docs: def _selectView( self ):
          """
          Matches the view selection to the trees selection.
          """
          scene = self.uiGanttVIEW.scene()
          scene.blockSignals(True)
          scene.clearSelection()
          for item in self.uiGanttTREE.selectedItems():
              item.viewItem().setSelected(True)
          scene.blockSignals(False)
          
          curr_item = self.uiGanttTREE.currentItem()
          vitem = curr_item.viewItem()
          
          if vitem:
              self.uiGanttVIEW.centerOn(vitem)