only disallow scrolling when patron list is not empty
@@ -283,7 +283,7 @@ public class SCManualScreen extends Screen {
{
super.mouseScrolled(mouseX, mouseY, scroll);
- if(currentPage == -1 && patronList != null && patronList.isMouseOver(mouseX, mouseY))
+ if(currentPage == -1 && patronList != null && patronList.isMouseOver(mouseX, mouseY) && !patronList.patrons.isEmpty())
{
patronList.mouseScrolled(mouseX, mouseY, scroll);
return true;
