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bba9d17e94
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{ config, lib, pkgs, ... }: |
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with lib; |
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let |
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cfg = config.services.actkbd; |
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configFile = pkgs.writeText "actkbd.conf" '' |
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${concatMapStringsSep "\n" |
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({ keys, events, attributes, command, ... }: |
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''${concatMapStringsSep "+" toString keys}:${concatStringsSep "," events}:${concatStringsSep "," attributes}:${command}'' |
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) |
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cfg.bindings} |
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${cfg.extraConfig} |
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''; |
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bindingCfg = { config, ... }: { |
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options = { |
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keys = mkOption { |
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type = types.listOf types.int; |
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description = "List of keycodes to match."; |
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}; |
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events = mkOption { |
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type = types.listOf (types.enum ["key" "rep" "rel"]); |
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default = [ "key" ]; |
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description = "List of events to match."; |
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}; |
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attributes = mkOption { |
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type = types.listOf types.str; |
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default = [ "exec" ]; |
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description = "List of attributes."; |
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}; |
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command = mkOption { |
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type = types.str; |
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default = ""; |
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description = "What to run."; |
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}; |
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}; |
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}; |
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in |
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{ |
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###### interface |
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options = { |
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services.actkbd = { |
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enable = mkOption { |
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type = types.bool; |
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default = false; |
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description = '' |
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Whether to enable the <command>actkbd</command> key mapping daemon. |
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Turning this on will start an <command>actkbd</command> |
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instance for every evdev input that has at least one key |
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(which is okay even for systems with tiny memory footprint, |
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since actkbd normally uses <100 bytes of memory per |
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instance). |
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This allows binding keys globally without the need for e.g. |
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X11. |
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''; |
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}; |
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bindings = mkOption { |
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type = types.listOf (types.submodule bindingCfg); |
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default = []; |
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example = lib.literalExample '' |
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[ { keys = [ 113 ]; events = [ "key" ]; command = "''${pkgs.alsaUtils}/bin/amixer -q set Master toggle"; } |
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] |
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''; |
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description = '' |
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Key bindings for <command>actkbd</command>. |
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See <command>actkbd</command> <filename>README</filename> for documentation. |
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The example shows a piece of what <option>sound.enableMediaKeys</option> does when enabled. |
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''; |
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}; |
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extraConfig = mkOption { |
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type = types.lines; |
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default = ""; |
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description = '' |
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Literal contents to append to the end of actkbd configuration file. |
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''; |
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}; |
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}; |
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}; |
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###### implementation |
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config = mkIf cfg.enable { |
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services.udev.packages = lib.singleton (pkgs.writeTextFile { |
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name = "actkbd-udev-rules"; |
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destination = "/etc/udev/rules.d/61-actkbd.rules"; |
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text = '' |
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ACTION=="add", SUBSYSTEM=="input", KERNEL=="event[0-9]*", ENV{ID_INPUT_KEY}=="1", TAG+="systemd", ENV{SYSTEMD_WANTS}+="actkbd@$env{DEVNAME}.service" |
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''; |
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}); |
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systemd.services."actkbd@" = { |
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enable = true; |
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restartIfChanged = true; |
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unitConfig = { |
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Description = "actkbd on %I"; |
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ConditionPathExists = "%I"; |
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}; |
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serviceConfig = { |
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Type = "forking"; |
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ExecStart = "${pkgs.actkbd}/bin/actkbd -D -c ${configFile} -d %I"; |
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}; |
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}; |
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}; |
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} |
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