- if (sheet->drag_range.row0 < sheet->range.row0)
- sheet->selection_cell.row = sheet->drag_range.row0;
- if (sheet->drag_range.rowi >= sheet->range.rowi)
- sheet->selection_cell.row = sheet->drag_range.rowi;
- if (sheet->drag_range.col0 < sheet->range.col0)
- sheet->selection_cell.col = sheet->drag_range.col0;
- if (sheet->drag_range.coli >= sheet->range.coli)
- sheet->selection_cell.col = sheet->drag_range.coli;