+ if (arg == "scrollbar") {
+ // hide() is of no help
+ if (d.current_work_area_->verticalScrollBarPolicy() ==
+ Qt::ScrollBarAlwaysOff)
+
+ d.current_work_area_->setVerticalScrollBarPolicy(
+ Qt::ScrollBarAsNeeded);
+ else
+ d.current_work_area_->setVerticalScrollBarPolicy(
+ Qt::ScrollBarAlwaysOff);
+ return;
+ }