From cf827f2167d7ca122541cc17307e2b8133ec3af4 Mon Sep 17 00:00:00 2001
From: Samuel Gaist <samuel.gaist@edeltech.ch>
Date: Wed, 9 Mar 2016 23:16:29 +0100
Subject: [PATCH] Ported Qt 4 fix when getting an invalid native key on Windows

Task-number: QTBUG-36061
Change-Id: Ibde65735d861af4e1ef768e9e4314d30fed534a1
Reviewed-by: Oliver Wolff <oliver.wolff@theqtcompany.com>
---
 src/plugins/platforms/windows/qwindowskeymapper.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/plugins/platforms/windows/qwindowskeymapper.cpp b/src/plugins/platforms/windows/qwindowskeymapper.cpp
index 5790341dbf..403ac6ecfb 100644
--- a/src/plugins/platforms/windows/qwindowskeymapper.cpp
+++ b/src/plugins/platforms/windows/qwindowskeymapper.cpp
@@ -1247,7 +1247,12 @@ QList<int> QWindowsKeyMapper::possibleKeys(const QKeyEvent *e) const
 {
     QList<int> result;
 
-    const KeyboardLayoutItem &kbItem = keyLayout[e->nativeVirtualKey()];
+
+    const quint32 nativeVirtualKey = e->nativeVirtualKey();
+    if (nativeVirtualKey > 255)
+        return result;
+
+    const KeyboardLayoutItem &kbItem = keyLayout[nativeVirtualKey];
     if (!kbItem.exists)
         return result;