low level keyboard mapper for linux and windows, with advanced caps lock and shift swapping behavior
This is the only keymapper I am aware of capable of implementing this layout, which I call Unix Programmer's Dvorak, which has been my daily driver since 2014:
If you ever have mapped keys on linux, you know that there is the console keymap (loadkeys) and the X keymap (setxkbmap), also things like SDL and Virtualbox grab the input directly and respect no maps. Lastly I want to revert to QWERTY when holding ctrl so ctrl+c works just like normal, without remapping all programs to ctrl+j. Linux keymaps cannot do this either.
- Grab a keyboard device directly so only we can read events from it.
- Create a new keyboard input device with uinput, this looks identical to any other keyboard device to anything running on the box.
- Read input_events from the real device, map them, send them to our created device.
This solution is what rusty-keys implements, it works in ttys, in X, in Wayland, in virtualbox even running windows or whatever, on SDL games, it will work literally everywhere, because rusty-keys just creates a regular keyboard.
How to run
When ran, it will read a keymap.toml configuration file, refer to example and tweak to suit.
Usage: rusty-keys [options] [device_files...] Options: -h, --help prints this help message -v, --version prints the version -c, --config FILE specify the keymap config file to use (default: /etc/rusty-keys/keymap.toml)
when ran without specifying input devices, it maps all currently connected keyboards, and watches /dev/input/ with
inotify and starts mapping any new keyboards that are plugged in forever, until you kill it:
or you can specify one or multiple input devices, and it will run until all are disconnected, then stop:
rusty-keys /dev/input/event0 or
rusty-keys /dev/input/event0 /dev/input/event2
An example systemd service is in systemd/rusty-keys.service, enable it to have mapped keyboards all the time.
How to install
cargo install rusty-keys
- Arch Linux rusty-keys rusty-keys-git
- Download a static binary for your system from the releases section. github mirror
AGPLv3 for now, message me if you have a problem with this
Technically this is a re-implementation of a previous python program I had been using for 3 years previously.