> No (really good) news, > but I'm currently working on this. > I tried to enable touchscreen calibration without success. > > I built Xorg version Xorg-1.7.3 configured with --enable-xcalibrate > but I didn't get this extension in my Xorg, so when I try to call > xtscal > I always get this error: > # xtscal > XCALIBRATE extension missing: Success > > I debugged a bit the following packages: xtscal_0.6.3, > libxcalibrate_git, libxext_1.1.1 > > Temporary conclusion is that xtscal is no longer usable because the > xcalibrate extension is only implemented for kdrive. > Possible options are to use kdrive (hopefully not) or find another way > to calibrate our touchscreen. > I am working on a new way to calibrate the screen in the xorg (not > kdrive) way. > > Any hints or help would be greatly appreciated.
The tail end of last year I found some un-credited code :-o on the internet (believed to be public domain/GPL depending on the header of the file but that does not thrill me to be honest). I started to work on a fresh reimplementation of that code to return calibration information that could be fed into either xinput evtouch or xinput evdev (if you use a recent version of either driver that supports calibration for TS devices). I never finished the reimplementation work so a lot of the code is still the original un-credited code. Not sure if this is of any help/interest but wrapped in a suitable GUI (or even scripts and Zenity) it could provide a sensible way to calibrate a touchscreen in X using X drivers that use the Linux event handling interface (rather than TSLib). Note: I can't even recall if this code builds (I strongly suspect not) as I just grabbed it off my hard drive where it has been rotting for a while. It's really for reference only and fit for nothing more than the scrap heap at a guess. Regards, John
evdev_calibration.c
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