self: { config, lib, pkgs, ... }: let cfg = config.wayland.windowManager.hyprland; defaultHyprlandPackage = self.packages.${pkgs.stdenv.hostPlatform.system}.default.override { enableXWayland = cfg.xwayland.enable; hidpiXWayland = cfg.xwayland.hidpi; nvidiaPatches = cfg.nvidiaPatches; }; in { options.wayland.windowManager.hyprland = { enable = lib.mkEnableOption "hyprland wayland compositor"; package = lib.mkOption { type = with lib.types; nullOr package; default = defaultHyprlandPackage; description = '' Hyprland package to use. Will override the 'xwayland' option. Defaults to the one provided by the flake. Set it to pkgs.hyprland to use the one provided by nixpkgs or if you have an overlay. Set to null to not add any Hyprland package to your path. This should be done if you want to use the NixOS module to install Hyprland. ''; }; systemdIntegration = lib.mkOption { type = lib.types.bool; default = pkgs.stdenv.isLinux; description = '' Whether to enable hyprland-session.target on hyprland startup. This links to graphical-session.target. Some important environment variables will be imported to systemd and dbus user environment before reaching the target, including DISPLAY WAYLAND_DISPLAY HYPRLAND_INSTANCE_SIGNATURE XDG_CURRENT_DESKTOP ''; }; disableAutoreload = lib.mkOption { type = lib.types.bool; default = false; defaultText = lib.literalExpression "false"; example = lib.literalExpression "true"; description = '' Whether to disable automatically reloading Hyprland's configuration when rebuilding the Home Manager profile. ''; }; xwayland = { enable = lib.mkOption { type = lib.types.bool; default = true; description = '' Enable XWayland. ''; }; hidpi = lib.mkOption { type = lib.types.bool; default = true; description = '' Enable HiDPI XWayland. ''; }; }; nvidiaPatches = lib.mkOption { type = lib.types.bool; default = false; defaultText = lib.literalExpression "false"; example = lib.liberalExpression "true"; description = '' Patch wlroots for better Nvidia support. ''; }; extraConfig = lib.mkOption { type = lib.types.nullOr lib.types.lines; default = ""; description = '' Extra configuration lines to add to ~/.config/hypr/hyprland.conf. ''; }; recommendedEnvironment = lib.mkOption { type = lib.types.bool; default = true; defaultText = lib.literalExpression "true"; example = lib.literalExpression "false"; description = '' Whether to set the recommended environment variables. ''; }; imports = [ ( lib.mkRenamedOptionModule ["wayland" "windowManager" "hyprland" "xwayland"] ["wayland" "windowManager" "hyprland" "xwayland" "enable"] ) ]; }; config = lib.mkIf cfg.enable { home.packages = lib.optional (cfg.package != null) cfg.package ++ lib.optional cfg.xwayland.enable pkgs.xwayland; home.sessionVariables = lib.mkIf cfg.recommendedEnvironment { NIXOS_OZONE_WL = "1"; }; xdg.configFile."hypr/hyprland.conf" = lib.mkIf (cfg.extraConfig != null) { text = (lib.optionalString cfg.systemdIntegration '' exec-once=${pkgs.dbus}/bin/dbus-update-activation-environment --systemd DISPLAY WAYLAND_DISPLAY HYPRLAND_INSTANCE_SIGNATURE XDG_CURRENT_DESKTOP && systemctl --user start hyprland-session.target '') + cfg.extraConfig; onChange = let hyprlandPackage = if cfg.package == null then defaultHyprlandPackage else cfg.package; in lib.mkIf (!cfg.disableAutoreload) ''( # execute in subshell so that `shopt` won't affect other scripts shopt -s nullglob # so that nothing is done if /tmp/hypr/ does not exist or is empty for instance in /tmp/hypr/*; do HYPRLAND_INSTANCE_SIGNATURE=''${instance##*/} ${hyprlandPackage}/bin/hyprctl reload config-only \ || true # ignore dead instance(s) done )''; }; systemd.user.targets.hyprland-session = lib.mkIf cfg.systemdIntegration { Unit = { Description = "hyprland compositor session"; Documentation = ["man:systemd.special(7)"]; BindsTo = ["graphical-session.target"]; Wants = ["graphical-session-pre.target"]; After = ["graphical-session-pre.target"]; }; }; systemd.user.targets.tray = { Unit = { Description = "Home Manager System Tray"; Requires = ["graphical-session-pre.target"]; }; }; }; }