From 3d7fc9a4edf1ca323dcda3378eb6810028623f4c Mon Sep 17 00:00:00 2001
From: Caroline Larimore <caroline@larimo.re>
Date: Tue, 15 Apr 2025 11:45:01 -0700
Subject: home: improved theme system

---
 modules/home/desktop/components/gtk/default.nix |  9 +--
 modules/home/desktop/default.nix                | 75 ++++++++++++++++---------
 modules/home/desktop/theme/gruvbox.nix          | 26 ---------
 modules/home/desktop/theme/gruvbox/default.nix  | 40 +++++++++++++
 4 files changed, 93 insertions(+), 57 deletions(-)
 delete mode 100644 modules/home/desktop/theme/gruvbox.nix
 create mode 100644 modules/home/desktop/theme/gruvbox/default.nix

(limited to 'modules')

diff --git a/modules/home/desktop/components/gtk/default.nix b/modules/home/desktop/components/gtk/default.nix
index a20cc1f..ccdb031 100644
--- a/modules/home/desktop/components/gtk/default.nix
+++ b/modules/home/desktop/components/gtk/default.nix
@@ -1,7 +1,8 @@
-{ options, config, lib, pkgs, namespace, ... }:
+{ options, config, lib, namespace, ... }:
 
 with lib; with lib.${namespace}; let
   cfg = config.${namespace}.desktop.components.gtk;
+  theme = config.${namespace}.desktop.theme;
 in {
   options.${namespace}.desktop.components.gtk = with types; {
     enable = mkEnableOption "gtk";
@@ -11,11 +12,7 @@ in {
     gtk = {
       enable = true;
 
-      #TODO: dynamic theming
-      theme = {
-        package = pkgs.gruvbox-gtk-theme;
-        name = "Gruvbox-Dark";
-      };
+      theme = theme.gtk;
 
       font = {
         name = "monospace";
diff --git a/modules/home/desktop/default.nix b/modules/home/desktop/default.nix
index e434c6c..6b2ab79 100644
--- a/modules/home/desktop/default.nix
+++ b/modules/home/desktop/default.nix
@@ -2,29 +2,33 @@
 
 with lib; with lib.${namespace}; let
   cfg = config.${namespace}.desktop;
-in {
-  options.${namespace}.desktop = with types; {
-    enable = mkEnableOption "desktop";
+  themeType = with types; submodule {
+    options = {
+      name = mkOption {
+        type = str;
+      };
 
-    background = mkOption {
-      type = enum [
-        "lycoris.png"
-        "matama.png"
-        "mem.png"
-        "nonon.png"
-        "ryo.png"
-        "shinobu.png"
-        "skull.png"
-      ];
-      apply = value: ./bg/${value};
-    };
+      gtk = {
+        package = mkOption {
+          type = types.nullOr types.package;
+          default = null;
+          example = literalExpression "pkgs.gnome.gnome-themes-extra";
+          description = ''
+            Package providing the theme. This package will be installed
+            to your profile. If `null` then the theme
+            is assumed to already be available in your profile.
 
-    theme = {
-      name = mkOption {
-        type = enum [ "gruvbox" ];
-        default = "gruvbox";
+            For the theme to apply to GTK 4, this option is mandatory.
+          '';
+        };
+
+        name = mkOption {
+          type = types.str;
+          example = "Adwaita";
+          description = "The name of the theme within the package.";
+        };
       };
-  
+
       colors = let
         mkColorOption = name: {
           inherit name;
@@ -39,19 +43,40 @@ in {
         };
       in listToAttrs (map mkColorOption [
         "accent"
-  
+
         "black" "red" "green" "yellow" "blue" "magenta" "cyan" "white"
         "brightBlack" "brightRed" "brightGreen" "brightYellow" "brightBlue" "brightMagenta" "brightCyan" "brightWhite"
-  
+
         "bg" "bg0" "bg1" "bg2" "bg3" "bg4"
         "fg" "fg0" "fg1" "fg2" "fg3" "fg4"
-  
+
         "orange" "brightOrange"
       ]);
     };
   };
+in {
+  options.${namespace}.desktop = with types; {
+    enable = mkEnableOption "desktop";
+
+    background = mkOption {
+      type = enum [
+        "lycoris.png"
+        "matama.png"
+        "mem.png"
+        "nonon.png"
+        "ryo.png"
+        "shinobu.png"
+        "skull.png"
+      ];
+      apply = value: ./bg/${value};
+    };
 
-  config = {
-    cxl.desktop.theme.colors = import ./theme/${cfg.theme.name}.nix;
+    themes = mkOption {
+      type = attrsOf themeType;
+    };
+
+    theme = mkOption {
+      type = themeType;
+    };
   };
 }
diff --git a/modules/home/desktop/theme/gruvbox.nix b/modules/home/desktop/theme/gruvbox.nix
deleted file mode 100644
index 0bfb043..0000000
--- a/modules/home/desktop/theme/gruvbox.nix
+++ /dev/null
@@ -1,26 +0,0 @@
-{
-  accent = "cc241d";
-
-  black   = "282828"; brightBlack   = "928374";
-  red     = "cc241d"; brightRed     = "fb4934";
-  green   = "98971a"; brightGreen   = "b8bb26";
-  yellow  = "d79921"; brightYellow  = "fabd2f";
-  blue    = "458588"; brightBlue    = "83a598";
-  magenta = "b16286"; brightMagenta = "d3869b";
-  cyan    = "689d6a"; brightCyan    = "8ec07c";
-  white   = "a89984"; brightWhite   = "ebdbb2";
-
-  bg  = "282828";
-  bg0 = "282828";
-  bg1 = "3c3836";
-  bg2 = "504945";
-  bg3 = "665c54";
-  bg4 = "7c6f64";
-
-  fg  = "ebdbb2";
-  fg0 = "fbf1c7";
-  fg1 = "ebdbb2";
-  fg2 = "d5c4a1";
-  fg3 = "bdae93";
-  fg4 = "a89984";
-}
diff --git a/modules/home/desktop/theme/gruvbox/default.nix b/modules/home/desktop/theme/gruvbox/default.nix
new file mode 100644
index 0000000..7b0aa9d
--- /dev/null
+++ b/modules/home/desktop/theme/gruvbox/default.nix
@@ -0,0 +1,40 @@
+{ options, config, lib, pkgs, namespace, ... }:
+
+with lib; with lib.${namespace}; {
+  cxl.desktop.themes."gruvbox" = {
+    #TODO: grab this from attr name somehow
+    name = "gruvbox";
+
+    gtk = {
+      package = pkgs.gruvbox-gtk-theme;
+      name = "Gruvbox-Dark";
+    };
+
+    colors = {
+      accent = "cc241d";
+
+      black   = "282828"; brightBlack   = "928374";
+      red     = "cc241d"; brightRed     = "fb4934";
+      green   = "98971a"; brightGreen   = "b8bb26";
+      yellow  = "d79921"; brightYellow  = "fabd2f";
+      blue    = "458588"; brightBlue    = "83a598";
+      magenta = "b16286"; brightMagenta = "d3869b";
+      cyan    = "689d6a"; brightCyan    = "8ec07c";
+      white   = "a89984"; brightWhite   = "ebdbb2";
+
+      bg  = "282828";
+      bg0 = "282828";
+      bg1 = "3c3836";
+      bg2 = "504945";
+      bg3 = "665c54";
+      bg4 = "7c6f64";
+
+      fg  = "ebdbb2";
+      fg0 = "fbf1c7";
+      fg1 = "ebdbb2";
+      fg2 = "d5c4a1";
+      fg3 = "bdae93";
+      fg4 = "a89984";
+    };
+  };
+}
-- 
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