No horizontal scrollbar in Xcode's Interface Builder

Question

When I try to edit a storyboard file in Xcode (Version 5.1.1 (5B1008) under OS X 10.9.3) I can only see the vertical scrollbar. Moving around in the horizontal direction between view controllers is not possible. The horizontal bar doesn't show when I hover over it. It only briefly shows when I select past the visible area but it immediately disappears afterwards and I can only scroll by a few pixels at a time this way.

I have tried restarting XCode and the OS but it didn't help. Scrolling was possible before. It stopped working for no apparent reason this morning. I have not updated XCode nor OS X or messed with the system in any way since it was last working. Has anyone encountered this problem before? Do I need to reinstall XCode at this point?

Answer 1

Press Shift + Scroll Mouse this will scroll preview in horizontal

Answer 2

It's a not bug, it's a feature. It wouldn't be a problem if you use the Apple mouse. There is a workaround for a typical 2/3 button mouse, although it would affect all horizontal bars across the system. Just follow System Preferences->General->Show scroll bars, and select Always.