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home-manager/modules/services/window-managers/hyprland.nix

293 lines
9.3 KiB
Nix

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