First phase to swayfy the setup

machines/stel-xps/default.nix

@@ -20,6 +20,8 @@
     # enable X11 with lightdm and i3
     graphical = {
       enable = true;
+      sway.enable = true;
+      i3.enable = false;
       # set dpi if used in mobile applications
       #      dpi = 180;
     };

modules/communication.nix

@@ -7,7 +7,7 @@ with lib; {
       cfg = config.elss.programs.communication;
     in
     mkIf cfg.enable {
-      elss.graphical.enable = true;
+      # elss.graphical.enable = true;
       environment.systemPackages = with pkgs; [
         element-desktop
         jitsi-meet-electron

modules/graphical.nix

@@ -1,7 +1,7 @@
 { config, pkgs, lib, ... }:
 with lib; {
   options.elss.graphical = {
-    enable = mkEnableOption "configure i3-based graphical layer";
+    enable = mkEnableOption "configure graphical layer";
     greeterCursorsize = mkOption {
       type = types.int;
       default = 16;
@@ -16,6 +16,7 @@ with lib; {
         DPI setting for the xserver
       '';
     };
+    i3.enable = mkEnableOption "enable i3";
   };
   config =
     let
@@ -24,11 +25,11 @@ with lib; {
       #xserverDPI = if config.variables.hostName == "stel-xps" then 180 else null;
     in
     mkIf cfg.enable {
-      elss.users.x11.enable = true;
+      elss.users.x11.enable = if cfg.i3.enable then true else false;
       elss.networking.useNetworkManager = true;
 
       services = {
-        xserver = {
+        xserver = mkIf cfg.i3.enable {
           enable = true;
           dpi = cfg.dpi;
           displayManager.lightdm = {
@@ -59,7 +60,7 @@ with lib; {
       sound.enable = true;
 
       hardware = {
-        pulseaudio.enable = true;
+        #pulseaudio.enable = true;
         bluetooth.enable = true;
       };
 

modules/sway.nix

@@ -0,0 +1,51 @@
+{ config, pkgs, lib, ... }:
+with lib; {
+  options.elss.graphical.sway.enable = mkEnableOption "Use sway";
+  config =
+    let
+      cfg = config.elss.graphical.sway;
+    in
+      mkIf cfg.enable {
+        services.pipewire = {
+          enable = true;
+          alsa.enable = true;
+          pulse.enable = true;
+        };
+
+        # xdg-desktop-portal works by exposing a series of D-Bus interfaces
+        # known as portals under a well-known name
+        # (org.freedesktop.portal.Desktop) and object path
+        # (/org/freedesktop/portal/desktop).
+        # The portal interfaces include APIs for file access, opening URIs,
+        # printing and others.
+        services.dbus.enable = true;
+        xdg.portal = {
+          enable = true;
+          wlr.enable = true;
+          # gtk portal needed to make gtk apps happy
+          extraPortals = [ pkgs.xdg-desktop-portal-gtk ];
+          gtkUsePortal = true;
+        };
+
+        # enable sway window manager
+        programs.sway = {
+          enable = true;
+          wrapperFeatures.gtk = true;
+        };
+
+        # greetd login manager
+        services.greetd = {
+          enable = true;
+          package = pkgs.greetd.tuigreet;
+          settings = {
+            default_session = {
+              command = "${pkgs.greetd.tuigreet}/bin/tuigreet --time --cmd sway";
+            };
+          };
+        };
+
+        environment.systemPackages = with pkgs; [
+          rofi
+        ];
+      };
+}

users/ellmau/default.nix

@@ -1,14 +1,16 @@
 { config, lib, pkgs, ... }:
 {
   imports = [
-    ./autorandr.nix
+#    ./autorandr.nix
     ./dunst.nix
     ./git.nix
     ./gpg.nix
-    ./i3.nix
+#    ./i3.nix
     ./nextcloud.nix
-    ./polybar.nix
+#    ./polybar.nix
     ./zsh.nix
+
+    ./sway.nix
   ];
   services = {
     gnome-keyring = {

users/ellmau/sway.nix

@@ -0,0 +1,56 @@
+{ config, pkgs, lib, ... }:
+{
+  wayland.windowManager.sway = {
+    enable = true;
+    config = {
+      down = "k";
+      up = "l";
+      left = "j";
+      right = "semicolon";
+
+      modifier = "Mod4";
+
+      keybindings =
+        let
+          modifier = config.wayland.windowManager.sway.config.modifier;
+        in
+        lib.mkOptionDefault {
+          "${modifier}+Shift+q" = "kill";
+          "${modifier}+d" = "exec ${pkgs.rofi}/bin/rofi -show drun";
+          "${modifier}+Tab" = "exec ${pkgs.rofi}/bin/rofi -show window";
+          "${modifier}+BackSpace" = "mode $mode_system";
+        };
+      keycodebindings =
+        let
+          modifier = config.wayland.windowManager.sway.config.modifier;
+        in
+        { };
+
+      startup = [
+        {
+          command = "--no-startup-id nm-applet";
+          always = true;
+        }
+
+      ];
+      terminal = "alacritty";
+      window = {
+        titlebar = true;
+      };
+    };
+    extraConfig = ''
+      mode "$mode_system" {
+        bindsym l exec --no-startup-id $i3lockwall, mode "default"
+        bindsym Ctrl+e exec --no-startup-id swaymsg exit, mode "default"
+        #bindsym s exec --no-startup-id $i3lockwall && systemctl suspend, mode "default"
+        #bindsym h exec --no-startup-id $i3lockwall && systemctl hibernate, mode "default"
+        bindsym Ctrl+r exec --no-startup-id systemctl reboot, mode "default"
+        bindsym Ctrl+s exec --no-startup-id systemctl poweroff -i, mode "default"
+
+        # back to normal: Enter or Escape
+        bindsym Return mode "default"
+        bindsym Escape mode "default"
+      }
+    '';
+  };
+}