nixos-config/home/config-files/wezterm.lua

local wezterm = require 'wezterm'

local config = {}

function getHostname()
	local handle = io.popen("hostname -s")
	local result = handle:read("*a")
	handle:close()
	return string.gsub(result, "\n$", "")
end

local HOSTNAME = getHostname()

config.color_scheme = "Apathy (base16)"
-- config.font = wezterm.font 'Hack Nerd Font Mono'
config.font = wezterm.font 'Hasklug Nerd Font Mono'
if getHostname() == "lilith" or getHostname() == "alastor" then
	config.font_size = 15
else
	config.font_size = 11
end
if os.getenv("DESKTOP_SESSION") == "plasma" or os.getenv("DESKTOP_SESSION") == "plasmax11" then
	config.window_background_opacity = 1
elseif os.getenv("XDG_CURRENT_DESKTOP") == "sway" or os.getenv("XDG_CURRENT_DESKTOP") == "Hyprland" then
	config.window_background_opacity = 1 
else
	config.window_background_opacity = .8
end
config.macos_window_background_blur = 10
config.keys = {
	{
		key = 't',
		mods = 'CTRL',
		action = wezterm.action.SpawnTab 'DefaultDomain',
	},
	{
		key = 's',
		mods = 'CTRL | SHIFT',
		action = wezterm.action.PaneSelect
	},
	{
		key = "LeftArrow",
		mods = 'CTRL | ALT | SHIFT',
		action = wezterm.action.AdjustPaneSize {
			'Left',
			5
		},
	},
	{
		key = "RightArrow",
		mods = 'CTRL | ALT | SHIFT',
		action = wezterm.action.AdjustPaneSize {
			'Right',
			5
		},
	},
	{
		key = "UpArrow",
		mods = 'CTRL | ALT | SHIFT',
		action = wezterm.action.AdjustPaneSize {
			'Up',
			5
		},
	},
	{
		key = "DownArrow",
		mods = 'CTRL | ALT | SHIFT',
		action = wezterm.action.AdjustPaneSize {
			'Down',
			5
		},
	},
	{
		key = "h",
		mods = 'CTRL | SHIFT',
		action = wezterm.action.SplitPane {
			direction = 'Left',
		},
	},
	{
		key = "l",
		mods = 'CTRL | SHIFT',
		action = wezterm.action.SplitPane {
			direction = 'Right',
		},
	},
	{
		key = "k",
		mods = 'CTRL | SHIFT',
		action = wezterm.action.SplitPane {
			direction = 'Up',
		},
	},
	{
		key = "j",
		mods = 'CTRL | SHIFT',
		action = wezterm.action.SplitPane {
			direction = 'Down',
		},
	},
}

for i = 1, 8 do
	-- CTRL+ALT + number to activate that tab
	table.insert(config.keys, {
		key = tostring(i),
		mods = 'CTRL',
		action = wezterm.action.ActivateTab(i - 1),
	})
end

wezterm.on('update-status', function(window, pane)
	local date = wezterm.strftime '%a %b %-d %H:%M:%S |'

	local bat = ''
	for _, b in ipairs(wezterm.battery_info()) do
		-- bat = '|🔋 ' .. string.format('%.0f%%', b.state_of_charge * 100) .. ' | '
		bat = '| BAT ' .. string.format('%.0f%%', b.state_of_charge * 100) .. ' | '
	end

	window:set_right_status(wezterm.format {
		{ Text = bat .. date .. '🏴 🏳️‍⚧️' },
	})
end)
wezterm.on('update-status', function(window, pane)
	window:set_left_status(wezterm.format {
		{ Text = '| λ |' },
	})
end)

config.front_end = 'OpenGL'
for _, gpu in ipairs(wezterm.gui.enumerate_gpus()) do
	if gpu.backend == 'Vulkan' and gpu.device_type == 'IntegratedGpu' or gpu.device_type == "DiscreteGpu" then
		config.webgpu_preferred_adapter = gpu
		config.front_end = 'WebGpu'
		break
	end
end

if HOSTNAME == 'asmodeus' then
	config.enable_wayland = false
else
	config.enable_wayland = false
end

config.hide_tab_bar_if_only_one_tab = false
config.use_fancy_tab_bar = false
config.text_background_opacity = 0.3
config.enable_scroll_bar = false
config.enable_tab_bar = true
config.tab_bar_at_bottom = true
config.hide_mouse_cursor_when_typing = false
config.warn_about_missing_glyphs = false
return config