nixpkgs/nixos/modules/services/x11/hardware/cmt.nix
Calvin Kim a96a5f37d2 nixos/cmt: Update error message for cmt
Added clearer error message for the failed assertion with libinput
2019-10-01 19:43:27 +09:00

60 lines
2.1 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.xserver.cmt;
etcPath = "X11/xorg.conf.d";
in {
options = {
services.xserver.cmt = {
enable = mkOption {
type = types.bool;
default = false;
description = "Enable chrome multitouch input (cmt). Touchpad drivers that are configured for chromebooks.";
};
models = mkOption {
type = types.enum [ "atlas" "banjo" "candy" "caroline" "cave" "celes" "clapper" "cyan" "daisy" "elan" "elm" "enguarde" "eve" "expresso" "falco" "gandof" "glimmer" "gnawty" "heli" "kevin" "kip" "leon" "lulu" "orco" "pbody" "peppy" "pi" "pit" "puppy" "quawks" "rambi" "samus" "snappy" "spring" "squawks" "swanky" "winky" "wolf" "auron_paine" "auron_yuna" "daisy_skate" "nyan_big" "nyan_blaze" "veyron_jaq" "veyron_jerry" "veyron_mighty" "veyron_minnie" "veyron_speedy" ];
example = "banjo";
description = ''
Which models to enable cmt for. Enter the Code Name for your Chromebook.
Code Name can be found at <link xlink:href="https://www.chromium.org/chromium-os/developer-information-for-chrome-os-devices" />.
'';
};
}; #closes services
}; #closes options
config = mkIf cfg.enable {
services.xserver.modules = [ pkgs.xf86_input_cmt ];
environment.etc = {
"${etcPath}/40-touchpad-cmt.conf" = {
source = "${pkgs.chromium-xorg-conf}/40-touchpad-cmt.conf";
};
"${etcPath}/50-touchpad-cmt-${cfg.models}.conf" = {
source = "${pkgs.chromium-xorg-conf}/50-touchpad-cmt-${cfg.models}.conf";
};
"${etcPath}/60-touchpad-cmt-${cfg.models}.conf" = {
source = "${pkgs.chromium-xorg-conf}/60-touchpad-cmt-${cfg.models}.conf";
};
};
assertions = [
{
assertion = !config.services.xserver.libinput.enable;
message = ''
cmt and libinput are incompatible, meaning you cannot enable them both.
To use cmt you need to disable libinput with `services.xserver.libinput.enable = false`
If you haven't enabled it in configuration.nix, it's enabled by default on a
different xserver module.
'';
}
];
};
}