wip: switch to niri

Looks cooler c:

flake-modules/nixos-modules.nix

@@ -16,6 +16,7 @@
       nixosModule = {
         imports = [
           (import ../system { inherit (inputs) stylix; })
+          inputs.niri.nixosModules.niri
           inputs.home-manager.nixosModules.home-manager
         ] ++ lib.optional (inputs.lix-module != null) inputs.lix-module.nixosModules.default;
         home-manager = {

flake.lock

@@ -279,6 +279,50 @@
         "url": "https://git.lix.systems/lix-project/nixos-module/archive/2.92.0.tar.gz"
       }
     },
+    "niri": {
+      "inputs": {
+        "niri-stable": "niri-stable",
+        "niri-unstable": [],
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "nixpkgs-stable": [
+          "nixpkgs"
+        ],
+        "xwayland-satellite-stable": "xwayland-satellite-stable",
+        "xwayland-satellite-unstable": []
+      },
+      "locked": {
+        "lastModified": 1739042449,
+        "narHash": "sha256-9zLFUpEebwhjCgtznsI61gTzefI3+fuXATHUOFzJi5w=",
+        "owner": "sodiboo",
+        "repo": "niri-flake",
+        "rev": "98e3666a9dc4143cbf93d957a15d749b5acef046",
+        "type": "github"
+      },
+      "original": {
+        "owner": "sodiboo",
+        "repo": "niri-flake",
+        "type": "github"
+      }
+    },
+    "niri-stable": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1736614405,
+        "narHash": "sha256-AJ1rlgNOPb3/+DbS5hkhm21t6Oz8IgqLllwmZt0lyzk=",
+        "owner": "YaLTeR",
+        "repo": "niri",
+        "rev": "e05bc269e678ecf828b96ae79c991c13b00b38a5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "YaLTeR",
+        "ref": "v25.01",
+        "repo": "niri",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1738843498,
@@ -348,6 +392,7 @@
         "flake-parts": "flake-parts",
         "home-manager": "home-manager",
         "lix-module": "lix-module",
+        "niri": "niri",
         "nixpkgs": "nixpkgs",
         "nixvim": "nixvim",
         "stylix": "stylix",
@@ -485,6 +530,23 @@
         "repo": "treefmt-nix",
         "type": "github"
       }
+    },
+    "xwayland-satellite-stable": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1730166465,
+        "narHash": "sha256-nq7bouXQXaaPPo/E+Jbq+wNHnatD4dY8OxSrRqzvy6s=",
+        "owner": "Supreeeme",
+        "repo": "xwayland-satellite",
+        "rev": "a713cf46cb7db84a0d1b57c3a397c610cad3cf98",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Supreeeme",
+        "ref": "v0.5",
+        "repo": "xwayland-satellite",
+        "type": "github"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -23,6 +23,15 @@
       url = "github:nix-community/home-manager/release-24.11";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    niri = {
+      url = "github:sodiboo/niri-flake";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+        nixpkgs-stable.follows = "nixpkgs";
+        niri-unstable.follows = "";
+        xwayland-satellite-unstable.follows = "";
+      };
+    };
     stylix = {
       url = "github:danth/stylix/release-24.11";
       inputs = {

home/gui/default.nix

@@ -146,13 +146,55 @@ in
     };
 
     # Window Manager
-    wayland.windowManager.sway = {
-      inherit (cfg.sway) enable;
-      package = swayPkg; # no sway package if it comes from the OS
-      config = import ./sway-config.nix { inherit config pkgs; };
-      systemd = {
-        enable = true;
-        xdgAutostart = true;
+    niri = {
+      package = pkgs.niri; # use nixpkgs' package instead of the flake's
+      settings = {
+        binds =
+          let
+            # Modifier key
+            mod = "Mod";
+            # Available workspaces (1..=9)
+            workspaces = lib.range 1 9;
+            # Run function for each workspace
+            perWorkspace = f: lib.mergeAttrsList (builtins.map f workspaces);
+          in
+          with config.lib.niri.actions;
+          {
+            # Open Terminal
+            "${mod}+Return".action.spawn = config.jhome.gui.terminalCommand;
+            # Open menu
+            "${mod}+D".action =
+              spawn "${lib.getExe pkgs.fuzzel}" "--terminal"
+                "${builtins.concatStringSep " " terminalCommand}";
+            # Close Window
+            "${mod}+Q".action = close-window;
+            # Fullscreen
+            "${mod}+F".action = fullscreen-window;
+            # Hotkey help menu
+            "${mod}+Shift+/".action = show-hotkey-overlay;
+            # Media Keys
+            "XF86AudioRaiseVolume" = {
+              action = spawn "${pkgs.avizo}/bin/volumectl" "up";
+              allow-when-locked = true;
+            };
+            "XF86AudioLowerVolume" = {
+              action = spawn "${pkgs.avizo}/bin/volumectl" "down";
+              allow-when-locked = true;
+            };
+            "XF86AudioMute" = {
+              action = spawn "${pkgs.avizo}/bin/volumectl" "toggle-mute";
+              allow-when-locked = true;
+            };
+            # Lock screen
+            "XF86ScreenSaver".action = spawn "swaylock" "--image" "${cfg.background}";
+            # Screen brightness
+            "XF86MonBrightnessUp".action = spawn "${pkgs.avizo}/bin/lightctl" "up";
+            "XF86MonBrightnessDown".action = spawn "${pkgs.avizo}/bin/lightctl" "down";
+          }
+          // perWorkspace (workspace: {
+            # Focus workspace N
+            "${mod}+${builtins.toString workspace}".action = focus-workspace workspace;
+          });
       };
     };
 

home/gui/sway-config.nix

@@ -2,14 +2,7 @@
 let
   cfg = config.jhome.gui.sway;
   modifier = "Mod4";
-  inherit (config.jhome.gui) terminal;
-  termCmd =
-    if terminal == "wezterm" then
-      "wezterm start"
-    else if terminal == "alacritty" then
-      "alacritty -e"
-    else
-      builtins.abort "no command configured for ${terminal}";
+  termCmd = builtins.concatStringsSep " " config.jhome.gui.terminalCommand;
   menu = "${pkgs.fuzzel}/bin/fuzzel --terminal '${termCmd}'";
   # currently, there is some friction between sway and gtk:
   # https://github.com/swaywm/sway/wiki/GTK-3-settings-on-Wayland
@@ -45,7 +38,8 @@ let
   };
 in
 {
-  inherit modifier terminal menu;
+  inherit (config.jhome.gui) terminal;
+  inherit modifier menu;
   keybindings = import ./keybindings.nix { inherit config pkgs; };
   # Appearance
   bars = [ ]; # Waybar is started as a systemd service

home/options.nix

@@ -136,33 +136,58 @@ let
     };
   };
 
-  gui.options = {
-    enable = lib.mkEnableOption "GUI applications" // {
-      default = fromConfig [
-        "gui"
-        "enable"
-      ] false;
+  gui.options =
+    let
+      cfg = attrs.config.jhome.gui;
+    in
+    {
+      enable = lib.mkEnableOption "GUI applications" // {
+        default = fromConfig [
+          "gui"
+          "enable"
+        ] false;
+      };
+      tempInfo = lib.mkOption {
+        description = "Temperature info to display in the statusbar.";
+        default = null;
+        type = types.nullOr (types.submodule tempInfo);
+      };
+      sway = lib.mkOption {
+        description = "Sway window manager configuration.";
+        default = { };
+        type = types.submodule sway;
+      };
+      terminal = lib.mkOption {
+        description = "The terminal emulator to use.";
+        default = "alacritty";
+        example = "wezterm";
+        type = types.enum [
+          "wezterm"
+          "alacritty"
+        ];
+      };
+      terminalCommand = lib.mkOption {
+        description = "The command to run in order to start the terminal.";
+        default =
+          if cfg.terminal == "wezterm" then
+            [
+              "wezterm"
+              "start"
+            ]
+          else if cfg.terminal == "alacritty" then
+            [
+              "alacritty"
+              "-e"
+            ]
+          else
+            builtins.abort "no command configured for ${cfg.terminal}";
+        example = [
+          "wezterm"
+          "start"
+        ];
+        type = types.listOf types.str;
+      };
     };
-    tempInfo = lib.mkOption {
-      description = "Temperature info to display in the statusbar.";
-      default = null;
-      type = types.nullOr (types.submodule tempInfo);
-    };
-    sway = lib.mkOption {
-      description = "Sway window manager configuration.";
-      default = { };
-      type = types.submodule sway;
-    };
-    terminal = lib.mkOption {
-      description = "The terminal emulator to use.";
-      default = "alacritty";
-      example = "wezterm";
-      type = types.enum [
-        "wezterm"
-        "alacritty"
-      ];
-    };
-  };
 in
 {
   options.jhome = lib.mkOption {

system/gui/default.nix

@@ -45,14 +45,9 @@ in
       fonts.fontDir.enable = true;
       programs = {
         dconf.enable = true;
-        sway = {
-          enable = cfg.sway;
-          # No extra packages (by default it adds foot, dmenu, and other stuff)
-          extraPackages = [ ];
-          wrapperFeatures = {
-            base = true;
-            gtk = true;
-          };
+        niri = {
+          enable = cfg.windowManager;
+          package = pkgs.niri; # use nixpkgs' package instead of the flake's
         };
       };
       security = {

system/options.nix

@@ -37,7 +37,7 @@ let
         options.autoStart = mkDisableOption "autostarting ydotool at login";
       };
     };
-    sway = mkDisableOption "sway";
+    windowManager = mkDisableOption "window manager";
   };
 
   styling.options = {