Method UpdateHistoryScrollpos

src/textfile_gui.cpp:347–350

* Update the scroll position to the current, so we can restore there if we go back. */

 * Update the scroll position to the current, so we can restore there if we go back.
 */
void TextfileWindow::UpdateHistoryScrollpos()
{
	this->history[this->history_pos].scrollpos = this->GetScrollbar(WID_TF_VSCROLLBAR)->GetPosition();
}

/**
 * Navigate through the history, either forward or backward.