Add kitty theming

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

users/common/default.nix

@@ -1,4 +1,4 @@
-{ config, inputs, ... }:
+{ config, inputs, pkgs, ... }:
 
 {
   imports = [
@@ -16,11 +16,19 @@
     sharedModules = [{
       imports = [
         ./options/home-manager/xdg
+        ./options/home-manager/hyprland
         ./options/home-manager/matugen
         ./options/home-manager/theme
       ];
 
-      home.stateVersion = "24.05";
+      home = {
+        packages = with pkgs; [
+          pavucontrol
+        ];
+
+        stateVersion = "24.05";
+      };
+
       systemd.user.startServices = "sd-switch";
       nix.settings = config.nix.settings;
     }];

users/common/options/home-manager/hyprland/default.nix

@@ -0,0 +1,38 @@
+{ config, pkgs, lib, ... }:
+
+let
+  cfg = config.wayland.windowManager.hyprland;
+in
+{
+  options.wayland.windowManager.hyprland = with lib; with types; {
+    initExtraConfig = mkOption {
+      type = lines;
+      default = "";
+      description = "Extra configuration lines to add to exec-once";
+    };
+
+    reloadExtraConfig = mkOption {
+      type = lines;
+      default = "";
+      description = "Extra configuration lines to add to exec";
+    };
+  };
+
+  config = {
+    wayland.windowManager.hyprland.settings.exec-once = let name = "init-hyprland"; in
+      "${pkgs.writeShellApplication {
+        inherit name;
+        text = ''
+          ${cfg.initExtraConfig}
+        '';
+      }}/bin/${name}";
+
+    wayland.windowManager.hyprland.settings.exec = let name = "reload-hyprland"; in
+      "${pkgs.writeShellApplication {
+        inherit name;
+        text = ''
+          ${cfg.reloadExtraConfig}
+        '';
+      }}/bin/${name}";
+  };
+}

users/common/options/home-manager/theme/default.nix

@@ -2,6 +2,111 @@
 
 let
   cfg = config.theme;
+  init = pkgs.writeShellApplication {
+    name = "theme";
+    runtimeInputs = with pkgs; [ coreutils-full ];
+    bashOptions = [ "nounset" "pipefail" ];
+    text = ''
+      [ ! -L "${cfg.configDir}/wallpaper" ] && ln -sf "${cfg.wallpaper}" "${cfg.configDir}/wallpaper"
+      [ ! -f "${cfg.configDir}/mode" ] && echo "${cfg.mode}" > "${cfg.configDir}/mode"
+
+      set_wallpaper() {
+        if [ -f "$1" ]; then
+          WALLPAPER="$1"
+        else
+          echo "Invalid wallpaper path: $1"
+          exit 1
+        fi
+      }
+
+      set_mode() {
+        if [ "$1" = "light" ] || [ "$1" = "dark" ]; then
+          MODE="$1"
+        else
+          echo "Invalid mode: $1. Use 'light' or 'dark'."
+          exit 1
+        fi
+      }
+
+      toggle_mode() {
+        if [ "$(cat "${cfg.configDir}/mode")" = "light" ]; then
+          MODE="dark"
+        else
+          MODE="light"
+        fi
+      }
+
+      show_usage() {
+        echo "Usage: theme {toggle|light|dark|mode <mode>|wallpaper <file> [mode]}"
+      }
+
+      finish() {
+        [ -n "$WALLPAPER" ] && ln -sf "$WALLPAPER" "${cfg.configDir}/wallpaper"
+        [ -n "$MODE" ] && echo "$MODE" > "${cfg.configDir}/mode"
+
+        {
+          ${cfg.extraConfig}
+        } > /dev/null
+      }
+
+      WALLPAPER=""
+      MODE=""
+
+      if [ $# -eq 0 ]; then
+        finish
+      else
+        case "$1" in
+          toggle)
+            if [ $# -eq 1 ]; then
+              toggle_mode
+            else
+              show_usage
+              exit 1
+            fi
+            ;;
+          light)
+            if [ $# -eq 1 ]; then
+              set_mode "light"
+            else
+              show_usage
+              exit 1
+            fi
+            ;;
+          dark)
+            if [ $# -eq 1 ]; then
+              set_mode "dark"
+            else
+              show_usage
+              exit 1
+            fi
+            ;;
+          mode)
+            if [ $# -eq 2 ]; then
+              set_mode "$2"
+            else
+              show_usage
+              exit 1
+            fi
+            ;;
+          wallpaper)
+            if [ $# -ge 2 ] && [ $# -le 3 ]; then
+              set_wallpaper "$2"
+              [ $# -eq 3 ] && set_mode "$3"
+            else
+              show_usage
+              exit 1
+            fi
+            ;;
+          *)
+            show_usage
+            exit 1
+            ;;
+        esac
+
+        finish
+      fi
+    '';
+  };
 in
 {
   # https://github.com/Theaninova/TheaninovOS/blob/master/modules/home-manager/theme/md3-evo.nix
@@ -19,6 +124,13 @@ in
       description = "The path to the default wallpaper";
     };
 
+    pkg = mkOption {
+      type = package;
+      default = init;
+      readOnly = true;
+      description = "The package containing the `theme` script";
+    };
+
     extraConfig = mkOption {
       type = lines;
       default = "";
@@ -40,6 +152,15 @@ in
       description = "The flavour of the theme.";
     };
 
+    mode = mkOption {
+      type = enum [
+        "dark"
+        "light"
+      ];
+      default = "dark";
+      description = "The default mode of the theme.";
+    };
+
     contrast = mkOption {
       type = numbers.between (-1) 1;
       default = 0;
@@ -231,36 +352,15 @@ in
     };
   };
 
-  config =
+  config = lib.mkIf cfg.enable {
-    let
+    home = {
-      name = "theme-init";
+      packages = [ cfg.pkg ];
-      init = pkgs.writeShellApplication {
-        inherit name;
-        runtimeInputs = with pkgs; [ coreutils-full ];
-        text =
-          let
-            wallpaperPath = "${cfg.configDir}/wallpaper";
-          in
-          ''
-            if [ ! -L "${wallpaperPath}" ]; then
-              ln -sf "${cfg.wallpaper}" "${wallpaperPath}"
-            fi
 
-            ${cfg.extraConfig}
+      pointerCursor = {
-          '';
+        inherit (cfg.cursor) package name size;
+        gtk.enable = true;
+        x11.enable = true;
       };
-    in
-    lib.mkIf cfg.enable {
-      home = {
-        packages = [ init ];
-
-        pointerCursor = {
-          inherit (cfg.cursor) package name size;
-          gtk.enable = true;
-          x11.enable = true;
-        };
-      };
-
-      wayland.windowManager.hyprland.settings.exec-once = "${init}/bin/${name}";
     };
+  };
 }

users/configs/hyprland/default.nix

@@ -105,12 +105,15 @@ in
       fi
     '';
 
-    home = {
+    theme.extraConfig = let name = "reload-hyprland"; in
-      sessionVariables.NIXOS_OZONE_WL = "1";
+      "${pkgs.writeShellApplication {
+        inherit name;
+        runtimeInputs = with pkgs; [ hyprland ];
+        text = ''
+          hyprctl reload
+        '';
+      }}/bin/${name} &";
 
-      packages = with pkgs; [
+    home.sessionVariables.NIXOS_OZONE_WL = "1";
-        pavucontrol
-      ];
-    };
   };
 }

users/configs/kitty/default.nix

@@ -1,4 +1,4 @@
-{ user ? throw "user argument is required" }: { config, ... }:
+{ user ? throw "user argument is required" }: { config, pkgs, ... }:
 
 let
   hmConfig = config.home-manager.users."${user.name}";
@@ -9,9 +9,26 @@ in
       enable = true;
       extraConfig = ''
         confirm_os_window_close 0
+        include theme.conf
       '';
     };
 
+    programs.matugen.settings.templates = {
+      kitty = {
+        input_path = ./theme.conf;
+        output_path = "${hmConfig.xdg.configHome}/kitty/theme.conf";
+      };
+    };
+
+    theme.extraConfig = let name = "reload-kitty"; in
+      "${pkgs.writeShellApplication {
+        inherit name;
+        runtimeInputs = with pkgs; [ procps ];
+        text = ''
+          pkill kitty -SIGUSR1
+        '';
+      }}/bin/${name} &";
+
     home.persistence."/cache${user.home}".directories = [ "${hmConfig.xdg.relativeCacheHome}/kitty" ];
   };
 }

users/configs/kitty/theme.conf

@@ -0,0 +1,29 @@
+background_tint 0.0
+background_opacity {{custom.opacity}}
+
+background {{colors.surface.default.hex}}
+foreground {{colors.on_surface.default.hex}}
+
+selection_background {{colors.primary.default.hex}}
+selection_foreground {{colors.on_primary.default.hex}}
+
+url_color {{colors.tertiary.default.hex}}
+cursor {{colors.on_surface.default.hex}}
+
+color0  {{colors.surface.default.hex}}
+color1  {{colors.red.default.hex}}
+color2  {{colors.green.default.hex}}
+color3  {{colors.yellow.default.hex}}
+color4  {{colors.blue.default.hex}}
+color5  {{colors.magenta.default.hex}}
+color6  {{colors.cyan.default.hex}}
+color7  {{colors.on_surface.default.hex}}
+
+color8  {{colors.outline_variant.default.hex}}
+color9  {{colors.red.default.hex}}
+color10 {{colors.green.default.hex}}
+color11 {{colors.yellow.default.hex}}
+color12 {{colors.blue.default.hex}}
+color13 {{colors.magenta.default.hex}}
+color14 {{colors.cyan.default.hex}}
+color15 {{colors.on_surface_variant.default.hex}}

users/configs/matugen/default.nix

@@ -1,4 +1,4 @@
-{ user ? throw "user argument is required" }: { config, ... }:
+{ user ? throw "user argument is required" }: { config, lib, pkgs, ... }:
 
 let
   hmConfig = config.home-manager.users."${user.name}";
@@ -44,6 +44,7 @@ in
             flavour = hmConfig.theme.flavour;
             contrast = builtins.toString hmConfig.theme.contrast;
             opacity = builtins.toString hmConfig.theme.opacity;
+            transparency = builtins.toString (1 - hmConfig.theme.opacity);
             radius = builtins.toString hmConfig.theme.radius;
             padding = builtins.toString hmConfig.theme.padding;
             double_padding = builtins.toString (hmConfig.theme.padding * 2);
@@ -54,5 +55,17 @@ in
         templates = { };
       };
     };
+
+    theme.extraConfig = let name = "theme-matugen"; in
+      lib.mkBefore "${pkgs.writeShellApplication {
+        inherit name;
+        runtimeInputs = with pkgs; [ matugen ];
+        text = ''
+          matugen image "${hmConfig.theme.configDir}/wallpaper" \
+            --type scheme-${hmConfig.theme.flavour} \
+            --mode "$(cat "${hmConfig.theme.configDir}/mode")" \
+            --contrast ${builtins.toString hmConfig.theme.contrast}
+        '';
+      }}/bin/${name}";
   };
 }

users/configs/swww/default.nix

@@ -1,4 +1,4 @@
-{ user ? throw "user argument is required" }: { config, pkgs, ... }:
+{ user ? throw "user argument is required" }: { config, lib, pkgs, ... }:
 
 let
   hmConfig = config.home-manager.users."${user.name}";
@@ -10,24 +10,30 @@ in
       persistence."/cache${user.home}".directories = [ "${hmConfig.xdg.relativeCacheHome}/swww" ];
     };
 
-    theme.extraConfig = let name = "theme-swww"; in
+    wayland.windowManager.hyprland.initExtraConfig = let name = "init-swww"; in
       "${pkgs.writeShellApplication {
-      inherit name;
+        inherit name;
-      runtimeInputs = with pkgs; [
+        runtimeInputs = with pkgs; [ swww ];
-        coreutils-full
+        text = ''
-        swww
+          swww-daemon &> /tmp/swww.log
-      ];
+        '';
-      text = ''
+      }}/bin/${name} &";
-        if ! pgrep -x "swww-daemon" > /dev/null; then
-          swww-daemon &> /tmp/swww.log &
-        fi
 
-        while ! swww query &> /dev/null; do
+    theme.extraConfig = let name = "theme-swww"; in
-          sleep 0.1
+      lib.mkAfter "${pkgs.writeShellApplication {
-        done
+        inherit name;
+        runtimeInputs = with pkgs; [
+          coreutils-full
+          procps
+          swww
+        ];
+        text = ''
+          while ! swww query &> /dev/null; do
+            sleep 0.1
+          done
 
-        swww img "${hmConfig.theme.configDir}/wallpaper"
+          swww img "${hmConfig.theme.configDir}/wallpaper"
-      '';
+        '';
-    }}/bin/${name}";
+      }}/bin/${name} &";
   };
 }

users/configs/theme/default.nix

@@ -6,6 +6,7 @@ in
 {
   home-manager.users."${user.name}" = {
     theme.enable = true;
+    wayland.windowManager.hyprland.initExtraConfig = "${hmConfig.theme.pkg}/bin/theme &";
     home.persistence."/persist${user.home}".directories = [ "${hmConfig.xdg.relativeConfigHome}/theme" ];
   };
 }