Range Selection

Multiple selection is enabled by default. You can disable it by setting selectionPolicy to single

Example

<SpreadSheet selectionPolicy='single'>

Callback on Active cell change

<SpreadSheet
  onActiveCellChange={(sheetId: string, cell: CellInterface) => {
    console.log(cell.rowIndex, cell.columnIndex)
  }}
>

Callback on selection change

<SpreadSheet  
  onSelectionChange={(sheetId: string, activeCell, selections: CellInterface) => {
    console.log(selections)
  }}
>

Example
Callback on Active cell change
Callback on selection change