diff options
Diffstat (limited to 'nixpkgs/nixos/modules/services/hardware/triggerhappy.nix')
-rw-r--r-- | nixpkgs/nixos/modules/services/hardware/triggerhappy.nix | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/services/hardware/triggerhappy.nix b/nixpkgs/nixos/modules/services/hardware/triggerhappy.nix new file mode 100644 index 000000000000..bffe7353b10e --- /dev/null +++ b/nixpkgs/nixos/modules/services/hardware/triggerhappy.nix @@ -0,0 +1,123 @@ +{ config, lib, pkgs, ... }: + +with lib; + +let + + cfg = config.services.triggerhappy; + + socket = "/run/thd.socket"; + + configFile = pkgs.writeText "triggerhappy.conf" '' + ${concatMapStringsSep "\n" + ({ keys, event, cmd, ... }: + ''${concatMapStringsSep "+" (x: "KEY_" + x) keys} ${toString { press = 1; hold = 2; release = 0; }.${event}} ${cmd}'' + ) + cfg.bindings} + ${cfg.extraConfig} + ''; + + bindingCfg = { config, ... }: { + options = { + + keys = mkOption { + type = types.listOf types.str; + description = "List of keys to match. Key names as defined in linux/input-event-codes.h"; + }; + + event = mkOption { + type = types.enum ["press" "hold" "release"]; + default = "press"; + description = "Event to match."; + }; + + cmd = mkOption { + type = types.str; + description = "What to run."; + }; + + }; + }; + +in + +{ + + ###### interface + + options = { + + services.triggerhappy = { + + enable = mkOption { + type = types.bool; + default = false; + description = '' + Whether to enable the <command>triggerhappy</command> hotkey daemon. + ''; + }; + + user = mkOption { + type = types.str; + default = "nobody"; + example = "root"; + description = '' + User account under which <command>triggerhappy</command> runs. + ''; + }; + + bindings = mkOption { + type = types.listOf (types.submodule bindingCfg); + default = []; + example = lib.literalExample '' + [ { keys = ["PLAYPAUSE"]; cmd = "''${pkgs.mpc_cli}/bin/mpc -q toggle"; } ] + ''; + description = '' + Key bindings for <command>triggerhappy</command>. + ''; + }; + + extraConfig = mkOption { + type = types.lines; + default = ""; + description = '' + Literal contents to append to the end of <command>triggerhappy</command> configuration file. + ''; + }; + + }; + + }; + + + ###### implementation + + config = mkIf cfg.enable { + + systemd.sockets.triggerhappy = { + description = "Triggerhappy Socket"; + wantedBy = [ "sockets.target" ]; + socketConfig.ListenDatagram = socket; + }; + + systemd.services.triggerhappy = { + wantedBy = [ "multi-user.target" ]; + after = [ "local-fs.target" ]; + description = "Global hotkey daemon"; + serviceConfig = { + ExecStart = "${pkgs.triggerhappy}/bin/thd ${optionalString (cfg.user != "root") "--user ${cfg.user}"} --socket ${socket} --triggers ${configFile} --deviceglob /dev/input/event*"; + }; + }; + + services.udev.packages = lib.singleton (pkgs.writeTextFile { + name = "triggerhappy-udev-rules"; + destination = "/etc/udev/rules.d/61-triggerhappy.rules"; + text = '' + ACTION=="add", SUBSYSTEM=="input", KERNEL=="event[0-9]*", ATTRS{name}!="triggerhappy", \ + RUN+="${pkgs.triggerhappy}/bin/th-cmd --socket ${socket} --passfd --udev" + ''; + }); + + }; + +} |