I am trying to find a way to remap keyboard keys forcefully.
I tried using xmodmap and setxkbmap, but they do not work for one specific application. Such commands work for other normal windowed/applications on X tho.
I think the application may be reading the keyboard raw data and ignoring X input?
So, how to remap keys without using xmodmap and setxkbmap? if it is ever possible to be done using some software.
I also tried xkeycaps, xkbcomp, but did not try loadkeys, as it is running on X.
I found here that I could try setkeycodes, "because after assigning kernel keycode the button should work in xorg", but I also found that "you can't use 'setkeycodes' on USB keyboards", that's my case (I am interested in case someone make it work on ps2 as I think I could use an adapter).
This seemed promising "Map scancodes to keycodes", but after a few tests nothing changed, here are they:
I found keycode "36" ("j" key) at vt1 with showkey
I found scancode "7e" (keypad ".") at vt1 with showkey --scancodes
$cat >/etc/udev/hwdb.d/90-custom-keyboard.hwdb keyboard:usb:v*p* keyboard:dmi:bvn*:bvr*:bd*:svn*:pn*:pvr* KEYBOARD_KEY_7e=36 $udevadm hwdb --update #updates file: /lib/udev/hwdb.bin $udevadm trigger #should apply the changes but nothing happened $cat /lib/udev/hwdb.bin |egrep "KEYBOARD_KEY_7e.{10}" -ao KEYBOARD_KEY_7eleftmeta $#that cat on hwdb.bin did not change after the commands.. Obs.: did not work either with: KEYBOARD_KEY_7e=j
Some more alternative ways (by @vinc17) to find the keys:
evtest /dev/input/by-id/... or
input-kbd 3 (put the id index found at ls -l /dev/input/by-id/* from ex. event3)
PS.: *If you are interested on testing yourself, the related thread for the application is this: http://forums.thedarkmod.com/topic/14266-keyboard-issue-in-new-version-108/ The issues I have are the same: some keys (KP_Decimal, DownArrow, UpArrow, RightArrow) are ignored and considered all with the same value there "0x00"