Make nixos use ghostty module as well

hosts/darwin/home-default.nix

@@ -28,6 +28,12 @@
     package = null;  # Use system Firefox on Darwin
   };
 
+  # Ghostty configuration
+  programs.ghostty-custom = {
+    enable = true;
+    package = null;  # Use Homebrew-installed Ghostty on Darwin
+  };
+
   home.username = "yanlin";
   home.homeDirectory = "/Users/yanlin";
   home.stateVersion = "24.05";

hosts/nixos/thinkpad/home.nix

@@ -10,6 +10,7 @@
     ../../../modules/firefox.nix
     ../../../modules/plasma.nix
     ../../../modules/syncthing.nix
+    ../../../modules/ghostty.nix
     plasma-manager.homeModules.plasma-manager
   ];
   
@@ -19,6 +20,14 @@
     package = pkgs.firefox;
   };
 
+  # Enable Ghostty terminal with NixOS package
+  programs.ghostty-custom = {
+    enable = true;
+    package = pkgs.ghostty;  # Install via nix on NixOS
+    fontSize = 13;
+    windowMode = "fullscreen";
+  };
+
   # Any ThinkPad-specific home configurations can be added here
   # For example, laptop-specific aliases or scripts
   

modules/ghostty.nix

@@ -1,6 +1,48 @@
-{ pkgs, ... }:
+{ config, pkgs, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.programs.ghostty-custom;
+in
 
 {
+  options.programs.ghostty-custom = {
+    enable = mkEnableOption "Ghostty terminal emulator";
+
+    package = mkOption {
+      type = types.nullOr types.package;
+      default = null;
+      example = "pkgs.ghostty";
+      description = "Ghostty package to use. Set to null on Darwin to use Homebrew-installed Ghostty, or pkgs.ghostty on NixOS.";
+    };
+
+    fontSize = mkOption {
+      type = types.int;
+      default = 14;
+      description = "Font size for the terminal";
+    };
+
+    windowMode = mkOption {
+      type = types.enum [ "windowed" "fullscreen" ];
+      default = "windowed";
+      description = "Window mode: 'windowed' for fixed size window or 'fullscreen' for full screen";
+    };
+
+    windowWidth = mkOption {
+      type = types.int;
+      default = 160;
+      description = "Window width in columns (only used in windowed mode)";
+    };
+
+    windowHeight = mkOption {
+      type = types.int;
+      default = 40;
+      description = "Window height in rows (only used in windowed mode)";
+    };
+  };
+
+  config = mkIf cfg.enable {
     # Note: Ghostty is currently marked as broken in nixpkgs
     # To use it, you'll need to either:
     # 1. Set NIXPKGS_ALLOW_BROKEN=1 when running hms
@@ -9,9 +51,10 @@
     
     programs.ghostty = {
       enable = true;
-    package = null;  # Use system-installed Ghostty
+      package = cfg.package;
       
-    settings = {
+      settings = mkMerge [
+        {
           # Font settings with CJK fallback
           font-family = [
             "JetBrainsMono Nerd Font Mono"  # Primary font for Latin + symbols
@@ -19,7 +62,7 @@
             "Noto Sans CJK TC"              # Traditional Chinese fallback
             "Source Han Sans"               # Alternative CJK fallback
           ];
-      font-size = 14;
+          font-size = cfg.fontSize;
           
           # Gruvbox Dark Theme (matching tmux theme)
           background = "#14191f";
@@ -27,8 +70,6 @@
 
           # Window config
           window-theme = "dark";
-      window-width = 160;
-      window-height = 40;
           window-padding-balance = true;
           
           # Shell integration
@@ -54,7 +95,18 @@
           
           # Quit behavior
           confirm-close-surface = false;
-    };
+        }
         
+        # Conditional window settings based on mode
+        (mkIf (cfg.windowMode == "windowed") {
+          window-width = cfg.windowWidth;
+          window-height = cfg.windowHeight;
+        })
+        
+        (mkIf (cfg.windowMode == "fullscreen") {
+          fullscreen = true;
+        })
+      ];
+    };
   };
 }

modules/plasma.nix

@@ -62,7 +62,7 @@
               "applications:org.kde.dolphin.desktop"
               "applications:firefox.desktop"
               "applications:obsidian.desktop"
-              "applications:org.kde.konsole.desktop"
+              "applications:com.mitchellh.ghostty.desktop"
               "applications:org.keepassxc.KeePassXC.desktop"
             ];
           };