On 28-12-2020 12:42, Hendrik Boom wrote: > On Mon, Dec 28, 2020 at 09:39:04AM +0100, Didier Kryn wrote: >> Le 27/12/2020 à 21:55, Steve Litt a écrit : >>> On Sun, 27 Dec 2020 10:20:04 -0500 >>> Hendrik Boom <hend...@topoi.pooq.com> wrote: >>> >>>> My touchpad is absurdly sensitive, and I keep brushing against it by >>>> accident. I don't feel the touch at all, but the computer sure does. >>>> It can hapen while I'm typing and suddenly my text edit turns into a >>>> shell command in a newsly chosen window. >>>> I suspect even a few beard hairs can activate it. >>>> >>>> Now I usually use a wireless mouse on this computer though >>>> occasionally the mouse fails (usually low battery) an then I do want >>>> the touchpad. >>>> >>>> Is there any way to disable the touchpad normally, but to reactivate >>>> it easily when the mouse fails? >>> Yes! >>> >>> The attached touchtoggle.sh should fulfill your exact needs. Just >>> associate it with a convenient hotkey. >>> >>> For convenience I'm also putting it in the body, but use it from the >>> attachment: I have no idea what email clients do to the characters in >>> the file: >>> >>> ====================================================== >>> #!/bin/sh >>> >>> # touchtoggle.sh Copyright (C) 2019 by Steve Litt >>> # All rights reserved. >>> # Licensed via the >>> # Expat license: https://directory.fsf.org/wiki/License:Expat >>> >>> # FIRST GET DEVICE'S DEVICE ID CONTAINING CASE INSENSITIVE "TOUCHPAD" >>> devid=`xinput | grep -i touchpad | \ >>> sed -e"s/.*id=//" | sed -e"s/\s.*//"` >>> >>> # WITH THAT DEVICE ID, FIND EVERYTING ABOUT PROPERTY >>> # CONTAINING CASE INSENSITIVE "DEVICE ENABLED" >>> scratchline=`xinput --list-props 11 | \ >>> grep -i "device enabled" | \ >>> sed -e"s/^\s*//" | sed -e"s/\s*$//"` >>> proptext=`echo $scratchline | sed -e"s/\s*(.*//"` >>> propid=`echo $scratchline | sed -e"s/.*(//" | sed -e"s/).*//"` >>> currstate=`echo $scratchline | sed -e"s/.*):\s*//"` >>> >>> # DIAGNOSTICS, COMMENT OUT WHEN FULLY FUNCTIONAL >>> echo diagnostic devid =$devid >>> echo diagnostic scratchline=$scratchline >>> echo diagnostic proptext =$proptext# >>> echo diagnostic propid =$propid >>> >>> # TOGGLE CURRSTATE VARIABLE >>> echo -n "Current state of $currstate " >>> if test "$currstate" = "1"; then >>> currstate=0 >>> else >>> currstate=1 >>> fi >>> echo has been changed to $currstate. >>> >>> # IMPLEMENT THE PROPERTY VALUE CHANGE >>> xinput set-prop $devid $propid $currstate >>> >>> # UNCOMMENT FOLLOWING LINE IF PROPERTY ID STOPS WORKING >>> #xinput set-prop $devid "$proptext" $currstate >>> >>> ====================================================== >>> >>> I've had several versions of this shellscript, so please let me know >>> whether it works for you. >> Note you might as well open your laptop and unplug the touchpad. >> Just search for a tutorial on how to change it. >> >> -- Didier > Yes, in principle. The times I need my touchpad are > * when my mouse battery runs out and I don't have a new one at hand > * when my mouse mysteriously fails > * when I'm travelling and I've forgotten my mouse > etc. > In few of these cases is it practical to take my computer apart and > reconnect the touchpad, > but it can be easy to run a shell command after hitting control-alt-F1 > and logging in. > > -- hendrik
Depending on your hardware and driver the easiest solution is to blacklist the synaptics driver and modprobe it by hand whenever necessary. Grtz Nick
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