125 lines
3.2 KiB
Nix
125 lines
3.2 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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let
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cfg = config.module.keyd;
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mkAllLetterKeysSet =
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mkValue:
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"abcdefghijklmnopqrstuvwxyz"
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|> lib.strings.stringToCharacters
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|> map (key: {
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name = key;
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value = mkValue key;
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})
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|> lib.listToAttrs;
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in
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{
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config = lib.mkIf cfg.enable {
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environment.systemPackages = with pkgs; [ keyd ];
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services.keyd = {
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enable = true;
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keyboards.default = {
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ids = [ "*" ];
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settings = {
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# NOTE: Use `wev` to find key names.
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main = {
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backspace = "delete"; # Delete key on backspace.
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capslock = "overload(control, esc)"; # Ctrl/esc combo.
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compose = "layer(layer_alternative)";
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delete = "backslash";
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esc = "overload(layer_print, grave)"; # System controls.
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leftcontrol = "overload(layer_alternative, leftcontrol)"; # Alternative layer for home, end etc.
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rightcontrol = "layer(layer_number)"; # Media and other controls.
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rightshift = "backspace"; # Backspace.
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};
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# Alternative navigation.
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layer_alternative = {
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# Fx keys.
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"0" = "f10";
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"1" = "f1";
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"2" = "f2";
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"3" = "f3";
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"4" = "f4";
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"5" = "f5";
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"6" = "f6";
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"7" = "f7";
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"8" = "f8";
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"9" = "f9";
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minus = "f11";
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equal = "f12";
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# Legacy navigation.
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a = "home";
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d = "end";
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p = "pageup";
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n = "pagedown";
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h = "left";
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j = "down";
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k = "up";
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l = "right";
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# Media controls.
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s = "volumedown";
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w = "volumeup";
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q = "previoussong";
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e = "nextsong";
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space = "playpause";
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z = "micmute";
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x = "stopcd";
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c = "mute";
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v = "ejectcd"; # Toggle audio output.
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# Reset keys.
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backspace = "backspace";
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capslock = "capslock";
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compose = "compose";
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delete = "delete";
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esc = "esc";
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rightcontrol = "rightcontrol";
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rightshift = "rightshift";
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};
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# NOTE: Vacant compose key layer.
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# layer_compose = { };
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# Number inputs.
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layer_number = {
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"1" = "kpequal";
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"2" = "kpslash";
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"3" = "kpasterisk";
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"4" = "kpminus";
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a = "4";
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c = "3";
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d = "6";
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e = "9";
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f = "kpenter";
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q = "7";
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r = "kpplus";
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s = "5";
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v = "kpcomma";
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w = "8";
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x = "2";
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z = "1";
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shift = "backspace";
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space = "0";
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};
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layer_print = mkAllLetterKeysSet (key: "macro(print+${key})");
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};
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};
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};
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# HACK: Workaround for https://github.com/NixOS/nixpkgs/issues/290161
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users.groups.keyd = { };
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systemd.services.keyd.serviceConfig.CapabilityBoundingSet = [ "CAP_SETGID" ];
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# Debug toggle just in case I need it again.
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# systemd.services.keyd.environment.KEYD_DEBUG = "1";
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};
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}
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