feat: use catppuccin to theme applications

Use and configure catppuccin to theme applications.

Signed-off-by: Jalil David Salamé Messina <jalil.salame@gmail.com>

Author: jalil-salame

flake-modules/home-modules.nix

@@ -9,6 +9,7 @@
         let
           defaultModules = [
             inputs.nixvim.homeModules.nixvim
+            inputs.catppuccin.homeModules.catppuccin
             self.nixvimModules.homeManager
             ../modules/hm
           ];

flake-modules/nixos-modules.nix

@@ -10,6 +10,7 @@
       nixosModule = {
         imports = [
           inputs.home-manager.nixosModules.home-manager
+          inputs.catppuccin.nixosModules.catppuccin
           ../modules/nixos
         ];
         home-manager = {

flake.lock

@@ -15,6 +15,10 @@
       url = "github:nix-community/home-manager/release-25.11";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    catppuccin = {
+      url = "github:catppuccin/nix/release-25.11";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     nixvim = {
       url = "github:nix-community/nixvim/nixos-25.11";
       inputs = {

flake.nix

@@ -12,6 +12,7 @@ in
 {
   imports = [
     ./options.nix
+    ./styling.nix
     ./gui
     ./dev.nix
     ./users.nix
@@ -55,7 +56,6 @@ in
           config = {
             # Disable headers and numbers
             style = "plain";
-            theme = lib.mkForce "gruvbox-dark";
           };
         };
         # Direnv

modules/hm/default.nix

@@ -9,11 +9,6 @@ let
   inherit (config) jhome;
   flatpakEnabled = fromOs [ "services" "flatpak" "enable" ] false;
   cfg = jhome.gui;
-  cursor = {
-    package = pkgs.nordzy-cursor-theme;
-    size = 48;
-    name = "Nordzy-cursors";
-  };
 in
 {
   imports = [
@@ -196,19 +191,9 @@ in
       };
     };
 
-    home.pointerCursor = lib.mkIf config.jhome.styling.enable (
-      lib.mkDefault {
-        gtk.enable = true;
-        inherit (cursor) name package;
-      }
-    );
     # Set Gtk theme
     gtk = lib.mkIf config.jhome.styling.enable {
       enable = true;
-      iconTheme = {
-        name = "Papirus-Dark";
-        package = pkgs.papirus-icon-theme;
-      };
       colorScheme = "dark";
     };
     # Set Qt theme

modules/hm/gui/default.nix

@@ -0,0 +1,28 @@
+{ lib, config, ... }:
+let
+  cfg = config.jhome;
+in
+{
+  config = lib.mkIf (cfg.enable && cfg.styling.enable) {
+    catppuccin = lib.mkMerge [
+      {
+        bat.enable = true;
+        btop.enable = true;
+        delta.enable = true;
+        eza.enable = true;
+        fish.enable = true;
+        fzf.enable = true;
+        zellij.enable = true;
+      }
+      (lib.mkIf cfg.gui.enable {
+        alacritty.enable = true;
+        cursors.enable = true;
+        fuzzel.enable = true;
+        mako.enable = true;
+        mpv.enable = true;
+        waybar.enable = true;
+        zathura.enable = true;
+      })
+    ];
+  };
+}

modules/hm/styling.nix

@@ -2,19 +2,28 @@
 let
   cfg = args.config.jconfig.styling;
   enable = args.config.jconfig.enable && cfg.enable;
+  gui = args.config.jconfig.gui.enable;
 in
 {
   imports = [
     (import ../../shared/starship.nix { cfg = args.config.jconfig; })
   ];
 
   config = lib.mkIf enable {
+    catppuccin = lib.mkMerge [
+      { tty.enable = true; }
+      (lib.mkIf gui {
+        cursors.enable = true;
+        gtk.icon.enable = true;
+      })
+    ];
+
     boot.plymouth = {
       inherit (cfg) enable;
       logo = cfg.bootLogo;
     };
 
-    fonts = lib.mkIf args.config.jconfig.gui.enable {
+    fonts = lib.mkIf gui {
       packages = [
         pkgs.jetbrains-mono
         pkgs.nerd-fonts.symbols-only