added ly display manager

hosts/laptop/configuration.nix

@@ -9,7 +9,9 @@
       ./hardware-configuration.nix
       inputs.home-manager.nixosModules.default
 	../../modules/nixos/battery.nix
-];
+    #../../modules/nixos/ly.nix
+    ../../modules/nixos/lyminimal.nix
+  ];
 
 home-manager = {
 	useGlobalPkgs = true;
@@ -57,6 +59,12 @@ environment.pathsToLink = [
 #  services.displayManager.gdm.enable = true;
 #  services.desktopManager.gnome.enable = true;
 # we dont use gnome but some utils yes -> see pckgs
+#enable sddm
+#services.displayManager.sddm = {
+#	enable = true;
+#	wayland.enable = true;
+#};
+# we use ly as the displayManager. see ../../modules/nixos/ly.nix
 
 
 # enable hyprland WM
@@ -67,11 +75,6 @@ programs.hyprland = {
 };
 
 
-#enable sddm
-services.displayManager.sddm = {
-	enable = true;
-	wayland.enable = true;
-};
 
 services.upower.enable = true;
 

modules/nixos/ly.nix

@@ -0,0 +1,304 @@
+{ ...}:
+
+{
+  services.displayManager.ly = {
+    enable = true;
+    settings = {
+      animation = "gameoflife"; # none or doom or matrix or gameoflife or a dur file
+      animation_frame_delay = 5;
+      animation_timeout_sec = 0;
+      asterisk = "0x2022";
+      auth_fails = 2; # numbers of failed authentification before special animation
+      battery_id = "BAT1";
+      bigclock = "en";
+      bigclock_12hr = false;
+      bigclock_seconds = false;
+      # Blank main box background
+      # Setting to false will make it transparent
+      blank_box = false;
+      
+      # Border foreground color id
+      border_fg = "0x00FFFFFF";
+      
+      # Title to show at the top of the main box
+      # If set to null, none will be shown
+      box_title = null;
+      
+      # Brightness decrease command
+      brightness_down_cmd = "$PREFIX_DIRECTORY/bin/brightnessctl -q -n s 10%-";
+      
+      # Brightness decrease key combination, or null to disable
+      brightness_down_key = "F5";
+      
+      # Brightness increase command
+      brightness_up_cmd = "$PREFIX_DIRECTORY/bin/brightnessctl -q -n s +10%";
+      
+      # Brightness increase key combination, or null to disable
+      brightness_up_key = "F6";
+      
+      # Erase password input on failure
+      clear_password = true;
+      
+      # Format string for clock in top right corner (see strftime specification). Example: %c
+      # If null, the clock won't be shown
+      clock = true;
+      
+      # CMatrix animation foreground color id
+      cmatrix_fg = "0x0000FF00";
+      
+      # CMatrix animation character string head color id
+      cmatrix_head_col = "0x01FFFFFF";
+      
+      # CMatrix animation minimum codepoint. It uses a 16-bit integer
+      # For Japanese characters for example, you can use 0x3000 here
+      cmatrix_min_codepoint = "0x21";
+      
+      # CMatrix animation maximum codepoint. It uses a 16-bit integer
+      # For Japanese characters for example, you can use 0x30FF here
+      cmatrix_max_codepoint = "0x7B";
+      
+      # Color mixing animation first color id
+      colormix_col1 = "0x00FF0000";
+      
+      # Color mixing animation second color id
+      colormix_col2 = "0x000000FF";
+      
+      # Color mixing animation third color id
+      colormix_col3 = "0x20000000";
+      
+      # Custom sessions directory
+      # You can specify multiple directories,
+      # e.g. $CONFIG_DIRECTORY/ly/custom-sessions:$PREFIX_DIRECTORY/share/custom-sessions
+      custom_sessions = "$CONFIG_DIRECTORY/ly/custom-sessions";
+      
+      # Input box active by default on startup
+      # Available inputs: info_line, session, login, password
+      default_input = "password";
+      
+      # DOOM animation fire height (1 thru 9)
+      doom_fire_height = 6;
+      
+      # DOOM animation fire spread (0 thru 4)
+      doom_fire_spread = 2;
+      
+      # DOOM animation custom top color (low intensity flames)
+      doom_top_color = "0x009F2707";
+      
+      # DOOM animation custom middle color (medium intensity flames)
+      doom_middle_color = "0x00C78F17";
+      
+      # DOOM animation custom bottom color (high intensity flames)
+      doom_bottom_color = "0x00FFFFFF";
+      
+      # Dur file path
+      dur_file_path = "$CONFIG_DIRECTORY/ly/example.dur";
+      
+      # Dur file alignment
+      # The dur file can be aligned with a direction and centered easily with the flags below
+      # Available inputs: topleft, topcenter, topright, centerleft, center, centerright, bottomleft, bottomcenter, bottomright
+      dur_offset_alignment = "center";
+      
+      # Dur offset x direction (value is added to the current position determined by alignment, negatives are supported)
+      dur_x_offset = 0;
+      
+      # Dur offset y direction (value is added to the current position determined by alignment, negatives are supported)
+      dur_y_offset = 0;
+      
+      # Set margin to the edges of the DM (useful for curved monitors)
+      edge_margin = 0;
+      
+      # Error background color id
+      error_bg = "0x00000000";
+      
+      # Error foreground color id
+      # Default is red and bold
+      error_fg = "0x01FF0000";
+      
+      # Foreground color id
+      fg = "0x00FFFFFF";
+      
+      # Render true colors (if supported)
+      # If false, output will be in eight-color mode
+      # All eight-color mode color codes:
+      # TB_DEFAULT              0x0000
+      # TB_BLACK                0x0001
+      # TB_RED                  0x0002
+      # TB_GREEN                0x0003
+      # TB_YELLOW               0x0004
+      # TB_BLUE                 0x0005
+      # TB_MAGENTA              0x0006
+      # TB_CYAN                 0x0007
+      # TB_WHITE                0x0008
+      # If full color is off, the styling options still work. The colors are
+      # always 32-bit values with the styling in the most significant byte.
+      # Note: If using the dur_file animation option and the dur file's color range
+      # is saved as 256 with this option disabled, the file will not be drawn.
+      full_color = true;
+      
+      # Game of Life entropy interval (0 = disabled, >0 = add entropy every N generations)
+      # 0 -> Pure Conway's Game of Life (will eventually stabilize)
+      # 10 -> Add entropy every 10 generations (recommended for continuous activity)
+      # 50+ -> Less frequent entropy for more natural evolution
+      gameoflife_entropy_interval = 10;
+      
+      # Game of Life animation foreground color id
+      gameoflife_fg = "0x0000FF00";
+      
+      # Game of Life frame delay (lower = faster animation, higher = slower)
+      # 1-3 -> Very fast animation
+      # 6 -> Default smooth animation speed
+      # 10+ -> Slower, more contemplative speed
+      gameoflife_frame_delay = 3;
+      
+      # Game of Life initial cell density (0.0 to 1.0)
+      # 0.1 -> Sparse, minimal activity
+      # 0.4 -> Balanced activity (recommended)
+      # 0.7+ -> Dense, chaotic patterns
+      gameoflife_initial_density = 0.666;
+      
+      # Command executed when pressing hibernate key (can be null)
+      hibernate_cmd = null;
+      
+      # Specifies the key combination used for hibernate
+      hibernate_key = "F4";
+      
+      # Remove main box borders
+      hide_borders = false;
+      
+      # Remove power management command hints
+      hide_key_hints = false;
+      
+      # Remove keyboard lock states from the top right corner
+      hide_keyboard_locks = false;
+      
+      # Remove version number from the top left corner
+      hide_version_string = false;
+      
+      # Command executed when no input is detected for a certain time
+      # If null, no command will be executed
+      inactivity_cmd = null;
+      
+      # Executes a command after a certain amount of seconds
+      inactivity_delay = 0;
+      
+      # Initial text to show on the info line
+      # If set to null, the info line defaults to the hostname
+      initial_info_text = null;
+      
+      # Input boxes length
+      input_len = 34;
+      
+      # Active language
+      # Available languages are found in $CONFIG_DIRECTORY/ly/lang/
+      lang = "en";
+      
+      # Command executed when logging in
+      # If null, no command will be executed
+      # Important: the code itself must end with `exec "$@"` in order to launch the session!
+      # You can also set environment variables in there, they'll persist until logout
+      login_cmd = null;
+      
+      # Path for login.defs file (used for listing all local users on the system on
+      # Linux)
+      #login_defs_path = /etc/login.defs
+      
+      # Command executed when logging out
+      # If null, no command will be executed
+      # Important: the session will already be terminated when this command is executed, so
+      # no need to add `exec "$@"` at the end
+      logout_cmd = null;
+      
+      # General log file path
+      #ly_log = /var/log/ly.log
+      
+      # Main box horizontal margin
+      margin_box_h = 2;
+      
+      # Main box vertical margin
+      margin_box_v = 1;
+      
+      # Set numlock on/off at startup
+      numlock = false;
+      
+      # Default path
+      # If null, ly doesn't set a path
+      #path = "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
+      
+      # Command executed when pressing restart_key
+      #restart_cmd = "/sbin/shutdown -r now"
+      
+      # Specifies the key combination used for restart
+      restart_key = "F2";
+      
+      # Save the current desktop and login as defaults, and load them on startup
+      save = true;
+      
+      # Service name (set to ly to use the provided pam config file)
+      service_name = "ly";
+      
+      # Session log file path
+      # This will contain stdout and stderr of Wayland sessions
+      # By default it's saved in the user's home directory
+      # Important: due to technical limitations, X11, shell sessions as well as
+      # launching session via KMSCON aren't supported, which means you won't get any
+      # logs from those sessions.
+      # If null, no session log will be created
+      session_log = null;
+      
+      # Setup command
+      setup_cmd = "$CONFIG_DIRECTORY/ly/setup.sh";
+      
+      # Command executed when pressing shutdown_key
+      shutdown_cmd = "/sbin/shutdown $PLATFORM_SHUTDOWN_ARG now";
+      
+      # Specifies the key combination used for shutdown
+      shutdown_key = "F1";
+      
+      # Command executed when pressing sleep key (can be null)
+      sleep_cmd = null;
+      
+      # Specifies the key combination used for sleep
+      sleep_key = "F3";
+      
+      # Command executed when starting Ly (before the TTY is taken control of)
+      # See file at path below for an example of changing the default TTY colors
+      start_cmd = "$CONFIG_DIRECTORY/ly/startup.sh";
+      
+      # Center the session name.
+      text_in_center = false;
+      
+      # Default vi mode
+      # normal   -> normal mode
+      # insert   -> insert mode
+      vi_default_mode = "normal";
+      
+      # Enable vi keybindings
+      vi_mode = false;
+      
+      # Wayland desktop environments
+      # You can specify multiple directories,
+      # e.g. $PREFIX_DIRECTORY/share/wayland-sessions:$PREFIX_DIRECTORY/local/share/wayland-sessions
+      waylandsessions = "$PREFIX_DIRECTORY/share/wayland-sessions";
+      
+      # Xorg server command
+      x_cmd = "$PREFIX_DIRECTORY/bin/X";
+      
+      # Xorg virtual terminal number
+      # Mostly useful for FreeBSD where choosing the current TTY causes issues
+      # If null, the current TTY will be chosen
+      x_vt = null;
+      
+      # Xorg xauthority edition tool
+      xauth_cmd = "$PREFIX_DIRECTORY/bin/xauth";
+      
+      # xinitrc
+      # If null, the xinitrc session will be hidden
+      xinitrc = "~/.xinitrc";
+      
+      # Xorg desktop environments
+      # You can specify multiple directories,
+      # e.g. $PREFIX_DIRECTORY/share/xsessions:$PREFIX_DIRECTORY/local/share/xsessions
+      xsessions = "$PREFIX_DIRECTORY/share/xsessions";
+        };
+      };
+}

modules/nixos/lyminimal.nix

@@ -0,0 +1,73 @@
+{... }:
+{
+  # a minimal ly config as the big config (ly.nix) didnt worked
+  services.displayManager.ly = {
+    enable = true;
+    settings = {
+      # Core animation
+      animation = "gameoflife"; # none or doom or matrix or gameoflife or a dur file
+
+      # Basic TUI settings
+      clear_password = true;
+      default_input = "password";
+      fg = "0x00FFFFFF";
+      full_color = true;
+      hide_borders = false;
+      hide_key_hints = true;
+      hide_keyboard_locks = true;
+      hide_version_string = true;
+      input_len = 34;
+      lang = "en";
+      numlock = false;
+      save = true;
+      service_name = "ly";
+
+      # Box appearance
+      #border_fg = "0x00FFFFFF";
+      blank_box = true;
+      box_title = "tomasr@nixos";
+      #margin_box_h = 2;
+      #margin_box_v = 1;
+      #text_in_center = false;
+
+      # Animation: Conway’s Game of Life (optional, comment out for minimal setup)
+      gameoflife_fg = "0xdecda600";
+
+      gameoflife_frame_delay = 3;
+      gameoflife_entropy_interval = 10;
+      gameoflife_initial_density = 0.666;
+
+      # Optional commands (leave null or comment if unused)
+      hibernate_cmd = null;
+      inactivity_cmd = null;
+      login_cmd = null;
+      logout_cmd = null;
+      sleep_cmd = null;
+
+      # System commands keys
+      shutdown_cmd = "/sbin/shutdown $PLATFORM_SHUTDOWN_ARG now";
+      shutdown_key = "F1";
+      restart_key = "F2";
+      sleep_key = "F3";
+      hibernate_key = "F4";
+      
+      # top bar
+      session_log = null;
+      initial_info_text = null;  #
+      # Custom sessions
+      #custom_sessions = "$CONFIG_DIRECTORY/ly/custom-sessions";
+      #waylandsessions = "$PREFIX_DIRECTORY/share/wayland-sessions";
+      #xsessions = "$PREFIX_DIRECTORY/share/xsessions";
+
+      # Xorg settings (only needed if using X)
+      #x_cmd = "$PREFIX_DIRECTORY/bin/X";
+      #x_vt = null;
+      #xauth_cmd = "$PREFIX_DIRECTORY/bin/xauth";
+      #xinitrc = "~/.xinitrc";
+
+      # Setup / startup scripts
+      #setup_cmd = "$CONFIG_DIRECTORY/ly/setup.sh";
+      #start_cmd = "$CONFIG_DIRECTORY/ly/startup.sh";
+    };
+  };
+}