MacOS – How to remap a single key in Language Input

keyboardmacos

I am pretty new to Macs and these days I've been experiencing the whole frustration that comes when switching from Windows to Mac.. All my favourite shortcuts are so different or non-existent an so on..

I can live with that, there is a learning curve and I will get used to it (even though I used Karabiner to remap some shortcuts, there are plenty to learn 🙂 )

Here comes the real question here. I am also using the Bulgarian keyboard, one of those cyrillic keyboards that have more letters than the normal keyboards can fit. On Windows though I had one letter (ч) which is under the `. It is in the same key on the Mac, with the sole difference it is located..next to Left Shift so it is super hard to reach.

Can I somehow remap the ч key to § ?

I tried with Karabiner, but didn't manage to do it (maybe I missed something).

Best Answer

If you are using the Bulgarian phonetic keyboard layout you can simply enable a Karabiner preset. Search for "Bulgarian" and enable "map ч to ±":

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Remap FN key to OPTION key

One Excellent third party tool that can make amazing edits to the keyboard mapping is named Karabiner.

To accomplish option and function key changes, create a filter for the external keyboard and adjust the modifier keys.

Prerequisites: external keyboard

Download, install and open Karabiner
Open in the menulet Karabiner -> Preferences
Open the tab Misc & Uninstall
Hit the button Launch EventViewer
Hit the tab Devices
Make a note of the vendor and product ID of the external keyboard:
Hit the tab Main
Enter the (PC-)Ctrl-key, (PC-)Fn-key and the (PC-)Alt-key and make a note of the "event names/miscs":
Close the EventViewer
Hit the button Open private.xml
Open the file private.xml with an appropriate editor

Enter the customized keycode and replace the vendor name, the product name, the vendor and product ID by IDs and names found above as well as the "names/miscs" of the events (= KeyCode).

<?xml version="1.0"?>
<root>
  <devicevendordef>
    <vendorname>Cougar</vendorname>
    <vendorid>0x05ac</vendorid>
  </devicevendordef>
  <deviceproductdef>
    <productname>ATTACKX3</productname>
    <productid>0x0256</productid>
  </deviceproductdef>
  <item>
    <name>Function to Option for ATTACKX3</name>
    <identifier>private.fn2optExtK</identifier>
    <device_only>DeviceVendor::Cougar, DeviceProduct::ATTACKX3</device_only>
    <autogen>__KeyToKey__ KeyCode::Fn, KeyCode::OPTION_L</autogen>
  </item>
</root>

Depending on your findings in the Event Viewer you may have to remap (PC-)keys to Control_L and Command_L also.

Save the file
Open in the menulet Karabiner -> Preferences the tab Change Key
Hit the ReloadXML button
Enable the remapping. It should be listed at the beginning.