Two touchscreen for Ubuntu and mapping of touch events












0















i've a touchscreen laptop (1920x1080) and a ineractive whiteboard with touch (1280x800).
To use the full resolution of the laptop i just present a part of the monitor, that is done succesfully with the first xrandr command.



Now i want to map the touch events of the monitor to the laptop monitor, which works.
Because the whiteboard has always different number by xinput list i grep the number and show it on the bash. Then i map the touch events of the whiteboard to this part of the presented screen.



The last commands are a part of xfce4 to maximise any window inside the presented part of my laptop screen.



#!/bin/
sh xrandr --output VIRTUAL1 --off --output eDP1 --mode 1920x1080 --pos 0x0 --rotate normal --output HDMI1 --mode 1280x800 --pos 480x270 --rotate normal
xinput map-to-output 'ELAN Touchscreen' eDP1
daten=$(xinput list | grep 'TimeLink' | tail -n 1 | cut -c 56-57)
echo $daten
xinput map-to-output "$daten" HDMI1
xfconf-query -c xfwm4 -p /general/margin_right -s 160
xfconf-query -c xfwm4 -p /general/margin_left -s 480
xfconf-query -c xfwm4 -p /general/margin_top -s 270
xfconf-query -c xfwm4 -p /general/margin_bottom -s 10



This script worked fine, but suddenly the mapping of the whiteboard didn't function any more. At the left and right margin there get a displace of the mouse position and the touch event. I tried to calibrate the monitor by deactivating eDP1 and use xinput_calibrator for the whiteboard and wrote this into /etc/X11/xorg.conf.d/99-calibration.conf like the programme suggested.
But the touch event is after a reboot still perfect in the middle but gets worse on both margin, left and right.



I also checked, if any programme was updated, but i found nothing helpful.
The beamer also just show the picture without any new ratio and so on.
Any suggestions?










share|improve this question





























    0















    i've a touchscreen laptop (1920x1080) and a ineractive whiteboard with touch (1280x800).
    To use the full resolution of the laptop i just present a part of the monitor, that is done succesfully with the first xrandr command.



    Now i want to map the touch events of the monitor to the laptop monitor, which works.
    Because the whiteboard has always different number by xinput list i grep the number and show it on the bash. Then i map the touch events of the whiteboard to this part of the presented screen.



    The last commands are a part of xfce4 to maximise any window inside the presented part of my laptop screen.



    #!/bin/
    sh xrandr --output VIRTUAL1 --off --output eDP1 --mode 1920x1080 --pos 0x0 --rotate normal --output HDMI1 --mode 1280x800 --pos 480x270 --rotate normal
    xinput map-to-output 'ELAN Touchscreen' eDP1
    daten=$(xinput list | grep 'TimeLink' | tail -n 1 | cut -c 56-57)
    echo $daten
    xinput map-to-output "$daten" HDMI1
    xfconf-query -c xfwm4 -p /general/margin_right -s 160
    xfconf-query -c xfwm4 -p /general/margin_left -s 480
    xfconf-query -c xfwm4 -p /general/margin_top -s 270
    xfconf-query -c xfwm4 -p /general/margin_bottom -s 10



    This script worked fine, but suddenly the mapping of the whiteboard didn't function any more. At the left and right margin there get a displace of the mouse position and the touch event. I tried to calibrate the monitor by deactivating eDP1 and use xinput_calibrator for the whiteboard and wrote this into /etc/X11/xorg.conf.d/99-calibration.conf like the programme suggested.
    But the touch event is after a reboot still perfect in the middle but gets worse on both margin, left and right.



    I also checked, if any programme was updated, but i found nothing helpful.
    The beamer also just show the picture without any new ratio and so on.
    Any suggestions?










    share|improve this question



























      0












      0








      0








      i've a touchscreen laptop (1920x1080) and a ineractive whiteboard with touch (1280x800).
      To use the full resolution of the laptop i just present a part of the monitor, that is done succesfully with the first xrandr command.



      Now i want to map the touch events of the monitor to the laptop monitor, which works.
      Because the whiteboard has always different number by xinput list i grep the number and show it on the bash. Then i map the touch events of the whiteboard to this part of the presented screen.



      The last commands are a part of xfce4 to maximise any window inside the presented part of my laptop screen.



      #!/bin/
      sh xrandr --output VIRTUAL1 --off --output eDP1 --mode 1920x1080 --pos 0x0 --rotate normal --output HDMI1 --mode 1280x800 --pos 480x270 --rotate normal
      xinput map-to-output 'ELAN Touchscreen' eDP1
      daten=$(xinput list | grep 'TimeLink' | tail -n 1 | cut -c 56-57)
      echo $daten
      xinput map-to-output "$daten" HDMI1
      xfconf-query -c xfwm4 -p /general/margin_right -s 160
      xfconf-query -c xfwm4 -p /general/margin_left -s 480
      xfconf-query -c xfwm4 -p /general/margin_top -s 270
      xfconf-query -c xfwm4 -p /general/margin_bottom -s 10



      This script worked fine, but suddenly the mapping of the whiteboard didn't function any more. At the left and right margin there get a displace of the mouse position and the touch event. I tried to calibrate the monitor by deactivating eDP1 and use xinput_calibrator for the whiteboard and wrote this into /etc/X11/xorg.conf.d/99-calibration.conf like the programme suggested.
      But the touch event is after a reboot still perfect in the middle but gets worse on both margin, left and right.



      I also checked, if any programme was updated, but i found nothing helpful.
      The beamer also just show the picture without any new ratio and so on.
      Any suggestions?










      share|improve this question
















      i've a touchscreen laptop (1920x1080) and a ineractive whiteboard with touch (1280x800).
      To use the full resolution of the laptop i just present a part of the monitor, that is done succesfully with the first xrandr command.



      Now i want to map the touch events of the monitor to the laptop monitor, which works.
      Because the whiteboard has always different number by xinput list i grep the number and show it on the bash. Then i map the touch events of the whiteboard to this part of the presented screen.



      The last commands are a part of xfce4 to maximise any window inside the presented part of my laptop screen.



      #!/bin/
      sh xrandr --output VIRTUAL1 --off --output eDP1 --mode 1920x1080 --pos 0x0 --rotate normal --output HDMI1 --mode 1280x800 --pos 480x270 --rotate normal
      xinput map-to-output 'ELAN Touchscreen' eDP1
      daten=$(xinput list | grep 'TimeLink' | tail -n 1 | cut -c 56-57)
      echo $daten
      xinput map-to-output "$daten" HDMI1
      xfconf-query -c xfwm4 -p /general/margin_right -s 160
      xfconf-query -c xfwm4 -p /general/margin_left -s 480
      xfconf-query -c xfwm4 -p /general/margin_top -s 270
      xfconf-query -c xfwm4 -p /general/margin_bottom -s 10



      This script worked fine, but suddenly the mapping of the whiteboard didn't function any more. At the left and right margin there get a displace of the mouse position and the touch event. I tried to calibrate the monitor by deactivating eDP1 and use xinput_calibrator for the whiteboard and wrote this into /etc/X11/xorg.conf.d/99-calibration.conf like the programme suggested.
      But the touch event is after a reboot still perfect in the middle but gets worse on both margin, left and right.



      I also checked, if any programme was updated, but i found nothing helpful.
      The beamer also just show the picture without any new ratio and so on.
      Any suggestions?







      ubuntu xfce xrandr xinput touch-screen






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      edited Jan 17 at 16:48









      Rui F Ribeiro

      39.6k1479132




      39.6k1479132










      asked Jan 17 at 16:48









      J. AlmerJ. Almer

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