From 6d9b6fa77b51b7b6c04a456406eb696076e74876 Mon Sep 17 00:00:00 2001
From: Takumi Akimoto <81888693+akimon658@users.noreply.github.com>
Date: Thu, 1 Jan 2026 07:39:56 +0900
Subject: [PATCH] Manager WezTerm config

---
 home-manager/default.nix         |  5 ++
 home-manager/wezterm/wezterm.lua | 98 ++++++++++++++++++++++++++++++++
 2 files changed, 103 insertions(+)
 create mode 100644 home-manager/wezterm/wezterm.lua

diff --git a/home-manager/default.nix b/home-manager/default.nix
index 0854aaf..b0b7ed7 100644
--- a/home-manager/default.nix
+++ b/home-manager/default.nix
@@ -22,6 +22,11 @@ in {
     stateVersion = "25.11";
     username = username;
   };
+  programs.wezterm = {
+    enable = true;
+    extraConfig = builtins.readFile ./wezterm/wezterm.lua;
+    package = pkgs.brewCasks.wezterm;
+  };
   xdg.configFile = {
     "fish/config.fish".source = ./xdg_config/fish/config.fish;
   };
diff --git a/home-manager/wezterm/wezterm.lua b/home-manager/wezterm/wezterm.lua
new file mode 100644
index 0000000..6869bad
--- /dev/null
+++ b/home-manager/wezterm/wezterm.lua
@@ -0,0 +1,98 @@
+local wezterm = require "wezterm"
+
+local config = {
+  default_prog = { string.format("%s/.nix-profile/bin/fish", os.getenv "HOME"), "--login" },
+  font = wezterm.font_with_fallback {
+    "Roboto Mono",
+    "Noto Sans JP",
+  },
+  font_size = 12.0,
+  send_composed_key_when_right_alt_is_pressed = true,
+  window_background_opacity = 0.8,
+  window_decorations = "INTEGRATED_BUTTONS | RESIZE",
+  window_frame = {
+    font_size = 12.0,
+  },
+}
+
+if string.find(wezterm.target_triple, "windows") then
+  config.default_prog = { "pwsh", "-NoLogo" }
+end
+
+---@param path string
+---@return string
+local function trim_path(path)
+  local s = string.gsub(path, "(.*[/\\])(.*)", "%2")
+
+  return s
+end
+
+---@type { [string]: { color?: string, icon: string } }
+local process_icons = {
+  docker = {
+    color = "#1d63ed",
+    icon = wezterm.nerdfonts.md_docker,
+  },
+  fish = {
+    icon = wezterm.nerdfonts.dev_terminal,
+  },
+  go = {
+    color = "#79d4fd",
+    icon = wezterm.nerdfonts.md_language_go,
+  },
+  nvim = {
+    color = "#00b952",
+    icon = wezterm.nerdfonts.custom_neovim,
+  },
+}
+
+wezterm.on("format-tab-title", function(tab, _, _, _, _, _)
+  local pane = tab.active_pane
+  local process_name = trim_path(pane.foreground_process_name)
+
+  if not pane.current_working_dir then
+    return process_name
+  end
+  ---@type string
+  local cwd = pane.current_working_dir.file_path
+  local text_color = tab.is_active and "#c0c0c0" or "#808080"
+  local icon_spec = process_icons[process_name]
+
+  return {
+    {
+      Foreground = {
+        Color = text_color, -- For close-tab button
+      },
+    },
+    {
+      Text = utf8.char(0x200B), -- Zero-width space
+    },
+    {
+      Foreground = {
+        Color = tab.is_active and icon_spec and icon_spec.color or text_color,
+      },
+    },
+    { Text = icon_spec and icon_spec.icon or process_name .. " on" },
+    {
+      Foreground = {
+        Color = text_color,
+      },
+    },
+    { Text = " " .. trim_path(cwd) },
+  }
+end)
+
+wezterm.on("gui-startup", function()
+  local _, _, window = wezterm.mux.spawn_window {}
+  window:gui_window():maximize()
+end)
+
+if string.find(wezterm.target_triple, "apple") then
+  wezterm.on("window-focus-changed", function(window, _)
+    if window:is_focused() then
+      os.execute "osascript -e 'tell application \"System Events\" to key code 102'"
+    end
+  end)
+end
+
+return config
-- 
2.54.0