KJobViewer: make sure the printer lists is correctly updated when printers are added or removed. This relates to bug 1362.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
(cherry picked from commit 69c2d469b8)

kdeprint/kmmanager.cpp

@@ -272,6 +272,7 @@ TQPtrList<KMPrinter>* KMManager::printerList(bool reload)
 			if (defprinter)
 				setSoftDefault(defprinter);
 		}
+		emit printerListUpdated();
 	}
 
 	return &m_fprinters;

kdeprint/kmmanager.h

@@ -143,6 +143,7 @@ public:
 
 signals:
 	void updatePossible(bool);
+	void printerListUpdated();
 
 protected:
 	// the real printer listing job is done here

kdeprint/management/kmjobviewer.cpp

@@ -104,6 +104,8 @@ KMJobViewer::KMJobViewer(TQWidget *parent, const char *name)
 		conf->setGroup( "Jobs" );
 		resize( conf->readSizeEntry( "Size", &defSize ) );
 	}
+
+	connect(KMFactory::self()->manager(), TQT_SIGNAL(printerListUpdated()),TQT_SLOT(slotPrinterListUpdated()));
 }
 
 KMJobViewer::~KMJobViewer()
@@ -532,6 +534,11 @@ void KMJobViewer::slotRightClicked(TQListViewItem*,const TQPoint& p,int)
 	if (m_pop) m_pop->popup(p);
 }
 
+void KMJobViewer::slotPrinterListUpdated()
+{
+	loadPrinters();
+}
+
 void KMJobViewer::loadPrinters()
 {
 	m_printers.clear();

kdeprint/management/kmjobviewer.h

@@ -87,6 +87,7 @@ protected slots:
 	void slotConfigure();
 	void slotDropped( TQDropEvent*, TQListViewItem* );
 	void slotKeepWindowChange(bool);
+	void slotPrinterListUpdated();
 
 protected:
 	void init();