Port of commit 548541:

Fix crash in the DVI plugin, that was introduced by my last commit.

svn path=/trunk/KDE/kdegraphics/kviewshell/plugins/dvi/; revision=548542

kdvi_multipage.cpp

@@ -70,8 +70,6 @@ KDVIMultiPage::KDVIMultiPage(QObject *parent, const QStringList& args)
 
   setXMLFile("kdvi_part.rc");
 
-  preferencesChanged();
-
   enableActions(false);
   // Show tip of the day, when the first main window is shown.
   QTimer::singleShot(0,this,SLOT(showTipOnStart()));
@@ -89,6 +87,15 @@ KDVIMultiPage::~KDVIMultiPage()
 }
 
 
+void KDVIMultiPage::setupObservers(DataModel* _dataModel)
+{
+  KMultiPage::setupObservers(_dataModel);
+
+  //FIXME: check if this is really needed anymore.
+  preferencesChanged();
+}
+
+
 KAboutData* KDVIMultiPage::createAboutData()
 {
   KAboutData* about = new KAboutData("kdvi", I18N_NOOP("KDVI"), "1.3",

kdvi_multipage.h

@@ -20,6 +20,8 @@ public:
   KDVIMultiPage(QObject *parent, const QStringList& args = QStringList());
   virtual ~KDVIMultiPage();
 
+  virtual void setupObservers(DataModel*);
+
 // Interface definition start ------------------------------------------------
 
   /// returns the list of supported file formats