Fix problem with arrow navigation

For some reason the arrow navigation stopped working, this adds
some workarounds to make it workable again.

html/content.html

@@ -79,17 +79,18 @@
         else document.body.className = "";
     }
 
-    document.onkeydown = checkKey;
-
     function checkKey(e) {
         e = e || window.event;
-        if (e.keyCode === '37') {
+        if (e.keyCode === 37) {
             window.location.href = "feedthemonkey:previous";
         }
-        else if (e.keyCode === '39') {
+        else if (e.keyCode === 39) {
             window.location.href = "feedthemonkey:next";
         }
     }
+
+    window.addEventListener("keydown", checkKey);
+
     </script>
     <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no">
 </head>

qml/Content.qml

@@ -17,7 +17,7 @@
  * along with FeedTheMonkey.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import QtWebEngine 1.0
+import QtWebEngine 1.7
 import QtQuick 2.0
 import QtQuick.Controls 1.3
 import QtQuick.Layouts 1.1
@@ -87,12 +87,14 @@ Item {
 
         onNavigationRequested: {
             if (request.url == "feedthemonkey:previous") {
-                request.action = WebEngineView.IgnoreRequest;
+                // This is commented out because for some reason this reloads the page forever.
+                // This will show the error that the feedthemonkey:previous location is not supported
+                //request.action = WebEngineNavigationRequest.IgnoreRequest;
                 app.showPreviousPost();
             } else if (request.url == "feedthemonkey:next") {
-                request.action = WebEngineView.IgnoreRequest;
+                //request.action = WebEngineNavigationRequest.IgnoreRequest;
                 app.showNextPost();
-            } else if (request.navigationType != WebEngineView.LinkClickedNavigation) {
+            } else if (request.navigationType !== WebEngineNavigationRequest.LinkClickedNavigation) {
                 request.action = WebEngineView.AcceptRequest;
             } else {
                 request.action = WebEngineView.IgnoreRequest;