From 5f77e60543e1d5820d6c4339d4d06b56dd2f74c9 Mon Sep 17 00:00:00 2001
From: Hugo Pereira Da Costa <hugo.pereira@free.fr>
Date: Sat, 24 Jan 2015 18:38:25 +0100
Subject: [PATCH] Initialize widget only at first successfull call to
 registerWidget CCBUG: 341940

---
 kstyle/breezepalettehelper.cpp | 12 ++++++++----
 kstyle/breezepalettehelper.h   |  2 +-
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/kstyle/breezepalettehelper.cpp b/kstyle/breezepalettehelper.cpp
index 2107de33..31c32c3c 100644
--- a/kstyle/breezepalettehelper.cpp
+++ b/kstyle/breezepalettehelper.cpp
@@ -40,10 +40,7 @@ namespace Breeze
     PaletteHelper::PaletteHelper( QObject* parent, Helper& helper ):
         QObject( parent ),
         _helper( helper )
-    {
-        _widget = new QWidget();
-        _widget->installEventFilter( this );
-    }
+    {}
 
     //_____________________________________________________
     PaletteHelper::~PaletteHelper()
@@ -55,6 +52,13 @@ namespace Breeze
     {
         if( adjustPalette( widget, QApplication::palette() ) )
         {
+
+            if( !_widget )
+            {
+                _widget = new QWidget();
+                _widget->installEventFilter( this );
+            }
+
             _registeredWidgets.insert( widget );
             connect( widget, SIGNAL(destroyed(QObject*)), SLOT(unregisterWidget(QObject*)) );
             return true;
diff --git a/kstyle/breezepalettehelper.h b/kstyle/breezepalettehelper.h
index 6e78c63c..2d3e1b39 100644
--- a/kstyle/breezepalettehelper.h
+++ b/kstyle/breezepalettehelper.h
@@ -71,7 +71,7 @@ namespace Breeze
 
         //* dummy widget
         /** it is used to keep track of application palette changes */
-        QWidget* _widget;
+        QWidget* _widget = nullptr;
 
         //* widget set
         QSet<QObject*> _registeredWidgets;