From d5c3b4af0cb82d9d7693092faa2a2d89a1e89d18 Mon Sep 17 00:00:00 2001
From: Robert Fewell <14uBobIT@gmail.com>
Date: Fri, 7 Jun 2019 13:38:56 +0100
Subject: [PATCH] Make the blank split read only

If the transactions are read only or voided and selected for editing a
blank split is added that allows you to change the transaction so in
these cases make the blank split read only.
---
 .../register/ledger-core/split-register-model.c    | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/gnucash/register/ledger-core/split-register-model.c b/gnucash/register/ledger-core/split-register-model.c
index f05dcd118c..1e45fbc03b 100644
--- a/gnucash/register/ledger-core/split-register-model.c
+++ b/gnucash/register/ledger-core/split-register-model.c
@@ -1954,7 +1954,19 @@ gnc_split_register_cursor_is_readonly (VirtualLocation virt_loc,
     char type;
 
     split = gnc_split_register_get_split (reg, virt_loc.vcell_loc);
-    if (!split) return FALSE;
+
+    if (!split) // this could be the blank split
+    {
+        txn = gnc_split_register_get_current_trans (reg);
+
+        if (txn) // get the current trans and see if read_only required
+        {
+            if (xaccTransGetReadOnly (txn)
+                    || xaccTransIsReadonlyByPostedDate (txn))
+                return (TRUE);
+        }
+        return FALSE;
+    }
 
     txn = xaccSplitGetParent (split);
     if (!txn) return FALSE;