Select a row/column:
void gtk_sheet_select_row (GtkSheet * sheet,gint row); void gtk_sheet_select_column (GtkSheet * sheet,gint column);
Unselect a range:
void gtk_sheet_select_range (GtkSheet *sheet, const GtkSheetRange *range); void gtk_sheet_unselect_range (GtkSheet *sheet);
A row/column selection can be catched using "select_row" and "select_column" signals:
void (*select_row) (GtkSheet *sheet, gint row); void (*select_column) (GtkSheet *sheet, gint column);