code: def _set_pyqtgraph_title(layout):
      
      if 'title_size' in pytplot.tplot_opt_glob:
          size = pytplot.tplot_opt_glob['title_size']
      if 'title_text' in pytplot.tplot_opt_glob:
          if pytplot.tplot_opt_glob['title_text'] != '':
              layout.addItem(LabelItem(pytplot.tplot_opt_glob['title_text'], size=size, color='k'), row=0, col=0)
              return True
      return False
docs: Private function to add a title to the first row of the window.
      Returns True if a Title is set.  Else, returns False.