122 lines
3.7 KiB
Nix
122 lines
3.7 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.programs.hyprscrolling;
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# Render plugin settings into:
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# plugin:hyprscrolling {
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# key = value
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# }
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renderValue = v:
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if lib.isString v then "\"${v}\""
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else if lib.isBool v then (if v then "true" else "false")
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else if lib.isInt v || lib.isFloat v then toString v
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else if lib.isList v then
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"[ " + (lib.concatStringsSep " " (map renderValue v)) + " ]"
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else
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throw "programs.hyprscrolling.settings: unsupported value type: ${builtins.typeOf v}";
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renderSettings = settings:
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let
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lines = lib.mapAttrsToList (k: v: " ${k} = ${renderValue v}") settings;
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in
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if settings == { } then ""
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else ''
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plugin:hyprscrolling {
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${lib.concatStringsSep "\n" lines}
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}
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'';
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defaultPluginPkg = (pkgs.hyprlandPlugins.hyprscrolling or null);
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# Stable paths (avoid pinning /nix/store/... in your hyprland.conf)
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stableSoPath = "/etc/hypr/plugins/libhyprscrolling.so";
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dropInConfPath = "/etc/hypr/conf.d/90-hyprscrolling.conf";
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dropInConf = ''
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# Managed by Nix: programs.hyprscrolling
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# Load plugin shared object (.so)
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plugin = ${stableSoPath}
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${lib.optionalString cfg.setAsDefaultLayout ''
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general {
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layout = scrolling
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}
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''}
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${renderSettings cfg.settings}
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${cfg.extraConfig}
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'';
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in
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{
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options.programs.hyprscrolling = {
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enable = lib.mkEnableOption "Hyprland hyprscrolling (scrolling layout) plugin (NixOS-friendly)";
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pluginPackage = lib.mkOption {
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type = lib.types.nullOr lib.types.package;
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default = defaultPluginPkg;
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description = ''
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Package that provides the hyprscrolling plugin.
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Defaults to pkgs.hyprlandPlugins.hyprscrolling when available.
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'';
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};
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setAsDefaultLayout = lib.mkOption {
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type = lib.types.bool;
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default = true;
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description = "Whether to set `general { layout = scrolling }` in the generated drop-in config.";
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};
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settings = lib.mkOption {
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type = lib.types.attrs;
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default = { };
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description = ''
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Attribute set rendered into a `plugin:hyprscrolling { ... }` block
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in the generated drop-in config.
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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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description = "Extra Hyprland config appended to the generated drop-in config.";
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};
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# Where we install the generated config snippet (so you can `source = ...` it)
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dropInPath = lib.mkOption {
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type = lib.types.str;
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default = dropInConfPath;
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description = "Path to the generated Hyprland drop-in config file (needs to be sourced by your hyprland.conf).";
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};
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# Where we install a stable symlink to the plugin .so
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stablePluginSoPath = lib.mkOption {
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type = lib.types.str;
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default = stableSoPath;
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description = "Stable path for the plugin shared object (symlinked to the Nix store).";
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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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{
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assertion = cfg.pluginPackage != null;
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message = ''
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Could not find hyprscrolling plugin package in this nixpkgs.
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Set programs.hyprscrolling.pluginPackage explicitly (e.g. pkgs.hyprlandPlugins.hyprscrolling).
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'';
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}
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];
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# Ensure the plugin is built and available.
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environment.systemPackages = [ cfg.pluginPackage ];
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# Provide a stable .so path under /etc (no /nix/store hardcoding in hyprland.conf)
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environment.etc."hypr/plugins/libhyprscrolling.so".source =
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"${cfg.pluginPackage}/lib/libhyprscrolling.so";
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# Provide a drop-in config file under /etc.
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environment.etc."hypr/conf.d/90-hyprscrolling.conf".text = dropInConf;
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};
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}
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