xrandr and external touchscreen on notebook

[Wolfgang Rohdewald]

am I asking for something impossible or was my question
too trivial to answer? Either way, please tell me!

On Saturday 13 February 2010, Wolfgang Rohdewald wrote:
> Hi,
> 
> I can make the external touchscreen work with this:
> 
> xrandr --output LVDS1 --right-of DVI1
> which gives me 1920x1080 on DVI1 and 1920x1200 on the
> notebook.
> 
> Now the touchscreen moves the mouse relative to the entire
> virtual screen (3840x1200). How can I restrict the touchscreen
> inputdevice to the external monitor?
> 
> I believe it should work with xorg.conf (see below) entry but
> it seems that xrandr ignores this.
> 
> I am running kubuntu 9.10 with backported KDE 4.4
> X.Org X Server 1.6.4
> 
> root at notebook:/etc/X11# cat xorg.conf
> 
> Section "ServerFlags"
>         Option  "DontZap"       "True"
> EndSection
> 
> Section "InputDevice"
>         Identifier "Acer T230H"
>         Driver "evdev"
>         Option "Device"
> "/dev/input/by-id/usb-Acer_T230H-event-if00" Option
> "Calibration" "0 1920 0 1080"
> EndSection
> 
> Section "ServerLayout"
>         Identifier "Touchscreen"
>         InputDevice "Acer T230H" "SendCoreEvents"
> EndSection
> 
> notebook:~$ xrandr -q
> Screen 0: minimum 320 x 200, current 3840 x 1200, maximum 4096
> x 4096 VGA1 disconnected (normal left inverted right x axis y
> axis) LVDS1 connected 1920x1200+1920+0 (normal left inverted
> right x axis y axis) 367mm x 230mm
>    1920x1200      60.0*+
>    1600x1200      60.0
>    1680x1050      60.0
>    1600x1024      60.2
>    1400x1050      60.0
>    1280x1024      60.0
>    1440x900       59.9
>    1280x960       60.0
>    1360x768       59.8
>    1152x864       60.0
>    1024x768       60.0
>    800x600        60.3
>    640x480        59.9
> DVI1 connected 1920x1080+0+0 (normal left inverted right x
> axis y axis) 443mm x 249mm
>    1920x1080      60.0*+
>    1024x768       70.1     60.0
>    800x600        60.3     56.2
>    640x480        66.7     60.0
>    720x400        70.1
> TV1 disconnected (normal left inverted right x axis y axis)


-- 
Wolfgang