WezTerm 完整配置指南

-- 性能与渲染
config.front_end = 'WebGpu'            -- 使用 WebGPU 渲染
config.webgpu_power_preference = 'HighPerformance'
config.max_fps = 120                   -- 最大帧率
config.animation_fps = 60              -- 动画帧率

-- 滚动缓冲区
config.scrollback_lines = 10000       -- 历史行数
config.enable_scroll_bar = false      -- 隐藏滚动条

-- 光标
config.default_cursor_style = 'BlinkingBar'
config.cursor_blink_rate = 500
config.cursor_thickness = 2

local wezterm = require 'wezterm'
local config = wezterm.config_builder()

-- ══════════════════════════════════════════════════════════════════════════════
-- 外观主题（自动跟随系统深色/浅色模式）
-- ══════════════════════════════════════════════════════════════════════════════

-- Catppuccin 配色定义
local colors = {
  dark = {
    scheme = 'Catppuccin Mocha',
    mantle = '#181825',
    mantle_alpha = 'rgba(24, 24, 37, 0.7)',  -- 带透明度的标题栏背景
    base = '#1e1e2e',
    surface0 = '#313244',
    surface1 = '#45475a',
    text = '#cdd6f4',
    subtext0 = '#a6adc8',
    mauve = '#cba6f7',
    blue = '#89b4fa',
    pink = '#f5c2e7',
  },
  light = {
    scheme = 'Catppuccin Latte',
    mantle = '#eff1f5',
    mantle_alpha = 'rgba(239, 241, 245, 0.7)',  -- 带透明度的标题栏背景
    base = '#eff1f5',
    surface0 = '#ccd0da',
    surface1 = '#bcc0cc',
    text = '#4c4f69',
    subtext0 = '#6c6f85',
    mauve = '#8839ef',
    blue = '#1e66f5',
    pink = '#ea76cb',
  },
}

local function is_dark(appearance)
  return appearance:find 'Dark'
end

local function get_colors(appearance)
  return is_dark(appearance) and colors.dark or colors.light
end

local function get_appearance()
  if wezterm.gui then
    return wezterm.gui.get_appearance()
  end
  return 'Dark'
end

-- 生成 Tab Bar 颜色配置
local function make_tab_bar_colors(c)
  return {
    background = c.mantle,
    inactive_tab_edge = c.surface0,
    active_tab = {
      bg_color = c.mauve,
      fg_color = c.base,
      intensity = 'Bold',
    },
    inactive_tab = {
      bg_color = c.surface0,
      fg_color = c.subtext0,
    },
    inactive_tab_hover = {
      bg_color = c.surface1,
      fg_color = c.text,
      italic = true,
    },
    new_tab = {
      bg_color = c.mantle,
      fg_color = c.blue,
    },
    new_tab_hover = {
      bg_color = c.surface0,
      fg_color = c.pink,
      italic = true,
    },
  }
end

-- 初始化配色
local current_colors = get_colors(get_appearance())
config.color_scheme = current_colors.scheme

-- 动态切换主题
wezterm.on('window-config-reloaded', function(window, pane)
  local overrides = window:get_config_overrides() or {}
  local appearance = window:get_appearance()
  local c = get_colors(appearance)
  if overrides.color_scheme ~= c.scheme then
    overrides.color_scheme = c.scheme
    overrides.colors = { tab_bar = make_tab_bar_colors(c) }
    overrides.window_frame = {
      font = wezterm.font { family = 'JetBrainsMono Nerd Font', weight = 'Bold' },
      font_size = 14.0,
      active_titlebar_bg = c.mantle,
      inactive_titlebar_bg = c.mantle,
      border_left_width = '0.4cell',
      border_right_width = '0.4cell',
      border_top_height = '0.2cell',
      border_bottom_height = '0.2cell',
      border_left_color = c.mantle,
      border_right_color = c.mantle,
      border_top_color = c.mantle,
      border_bottom_color = c.mantle,
    }
    window:set_config_overrides(overrides)
  end
end)

-- 自定义 Tab 标题格式（设置最小宽度）
local TAB_MIN_WIDTH = 12  -- 最小宽度（字符数）

wezterm.on('format-tab-title', function(tab, tabs, panes, config, hover, max_width)
  local title = tab.active_pane.title
  -- 如果标题太长，截断并加省略号
  if #title > max_width - 2 then
    title = string.sub(title, 1, max_width - 5) .. '...'
  end
  -- 如果标题太短，两侧补空格使其居中
  if #title < TAB_MIN_WIDTH then
    local padding = TAB_MIN_WIDTH - #title
    local left_pad = math.floor(padding / 2)
    local right_pad = padding - left_pad
    title = string.rep(' ', left_pad) .. title .. string.rep(' ', right_pad)
  end
  return ' ' .. title .. ' '
end)

-- ══════════════════════════════════════════════════════════════════════════════
-- 字体配置
-- ══════════════════════════════════════════════════════════════════════════════

config.font = wezterm.font_with_fallback {
  {
    family = 'JetBrainsMono Nerd Font',
    weight = 'Medium',
    harfbuzz_features = { 'calt=1', 'clig=1', 'liga=1' },  -- 启用连字
  },
  { family = 'Fira Code', weight = 'Medium' },
  'Apple Color Emoji',
}

config.font_size = 17.0
config.line_height = 1.2
config.cell_width = 1.0

-- ══════════════════════════════════════════════════════════════════════════════
-- 窗口样式
-- ══════════════════════════════════════════════════════════════════════════════

-- 窗口透明度 + 毛玻璃效果
config.window_background_opacity = 0.7
config.macos_window_background_blur = 30

-- 窗口装饰：将关闭/最小化/最大化按钮集成到 Tab Bar
config.window_decorations = 'INTEGRATED_BUTTONS|RESIZE'

-- 窗口内边距
config.window_padding = {
  left = 20,
  right = 20,
  top = 30,
  bottom = 20,
}

-- 初始窗口大小
config.initial_cols = 90
config.initial_rows = 23

-- ══════════════════════════════════════════════════════════════════════════════
-- Tab Bar 样式
-- ══════════════════════════════════════════════════════════════════════════════

config.enable_tab_bar = true
config.use_fancy_tab_bar = true
config.tab_bar_at_bottom = false
config.tab_max_width = 50
config.show_tab_index_in_tab_bar = true
config.switch_to_last_active_tab_when_closing_tab = true

-- Tab Bar 字体和颜色（根据当前外观初始化）
config.window_frame = {
  font = wezterm.font { family = 'JetBrainsMono Nerd Font', weight = 'Bold' },
  font_size = 14.0,
  active_titlebar_bg = current_colors.mantle,
  inactive_titlebar_bg = current_colors.mantle,
  border_left_width = '0.4cell',
  border_right_width = '0.4cell',
  border_top_height = '0.2cell',
  border_bottom_height = '0.2cell',
  border_left_color = current_colors.mantle,
  border_right_color = current_colors.mantle,
  border_top_color = current_colors.mantle,
  border_bottom_color = current_colors.mantle,
}

config.colors = {
  tab_bar = make_tab_bar_colors(current_colors),
}

-- ══════════════════════════════════════════════════════════════════════════════
-- 光标样式
-- ══════════════════════════════════════════════════════════════════════════════

config.default_cursor_style = 'BlinkingBar'
config.cursor_blink_rate = 500
config.cursor_blink_ease_in = 'Constant'
config.cursor_blink_ease_out = 'Constant'

-- ══════════════════════════════════════════════════════════════════════════════
-- 性能与渲染
-- ══════════════════════════════════════════════════════════════════════════════

config.front_end = 'WebGpu'
config.webgpu_power_preference = 'HighPerformance'
config.max_fps = 120
config.animation_fps = 60
config.cursor_thickness = 2

config.scrollback_lines = 10000
config.enable_scroll_bar = false

-- ══════════════════════════════════════════════════════════════════════════════
-- 快捷键
-- ══════════════════════════════════════════════════════════════════════════════

config.keys = {
  -- Shift+Enter 插入换行而不执行（Ctrl+V + LF）
  { key = 'Enter', mods = 'SHIFT', action = wezterm.action.SendString '\x16\x0a' },
  { key = 't', mods = 'CMD', action = wezterm.action.SpawnTab 'CurrentPaneDomain' },
  { key = 'w', mods = 'CMD', action = wezterm.action.CloseCurrentTab { confirm = true } },
  { key = '1', mods = 'CMD', action = wezterm.action.ActivateTab(0) },
  { key = '2', mods = 'CMD', action = wezterm.action.ActivateTab(1) },
  { key = '3', mods = 'CMD', action = wezterm.action.ActivateTab(2) },
  { key = '4', mods = 'CMD', action = wezterm.action.ActivateTab(3) },
  { key = '5', mods = 'CMD', action = wezterm.action.ActivateTab(4) },
  { key = '[', mods = 'CMD|SHIFT', action = wezterm.action.ActivateTabRelative(-1) },
  { key = ']', mods = 'CMD|SHIFT', action = wezterm.action.ActivateTabRelative(1) },
  { key = 'd', mods = 'CMD', action = wezterm.action.SplitHorizontal { domain = 'CurrentPaneDomain' } },
  { key = 'd', mods = 'CMD|SHIFT', action = wezterm.action.SplitVertical { domain = 'CurrentPaneDomain' } },
  { key = 'k', mods = 'CMD', action = wezterm.action.ClearScrollback 'ScrollbackAndViewport' },
  { key = 'f', mods = 'CMD', action = wezterm.action.Search 'CurrentSelectionOrEmptyString' },
  { key = ',', mods = 'CMD', action = wezterm.action.SpawnCommandInNewTab {
    cwd = wezterm.home_dir,
    args = { 'open', wezterm.config_file },
  }},
  { key = 'f', mods = 'CMD|CTRL', action = wezterm.action.ToggleFullScreen },
  { key = 'h', mods = 'CMD|ALT', action = wezterm.action.ActivatePaneDirection 'Left' },
  { key = 'l', mods = 'CMD|ALT', action = wezterm.action.ActivatePaneDirection 'Right' },
  { key = 'k', mods = 'CMD|ALT', action = wezterm.action.ActivatePaneDirection 'Up' },
  { key = 'j', mods = 'CMD|ALT', action = wezterm.action.ActivatePaneDirection 'Down' },
}

-- ══════════════════════════════════════════════════════════════════════════════
-- 其他设置
-- ══════════════════════════════════════════════════════════════════════════════

config.window_close_confirmation = 'NeverPrompt'
config.check_for_updates = false
config.audible_bell = 'Disabled'
config.term = 'xterm-256color'

-- ══════════════════════════════════════════════════════════════════════════════
-- Status Bar（系统监控）
-- ══════════════════════════════════════════════════════════════════════════════

config.status_update_interval = 2000

wezterm.on('update-status', function(window, pane)
  local appearance = window:get_appearance()
  local is_dark = appearance:find 'Dark'
  local fg_color = is_dark and '#cdd6f4' or '#4c4f69'
  local icon_color = is_dark and '#89b4fa' or '#1e66f5'

  local success, stdout = wezterm.run_child_process({
    '/bin/zsh', '-c',
    [[
      cpu=$(top -l 1 -n 0 | grep 'CPU usage' | awk '{printf "%.0f", $3}')
      mem_used=$(top -l 1 -n 0 | head -n 10 | grep PhysMem | awk '{print $2}' | tr -d 'G')
      mem_total=$(sysctl -n hw.memsize | awk '{printf "%.0f", $1/1024/1024/1024}')
      echo "$cpu|$mem_used|$mem_total"
    ]]
  })

  local status_text = ''
  if success then
    local cpu, mem_used, mem_total = stdout:match('(%d+)|(%d+)|(%d+)')
    if cpu and mem_used and mem_total then
      status_text = wezterm.format({
        { Foreground = { Color = icon_color } }, { Text = '󰻠 ' },
        { Foreground = { Color = fg_color } }, { Text = cpu .. '%' },
        { Foreground = { Color = icon_color } }, { Text = '   󰍛 ' },
        { Foreground = { Color = fg_color } }, { Text = mem_used .. 'G/' .. mem_total .. 'G' },
        { Text = '  ' },
      })
    end
  end

  window:set_right_status(status_text)
end)

return config