docs: def mouseMoveEvent(self, event):
          """
          Overrides mouseMovedEvent to display any decoration tooltip and emits
          the mouse_moved event.
  
          :param event: QMouseEvent
          """
          cursor = self.cursorForPosition(event.pos())
          self._last_mouse_pos = event.pos()
          block_found = False
          for sel in self.decorations:
              if sel.contains_cursor(cursor) and sel.tooltip:
                  if (self._prev_tooltip_block_nbr != cursor.blockNumber() or
                          not QtWidgets.QToolTip.isVisible()):
                      pos = event.pos()
                      # add left margin
                      pos.setX(pos.x() + self.panels.margin_size())
                      # add top margin
                      pos.setY(pos.y() + self.panels.margin_size(0))
                      self._tooltips_runner.request_job(
                          self.show_tooltip,
                          self.mapToGlobal(pos), sel.tooltip[0: 1024], sel)
                      self._prev_tooltip_block_nbr = cursor.blockNumber()
                  block_found = True
                  break
          if not block_found and self._prev_tooltip_block_nbr != -1:
              QtWidgets.QToolTip.hideText()
              self._prev_tooltip_block_nbr = -1
              self._tooltips_runner.cancel_requests()
          self.mouse_moved.emit(event)
          super(CodeEdit, self).mouseMoveEvent(event)