (const CListBoxDataItem*)m_options.getItem(m_lastSelectedIndex);
 
+  if (!item)
+    {
+      return; // No item at click position
+    }
+
   // Are we selecting or de-selecting?
 
   if (item->isSelected())