docs: public boolean mouseMove(Event e, int x, int y) {
  
          if (y <= iRowHeight) {
              int xb = x;
  
              x += iX - iGridWidth;
  
              int i = iColCount - 1;
  
              for (; i >= 0; i--) {
                  if (x > -7 && x < 7) {
                      break;
                  }
  
                  x += iColWidth[i];
              }
  
              if (i >= 0) {
                  if (!bDrag) {
                      setCursor(new Cursor(Cursor.E_RESIZE_CURSOR));
  
                      bDrag    = true;
                      iXDrag   = xb - iColWidth[i];
                      iColDrag = i;
                  }
  
                  return true;
              }
          }
  
          return mouseExit(e, x, y);
      }