code: def requestViewMenu(self, point):
          
          vitem = self.uiGanttVIEW.itemAt(point)
          if vitem:
              glbl_pos = self.uiGanttVIEW.mapToGlobal(point)
              item = vitem.treeItem()
              self.viewMenuRequested.emit(vitem, glbl_pos)
              self.itemMenuRequested.emit(item, glbl_pos)
docs: Emits the itemMenuRequested and viewMenuRequested signals
          for the given item.
          
          :param      point | <QPoint>