nixos-config/home-manager/wezterm.lua

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

act = wezterm.action

config.color_scheme = 'Gruvbox dark, hard (base16)'
config.use_fancy_tab_bar = false
config.hide_tab_bar_if_only_one_tab = true

config.window_padding = {
  left   = 4,
  right  = 4,
  top    = 4,
  bottom = 4,
}

config.inactive_pane_hsb = {
  saturation = 0.9,
  brightness = 0.8,
}

config.window_background_opacity = 0.95
config.colors = { tab_bar = { background = 'rgba(29, 32, 33, 95%)' } }


font = wezterm.font_with_fallback {
  'SAX2 Nerd Font',
  'Fira Code',
  'Noto Mono',
}

config.font = font

config.font_rules = {
  {
    italic = true,
    font = font,
  }
}

config.adjust_window_size_when_changing_font_size = false

config.leader = { key = 'a', mods = 'CTRL', timeout_milliseconds = 700 }

config.keys = {
  {
    key = 'a',
    mods = 'LEADER|CTRL',
    action = act.SendKey { key = 'a', mods = 'CTRL' },
  },
  {
    key = 'c',
    mods = 'LEADER',
    action = act.SpawnTab "CurrentPaneDomain",
  },
  {
    key = 'n',
    mods = 'LEADER',
    action = act.ActivateTabRelative(1),
  },
  {
    key = 'p',
    mods = 'LEADER',
    action = act.ActivateTabRelative(-1),
  },
}

for i = 1, 8 do
  table.insert(config.keys, {
    key = tostring(i),
    mods = 'ALT',
    action = act.ActivateTab(i - 1),
  })
end

for key, dir in pairs({ h = 'Left', j = 'Down', k = 'Up', l = 'Right' }) do
  table.insert(config.keys, {
    key = key,
    mods = 'ALT',
    action = act.AdjustPaneSize { dir, 1 },
  })
  table.insert(config.keys, {
    key = key,
    mods = 'CTRL',
    action = act.ActivatePaneDirection(dir),
  })
  table.insert(config.keys, {
    key = key,
    mods = 'LEADER',
    action = act.SplitPane { direction = dir },
  })
end

return config