code: def _signal_load(self):
          
  
          # set our name
          self.set_name(str(self._combobox_cmaps.currentText()))
  
          # load the colormap
          self.load_colormap()
  
          # rebuild the interface
          self._build_gui()
  
          self._button_save.setEnabled(False)
docs: Load the selected cmap.