From a93c893dc1fa63dec2180a2a970cb022fdedf094 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Mon, 10 Sep 2018 20:31:54 +0200
Subject: [PATCH] fixes #0003583: Using the raytracing WB crashes FreeCAD

---
 src/Mod/Raytracing/Gui/Command.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/Mod/Raytracing/Gui/Command.cpp b/src/Mod/Raytracing/Gui/Command.cpp
index 2e99b28155..70a715218d 100644
--- a/src/Mod/Raytracing/Gui/Command.cpp
+++ b/src/Mod/Raytracing/Gui/Command.cpp
@@ -340,6 +340,13 @@ void CmdRaytracingNewPovrayProject::activated(int iMsg)
     std::string FeatName = getUniqueObjectName("PovProject");
 
     Gui::ActionGroup* pcAction = qobject_cast<Gui::ActionGroup*>(getAction());
+    if (pcAction->actions().isEmpty()) {
+        QMessageBox::warning(Gui::getMainWindow(),
+            qApp->translate("CmdRaytracingWriteView","No template"),
+            qApp->translate("CmdRaytracingWriteView","Cannot create a project because there is no template installed."));
+        return;
+    }
+
     QAction* a = pcAction->actions()[iMsg];
     QFileInfo tfi(a->property("Template").toString());
     if (tfi.isReadable()) {
@@ -731,6 +738,13 @@ void CmdRaytracingNewLuxProject::activated(int iMsg)
     std::string FeatName = getUniqueObjectName("LuxProject");
 
     Gui::ActionGroup* pcAction = qobject_cast<Gui::ActionGroup*>(getAction());
+    if (pcAction->actions().isEmpty()) {
+        QMessageBox::warning(Gui::getMainWindow(),
+            qApp->translate("CmdRaytracingWriteView","No template"),
+            qApp->translate("CmdRaytracingWriteView","Cannot create a project because there is no template installed."));
+        return;
+    }
+
     QAction* a = pcAction->actions()[iMsg];
     QFileInfo tfi(a->property("Template").toString());
     if (tfi.isReadable()) {