wezterm.lua

local wezterm = require("wezterm")
local act = wezterm.action

local config = {}
-- Use config builder object if possible
if wezterm.config_builder then
	config = wezterm.config_builder()
end

config.color_scheme = "Tokyo Night"
config.font_size = 13
config.window_background_opacity = 1
config.window_close_confirmation = "AlwaysPrompt"
config.default_domain = "WSL:openSUSE-Tumbleweed"
config.scrollback_lines = 3000
config.window_decorations = "INTEGRATED_BUTTONS|RESIZE"
config.default_workspace = "main"

wezterm.on("gui-startup", function()
	local tab, pane, window = wezterm.mux.spawn_window({})
	window:gui_window():maximize()
end)

-- Dim inactive panes
config.inactive_pane_hsb = {
	saturation = 0.8,
	brightness = 0.8,
}

-- Keys
config.leader = { key = "q", mods = "CTRL", timeout_milliseconds = 1000 }
config.keys = {
	{ key = "q", mods = "LEADER|CTRL", action = act.SendKey({ key = "q", mods = "CTRL" }) },
	{ key = "c", mods = "LEADER", action = act.ActivateCopyMode },
	{ key = "phys:Space", mods = "LEADER", action = act.ActivateCommandPalette },

	-- Pane keybindings
	{ key = "v", mods = "LEADER", action = act.SplitVertical({ domain = "CurrentPaneDomain" }) },
	{ key = "s", mods = "LEADER", action = act.SplitHorizontal({ domain = "CurrentPaneDomain" }) },
	{ key = "h", mods = "LEADER", action = act.ActivatePaneDirection("Left") },
	{ key = "j", mods = "LEADER", action = act.ActivatePaneDirection("Down") },
	{ key = "k", mods = "LEADER", action = act.ActivatePaneDirection("Up") },
	{ key = "l", mods = "LEADER", action = act.ActivatePaneDirection("Right") },
	{ key = "q", mods = "LEADER", action = act.CloseCurrentPane({ confirm = false }) },
	{ key = "f", mods = "LEADER", action = act.TogglePaneZoomState },
	{ key = "o", mods = "LEADER", action = act.RotatePanes("Clockwise") },

	-- Zellij like keybindings
	{ key = "n", mods = "ALT", action = act.SplitHorizontal({ domain = "CurrentPaneDomain" }) },
	{ key = "h", mods = "ALT", action = act.ActivatePaneDirection("Left") },
	{ key = "j", mods = "ALT", action = act.ActivatePaneDirection("Down") },
	{ key = "k", mods = "ALT", action = act.ActivatePaneDirection("Up") },
	{ key = "l", mods = "ALT", action = act.ActivatePaneDirection("Right") },
	-- We can make separate keybindings for resizing panes
	-- But Wezterm offers custom "mode" in the name of "KeyTable"
	{
		key = "r",
		mods = "LEADER",
		action = act.ActivateKeyTable({ name = "resize_pane", one_shot = false }),
	},

	-- Tab keybindings
	{ key = "t", mods = "LEADER", action = act.SpawnTab("CurrentPaneDomain") },
	{ key = "[", mods = "LEADER", action = act.ActivateTabRelative(-1) },
	{ key = "]", mods = "LEADER", action = act.ActivateTabRelative(1) },
	{ key = "n", mods = "LEADER", action = act.ShowTabNavigator },
	{
		key = "e",
		mods = "LEADER",
		action = act.PromptInputLine({
			description = wezterm.format({
				{ Attribute = { Intensity = "Bold" } },
				{ Foreground = { AnsiColor = "Fuchsia" } },
				{ Text = "Renaming Tab Title...:" },
			}),
			action = wezterm.action_callback(function(window, pane, line)
				if line then
					window:active_tab():set_title(line)
				end
			end),
		}),
	},
	-- Key table for moving tabs around
	{ key = "m", mods = "LEADER", action = act.ActivateKeyTable({ name = "move_tab", one_shot = false }) },
	-- Or shortcuts to move tab w/o move_tab table. SHIFT is for when caps lock is on
	{ key = "{", mods = "LEADER|SHIFT", action = act.MoveTabRelative(-1) },
	{ key = "}", mods = "LEADER|SHIFT", action = act.MoveTabRelative(1) },

	-- Lastly, workspace
	{ key = "w", mods = "LEADER", action = act.ShowLauncherArgs({ flags = "FUZZY|WORKSPACES" }) },
}
-- I can use the tab navigator (LDR t), but I also want to quickly navigate tabs with index
for i = 1, 9 do
	table.insert(config.keys, {
		key = tostring(i),
		mods = "LEADER",
		action = act.ActivateTab(i - 1),
	})
end

config.key_tables = {
	resize_pane = {
		{ key = "h", action = act.AdjustPaneSize({ "Left", 1 }) },
		{ key = "j", action = act.AdjustPaneSize({ "Down", 1 }) },
		{ key = "k", action = act.AdjustPaneSize({ "Up", 1 }) },
		{ key = "l", action = act.AdjustPaneSize({ "Right", 1 }) },
		{ key = "Escape", action = "PopKeyTable" },
		{ key = "Enter", action = "PopKeyTable" },
	},
	move_tab = {
		{ key = "h", action = act.MoveTabRelative(-1) },
		{ key = "j", action = act.MoveTabRelative(-1) },
		{ key = "k", action = act.MoveTabRelative(1) },
		{ key = "l", action = act.MoveTabRelative(1) },
		{ key = "Escape", action = "PopKeyTable" },
		{ key = "Enter", action = "PopKeyTable" },
	},
}

-- Tab bar
-- I don't like the look of "fancy" tab bar
config.use_fancy_tab_bar = false
config.status_update_interval = 1000
config.tab_bar_at_bottom = false
wezterm.on("update-status", function(window, pane)
	-- Workspace name
	local stat = window:active_workspace()
	local stat_color = "#f7768e"
	-- It's a little silly to have workspace name all the time
	-- Utilize this to display LDR or current key table name
	if window:active_key_table() then
		stat = window:active_key_table()
		stat_color = "#7dcfff"
	end
	if window:leader_is_active() then
		stat = "LDR"
		stat_color = "#bb9af7"
	end

	local basename = function(s)
		-- Nothing a little regex can't fix
		return string.gsub(s, "(.*[/\\])(.*)", "%2")
	end

	-- Current working directory
	local cwd = pane:get_current_working_dir()
	if cwd then
		if type(cwd) == "userdata" then
			-- Wezterm introduced the URL object in 20240127-113634-bbcac864
			cwd = basename(cwd.file_path)
		else
			-- 20230712-072601-f4abf8fd or earlier version
			cwd = basename(cwd)
		end
	else
		cwd = ""
	end

	-- Current command
	local cmd = pane:get_foreground_process_name()
	-- CWD and CMD could be nil (e.g. viewing log using Ctrl-Alt-l)
	cmd = cmd and basename(cmd) or ""

	-- Time
	local time = wezterm.strftime("%H:%M")

	-- Left status (left of the tab line)
	window:set_left_status(wezterm.format({
		{ Foreground = { Color = stat_color } },
		{ Text = "  " },
		{ Text = wezterm.nerdfonts.oct_table .. "  " .. stat },
		{ Text = " |" },
	}))
end)

-- config.window_frame = {
-- 	font = wezterm.font({ family = "JetBrains Mono", weight = "Bold" }),
--
-- 	-- The size of the font in the tab bar.
-- 	-- Default to 10.0 on Windows but 12.0 on other systems
-- 	font_size = 11.0,
--
-- 	-- The overall background color of the tab bar when
-- 	-- the window is focused
-- 	active_titlebar_bg = "#1a1b26",
--
-- 	-- The overall background color of the tab bar when
-- 	-- the window is not focused
-- 	inactive_titlebar_bg = "#1a1b26",
-- }
--
-- config.colors = {
-- 	tab_bar = {
-- 		-- The color of the inactive tab bar edge/divider
-- 		inactive_tab_edge = "#1a1b26",
-- 	},
-- }

return config