231 lines
6.2 KiB
Nix
231 lines
6.2 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.programs.autorandr;
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profileModule = types.submodule {
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options = {
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fingerprint = mkOption {
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type = types.attrsOf types.string;
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description = ''
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Output name to EDID mapping.
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Use <code>autorandr --fingerprint</code> to get current setup values.
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'';
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default = {};
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};
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config = mkOption {
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type = types.attrsOf configModule;
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description = "Per output profile configuration.";
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default = {};
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};
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hooks = mkOption {
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type = profileHooksModule;
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description = "Profile hook scripts.";
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default = {};
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};
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};
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};
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configModule = types.submodule {
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options = {
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enable = mkOption {
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type = types.bool;
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description = "Whether to enable the output.";
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default = true;
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};
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primary = mkOption {
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type = types.bool;
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description = "Whether output should be marked as primary";
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default = false;
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};
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position = mkOption {
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type = types.string;
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description = "Output position";
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default = "";
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example = "5760x0";
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};
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mode = mkOption {
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type = types.string;
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description = "Output resolution.";
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default = "";
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example = "3840x2160";
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};
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rate = mkOption {
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type = types.string;
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description = "Output framerate.";
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default = "";
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example = "60.00";
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};
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gamma = mkOption {
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type = types.string;
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description = "Output gamma configuration.";
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default = "";
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example = "1.0:0.909:0.833";
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};
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};
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};
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hookType = types.lines;
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globalHooksModule = types.submodule {
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options = {
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postswitch = mkOption {
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type = types.attrsOf hookType;
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description = "Postswitch hook executed after mode switch.";
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default = {};
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};
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preswitch = mkOption {
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type = types.attrsOf hookType;
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description = "Preswitch hook executed before mode switch.";
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default = {};
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};
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predetect = mkOption {
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type = types.attrsOf hookType;
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description = "Predetect hook executed before autorandr attempts to run xrandr.";
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default = {};
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};
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};
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};
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profileHooksModule = types.submodule {
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options = {
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postswitch = mkOption {
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type = hookType;
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description = "Postswitch hook executed after mode switch.";
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default = "";
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};
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preswitch = mkOption {
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type = hookType;
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description = "Preswitch hook executed before mode switch.";
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default = "";
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};
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predetect = mkOption {
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type = hookType;
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description = "Predetect hook executed before autorandr attempts to run xrandr.";
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default = "";
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};
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};
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};
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hookToFile = folder: name: hook:
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nameValuePair
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"autorandr/${folder}/${name}"
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{ source = "${pkgs.writeShellScriptBin "hook" hook}/bin/hook"; };
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profileToFiles = name: profile: with profile; mkMerge ([
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{
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"autorandr/${name}/setup".text = concatStringsSep "\n" (mapAttrsToList fingerprintToString fingerprint);
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"autorandr/${name}/config".text = concatStringsSep "\n" (mapAttrsToList configToString profile.config);
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}
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(mkIf (hooks.postswitch != "") (listToAttrs [ (hookToFile name "postswitch" hooks.postswitch) ]))
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(mkIf (hooks.preswitch != "") (listToAttrs [ (hookToFile name "preswitch" hooks.preswitch) ]))
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(mkIf (hooks.predetect != "") (listToAttrs [ (hookToFile name "predetect" hooks.predetect) ]))
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]);
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fingerprintToString = name: edid: "${name} ${edid}";
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configToString = name: config: if config.enable then ''
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output ${name}
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${optionalString (config.position != "") "pos ${config.position}"}
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${optionalString config.primary "primary"}
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${optionalString (config.gamma != "") "gamma ${config.gamma}"}
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${optionalString (config.mode != "") "mode ${config.mode}"}
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${optionalString (config.rate != "") "rate ${config.rate}"}
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'' else ''
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output ${name}
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off
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'';
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in
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{
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options = {
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programs.autorandr = {
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enable = mkEnableOption "Autorandr";
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hooks = mkOption {
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type = globalHooksModule;
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description = "Global hook scripts";
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default = {};
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example = literalExample ''
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{
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postswitch = {
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"notify-i3" = "''${pkgs.i3}/bin/i3-msg restart";
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"change-background" = readFile ./change-background.sh;
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"change-dpi" = '''
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case "$AUTORANDR_CURRENT_PROFILE" in
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default)
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DPI=120
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;;
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home)
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DPI=192
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;;
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work)
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DPI=144
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;;
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*)
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echo "Unknown profle: $AUTORANDR_CURRENT_PROFILE"
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exit 1
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esac
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echo "Xft.dpi: $DPI" | ''${pkgs.xorg.xrdb}/bin/xrdb -merge
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'''
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};
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}
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'';
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};
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profiles = mkOption {
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type = types.attrsOf profileModule;
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description = "Autorandr profiles specification.";
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default = {};
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example = literalExample ''
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{
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"work" = {
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fingerprint = {
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eDP1 = "<EDID>";
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DP1 = "<EDID>";
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};
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config = {
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eDP1.enable = false;
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DP1 = {
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enable = true;
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primary = true;
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position = "0x0";
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mode = "3840x2160";
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gamma = "1.0:0.909:0.833";
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rate = "60.00";
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};
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};
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hooks.postswitch = readFile ./work-postswitch.sh;
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};
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}
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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home.packages = [ pkgs.autorandr ];
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xdg.configFile = mkMerge ([
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(mapAttrs' (hookToFile "postswitch.d") cfg.hooks.postswitch)
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(mapAttrs' (hookToFile "preswitch.d") cfg.hooks.preswitch)
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(mapAttrs' (hookToFile "predetect.d") cfg.hooks.predetect)
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(mkMerge (mapAttrsToList profileToFiles cfg.profiles))
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]);
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};
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meta.maintainers = [ maintainers.uvnikita ];
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}
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