+void BufferView::lfunScroll(FuncRequest const & cmd)
+{
+ string const scroll_type = cmd.getArg(0);
+ int const scroll_step =
+ (scroll_type == "line")? d->scrollbarParameters_.lineScrollHeight
+ : (scroll_type == "page")? height_ : 0;
+ if (scroll_step == 0)
+ return;
+ string const scroll_quantity = cmd.getArg(1);
+ if (scroll_quantity == "up")
+ scrollUp(scroll_step);
+ else if (scroll_quantity == "down")
+ scrollDown(scroll_step);
+ else {
+ int const scroll_value = convert<int>(scroll_quantity);
+ if (scroll_value)
+ scroll(scroll_step * scroll_value);
+ }
+}
+
+