Method scrollUp

src/Interface/TextList.cpp:772–794

* Scrolls the text in the list up by one row or to the top. * @param toMax If true then scrolls to the top of the list. false => one row up * @param scrollByWheel If true then use wheel scroll, otherwise scroll normally. */

 * @param scrollByWheel If true then use wheel scroll, otherwise scroll normally.
 */
void TextList::scrollUp(bool toMax, bool scrollByWheel)
{
	if (!_scrolling)
		return;
	if (_rows.size() > _visibleRows && _scroll > 0)
	{
		if (toMax)
		{
			scrollTo(0);
		}
		else
		{
			if (scrollByWheel)
			{
				scrollTo(_scroll - std::min((size_t)(Options::mousewheelSpeed), _scroll));
			}
			else
			{
				scrollTo(_scroll - 1);
			}
		}
	}
}

/**
 * Scrolls the text in the list down by one row or to the bottom.