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diff --git a/libk3b/tools/k3bdevicecombobox.cpp b/libk3b/tools/k3bdevicecombobox.cpp
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+++ b/libk3b/tools/k3bdevicecombobox.cpp
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+/* 
+ *
+ * $Id: k3bdevicecombobox.cpp 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#include "k3bdevicecombobox.h"
+#include <k3bdevice.h>
+#include <k3bdevicemanager.h>
+#include <k3bcore.h>
+
+#include <klocale.h>
+
+#include <qmap.h>
+#include <qptrvector.h>
+
+
+class K3bDeviceComboBox::Private
+{
+public:
+  QMap<QString, int> deviceIndexMap;
+  QPtrVector<K3bDevice::Device> devices;
+};
+
+
+K3bDeviceComboBox::K3bDeviceComboBox( QWidget* parent, const char* name )
+  : KComboBox( parent, name )
+{
+  d = new Private();
+  connect( this, SIGNAL(activated(int)),
+	   this, SLOT(slotActivated(int)) );
+  connect( k3bcore->deviceManager(), SIGNAL(changed(K3bDevice::DeviceManager*)),
+	   this, SLOT(slotDeviceManagerChanged(K3bDevice::DeviceManager*)) );
+}
+
+
+K3bDeviceComboBox::~K3bDeviceComboBox()
+{
+  delete d;
+}
+
+K3bDevice::Device* K3bDeviceComboBox::selectedDevice() const
+{
+  if ( count() > 0 )
+    return d->devices[currentItem()];
+  else
+    return 0;
+}
+
+
+void K3bDeviceComboBox::addDevice( K3bDevice::Device* dev )
+{
+  int devIndex = -2;
+  bool addDevice = false;
+  for( int i = 0; i < count(); ++i ) {
+    if( dev->vendor() == d->devices[i]->vendor() &&
+	dev->description() == d->devices[i]->description() ) {
+      addDevice = true;
+      if( devIndex < -1 ) // when devIndex == -1 we already found two devices.
+	devIndex = i;
+      else
+	devIndex = -1; // when there are already two or more equal devices they have already been updated
+    }
+  }
+
+  // update the existing device item
+  if( devIndex >= 0 ) {
+    changeItem( d->devices[devIndex]->vendor() + " " + 
+		d->devices[devIndex]->description() + 
+		" (" + d->devices[devIndex]->blockDeviceName() + ")",
+		devIndex );
+    d->deviceIndexMap[d->devices[devIndex]->devicename()] = devIndex;
+  }
+
+  // add the new device item
+  if( addDevice )
+    insertItem( dev->vendor() + " " + dev->description() + " (" + dev->blockDeviceName() + ")" );
+  else
+    insertItem( dev->vendor() + " " + dev->description() );
+
+  d->deviceIndexMap[dev->devicename()] = count()-1;
+  d->devices.resize( count() );
+  d->devices.insert(count()-1, dev);
+}
+
+
+void K3bDeviceComboBox::removeDevice( K3bDevice::Device* dev )
+{
+  if( dev ) {
+    if( d->deviceIndexMap.contains(dev->devicename()) ) {
+      // let's make it easy and recreate the whole list
+      K3bDevice::Device* selDev = selectedDevice();
+      QPtrList<K3bDevice::Device> devices;
+      for( unsigned int i = 0; i < d->devices.size(); ++i )
+	devices.append( d->devices[i] );
+
+      clear();
+
+      devices.removeRef( dev );
+
+      addDevices( devices );
+      setSelectedDevice( selDev );
+    }
+  }
+}
+
+
+void K3bDeviceComboBox::addDevices( const QPtrList<K3bDevice::Device>& list )
+{
+  for( QPtrListIterator<K3bDevice::Device> it( list );
+       it.current(); ++it )
+    addDevice( it.current() );
+}
+
+
+void K3bDeviceComboBox::refreshDevices( const QPtrList<K3bDevice::Device>& list )
+{
+  K3bDevice::Device* selDev = selectedDevice();
+  clear();
+  if( !list.containsRef( selDev ) )
+    selDev = 0;
+  addDevices( list );
+  setSelectedDevice( selDev );
+}
+
+
+void K3bDeviceComboBox::setSelectedDevice( K3bDevice::Device* dev )
+{
+  if( dev ) {
+    if( d->deviceIndexMap.contains(dev->devicename()) ) {
+      setCurrentItem( d->deviceIndexMap[dev->devicename()] );
+      emit selectionChanged( dev );
+    }
+  }
+}
+
+
+void K3bDeviceComboBox::clear()
+{
+  d->deviceIndexMap.clear();
+  d->devices.clear();
+  KComboBox::clear();
+}
+
+
+void K3bDeviceComboBox::slotActivated( int i )
+{
+  emit selectionChanged( d->devices[i] );
+}
+
+
+void K3bDeviceComboBox::slotDeviceManagerChanged( K3bDevice::DeviceManager* dm )
+{
+  unsigned int i = 0;
+  while( i < d->devices.size() ) {
+    if( !dm->allDevices().containsRef( d->devices[i] ) ) {
+      removeDevice( d->devices[i] );
+      i = 0;
+    }
+    else
+      ++i;
+  }
+}
+
+#include "k3bdevicecombobox.moc"