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How do I calibrate the touchscreen of an external display under wayland - sway?

If I plug an external monitor with touch support the touch input is getting mapped to the main monitor, not the external one.

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  • Please clarify your specific problem or provide additional details to highlight exactly what you need. As it's currently written, it's hard to tell exactly what you're asking.
    – Community Bot
    Mar 1 at 6:25

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  1. get the input device with swaymsg -t get_inputs
  2. get the monitor with swaymsg -t get_outputs
  3. test with swaymsg input <input> map_to_output <output>
  4. set in sway config file input <input> map_to_output <output>
  5. do the same for the main display if it supports touch so

for me the command looked like the following:

input "8146:32786:Siliconworks_SiW_HID_Touch_Controller" map_to_output DP-1

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