qDebug() << "WindowManager::showProgressBar( const QString & )";
if( iProgressBar == 0 ) {
iProgressBar = new ProgressBar( aText, aCancellable );
qDebug() << "WindowManager::showProgressBar( const QString & )";
if( iProgressBar == 0 ) {
iProgressBar = new ProgressBar( aText, aCancellable );