feat: switch to tui-greet instead of sddm

also switch to swaybg from swww because of instability

flake.nix

@@ -52,6 +52,7 @@
             ./modules/nixos/audio
             ./modules/nixos/networking
             ./modules/nixos/fonts
+            ./modules/nixos/greeter
 
             catppuccin.nixosModules.catppuccin
             lix-module.nixosModules.default
@@ -81,6 +82,7 @@
             ./modules/nixos/audio
             ./modules/nixos/networking
             ./modules/nixos/fonts
+            ./modules/nixos/greeter
 
             apple-silicon.nixosModules.apple-silicon-support
             catppuccin.nixosModules.catppuccin

hosts/callisto/default.nix

@@ -71,16 +71,6 @@
     libraries = with pkgs; [ icu xorg.libXtst xorg.libXi ];
   };
 
-  # Enable the KDE Plasma Desktop Environment.
-  services.displayManager.sddm = {
-    enable = true;
-    wayland.enable = true;
-    theme = "catppuccin-mocha";
-    package = pkgs.kdePackages.sddm;
-  };
-
-  # services.desktopManager.plasma6.enable = true;
-
   # Configure keymap in X11
   services.xserver = {
     xkb.layout = "us";
@@ -153,7 +143,6 @@
     # gnupg
     # openssh
     # python3
-    (pkgs.catppuccin-sddm.override { flavor = "mocha"; })
     # steam-run
 
     # # deps for neovim compilation

hosts/demeter/default.nix

@@ -70,14 +70,6 @@
     libraries = with pkgs; [ icu xorg.libXtst xorg.libXi ];
   };
 
-  # Enable the KDE Plasma Desktop Environment.
-  services.displayManager.sddm = {
-    enable = true;
-    wayland.enable = true;
-    theme = "catppuccin-mocha";
-    package = pkgs.kdePackages.sddm;
-  };
-
   hardware.nvidia = {
     modesetting.enable = true;
     powerManagement.enable = true;
@@ -166,7 +158,6 @@
     gnupg
     openssh
     python3
-    (pkgs.catppuccin-sddm.override { flavor = "mocha"; })
     steam-run
 
     # deps for neovim compilation

modules/nixos/greeter/default.nix

@@ -0,0 +1,23 @@
+{pkgs, ...}:
+{
+  services.greetd = {
+    enable = true;
+    settings = {
+      default_session = {
+        command = "${pkgs.greetd.tuigreet}/bin/tuigreet --time --cmd Hyprland --remember --greeting 'Welcome to liminalOS. Access is restricted to authorized personnel only.'";
+        user = "greeter";
+      };
+    };
+  };
+
+  systemd.services.greetd.serviceConfig = {
+    Type = "idle";
+    StandardInput = "tty";
+    StandardOutput = "tty";
+    StandardError = "journal"; # Without this errors will spam on screen
+    # Without these bootlogs will spam on screen
+    TTYReset = true;
+    TTYVHangup = true;
+    TTYVTDisallocate = true;
+  };
+}

users/youwen/linux/hyprland/common.nix

@@ -65,7 +65,9 @@
 
         ''$mod, P, exec, grim -g "$(slurp)" - | swappy -f -'' # Screenshot
 
-        "$mod, Backspace, exec, wlogout" # Screenshot
+        "$mod, Backspace, exec, wlogout" # show logout menu
+
+        "$mod, L, exec, hyprlock"
       ];
       bindm = [
         "$mod, mouse:272, movewindow"
@@ -179,6 +181,7 @@
           "workspaces, 1, 5, wind"
         ];
       };
+      
       general = {
         gaps_in = "3";
         gaps_out = "8";
@@ -191,6 +194,12 @@
         resize_on_border = "true";
         sensitivity = "0.5";
       };
+
+      misc = {
+        disable_hyprland_logo = true;
+        disable_splash_rendering = true;
+      };
+
       decoration = {
         rounding = "10";
         drop_shadow = "false";
@@ -207,4 +216,67 @@
       };
     };
   };
+
+  programs.hyprlock = {
+    enable = true;
+    settings = {
+      general = {
+        hide_cursor = true;
+        grace = 1;
+      };
+      background = {
+        monitor = "";
+        path = "screenshot";
+        blur_passes = 3;
+        blur_size = 7;
+        noise = 1.17e-2;
+        contrast = 0.8916;
+        brightness = 0.8172;
+        vibrancy = 0.1696;
+        vibrancy_darkness = 0.0;
+      };
+      input-field = {
+        monitor = "";
+        size = "200, 50";
+        outline_thickness = 3;
+        dots_size = 0.33;
+        dots_spacing = 0.15;
+        dots_center = false;
+        dots_rounding = -1;
+        outer_color = "rgb(151515)";
+        inner_color = "rgb(200, 200, 200)";
+        font_color = "rgb(10, 10, 10)";
+        fade_on_empty = true;
+        fade_timeout = 1000;
+        placeholder_text = "<i>Input Password...</i>";
+        hide_input = false;
+        rounding = -1;
+        check_color = "rgb(204, 136, 34)";
+        fail_color = "rgb(204, 34, 34)";
+        fail_text = "<i>$FAIL <b>($ATTEMPTS)</b></i>";
+        fail_timeout = 2000;
+        fail_transition = 300;
+        capslock_color = -1;
+        numlock_color = -1;
+        bothlock_color = -1;
+        invert_numlock = false;
+        swap_font_color = false;
+
+        position = "0, -20";
+        halign = "center";
+        valign = "center";
+      };
+    };
+  };
+
+  services.hypridle = {
+    enable = true;
+    settings = {
+      lock_cmd =
+        "pidof hyprlock || hyprlock"; # avoid starting multiple hyprlock instances.
+      before_sleep_cmd = "loginctl lock-session"; # lock before suspend.
+      after_sleep_cmd =
+        "hyprctl dispatch dpms on"; # to avoid having to press a key twice to turn on the display.
+    };
+  };
 }

users/youwen/linux/packages/common-packages.nix

@@ -27,8 +27,8 @@ with pkgs; [
   slurp
   swappy
   pavucontrol
-  swww
   waypaper
+  swaybg
 
   # desktop apps
   dolphin