Re: NSTextField : Tooltip show Whole String, only when Truncated
Re: NSTextField : Tooltip show Whole String, only when Truncated
- Subject: Re: NSTextField : Tooltip show Whole String, only when Truncated
- From: Corbin Dunn <email@hidden>
- Date: Fri, 16 Sep 2011 12:57:28 -0700
hi Jerry,
Your right; NSTextField does not have that feature (it is called "expansion tool tips" in NSTableView). Please log a bug requesting it in AppKit.
corbin
On Sep 16, 2011, at 10:47 AM, Jerry Krinock wrote:
> I'd like an NSTextField to display a tooltip showing its entire text whenever it's truncating. I think that NSTableView has this behavior built in, if you simply don't set a tooltip on a cell. But NSTextField does not.
>
> It *sure would be nice* if NSTextField had an observable 'isTruncating" property which I could bind to!
>
> Am I not seeing some feature which will give the desired behavior?
>
> If not, the only solution I can think of is to do the whole damned text measurement thing, taking as parameters the font, the typesetter behavior for the given Mac OS X version, and see if the calculated width exceeds the field width. This kind of thing usually requires, in addition, a fudge factor and/or term, adjusted experimentally to match the actual truncation threshold. Ugh.
>
> Rather than the above, I think I'll just leave the tooltip "always on" and hope that users don't get too annoyed. Any better ideas?
>
> Thanks,
>
> Jerry Krinock
>
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