wezterm.lua

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

-- Native Wayland on Hyprland (better background redraw than XWayland).
-- If the window is invisible on launch again, set back to false.
config.enable_wayland = true

-- OpenGL avoids WebGpu "frozen until focus" bugs on some setups
config.front_end = 'OpenGL'

-- Less batching delay for live output in unfocused windows
config.mux_output_parser_coalesce_delay_ms = 0

-- Persistent mux: panes/workspaces survive GUI close; dmenu `wezterm start` reconnects.
-- Closing the window (Hyprland Super+Q) detaches the GUI instead of cycling workspaces.
config.unix_domains = {
  { name = 'unix' },
}
config.default_gui_startup_args = { 'connect', 'unix' }

-- Match ~/.config/ghostty/config (Synthwave Everything + Berkeley Mono)
-- Berkeley Mono Variable: avoid berkeley_mono.ttf (underscore) — it resolves to oblique.
-- Use berkeley-mono.ttf only via ConfigDirsOnly.
config.font_locator = 'ConfigDirsOnly'
config.font_dirs = { '/home/alejandro/.config/wezterm/fonts' }
config.font = wezterm.font_with_fallback {
  { family = 'Berkeley Mono Variable', weight = 'DemiBold', style = 'Normal' },
  'GeistMono Nerd Font Mono',
  'Noto Sans Symbols 2',
}
config.warn_about_missing_glyphs = false
config.cell_width = 0.92
config.line_height = 1.0
config.font_size = 12.0

config.colors = {
  foreground = '#f0eff1',
  background = '#2a2139',
  cursor_bg = '#72f1b8',
  cursor_fg = '#1a1a1a',
  cursor_border = '#72f1b8',
  selection_bg = '#181521',
  selection_fg = '#f0eff1',
  split = '#6d77b3',
  scrollbar_thumb = '#6d77b3',
  ansi = {
    '#fefefe',
    '#f97e72',
    '#72f1b8',
    '#fede5d',
    '#6d77b3',
    '#c792ea',
    '#f772e0',
    '#fefefe',
  },
  brights = {
    '#fefefe',
    '#f88414',
    '#72f1b8',
    '#fff951',
    '#36f9f6',
    '#e1acff',
    '#f92aad',
    '#fefefe',
  },
  tab_bar = {
    background = '#2a2139',
    active_tab = {
      bg_color = '#181521',
      fg_color = '#72f1b8',
      intensity = 'Bold',
    },
    inactive_tab = {
      bg_color = '#2a2139',
      fg_color = '#6d77b3',
    },
    inactive_tab_hover = {
      bg_color = '#181521',
      fg_color = '#c792ea',
    },
    new_tab = {
      bg_color = '#2a2139',
      fg_color = '#c792ea',
    },
    new_tab_hover = {
      bg_color = '#181521',
      fg_color = '#72f1b8',
    },
  },
}

config.default_cursor_style = 'BlinkingBar'
config.window_padding = { left = 0, right = 0, top = 0, bottom = 0 }
config.window_decorations = 'NONE'
config.pane_focus_follows_mouse = true
-- copy-on-select: not a config field on this build; select + middle-click or Ctrl+Shift+C
config.use_fancy_tab_bar = false
config.show_tab_index_in_tab_bar = false
config.tab_max_width = 36

local HOME = os.getenv('HOME') or ''

local shell_titles = {
  [''] = true,
  zsh = true,
  bash = true,
  sh = true,
  fish = true,
}

local function path_from_cwd(cwd)
  if cwd == nil then
    return nil
  end
  if type(cwd) == 'userdata' or type(cwd) == 'table' then
    if cwd.file_path and cwd.file_path ~= '' then
      return cwd.file_path
    end
    if cwd.path and cwd.path ~= '' then
      return cwd.path
    end
  end
  if type(cwd) ~= 'string' then
    return nil
  end
  local path = cwd:match('^file://[^/]+(/.+)$')
  if not path then
    path = cwd
  end
  return path:gsub('%%(%x%x)', function(hex)
    return string.char(tonumber(hex, 16))
  end)
end

local function shorten_path(path)
  if not path or path == '' then
    return nil
  end
  if HOME ~= '' and path:sub(1, #HOME) == HOME then
    path = '~' .. path:sub(#HOME + 1)
  end
  return path
end

local function tab_display_title(tab)
  local pane = tab.active_pane
  local title = pane.title or ''
  local ssh_host = pane.user_vars and pane.user_vars.ssh_host

  if ssh_host and ssh_host ~= '' then
    -- Prefer explicit tab title if set
    local custom = tab.tab_title and tab.tab_title ~= '' and tab.tab_title
    local program = not shell_titles[title] and title or nil
    local label = custom or program

    if label then
      return ssh_host .. ' · ' .. label
    end

    local cwd = path_from_cwd(pane.current_working_dir)
    local path = shorten_path(cwd)
    if path then
      return ssh_host .. '  ' .. path
    end
    return ssh_host
  end

  if tab.tab_title and tab.tab_title ~= '' then
    return tab.tab_title
  end

  if shell_titles[title] then
    local cwd = path_from_cwd(pane.current_working_dir)
    local label = shorten_path(cwd)
    if label then
      return label
    end
  end

  return title
end

-- Gap between tabs via format-tab-title (tab_bar_style fields removed in newer builds)
wezterm.on('format-tab-title', function(tab, _tabs, _panes, _config, hover, max_width)
  local bg = '#2a2139'
  local fg = '#6d77b3'
  if tab.is_active then
    bg = '#181521'
    fg = '#72f1b8'
  elseif hover then
    bg = '#181521'
    fg = '#c792ea'
  end

  local title = wezterm.truncate_right(tab_display_title(tab), max_width - 4)

  local cells = {
    { Background = { Color = '#2a2139' } },
    { Text = ' ' },
    { Background = { Color = bg } },
    { Foreground = { Color = fg } },
  }
  if tab.is_active then
    table.insert(cells, { Attribute = { Intensity = 'Bold' } })
  end
  table.insert(cells, { Text = ' ' .. title .. ' ' })
  table.insert(cells, { Background = { Color = '#2a2139' } })
  table.insert(cells, { Text = ' ' })
  return cells
end)

config.default_workspace = '1'

-- Status lives in the tab bar; keep it visible even with one tab
config.enable_tab_bar = true
config.hide_tab_bar_if_only_one_tab = false

-- Named workspaces (Ctrl+1..9, Ctrl+0 = workspace "10")
local workspace_names = { '1', '2', '3', '4', '5', '6', '7', '8', '9', '10' }
local workspace_keys = { '1', '2', '3', '4', '5', '6', '7', '8', '9', '0' }

local workspace_slots = {}
for _, name in ipairs(workspace_names) do
  workspace_slots[name] = true
end

local function kill_workspace(workspace)
  local success, stdout =
    wezterm.run_child_process { 'wezterm', 'cli', 'list', '--format=json' }
  if not success or stdout == '' then
    return
  end

  local ok, panes = pcall(wezterm.json_parse, stdout)
  if not ok or not panes then
    return
  end

  for _, p in ipairs(panes) do
    if p.workspace == workspace then
      wezterm.run_child_process {
        'wezterm',
        'cli',
        'kill-pane',
        '--pane-id=' .. tostring(p.pane_id),
      }
    end
  end
end

-- Workspace numbers on the right (same colors as tabs; plain string + ANSI on this build)
local FG_ACTIVE = '\x1b[38;2;114;241;184m' -- #72f1b8
local FG_INACTIVE = '\x1b[38;2;109;119;179m' -- #6d77b3
local ATTR_BOLD = '\x1b[1m'
local ATTR_RESET = '\x1b[0m'

local function workspace_status(window)
  local active = window:active_workspace()
  local names = wezterm.mux.get_workspace_names()
  local name_set = {}
  for _, n in ipairs(names) do
    name_set[n] = true
  end

  local chunks = {}
  local has_slot = false

  for _, slot in ipairs(workspace_names) do
    if name_set[slot] then
      has_slot = true
      if #chunks > 0 then
        table.insert(chunks, ' ')
      end
      if slot == active then
        table.insert(chunks, FG_ACTIVE .. ATTR_BOLD .. slot)
      else
        table.insert(chunks, FG_INACTIVE .. slot)
      end
    end
  end

  if not has_slot then
    return FG_ACTIVE .. ATTR_BOLD .. active .. ATTR_RESET
  end
  return table.concat(chunks, '') .. ATTR_RESET
end

wezterm.on('update-status', function(window, _pane)
  local ok, status = pcall(workspace_status, window)
  if ok and status and status ~= '' then
    window:set_right_status(status)
  else
    window:set_right_status(FG_ACTIVE .. ATTR_BOLD .. window:active_workspace() .. ATTR_RESET)
  end
end)

config.keys = {}

for i, key in ipairs(workspace_keys) do
  table.insert(config.keys, {
    key = key,
    mods = 'CTRL',
    action = act.SwitchToWorkspace { name = workspace_names[i] },
  })
end

-- Fuzzy picker: all workspaces (create/switch)
table.insert(config.keys, {
  key = 'w',
  mods = 'CTRL|SHIFT',
  action = act.ShowLauncherArgs { flags = 'FUZZY|WORKSPACES' },
})

-- Cycle workspaces (lexicographic order of names)
table.insert(config.keys, {
  key = 'n',
  mods = 'CTRL|SHIFT',
  action = act.SwitchWorkspaceRelative(1),
})
table.insert(config.keys, {
  key = 'p',
  mods = 'CTRL|SHIFT',
  action = act.SwitchWorkspaceRelative(-1),
})

-- Kill all panes in the current workspace
table.insert(config.keys, {
  key = 'k',
  mods = 'CTRL|SHIFT',
  action = wezterm.action_callback(function(window, _pane)
    kill_workspace(window:active_workspace())
  end),
})

-- New workspace: prompt for name
table.insert(config.keys, {
  key = 'i',
  mods = 'CTRL|SHIFT',
  action = act.PromptInputLine {
    description = 'New workspace name',
    action = wezterm.action_callback(function(window, pane, line)
      if line and line ~= '' then
        window:perform_action(act.SwitchToWorkspace { name = line }, pane)
      end
    end),
  },
})

-- Alt+1..9, Alt+0 = tab index 0..9
for i = 0, 9 do
  local key = i == 9 and '0' or tostring(i + 1)
  table.insert(config.keys, {
    key = key,
    mods = 'ALT',
    action = act.ActivateTab(i),
  })
end

return config