dotfiles/wezterm/wezterm.lua

-- Ctrl+Shift+R to force config reload
-- Ctrl+Shift+L to enter WezTerm REPL/Console
-- Ctrl+Shift+P to bring up WezTerm command palette
-- wezterm.log_info("debug")

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

config.initial_cols = 150
config.initial_rows = 48
config.scrollback_lines = 10000

config.hide_tab_bar_if_only_one_tab = true
config.tab_bar_at_bottom = true
config.use_fancy_tab_bar = false
config.show_new_tab_button_in_tab_bar = true
config.tab_max_width = 32
config.enable_scroll_bar = true
config.window_background_opacity = 0.8
config.window_padding = {
	left = 0,
	right = 0,
	top = 0,
	bottom = 0,
}
config.use_resize_increments = true

config.colors = {
	foreground = "#ffffff",
	background = "#000000",
	cursor_fg = "#000000",
	cursor_bg = "#ffffff",
	cursor_border = "#ffffff",
	ansi = {
		"#171421", -- black
		"#c01c28", -- red
		"#26a269", -- green
		"#a2734c", -- yellow
		"#12488b", -- blue
		"#a347ba", -- magenta
		"#2aa1b3", -- cyan
		"#d0cfcc", -- white
	},
	brights = {
		"#5e5c64", -- black
		"#f66151", -- red
		"#33d17a", -- green
		"#e9ad0c", -- yellow
		"#2a7bde", -- blue
		"#c061cb", -- magenta
		"#33c7de", -- cyan
		"#ffffff", -- white
	},
	tab_bar = {
		active_tab = {
			fg_color = "#33e7de",
			bg_color = "#000000",
		},
	},
	scrollbar_thumb = "#888888",
}
-- config.color_scheme = "Gnometerm (terminal.sexy)"

config.font = wezterm.font({
	family = "Cascadia Mono",
	harfbuzz_features = { "calt=0", "clig=0", "liga=0" },
})
config.font_size = 12
config.line_height = 1.0
config.freetype_load_target = "Light"

config.keys = {
	{
		key = "V",
		mods = "CTRL|SHIFT|ALT",
		action = wezterm.action.SplitVertical({ domain = "CurrentPaneDomain" }),
	},
	{
		key = "H",
		mods = "CTRL|SHIFT|ALT",
		action = wezterm.action.SplitHorizontal({ domain = "CurrentPaneDomain" }),
	},
	{
		key = "Q",
		mods = "CTRL|SHIFT|ALT",
		action = wezterm.action.CloseCurrentPane({ confirm = true }),
	},
	{
		key = "F",
		mods = "CTRL|SHIFT",
		action = wezterm.action.Search({ CaseInSensitiveString = "" }),
	},
}

--------------------------------------------------------------------------------
-- borrowed from: https://github.com/protiumx/.dotfiles/blob/main/stow/wezterm/.config/wezterm/wezterm.lua

-- wezterm.nerdfonts reference: https://wezfurlong.org/wezterm/config/lua/wezterm/nerdfonts.html
local process_icons = {
	["bash"] = wezterm.nerdfonts.dev_terminal,
	["btop"] = wezterm.nerdfonts.md_chart_bar,
	["cargo"] = wezterm.nerdfonts.dev_rust,
	["clj"] = wezterm.nerdfonts.dev_clojure,
	["clojure"] = wezterm.nerdfonts.dev_clojure,
	["curl"] = wezterm.nerdfonts.mdi_flattr,
	["docker"] = wezterm.nerdfonts.linux_docker,
	["docker-compose"] = wezterm.nerdfonts.linux_docker,
	["emacs"] = wezterm.nerdfonts.custom_emacs,
	["emacs-29"] = wezterm.nerdfonts.custom_emacs,
	["git"] = wezterm.nerdfonts.dev_git,
	["go"] = wezterm.nerdfonts.seti_go,
	["htop"] = wezterm.nerdfonts.md_chart_bar,
	["java"] = wezterm.nerdfonts.dev_java,
	["kubectl"] = wezterm.nerdfonts.linux_docker,
	["lein"] = wezterm.nerdfonts.dev_clojure,
	["less"] = wezterm.nerdfonts.md_less_than,
	["lua"] = wezterm.nerdfonts.seti_lua,
	["make"] = wezterm.nerdfonts.seti_makefile,
	["man"] = wezterm.nerdfonts.fa_book,
	["nano"] = wezterm.nerdfonts.md_file_edit,
	["node"] = wezterm.nerdfonts.mdi_hexagon,
	["nvim"] = wezterm.nerdfonts.custom_neovim,
	["perl"] = wezterm.nerdfonts.seti_perl,
	["psql"] = "󱤢",
	["python3"] = "",
	["Python"] = "",
	["ruby"] = wezterm.nerdfonts.cod_ruby,
	["ssh"] = wezterm.nerdfonts.md_server,
	["ssh-add"] = wezterm.nerdfonts.md_server,
	["stern"] = wezterm.nerdfonts.linux_docker,
	["sudo"] = wezterm.nerdfonts.fa_hashtag,
	["vim"] = wezterm.nerdfonts.dev_vim,
	["wget"] = wezterm.nerdfonts.mdi_arrow_down_box,
}

local process_use_suggested_title = {
	["ssh"] = true,
}

local function get_suggested_tab_title(tab_info)
	local title = tab_info.tab_title
	if title and #title > 0 then
		return title
	end
	return tab_info.active_pane.title
end

local function get_current_working_dir(tab)
	local current_dir = tab.active_pane and tab.active_pane.current_working_dir or { file_path = "" }
	local HOME_DIR = os.getenv("HOME")

	return current_dir.file_path == HOME_DIR and "~" or string.gsub(current_dir.file_path, "(.*[/\\])(.*)", "%2")
end

local function get_process(tab)
	if not tab.active_pane or tab.active_pane.foreground_process_name == "" then
		return nil
	end

	local process_name = string.gsub(tab.active_pane.foreground_process_name, "(.*[/\\])(.*)", "%2")
	if string.find(process_name, "kubectl") then
		process_name = "kubectl"
	end
	if string.find(process_name, "python3") then
		process_name = "python3"
	end

	return {
		Icon = process_icons[process_name] or string.format("[%s]", process_name),
		Process = process_name,
	}
end

local SOLID_LEFT_ARROW = wezterm.nerdfonts.pl_right_hard_divider
local SOLID_RIGHT_ARROW = wezterm.nerdfonts.pl_left_hard_divider

wezterm.on("format-tab-title", function(tab, tabs, panes, config, hover, max_width)
	local has_unseen_output = false
	if not tab.is_active then
		for _, pane in ipairs(tab.panes) do
			if pane.has_unseen_output then
				has_unseen_output = true
				break
			end
		end
	end

	local cwd = wezterm.format({
		{ Text = get_current_working_dir(tab) },
	})

	local process = get_process(tab)

	local title
	if process then
		local icon = process.Icon or string.format("[%s]", process.Process)
		if process_use_suggested_title[process.Process] then
			title = string.format(" %s %s ", icon, get_suggested_tab_title(tab))
		else
			title = string.format(" %s (%s) ", icon, cwd)
		end
	else
		title = string.format(" %s %s ", wezterm.nerdfonts.cod_terminal_bash, get_suggested_tab_title(tab))
	end

	if has_unseen_output then
		return {
			{ Foreground = { Color = "#ffffff" } },
			{ Text = title },
		}
	end

	return {
		{ Text = title },
	}
end)

--------------------------------------------------------------------------------

local act = wezterm.action

-- Some stuff below borrowed from comments here: https://github.com/wez/wezterm/issues/119
config.mouse_bindings = {
	{
		event = { Up = { streak = 1, button = "Left" } },
		mods = "NONE",
		action = act.CompleteSelection("PrimarySelection"),
	},

	-- ctrl+click to open urls, etc.
	{
		event = { Up = { streak = 1, button = "Left" } },
		mods = "CTRL",
		action = act.OpenLinkAtMouseCursor,
	},
	-- prevents weird behaviours from occuring given the about ctrl+click binding
	{
		event = { Down = { streak = 1, button = "Left" } },
		mods = "CTRL",
		action = act.Nop,
	},
}

--------------------------------------------------------------------------------

-- copied from https://github.com/wez/wezterm/issues/4331
-- however it has some issues, seems to reset color theme to default?

-- wezterm.on("update-status", function(window, pane)
-- 	local overrides = window:get_config_overrides() or {}
-- 	if not overrides.colors then
-- 		overrides.colors = {}
-- 	end
-- 	if pane:is_alt_screen_active() then
-- 		overrides.colors.scrollbar_thumb = "transparent"
-- 	else
-- 		overrides.colors.scrollbar_thumb = nil
-- 	end
-- 	window:set_config_overrides(overrides)
-- end)

return config