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https://github.com/nix-community/home-manager
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5f433eb164
Before, loading a module would be guarded by an optional platform condition. This made it possible to avoid loading and evaluating a module if it did not support the host platform. Unfortunately, this made it impossible to share a single configuration between GNU/Linux and Darwin hosts, which some wish to do. This removes the conditional load and instead inserts host platform assertions in the modules that are platform specific. Fixes #1906
81 lines
2.3 KiB
Nix
81 lines
2.3 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.xcape;
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in {
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meta.maintainers = [ maintainers.nickhu ];
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options = {
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services.xcape = {
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enable = mkEnableOption "xcape";
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timeout = mkOption {
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type = types.nullOr types.int;
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default = null;
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example = 500;
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description = ''
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If you hold a key longer than this timeout, xcape will not
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generate a key event. Default is 500 ms.
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'';
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};
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mapExpression = mkOption {
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type = types.attrsOf types.str;
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default = { };
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example = {
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Shift_L = "Escape";
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Control_L = "Control_L|O";
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};
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description = ''
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The value has the grammar <literal>Key[|OtherKey]</literal>.
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</para>
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<para>
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The list of key names is found in the header file
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<filename>X11/keysymdef.h</filename> (remove the
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<literal>XK_</literal> prefix). Note that due to limitations
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of X11 shifted keys must be specified as a shift key
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followed by the key to be pressed rather than the actual
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name of the character. For example to generate "{" the
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expression <literal>Shift_L|bracketleft</literal> could be
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used (assuming that you have a key with "{" above "[").
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</para>
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<para>
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You can also specify keys in decimal (prefix #), octal (#0),
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or hexadecimal (#0x). They will be interpreted as keycodes
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unless no corresponding key name is found.
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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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assertions = [
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(lib.hm.assertions.assertPlatform "services.xcape" pkgs
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lib.platforms.linux)
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];
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systemd.user.services.xcape = {
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Unit = {
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Description = "xcape";
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After = [ "graphical-session-pre.target" ];
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PartOf = [ "graphical-session.target" ];
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};
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Service = {
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Type = "forking";
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ExecStart = "${pkgs.xcape}/bin/xcape"
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+ optionalString (cfg.timeout != null) " -t ${toString cfg.timeout}"
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+ optionalString (cfg.mapExpression != { }) " -e '${
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builtins.concatStringsSep ";"
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(attrsets.mapAttrsToList (n: v: "${n}=${v}") cfg.mapExpression)
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}'";
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};
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Install = { WantedBy = [ "graphical-session.target" ]; };
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};
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};
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}
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