294 lines
9.3 KiB
Nix
294 lines
9.3 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.wayland.windowManager.hyprland;
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variables = builtins.concatStringsSep " " cfg.systemd.variables;
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extraCommands = builtins.concatStringsSep " "
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(map (f: "&& ${f}") cfg.systemd.extraCommands);
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systemdActivation = ''
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exec-once = ${pkgs.dbus}/bin/dbus-update-activation-environment --systemd ${variables} ${extraCommands}
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'';
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in {
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meta.maintainers = [ lib.maintainers.fufexan ];
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# A few option removals and renames to aid those migrating from the upstream
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# module.
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imports = [
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(lib.mkRemovedOptionModule # \
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[ "wayland" "windowManager" "hyprland" "disableAutoreload" ]
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"Autoreloading now always happens")
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(lib.mkRemovedOptionModule # \
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[ "wayland" "windowManager" "hyprland" "recommendedEnvironment" ]
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"Recommended environment variables are now always set")
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(lib.mkRemovedOptionModule # \
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[ "wayland" "windowManager" "hyprland" "xwayland" "hidpi" ]
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"HiDPI patches are deprecated. Refer to https://wiki.hyprland.org/Configuring/XWayland")
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(lib.mkRenamedOptionModule # \
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[ "wayland" "windowManager" "hyprland" "nvidiaPatches" ] # \
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[ "wayland" "windowManager" "hyprland" "enableNvidiaPatches" ])
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(lib.mkRenamedOptionModule # \
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[ "wayland" "windowManager" "hyprland" "systemdIntegration" ] # \
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[ "wayland" "windowManager" "hyprland" "systemd" "enable" ])
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];
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options.wayland.windowManager.hyprland = {
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enable = lib.mkEnableOption "Hyprland wayland compositor";
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package = lib.mkPackageOption pkgs "hyprland" { };
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finalPackage = lib.mkOption {
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type = lib.types.package;
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readOnly = true;
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default = cfg.package.override {
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enableXWayland = cfg.xwayland.enable;
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enableNvidiaPatches = cfg.enableNvidiaPatches;
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};
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defaultText = lib.literalMD
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"`wayland.windowManager.hyprland.package` with applied configuration";
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description = ''
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The Hyprland package after applying configuration.
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'';
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};
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plugins = lib.mkOption {
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type = with lib.types; listOf (either package path);
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default = [ ];
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description = ''
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List of Hyprland plugins to use. Can either be packages or
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absolute plugin paths.
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'';
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};
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systemd = {
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enable = lib.mkEnableOption null // {
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default = true;
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description = ''
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Whether to enable {file}`hyprland-session.target` on
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hyprland startup. This links to `graphical-session.target`.
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Some important environment variables will be imported to systemd
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and D-Bus user environment before reaching the target, including
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- `DISPLAY`
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- `HYPRLAND_INSTANCE_SIGNATURE`
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- `WAYLAND_DISPLAY`
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- `XDG_CURRENT_DESKTOP`
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'';
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};
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variables = lib.mkOption {
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type = with lib.types; listOf str;
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default = [
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"DISPLAY"
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"HYPRLAND_INSTANCE_SIGNATURE"
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"WAYLAND_DISPLAY"
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"XDG_CURRENT_DESKTOP"
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];
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example = [ "--all" ];
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description = ''
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Environment variables to be imported in the systemd & D-Bus user
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environment.
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'';
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};
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extraCommands = lib.mkOption {
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type = with lib.types; listOf str;
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default = [
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"systemctl --user stop hyprland-session.target"
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"systemctl --user start hyprland-session.target"
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];
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description = "Extra commands to be run after D-Bus activation.";
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};
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};
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xwayland.enable = lib.mkEnableOption "XWayland" // { default = true; };
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enableNvidiaPatches =
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lib.mkEnableOption "patching wlroots for better Nvidia support";
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settings = lib.mkOption {
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type = with lib.types;
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let
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valueType = nullOr (oneOf [
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bool
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int
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float
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str
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path
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(attrsOf valueType)
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(listOf valueType)
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]) // {
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description = "Hyprland configuration value";
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};
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in valueType;
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default = { };
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description = ''
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Hyprland configuration written in Nix. Entries with the same key
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should be written as lists. Variables' and colors' names should be
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quoted. See <https://wiki.hyprland.org> for more examples.
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::: {.note}
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Use the [](#opt-wayland.windowManager.hyprland.plugins) option to
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declare plugins.
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:::
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'';
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example = lib.literalExpression ''
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{
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decoration = {
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shadow_offset = "0 5";
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"col.shadow" = "rgba(00000099)";
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};
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"$mod" = "SUPER";
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bindm = [
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# mouse movements
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"$mod, mouse:272, movewindow"
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"$mod, mouse:273, resizewindow"
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"$mod ALT, mouse:272, resizewindow"
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];
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}
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'';
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};
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extraConfig = lib.mkOption {
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type = lib.types.lines;
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default = "";
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example = ''
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# window resize
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bind = $mod, S, submap, resize
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submap = resize
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binde = , right, resizeactive, 10 0
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binde = , left, resizeactive, -10 0
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binde = , up, resizeactive, 0 -10
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binde = , down, resizeactive, 0 10
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bind = , escape, submap, reset
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submap = reset
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'';
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description = ''
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Extra configuration lines to add to `~/.config/hypr/hyprland.conf`.
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'';
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};
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sourceFirst = lib.mkEnableOption ''
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putting source entries at the top of the configuration
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'' // {
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default = true;
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};
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};
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config = lib.mkIf cfg.enable {
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assertions = [
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(lib.hm.assertions.assertPlatform "wayland.windowManager.hyprland" pkgs
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lib.platforms.linux)
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];
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warnings = let
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inconsistent = (cfg.systemd.enable || cfg.plugins != [ ])
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&& cfg.extraConfig == "" && cfg.settings == { };
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warning =
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"You have enabled hyprland.systemd.enable or listed plugins in hyprland.plugins but do not have any configuration in hyprland.settings or hyprland.extraConfig. This is almost certainly a mistake.";
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in lib.optional inconsistent warning;
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home.packages = lib.optional (cfg.package != null) cfg.finalPackage;
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xdg.configFile."hypr/hyprland.conf" = let
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shouldGenerate = cfg.systemd.enable || cfg.extraConfig != ""
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|| cfg.settings != { } || cfg.plugins != [ ];
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toHyprconf = with lib;
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attrs: indentLevel:
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let
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indent = concatStrings (replicate indentLevel " ");
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sections = filterAttrs (n: v: isAttrs v && n != "device") attrs;
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mkSection = n: attrs: ''
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${indent}${n} {
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${toHyprconf attrs (indentLevel + 1)}${indent}}
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'';
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mkDeviceCategory = device: ''
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${indent}device {
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name=${device.name}
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${
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toHyprconf (filterAttrs (n: _: "name" != n) device)
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(indentLevel + 1)
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}${indent}}
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'';
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deviceCategory = lib.optionalString (hasAttr "device" attrs)
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(if isList attrs.device then
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(concatMapStringsSep "\n" (d: mkDeviceCategory d) attrs.device)
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else
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mkDeviceCategory attrs.device);
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mkFields = generators.toKeyValue {
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listsAsDuplicateKeys = true;
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inherit indent;
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};
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allFields = filterAttrs (n: v: !(isAttrs v) && n != "device") attrs;
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importantFields = filterAttrs (n: _:
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(hasPrefix "$" n) || (hasPrefix "bezier" n)
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|| (cfg.sourceFirst && (hasPrefix "source" n))) allFields;
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fields = builtins.removeAttrs allFields
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(mapAttrsToList (n: _: n) importantFields);
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in mkFields importantFields + deviceCategory
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+ concatStringsSep "\n" (mapAttrsToList mkSection sections)
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+ mkFields fields;
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pluginsToHyprconf = plugins:
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toHyprconf {
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plugin = let
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mkEntry = entry:
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if lib.types.package.check entry then
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"${entry}/lib/lib${entry.pname}.so"
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else
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entry;
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in map mkEntry cfg.plugins;
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} 0;
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in lib.mkIf shouldGenerate {
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text = lib.optionalString cfg.systemd.enable systemdActivation
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+ lib.optionalString (cfg.plugins != [ ])
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(pluginsToHyprconf cfg.plugins)
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+ lib.optionalString (cfg.settings != { }) (toHyprconf cfg.settings 0)
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+ lib.optionalString (cfg.extraConfig != "") cfg.extraConfig;
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onChange = lib.mkIf (cfg.package != null) ''
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( # Execute in subshell so we don't poision environment with vars
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if [[ -d "/tmp/hypr" ]]; then
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for i in $(${cfg.finalPackage}/bin/hyprctl instances -j | jq ".[].instance" -r); do
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${cfg.finalPackage}/bin/hyprctl -i "$i" reload config-only
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done
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fi
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)
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'';
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};
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systemd.user.targets.hyprland-session = lib.mkIf cfg.systemd.enable {
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Unit = {
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Description = "Hyprland compositor session";
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Documentation = [ "man:systemd.special(7)" ];
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BindsTo = [ "graphical-session.target" ];
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Wants = [ "graphical-session-pre.target" ];
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After = [ "graphical-session-pre.target" ];
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};
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};
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systemd.user.targets.tray = {
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Unit = {
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Description = "Home Manager System Tray";
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Requires = [ "graphical-session-pre.target" ];
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};
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};
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};
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}
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