From 044d51a9790118fd52e3af84ebdf3f340b44280f Mon Sep 17 00:00:00 2001
From: Christophe Bourcier <christophe.bourcier@cea.fr>
Date: Tue, 30 Jul 2019 14:27:15 +0200
Subject: [PATCH] Fix sigsegv if right-click in Model data panel and nothing is
 selected

---
 src/HEXABLOCKGUI/HEXABLOCKGUI.cxx | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/HEXABLOCKGUI/HEXABLOCKGUI.cxx b/src/HEXABLOCKGUI/HEXABLOCKGUI.cxx
index 4c8cbe2..7ff4d47 100644
--- a/src/HEXABLOCKGUI/HEXABLOCKGUI.cxx
+++ b/src/HEXABLOCKGUI/HEXABLOCKGUI.cxx
@@ -854,6 +854,11 @@ void HEXABLOCKGUI::preferencesChanged( const QString& sect, const QString& name
 void HEXABLOCKGUI::treeContextMenu(const QPoint& aPosition)
 {
     QModelIndex currentIndex = _patternDataTreeView->currentIndex();
+
+    // if nothing is selected, return
+    if (! currentIndex.isValid())
+      return;
+
     QVariant currentAssocVariant;
     QString currentAssocEntry;
 
-- 
2.39.2