I want to filter mouse motion events from a specific device. When these events are occurring I don't want the pointer to move, but I do want to execute some code to indicate to the user that the events are occuring.
But, there are actually two attached mice. I don't want to filter the events from any but the specified device.
I don't see a way to identify a device associated with an XEvent.
Is it possible to determine which device generated an event?
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