From 3867bc5a10f0b798154025265efacd2f53ace06e Mon Sep 17 00:00:00 2001
From: Tomasz Olszak <olszak.tomasz@gmail.com>
Date: Wed, 8 Jan 2014 17:12:28 +0100
Subject: Send DynamicPropertyChange event only when value is changed.

According to docs DynamicPropertyChange event should be sent from
setProperty function only when property is added, removed or
changed.

Change-Id: I080a27a4119a63580b03172f4b5b367338c6f440
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
---
 src/corelib/kernel/qobject.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src')

diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index a027f82f82..ff7a79d587 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -3809,6 +3809,8 @@ bool QObject::setProperty(const char *name, const QVariant &value)
                 d->extraData->propertyNames.append(name);
                 d->extraData->propertyValues.append(value);
             } else {
+                if (value == d->extraData->propertyValues.at(idx))
+                    return false;
                 d->extraData->propertyValues[idx] = value;
             }
         }
-- 
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