Erik,

If you haven't checked out Quartz Composer, do so.  If my memory is correct, 
the QCTV sample code includes a news ticker that may be exactly what you are 
looking for.

regards,

douglas

On May 3, 2010, at 3:59 PM, Joachim Deelen wrote:

> Hi Erik,
> 
> I think one way to go would be CoreAnimation ... At least I'm using it in my 
> iTunes Menubar Controller Playwatch.
> 
> CATextLayer, CAScrollLayer and CABasicAnimation are the Classes that might be 
> helpful. But CoreAnimation is rather complex.
> 
> There might be ways to implement it with a "normal" NSView contained in a 
> NSScrollView. And yes, you would have to implement at least one custom NSView.
> 
> regards,
> Joachim
> 
> http://www.aquarius-software.de/AQUARIUS-software_en/PlaywatchFeatures.html
> 
> 
> Am 03.05.2010 um 00:58 schrieb Erik Benoist:
> 
>> I am writing a small NSStatusItem which displays a NSString in the menu bar 
>> and supplies a series of NSMenuItems. As the text to be displayed is 
>> occasionally longer than would be permitted on the Menu Bar I would like to 
>> animate the text in a Stock Ticker style scrolling animation. Much like 
>> you'd see in iTunes when a song is too long to be displayed or how the modem 
>> connect NSStatusItem will scroll the words "dialing... authentication...". I 
>> tried to simply write text to the menu bar using a Timer writing one 
>> character at a time, but the result isn't smooth and due to spacing in 
>> between letters can be variable in how much it moves each iteration. 
>> 
>> I suspect that a custom NSView is set to the NSStatusItem, but I am at a 
>> complete loss as to how to pull this off. Any examples of how to:
>> 1. Properly animate the text. 
>> 2. Attach the resulting animation to the menu bar
>> 
>> would be greatly appreciated. I have googled around extensively and have yet 
>> to find a solid example or clue. 
>> 
>> Thank you,
>> Erik Benoist_______________________________________________
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