Refuse to stream if Moonlight is known incompatible with the host GFE version

app/gui/PcView.qml

@@ -220,7 +220,12 @@ CenteredGridView {
 
         onClicked: {
             if (model.online) {
-                if (model.paired) {
+                if (!model.serverSupported) {
+                    errorDialog.text = qsTr("The version of GeForce Experience on %1 is not supported by this build of Moonlight. You must update Moonlight to stream from %1.").arg(model.name)
+                    errorDialog.helpText = ""
+                    errorDialog.open()
+                }
+                else if (model.paired) {
                     // go to game view
                     var component = Qt.createComponent("AppView.qml")
                     var appView = component.createObject(stackView, {"computerIndex": index, "objectName": model.name})

app/gui/computermodel.cpp

@@ -42,6 +42,8 @@ QVariant ComputerModel::data(const QModelIndex& index, int role) const
         return !computer->macAddress.isEmpty();
     case StatusUnknownRole:
         return computer->state == NvComputer::CS_UNKNOWN;
+    case ServerSupportedRole:
+        return computer->isSupportedServerVersion;
     default:
         return QVariant();
     }
@@ -68,6 +70,7 @@ QHash<int, QByteArray> ComputerModel::roleNames() const
     names[BusyRole] = "busy";
     names[WakeableRole] = "wakeable";
     names[StatusUnknownRole] = "statusUnknown";
+    names[ServerSupportedRole] = "serverSupported";
 
     return names;
 }

app/gui/computermodel.h

@@ -14,7 +14,8 @@ class ComputerModel : public QAbstractListModel
         PairedRole,
         BusyRole,
         WakeableRole,
-        StatusUnknownRole
+        StatusUnknownRole,
+        ServerSupportedRole
     };
 
 public: