From ede053def6377542530e298d157998beb41d5ef4 Mon Sep 17 00:00:00 2001
From: Jorge Moraleda <jorge.moraleda@gmail.com>
Date: Sat, 18 Apr 2020 13:39:14 -0700
Subject: [PATCH] A DVC cell that has no value is not editable

---
 src/generic/datavgen.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp
index 62c1cbe189..cebba8f161 100644
--- a/src/generic/datavgen.cpp
+++ b/src/generic/datavgen.cpp
@@ -4155,6 +4155,9 @@ bool wxDataViewMainWindow::IsCellEditableInMode(const wxDataViewItem& item,
     if ( !GetModel()->IsEnabled(item, col->GetModelColumn()) )
         return false;
 
+    if ( !GetModel()->HasValue(item, col->GetModelColumn()) )
+        return false;
+
     return true;
 }