treewide: conditionally add theming

home/programs/niri/default.nix

@@ -5,7 +5,7 @@
   osConfig,
   ...
 }: let
-  inherit (osConfig.theme.scheme) palette;
+  inherit (lib) mkMerge mkIf;
 in {
   imports = [./binds.nix];
 
@@ -22,7 +22,8 @@ in {
     };
   };
 
-  programs.niri = {
+  programs.niri = mkMerge [
+    {
       settings = {
         input = {
           power-key-handling.enable = false;
@@ -38,7 +39,6 @@ in {
         layout = {
           focus-ring = {
             enable = true;
-          active.color = palette.base0E;
           };
           always-center-single-column = true;
         };
@@ -94,7 +94,13 @@ in {
           "_JAVA_AWT_WM_NONREPARENTING" = "1"; # https://wiki.archlinux.org/title/Sway#Java_applications
         };
       };
-  };
+    }
+    (mkIf osConfig.theme.enable (let
+      inherit (osConfig.theme.scheme) palette;
+    in {
+      layout.focus-ring.active.color = palette.base0E;
+    }))
+  ];
 
   # copied from https://github.com/linyinfeng/dotfiles/blob/c00fe3b1562ad947672863a43e455bc2f01a56b6/home-manager/profiles/niri/default.nix#L594-L611
   systemd.user.services.xwayland-satellite = {

home/programs/swaylock.nix

@@ -1,9 +1,10 @@
 {
   pkgs,
   osConfig,
+  lib,
   ...
 }: let
-  inherit (osConfig.theme.scheme) palette;
+  inherit (lib) mkMerge mkIf;
 in {
   # requires `security.pam.services.swaylock = { };` at the system level or else
   # unlock will not work.
@@ -11,7 +12,8 @@ in {
     enable = true;
     package = pkgs.swaylock-effects;
 
-    settings = {
+    settings = mkMerge [
+      {
         clock = true;
         timestr = "%H:%M";
 
@@ -25,7 +27,12 @@ in {
         effect-pixelate = 5;
 
         ignore-empty-password = false; # needed for PAM to work with fprintd / password
-
+      }
+      (mkIf
+        osConfig.theme.enable
+        (let
+          inherit (osConfig.theme.scheme) palette;
+        in {
           inside-color = palette.base01;
           inside-clear-color = palette.base0C;
           inside-caps-lock-color = palette.base09;
@@ -51,6 +58,7 @@ in {
           text-caps-lock-color = palette.base04;
           text-ver-color = palette.base04;
           text-wrong-color = palette.base04;
-    };
+        }))
+    ];
   };
 }

home/programs/waybar/style.nix

@@ -5,20 +5,16 @@
 }: let
   inherit (osConfig.theme.scheme) palette;
   inherit (builtins) concatStringsSep;
-  inherit (lib) mapAttrsToList;
+  inherit (lib) mapAttrsToList mkIf mkMerge;
 
   generateGtkColors = palette: (concatStringsSep "\n"
     (mapAttrsToList
       (name: color: "@define-color ${name} ${color};")
       palette));
 in {
-  programs.waybar.style = ''
-    ${
-      if osConfig.theme.enable
-      then generateGtkColors palette
-      else ""
-    }
-
+  programs.waybar.style = mkMerge [
+    (mkIf osConfig.theme.enable generateGtkColors palette)
+    ''
       * {
         /* `otf-font-awesome` is required to be installed for icons */
         border: none;
@@ -106,5 +102,6 @@ in {
         padding: 0 1.2em;
         color: @base08;
       }
-  '';
+    ''
+  ];
 }

home/terminal/emulators/foot.nix

@@ -3,7 +3,9 @@
   config,
   lib,
   ...
-}: {
+}: let
+  inherit (lib) mkIf;
+in {
   programs.foot = {
     enable = true;
     settings = {
@@ -12,7 +14,7 @@
         font = "monospace:size=14";
         shell = "${lib.getExe config.programs.fish.package}";
       };
-      colors = let
+      colors = mkIf osConfig.theme.enable (let
         inherit (lib) mapAttrs;
         inherit (lib.strings) removePrefix;
         # because someone thought this was a great idea: https://github.com/tinted-theming/schemes/commit/61058a8d2e2bd4482b53d57a68feb56cdb991f0b
@@ -38,7 +40,7 @@
         bright5 = palette.base0E;
         bright6 = palette.base0C;
         bright7 = palette.base07;
-      };
+      });
     };
   };
 }

hosts/solaire/modules/theme.nix

@@ -1,6 +1,7 @@
 {
   theme = {
     wallpaper = ../../../wallpapers/lucy-edgerunners-wallpaper.jpg;
+    schemeName = "catppuccin-macchiato";
     enable = true;
     gtk.enable = false;
   };