From b98752e84e6b6de0b53eac6620918ee9d94c3e99 Mon Sep 17 00:00:00 2001
From: Mathew Sutcliffe <oktal3700@gmail.com>
Date: Tue, 14 Jun 2016 23:24:16 +0100
Subject: [PATCH] refs #672 setAndSave should still save even if the value is
 not actually changed.

---
 src/blackmisc/valuecache.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/blackmisc/valuecache.cpp b/src/blackmisc/valuecache.cpp
index a0d7ecde5..878fd3224 100644
--- a/src/blackmisc/valuecache.cpp
+++ b/src/blackmisc/valuecache.cpp
@@ -525,9 +525,11 @@ namespace BlackMisc
         Q_ASSERT(QThread::currentThread() == thread());
 
         if (timestamp == 0) { timestamp = QDateTime::currentMSecsSinceEpoch(); }
-        if (element.m_value.read() == value && element.m_timestamp == timestamp && ! ignoreValue) { return {}; }
+        bool changed = element.m_value.read() != value || element.m_timestamp != timestamp;
+        if (! changed && ! save && ! ignoreValue) { return {}; }
 
         if (ignoreValue) { value = element.m_value.read(); }
+        else { ignoreValue = ! changed; }
 
         auto status = validate(element, value, CStatusMessage::SeverityError);
         if (status.isSuccess())