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Old 11-20-2012, 05:17 AM   #1
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Two independent touch displays on linux


I'm planning to use two independent touch displays (LCD + touchscreen) with linux. I want to know whether it is possible or not.

The two displays will not be in "clone" or "extended" mode, but would exist as separate displays.

After googling I have read that it can be supported by X, but none of them very clear.

Want to know if someone has tried this before? any inputs?

-Regards, Pj
Old 11-20-2012, 07:17 AM   #2
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Welcome to LinuxQuestions.

Without knowing your exact requirements I would guess a multiseat configuration would be what you are looking for.
Old 11-21-2012, 01:59 AM   #3
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Hi michealk,

Thanks for pointing me to multiseat configuration. That could be helpful.

With multiseat, in a desktop scenario, the second window is known to X and I'm guessing the application is unaware of it.

As I intend to use two touch displays in embedded and the application would have to take care of displaying on the right screen (screen 0 or 1), so I was wondering whether the application can do that, when using X in multiseat configuration.
When both screens are touch, will application be aware where the touch was made (screen 0 or 1).

I'm not much aware about X, but if the above questions seem invalid in X scenario, please let me know.

-Regards, Pj


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