How does Windows 8 map the USB HID multitouch device to a specific display? -


[this 1 hard choose right se site for. i'm picking stackoverflow answer useless regular user, , interesting developer under free os.]

i've got multitouch acer t232hl display, , plain-old asus display. first got acer display, later added additional asus one.

windows correctly mapping "windows 8 compatible" t232hl's usb hid device (identified under linux "advanced silicon s.a cooltouch(tm) system" device, vid:pid being 2149:2306) onto display itself. it's not mistakenly extending touch surface onto asus display, , it's not accidentally moving surface asus display.

xorg on ubuntu, however, default maps touch events across entire surface (both displays).

  • what documentation exists of sorcery windows uses correctly map hid device's touch events display device? protocol or microsoft use whql process opportunity hardcode mappings devices? (i not see custom drivers being installed.)
  • of course, if accident, i'll accept answer. (if you're not certain, maybe serve little purpose state guess/opinion?)

thanks!


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