1
0
Fork 0
mirror of https://github.com/nix-community/home-manager synced 2024-11-27 13:39:46 +01:00
home-manager/modules/programs/autorandr.nix
Naïm Favier bd11e2c5e6
Replace usage of literalExample
Instead use the new function `literalExpression`. See

  https://github.com/NixOS/nixpkgs/pull/136909
2021-10-13 00:16:10 +02:00

364 lines
11 KiB
Nix
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.autorandr;
matrixOf = n: m: elemType:
mkOptionType rec {
name = "matrixOf";
description =
"${toString n}×${toString m} matrix of ${elemType.description}s";
check = xss:
let listOfSize = l: xs: isList xs && length xs == l;
in listOfSize n xss
&& all (xs: listOfSize m xs && all elemType.check xs) xss;
merge = mergeOneOption;
getSubOptions = prefix: elemType.getSubOptions (prefix ++ [ "*" "*" ]);
getSubModules = elemType.getSubModules;
substSubModules = mod: matrixOf n m (elemType.substSubModules mod);
functor = (defaultFunctor name) // { wrapped = elemType; };
};
profileModule = types.submodule {
options = {
fingerprint = mkOption {
type = types.attrsOf types.str;
description = ''
Output name to EDID mapping.
Use <code>autorandr --fingerprint</code> to get current setup values.
'';
default = { };
};
config = mkOption {
type = types.attrsOf configModule;
description = "Per output profile configuration.";
default = { };
};
hooks = mkOption {
type = profileHooksModule;
description = "Profile hook scripts.";
default = { };
};
};
};
configModule = types.submodule {
options = {
enable = mkOption {
type = types.bool;
description = "Whether to enable the output.";
default = true;
};
crtc = mkOption {
type = types.nullOr types.ints.unsigned;
description = "Output video display controller.";
default = null;
example = 0;
};
primary = mkOption {
type = types.bool;
description = "Whether output should be marked as primary";
default = false;
};
position = mkOption {
type = types.str;
description = "Output position";
default = "";
example = "5760x0";
};
mode = mkOption {
type = types.str;
description = "Output resolution.";
default = "";
example = "3840x2160";
};
rate = mkOption {
type = types.str;
description = "Output framerate.";
default = "";
example = "60.00";
};
gamma = mkOption {
type = types.str;
description = "Output gamma configuration.";
default = "";
example = "1.0:0.909:0.833";
};
rotate = mkOption {
type = types.nullOr (types.enum [ "normal" "left" "right" "inverted" ]);
description = "Output rotate configuration.";
default = null;
example = "left";
};
transform = mkOption {
type = types.nullOr (matrixOf 3 3 types.float);
default = null;
example = literalExpression ''
[
[ 0.6 0.0 0.0 ]
[ 0.0 0.6 0.0 ]
[ 0.0 0.0 1.0 ]
]
'';
description = ''
Refer to
<citerefentry>
<refentrytitle>xrandr</refentrytitle>
<manvolnum>1</manvolnum>
</citerefentry>
for the documentation of the transform matrix.
'';
};
dpi = mkOption {
type = types.nullOr types.ints.positive;
description = "Output DPI configuration.";
default = null;
example = 96;
};
scale = mkOption {
type = types.nullOr (types.submodule {
options = {
method = mkOption {
type = types.enum [ "factor" "pixel" ];
description = "Output scaling method.";
default = "factor";
example = "pixel";
};
x = mkOption {
type = types.either types.float types.ints.positive;
description = "Horizontal scaling factor/pixels.";
};
y = mkOption {
type = types.either types.float types.ints.positive;
description = "Vertical scaling factor/pixels.";
};
};
});
description = ''
Output scale configuration.
</para><para>
Either configure by pixels or a scaling factor. When using pixel method the
<citerefentry>
<refentrytitle>xrandr</refentrytitle>
<manvolnum>1</manvolnum>
</citerefentry>
option
<parameter class="command">--scale-from</parameter>
will be used; when using factor method the option
<parameter class="command">--scale</parameter>
will be used.
</para><para>
This option is a shortcut version of the transform option and they are mutually
exclusive.
'';
default = null;
example = literalExpression ''
{
x = 1.25;
y = 1.25;
}
'';
};
};
};
hookType = types.lines;
globalHooksModule = types.submodule {
options = {
postswitch = mkOption {
type = types.attrsOf hookType;
description = "Postswitch hook executed after mode switch.";
default = { };
};
preswitch = mkOption {
type = types.attrsOf hookType;
description = "Preswitch hook executed before mode switch.";
default = { };
};
predetect = mkOption {
type = types.attrsOf hookType;
description = ''
Predetect hook executed before autorandr attempts to run xrandr.
'';
default = { };
};
};
};
profileHooksModule = types.submodule {
options = {
postswitch = mkOption {
type = hookType;
description = "Postswitch hook executed after mode switch.";
default = "";
};
preswitch = mkOption {
type = hookType;
description = "Preswitch hook executed before mode switch.";
default = "";
};
predetect = mkOption {
type = hookType;
description = ''
Predetect hook executed before autorandr attempts to run xrandr.
'';
default = "";
};
};
};
hookToFile = folder: name: hook:
nameValuePair "autorandr/${folder}/${name}" {
source = "${pkgs.writeShellScriptBin "hook" hook}/bin/hook";
};
profileToFiles = name: profile:
with profile;
mkMerge ([
{
"autorandr/${name}/setup".text = concatStringsSep "\n"
(mapAttrsToList fingerprintToString fingerprint);
"autorandr/${name}/config".text =
concatStringsSep "\n" (mapAttrsToList configToString profile.config);
}
(mkIf (hooks.postswitch != "")
(listToAttrs [ (hookToFile name "postswitch" hooks.postswitch) ]))
(mkIf (hooks.preswitch != "")
(listToAttrs [ (hookToFile name "preswitch" hooks.preswitch) ]))
(mkIf (hooks.predetect != "")
(listToAttrs [ (hookToFile name "predetect" hooks.predetect) ]))
]);
fingerprintToString = name: edid: "${name} ${edid}";
configToString = name: config:
if config.enable then
concatStringsSep "\n" ([ "output ${name}" ]
++ optional (config.position != "") "pos ${config.position}"
++ optional (config.crtc != null) "crtc ${toString config.crtc}"
++ optional config.primary "primary"
++ optional (config.dpi != null) "dpi ${toString config.dpi}"
++ optional (config.gamma != "") "gamma ${config.gamma}"
++ optional (config.mode != "") "mode ${config.mode}"
++ optional (config.rate != "") "rate ${config.rate}"
++ optional (config.rotate != null) "rotate ${config.rotate}"
++ optional (config.transform != null) ("transform "
+ concatMapStringsSep "," toString (flatten config.transform))
++ optional (config.scale != null)
((if config.scale.method == "factor" then "scale" else "scale-from")
+ " ${toString config.scale.x}x${toString config.scale.y}"))
else ''
output ${name}
off
'';
in {
options = {
programs.autorandr = {
enable = mkEnableOption "Autorandr";
hooks = mkOption {
type = globalHooksModule;
description = "Global hook scripts";
default = { };
example = literalExpression ''
{
postswitch = {
"notify-i3" = "''${pkgs.i3}/bin/i3-msg restart";
"change-background" = readFile ./change-background.sh;
"change-dpi" = '''
case "$AUTORANDR_CURRENT_PROFILE" in
default)
DPI=120
;;
home)
DPI=192
;;
work)
DPI=144
;;
*)
echo "Unknown profle: $AUTORANDR_CURRENT_PROFILE"
exit 1
esac
echo "Xft.dpi: $DPI" | ''${pkgs.xorg.xrdb}/bin/xrdb -merge
'''
};
}
'';
};
profiles = mkOption {
type = types.attrsOf profileModule;
description = "Autorandr profiles specification.";
default = { };
example = literalExpression ''
{
"work" = {
fingerprint = {
eDP1 = "<EDID>";
DP1 = "<EDID>";
};
config = {
eDP1.enable = false;
DP1 = {
enable = true;
crtc = 0;
primary = true;
position = "0x0";
mode = "3840x2160";
gamma = "1.0:0.909:0.833";
rate = "60.00";
rotate = "left";
};
};
hooks.postswitch = readFile ./work-postswitch.sh;
};
}
'';
};
};
};
config = mkIf cfg.enable {
assertions = flatten (mapAttrsToList (profile:
{ config, ... }:
mapAttrsToList (output: opts: {
assertion = opts.scale == null || opts.transform == null;
message = ''
Cannot use the profile output options 'scale' and 'transform' simultaneously.
Check configuration for: programs.autorandr.profiles.${profile}.config.${output}
'';
}) config) cfg.profiles);
home.packages = [ pkgs.autorandr ];
xdg.configFile = mkMerge ([
(mapAttrs' (hookToFile "postswitch.d") cfg.hooks.postswitch)
(mapAttrs' (hookToFile "preswitch.d") cfg.hooks.preswitch)
(mapAttrs' (hookToFile "predetect.d") cfg.hooks.predetect)
(mkMerge (mapAttrsToList profileToFiles cfg.profiles))
]);
};
meta.maintainers = [ maintainers.uvnikita ];
}