Function mouseOver

handsontable/src/selection/mouseEventHandler.ts:111–135

({ isLeftClick, coords, selection, controller, cellCoordsFactory }: MouseOverOptions)

 * @param {Function} options.cellCoordsFactory The function factory for CellCoords objects.
 */
export function mouseOver({ isLeftClick, coords, selection, controller, cellCoordsFactory }: MouseOverOptions) {
  if (!isLeftClick) {
    return;
  }

  const sel = selection;
  const selectedRow = sel.isSelectedByRowHeader();
  const selectedColumn = sel.isSelectedByColumnHeader();
  const countCols = sel.tableProps.countCols();
  const countRows = sel.tableProps.countRows();

  sel.markSource('mouse');

  if (selectedColumn && !controller.column) {
    sel.setRangeEnd(cellCoordsFactory(countRows - 1, coords.col ?? 0));

  } else if (selectedRow && !controller.row) {
    sel.setRangeEnd(cellCoordsFactory(coords.row ?? 0, countCols - 1));

  } else if (!controller.cell) {
    sel.setRangeEnd(coords);
  }

  sel.markEndSource();
}

interface MouseUpOptions {
  isLeftClick: boolean;