On Jun 5, 2012, at 4:44 PM, Koen van der Drift <koenvanderdr...@gmail.com> 
wrote:

> 
> On Jun 5, 2012, at 7:16 PM, Corbin Dunn wrote:
> 
>> 
>> On Jun 4, 2012, at 11:48 AM, Koen van der Drift <koenvanderdr...@gmail.com> 
>> wrote:
>> 
>>> Ok, I'm stumped here. I have a few scrollable views in my window, two
>>> NSTableViews, and an NSTextView.  I'd like to have the scrollbar to
>>> hide when not in use, and used the setting of the NSScrollView in IB
>>> in Xcode to do so.  For the NSTextView it works, but for the
>>> NSTableViews the scrollbar won't hide, and are also much wider. The
>>> scrollbar settings are exactly the same for all three NSScrollViews.
>>> 
>>> What am I missing here, is there another secret setting?
>> 
>> What settings are you referring to? 
>> By hide, do you mean autohide scrollers when not needed, or not used? The 
>> later is also dependent on the OS settings for your mouse.
> 
> I am referring to "Automatically hide scroller" and "Show vertical scroller", 
> these are both on for all three views.  In the textview the scrollbar behaves 
> as expected, in the tableview, the scrollbar is always visible. The scrollbar 
> on the tableviews has a visible 'gutter' as was the case pre-lion and is also 
> drawn in a slightly lighter shade of gray.  All other apps I use (including 
> the TableViewPlayground code example from Apple) have the expected behavior.
> 
> Here's a screenshot, hope this works:
> 
> http://dl.dropbox.com/u/41198645/Screen%20Shot%202012-06-05%20at%207.36.44%20PM.png
> 
> You can see the scrollbar on the right, the 'gutter' and scrollknob are 
> always visible.


It has a scroller there because it has scrollable area. 

All I can guess is that something has some scrollable area or the property is 
reset somewhere (and you don't expect it to be reset). Also look for non pixel 
aligned things; things could be off by 0.5 and it might cause a scroller to 
appear but not scroll anything.

corbin
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