range.rowi = rowi;
range.coli = coli;
+ if ( !GTK_WIDGET_REALIZED (GTK_WIDGET (sheet)))
+ return;
+
if ( max_visible_row (sheet) > g_sheet_model_get_row_count (sheet->model)
||
max_visible_column (sheet) > g_sheet_model_get_column_count (sheet->model))