# WezTerm config for iTerm users https://vladkens.cc/from-iterm-to-wezterm/

> Source: <https://gist.github.com/vladkens/f2ae7c374c1752c4b1581c5e7dffa900>
> Published: 2025-01-10 04:40:58+00:00

wezterm.lua

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-- https://wezfurlong.org/wezterm/config/files.html

-- https://alexplescan.com/posts/2024/08/10/wezterm/

-- https://github.com/wez/wezterm/issues/6112

-- https://github.com/wez/wezterm/issues/5754

local wezterm = require "wezterm"

local config = wezterm.config_builder()

local action = wezterm.action

local mux = wezterm.mux

config.audible_bell = "Disabled"

config.check_for_updates = false -- managed by brew

config.set_environment_variables = {

  PATH = '/opt/homebrew/bin:/usr/local/bin/:' .. os.getenv('PATH')

}

local function scheme_for_appearance(a)

  return a:find("Dark") and "Catppuccin Macchiato" or "Catppuccin Latte"

end

config.font = wezterm.font { family = 'JetBrains Mono', weight = 'Medium', harfbuzz_features = { 'calt=0', 'clig=0', 'liga=0' } }

config.font_size = 15.0

config.line_height = 1.0

config.bold_brightens_ansi_colors = true

config.color_scheme = scheme_for_appearance(wezterm.gui.get_appearance())

config.macos_window_background_blur = 20

config.window_background_opacity = 0.96

config.window_decorations = 'RESIZE|INTEGRATED_BUTTONS'

config.window_padding = { left = '0.5cell', right = '0.5cell', top = '1.5cell', bottom = '0.5cell' }

config.enable_tab_bar = true

config.use_fancy_tab_bar = false

config.tab_bar_at_bottom = true

config.tab_max_width = 32

config.show_new_tab_button_in_tab_bar = false

-- config.hide_tab_bar_if_only_one_tab = true -- sometimes procude wrong window size on maximize

config.default_cursor_style = 'BlinkingBar'

config.animation_fps = 1

config.cursor_blink_rate = 500

config.prefer_egl = true

config.max_fps = 60

config.enable_scroll_bar = true

config.scrollback_lines = 10000

-- makes wezterm to work like tmux; see also: https://bower.sh/zmx-session-persistence

config.default_gui_startup_args = { 'connect', 'unix' }

config.window_close_confirmation = 'NeverPrompt'

local function maximize_window(window)

  if not window.gui_window then return end

  local screen = wezterm.gui.screens().active

  local guiwin = window:gui_window()

  if not screen or not guiwin then return end

  -- window:gui_window():maximize() -- have long animation

  guiwin:set_position(screen.x, screen.y)

  guiwin:set_inner_size(screen.width, screen.height)

end

-- https://github.com/wez/wezterm/issues/3299#issuecomment-2145712082

wezterm.on("gui-startup", function(cmd)

	local tab, pane, window = mux.spawn_window(cmd or {})

  maximize_window(window)

end)

wezterm.on("gui-attached", function(window)

  local workspace = mux.get_active_workspace()

  for _, window in ipairs(mux.all_windows()) do

    if window:get_workspace() == workspace then

      maximize_window(window)

    end

  end

end)

wezterm.on("window-resized", function(window, pane)

  maximize_window(window)

end)

-- see also https://wezterm.org/config/lua/wezterm/battery_info.html

wezterm.on("format-tab-title", function(tab, tabs, panes, config, hover, max_width)

  local title = (tab.tab_title ~= "" and tab.tab_title) or tab.active_pane.title

  title = title:lower()

  local prefix = tostring(tab.tab_index + 1) .. ":"

  local width = math.max(1, max_width - (#prefix + 2))

  title = wezterm.truncate_right(title, width)

  return " " .. prefix .. title .. " "

end)

-- https://github.com/wezterm/wezterm/issues/1988#issuecomment-2462216249

local function search_cmd(window, pane)

  window:perform_action(action.Search 'CurrentSelectionOrEmptyString', pane)

  window:perform_action(action.Multiple {

    action.CopyMode 'ClearPattern',

    action.CopyMode 'ClearSelectionMode',

    action.CopyMode 'MoveToScrollbackBottom'

  }, pane)

end

config.keys = {

  { key = 'q', mods = 'CMD', action = wezterm.action.Nop }, -- prevent accidental quit

  { key = 't', mods = 'CMD', action = action.SpawnTab 'CurrentPaneDomain' },

  { key = 'd', mods = 'CMD', action = action.SplitHorizontal { domain = 'CurrentPaneDomain' } },

  { key = 'd', mods = 'CMD|SHIFT', action = action.SplitVertical { domain = 'CurrentPaneDomain' } },

  { key = 'k', mods = 'CMD', action = action.ClearScrollback 'ScrollbackAndViewport' },

  { key = 'w', mods = 'CMD', action = action.CloseCurrentPane { confirm = false } },

  { key = 'w', mods = 'CMD|SHIFT', action = action.CloseCurrentTab { confirm = false } },

  { key = 'a', mods = 'CMD', action = action.SelectTextAtMouseCursor 'SemanticZone', },

  { key = 'LeftArrow', mods = 'CMD', action = action.SendKey { key = 'Home' } },

  { key = 'RightArrow', mods = 'CMD', action = action.SendKey { key = 'End' } },

  { key = 'Backspace', mods = 'CMD', action = action.SendKey({ mods = "CTRL", key = "u" }) },

  { key = 'Backspace', mods = 'OPT', action = action.SendKey({ mods = "CTRL", key = "w" }) },

  { key = 'P', mods = 'CMD|SHIFT', action = action.ActivateCommandPalette },

  { key = 'f', mods = 'CMD', action = wezterm.action_callback(search_cmd) },

  { key = ',', mods = 'CMD', action = action.SpawnCommandInNewTab { cwd = wezterm.home_dir, args = { 'code', wezterm.config_file } } },

  { key = 'E', mods = 'CMD|SHIFT', action = action.PromptInputLine {

    description = 'Enter tab title (empty to unset):',

    action = wezterm.action_callback(function(window, _, line)

      window:active_tab():set_title(line)

    end),

  }},

}

config.mouse_bindings = {

  { event = { Up = { streak = 1, button = "Left" } }, mods = "NONE", action = action.Nop },

  { event = { Up = { streak = 1, button = "Left" } }, mods = "CMD", action = action.OpenLinkAtMouseCursor },

  -- Disable CMD + LeftClick window drag (make it behave like normal select)

  -- { event = { Drag = { streak = 1, button = 'Left' } }, mods = "CMD", action = action.Nop },

  { event = { Drag = { streak = 1, button = "Left" } }, mods = "CMD", action = action.ExtendSelectionToMouseCursor("Cell") },

}

-- https://code.visualstudio.com/docs/configure/command-line#_opening-vs-code-with-urls

-- path-symbols: [\w@\.\/\-\[\]\(\)]

local function path_exists(path)

  local ok, _, _ = wezterm.run_child_process { "test", "-e", path }

  return ok

end

config.hyperlink_rules = wezterm.default_hyperlink_rules()

-- config.hyperlink_rules = {}

table.insert(config.hyperlink_rules, {

  regex = [[((?:[\w@\.\/\-\[\]\(\)]+\/)+[\w@\.\/\-\[\]\(\)]+\.\w+)\b]],

  format = "vscode://file/$PWD/$1",

  highlight = 1,

})

table.insert(config.hyperlink_rules, {

  regex = [[((?:[\w@\.\/\-\[\]\(\)]+\/)+[\w@\.\/\-\[\]\(\)]+\.\w+):(\d+):(\d+)]],

  format = "vscode://file/$PWD/$1:$2:$3",

  highlight = 1,

})

wezterm.on("open-uri", function(window, pane, uri)

  if uri:find("$PWD") then

    local cwd_uri = pane:get_current_working_dir()

    local before, after = uri:match("^(.-)$PWD/(.+)$")

    wezterm.log_info(before, after, path_exists(after))

    if path_exists(after) then

      uri = before .. after

    else

      uri = uri:gsub("$PWD", cwd_uri.file_path)

    end

    wezterm.log_info(uri)

    wezterm.open_with(uri)

    return false

  end

 

  return true

end)

return config