We're pairing! Like - almost all the time. I'm really enjoying it, but as we tend to not always pair on the same machine, it takes time until the setup converges to some standard which is accepted by every potential pairing partner.
One of the most annoying things I've encountered is keyboard layout switching. Like 80% of the time that you switch from the driver- to the navigator-seat, or vice versa, you forget to (use some arbitrary, machine-dependent non-automatism to) switch the keyboard layout back to what it used to be before. This can range from varying keyboard shortcuts (Alt+Shift+Ctrl+F1+F12+CAPS+F) to raw setxkbmap calls.
Long story short - use the power of X11 to set a keyboard layout per connected keyboard, and enjoy the whole pairing session without a "WTFIHATEYOURMACHINE!" once!
DISCLAIMER: stop your energy pointing me to udev! kthxbye.
1. Find your keyboards
xinput will give you all connected input devices. Find your keyboards and write down the associated ids. In my case, these are id=10 and id=11.
Also note that both keyboards have the same usb major and minor (046a:0011), which makes further automation rather hard due to missing uniqueness. If you have two different keyboards,
you can automate the next step based on the usb ids.
[zined@wurstbrot ~]$ xinput -list
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ Logitech USB-PS/2 Optical Mouse id=12 [slave pointer (2)]
⎜ ↳ SynPS/2 Synaptics TouchPad id=14 [slave pointer (2)]
⎜ ↳ TPPS/2 IBM TrackPoint id=15 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Video Bus id=7 [slave keyboard (3)]
↳ Sleep Button id=8 [slave keyboard (3)]
↳ Integrated Camera id=9 [slave keyboard (3)]
↳ HID 046a:0011 id=10 [slave keyboard (3)]
↳ HID 046a:0011 id=11 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=13 [slave keyboard (3)]
↳ ThinkPad Extra Buttons id=16 [slave keyboard (3)]
[zined@wurstbrot ~]$
2. Set a layout per device
Now that we know the ids of our keyboards, simply use setxkbmap to set two different layouts for your keyboards.
[zined@wurstbrot ~]$ setxkbmap -device 10 de [zined@wurstbrot ~]$ setxkbmap -device 11 en_US [zined@wurstbrot ~]$
3. Enjoy pairing
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