Hyprland/nix/hm-module.nix

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self: {
config,
lib,
pkgs,
...
}: let
cfg = config.wayland.windowManager.hyprland;
defaultHyprlandPackage = self.packages.${pkgs.stdenv.hostPlatform.system}.default.override {
enableXWayland = cfg.xwayland.enable;
hidpiXWayland = cfg.xwayland.hidpi;
inherit (cfg) nvidiaPatches;
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};
in {
disabledModules = ["services/window-managers/hyprland.nix"];
meta.maintainers = [lib.maintainers.fufexan];
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options.wayland.windowManager.hyprland = {
enable =
lib.mkEnableOption null
// {
description = lib.mdDoc ''
Whether to enable Hyprland, the dynamic tiling Wayland compositor
that doesn't sacrifice on its looks.
You can manually launch Hyprland by executing {command}`Hyprland` on
a TTY.
See <https://wiki.hyprland.org> for more information.
'';
};
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package = lib.mkOption {
type = with lib.types; nullOr package;
default = defaultHyprlandPackage;
defaultText = lib.literalExpression ''
hyprland.packages.''${pkgs.stdenv.hostPlatform.system}.default.override {
enableXWayland = config.wayland.windowManager.hyprland.xwayland.enable;
hidpiXWayland = config.wayland.windowManager.hyprland.xwayland.hidpi;
inherit (config.wayland.windowManager.hyprland) nvidiaPatches;
}
'';
description = lib.mdDoc ''
Hyprland package to use. Will override the 'xwayland' and
'nvidiaPatches' options.
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Defaults to the one provided by the flake. Set it to
{package}`pkgs.hyprland` to use the one provided by nixpkgs or
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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.
'';
};
plugins = lib.mkOption {
type = with lib.types; listOf (either package path);
default = [];
description = lib.mdDoc ''
List of Hyprland plugins to use. Can either be packages or
absolute plugin paths.
'';
};
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systemdIntegration = lib.mkOption {
type = lib.types.bool;
default = pkgs.stdenv.isLinux;
description = lib.mdDoc ''
Whether to enable {file}`hyprland-session.target` on
Hyprland startup. This links to {file}`graphical-session.target`.
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Some important environment variables will be imported to systemd
and dbus user environment before reaching the target, including
- {env}`DISPLAY`
- {env}`HYPRLAND_INSTANCE_SIGNATURE`
- {env}`WAYLAND_DISPLAY`
- {env}`XDG_CURRENT_DESKTOP`
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'';
};
disableAutoreload =
lib.mkEnableOption null
// {
description = lib.mdDoc ''
Whether to disable automatically reloading Hyprland's configuration when
rebuilding the Home Manager profile.
'';
};
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xwayland = {
enable = lib.mkEnableOption (lib.mdDoc "XWayland") // {default = true;};
hidpi =
lib.mkEnableOption null
// {
description = lib.mdDoc ''
Enable HiDPI XWayland, based on [XWayland MR 733](https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/733).
See <https://wiki.hyprland.org/Nix/Options-Overrides/#xwayland-hidpi> for more info.
'';
};
};
nvidiaPatches = lib.mkEnableOption (lib.mdDoc "patching wlroots for better Nvidia support.");
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extraConfig = lib.mkOption {
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type = lib.types.nullOr lib.types.lines;
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default = "";
description = lib.mdDoc ''
Extra configuration lines to add to {file}`~/.config/hypr/hyprland.conf`.
'';
};
recommendedEnvironment =
lib.mkEnableOption null
// {
description = lib.mdDoc ''
Whether to set the recommended environment variables.
'';
};
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};
config = lib.mkIf cfg.enable {
warnings =
if (cfg.systemdIntegration || cfg.plugins != []) && cfg.extraConfig == null
then [
''
You have enabled hyprland.systemdIntegration or listed plugins in hyprland.plugins.
Your Hyprland config will be linked by home manager.
Set hyprland.extraConfig or unset hyprland.systemdIntegration and hyprland.plugins to remove this warning.
''
]
else [];
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home.packages =
lib.optional (cfg.package != null) cfg.package
++ lib.optional cfg.xwayland.enable pkgs.xwayland;
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home.sessionVariables =
lib.mkIf cfg.recommendedEnvironment {NIXOS_OZONE_WL = "1";};
xdg.configFile."hypr/hyprland.conf" = lib.mkIf (cfg.systemdIntegration || cfg.extraConfig != null || cfg.plugins != []) {
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text =
(lib.optionalString cfg.systemdIntegration ''
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exec-once=${pkgs.dbus}/bin/dbus-update-activation-environment --systemd DISPLAY WAYLAND_DISPLAY HYPRLAND_INSTANCE_SIGNATURE XDG_CURRENT_DESKTOP && systemctl --user start hyprland-session.target
'')
+ lib.concatStrings (builtins.map (entry: let
plugin =
if lib.types.package.check entry
then "${entry}/lib/lib${entry.pname}.so"
else entry;
in "plugin = ${plugin}\n")
cfg.plugins)
+ (
if cfg.extraConfig != null
then cfg.extraConfig
else ""
);
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onChange = let
hyprlandPackage =
if cfg.package == null
then defaultHyprlandPackage
else cfg.package;
in
lib.mkIf (!cfg.disableAutoreload) ''
( # execute in subshell so that `shopt` won't affect other scripts
shopt -s nullglob # so that nothing is done if /tmp/hypr/ does not exist or is empty
for instance in /tmp/hypr/*; do
HYPRLAND_INSTANCE_SIGNATURE=''${instance##*/} ${hyprlandPackage}/bin/hyprctl reload config-only \
|| true # ignore dead instance(s)
done
)
'';
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};
systemd.user.targets.hyprland-session = lib.mkIf cfg.systemdIntegration {
Unit = {
Description = "Hyprland compositor session";
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Documentation = ["man:systemd.special(7)"];
BindsTo = ["graphical-session.target"];
Wants = ["graphical-session-pre.target"];
After = ["graphical-session-pre.target"];
};
};
};
}