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Two Mice (Read 1766 times)
chrios
Two Mice
Feb 19th, 2009, 8:53am  
Does anyone have any advice on how to process input from two USB mice?  I'd like to get back two sets of mouse movements (two x/y pairs, or two delta x/y pairs).  

Perhaps there is a way I can read from a particular USB device?  Anyway to do this in Java if not in within Processing.

Thanks,
Chris
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PhiLho 
Re: Two Mice
Reply #1 - Feb 19th, 2009, 10:13am  
First hit with Google seems fitting: Access USB devices from Java applications. I see also java.net: Java and USB which presents the same library (jUSB) and alternatives.

If you have some success with your experiments, I am sure other people will be interested by your results (perhaps look if it have been done and presented in Discourse already, too).
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cloister
Re: Two Mice
Reply #2 - Feb 19th, 2009, 6:53pm  
Be aware, though, that some operating systems just don't do multiple mice.

Windows XP and Vista, I believe, don't know what to do if you plug in multiple mice, because of course there is only one mouse pointer on the screen.

I have no idea about others, but if it mysteriously doesn't work on your platform you might investigate whether that's the underlying cause.

I think I've seen some multi-mouse hacks out there for Windows (might have even seen one on Microsoft's research website; not sure) if that turns out to be a problem.
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PhiLho 
Re: Two Mice
Reply #3 - Feb 19th, 2009, 7:25pm  
Thanks for the advice. I haven't tried to plug two mice yet, but when I plug in a graphics tablet (on Windows XP Pro), that acts basically like a mouse, I can use either mouse or tablet to move the cursor. Although the tablet seems to take control unless the stylus is far from the tablet.
Now, tablet uses a different driver, I don't know the behavior when using the same driver.
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Cedric
Re: Two Mice
Reply #4 - Feb 20th, 2009, 9:12am  
 http://cpnmouse.sourceforge.net

hope that helps
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chrios
Re: Two Mice
Reply #5 - Feb 24th, 2009, 6:45am  
For future searchers...

"Using proCCONTROLL on MacOSX for example allows you to address more than one mouse."

http://texone.org/procontroll/

Chris
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