Setting NumberPadWidget object name.

radixwidgets/numberpadwidget.cc

@@ -64,6 +64,7 @@ NumberPadWidget::NumberPadWidget(QWidget *parent)
   mNumberWidget->setWindowFlags(Qt::WindowDoesNotAcceptFocus | Qt::Tool |
                                 Qt::FramelessWindowHint |
                                 Qt::WindowStaysOnTopHint);
+  mNumberWidget->setObjectName("number_pad_widget");
   int row = 0;
   int col = 0;