Fix crash when part not loaded

clients/tde/src/app/views/instrumentview.cpp

@@ -45,7 +45,7 @@ void InstrumentView::init() {
 	KLibFactory *factory = KLibLoader::self()->factory(m_libraryName.ascii());
 	
 	if (!factory) {
-		KMessageBox::error( this, i18n("TDE could not find the %1 Part, or the Remote Laboratory Communications Analyzer Part could not be started. Did you make install?").arg(m_libraryName) );
+		KMessageBox::error( this, i18n("TDE could not find the %1 part, or the %2 part could not be started.").arg(m_libraryName).arg(m_libraryName) );
 		TQTimer::singleShot(0, this, SLOT(close()));
 	}
 	else {
@@ -62,11 +62,13 @@ void InstrumentView::init() {
 }
 
 bool InstrumentView::eventFilter(TQObject *o, TQEvent *e) {
-	TQWidget *childPartWidget = m_instrumentPart->widget();
-	if (childPartWidget) {
-		if (o == childPartWidget) {
-			if ((e->type() == TQEvent::Resize) || (e->type() == TQEvent::LayoutHint)) {
-				setChildSizeData();
+	if (m_instrumentPart) {
+		TQWidget *childPartWidget = m_instrumentPart->widget();
+		if (childPartWidget) {
+			if (o == childPartWidget) {
+				if ((e->type() == TQEvent::Resize) || (e->type() == TQEvent::LayoutHint)) {
+					setChildSizeData();
+				}
 			}
 		}
 	}