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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.autorandr;
hookType = types.lines;
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 `autorandr --fingerprint` to get current setup values.
'';
default = { };
};
config = mkOption {
type = types.attrsOf configModule;
description = "Per output profile configuration.";
default = { };
};
hooks = mkOption {
type = hooksModule;
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
{manpage}`xrandr(1)`
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.
Either configure by pixels or a scaling factor. When using pixel method the
{manpage}`xrandr(1)`
option
`--scale-from`
will be used; when using factor method the option
`--scale`
will be used.
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;
}
'';
};
};
};
hooksModule = 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 = { };
};
};
};
hookToFile = folder: name: hook:
nameValuePair "xdg/autorandr/${folder}/${name}" {
source = "${pkgs.writeShellScriptBin "hook" hook}/bin/hook";
};
profileToFiles = name: profile:
with profile;
mkMerge ([
{
"xdg/autorandr/${name}/setup".text = concatStringsSep "\n"
(mapAttrsToList fingerprintToString fingerprint);
"xdg/autorandr/${name}/config".text =
concatStringsSep "\n" (mapAttrsToList configToString profile.config);
}
(mapAttrs' (hookToFile "${name}/postswitch.d") hooks.postswitch)
(mapAttrs' (hookToFile "${name}/preswitch.d") hooks.preswitch)
(mapAttrs' (hookToFile "${name}/predetect.d") hooks.predetect)
]);
fingerprintToString = name: edid: "${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 ${name}
off
'';
in {
options = {
services.autorandr = {
enable = mkEnableOption "handling of hotplug and sleep events by autorandr";
defaultTarget = mkOption {
default = "default";
type = types.str;
description = ''
Fallback if no monitor layout can be detected. See the docs
(https://github.com/phillipberndt/autorandr/blob/v1.0/README.md#how-to-use)
for further reference.
'';
};
ignoreLid = mkOption {
default = false;
type = types.bool;
description = "Treat outputs as connected even if their lids are closed";
};
matchEdid = mkOption {
default = false;
type = types.bool;
description = "Match displays based on edid instead of name";
};
hooks = mkOption {
type = hooksModule;
description = "Global hook scripts";
default = { };
example = literalExpression ''
{
postswitch = {
"notify-i3" = "''${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 {
services.udev.packages = [ pkgs.autorandr ];
environment = {
systemPackages = [ pkgs.autorandr ];
etc = 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))
]);
};
systemd.services.autorandr = {
wantedBy = [ "sleep.target" ];
description = "Autorandr execution hook";
after = [ "sleep.target" ];
startLimitIntervalSec = 5;
startLimitBurst = 1;
serviceConfig = {
ExecStart = ''
${pkgs.autorandr}/bin/autorandr \
--batch \
--change \
--default ${cfg.defaultTarget} \
${optionalString cfg.ignoreLid "--ignore-lid"} \
${optionalString cfg.matchEdid "--match-edid"}
'';
Type = "oneshot";
RemainAfterExit = false;
KillMode = "process";
};
};
};
meta.maintainers = with maintainers; [ alexnortung ];
}
|