nix-config/rsc/config/awesome/rc.lua

-- If LuaRocks is installed, make sure that packages installed through it are
-- found (e.g. lgi). If LuaRocks is not installed, do nothing.
pcall(require, "luarocks.loader")

-- Standard awesome library
local gears = require("gears")
local awful = require("awful")
require("awful.autofocus")
-- Widget and layout library
local wibox = require("wibox")
-- Theme handling library
local beautiful = require("beautiful")
-- Notification library
local naughty = require("naughty")
local menubar = require("menubar")
local hotkeys_popup = require("awful.hotkeys_popup")
-- Enable hotkeys help widget for VIM and other apps
-- when client with a matching name is opened:
require("awful.hotkeys_popup.keys")
local lain = require("lain")
local theme = require("theme")
local autostart = require("autostart")

-- {{{ Error handling
-- Check if awesome encountered an error during startup and fell back to
-- another config (This code will only ever execute for the fallback config)
if awesome.startup_errors then
	naughty.notify({
		preset = naughty.config.presets.critical,
		title = "Oops, there were errors during startup!",
		text = awesome.startup_errors,
	})
end

-- Handle runtime errors after startup
do
	local in_error = false
	awesome.connect_signal("debug::error", function(err)
		-- Make sure we don't go into an endless error loop
		if in_error then
			return
		end
		in_error = true

		naughty.notify({
			preset = naughty.config.presets.critical,
			title = "Oops, an error happened!",
			text = tostring(err),
		})
		in_error = false
	end)
end
-- }}}

-- {{{ Variable definitions
-- Themes define colours, icons, font and wallpapers.
beautiful.init(gears.filesystem.get_configuration_dir() .. "theme.lua")

-- This is used later as the default terminal and editor to run.
terminal = "wezterm"
editor = os.getenv("EDITOR") or "nvim"
editor_cmd = terminal .. " -e " .. editor

-- Default modkey.
-- Usually, Mod4 is the key with a logo between Control and Alt.
-- If you do not like this or do not have such a key,
-- I suggest you to remap Mod4 to another key using xmodmap or other tools.
-- However, you can use another modifier like Mod1, but it may interact with others.
modkey = "Mod4"

-- Table of layouts to cover with awful.layout.inc, order matters.
awful.layout.layouts = {
	awful.layout.suit.tile, -- awful.layout.suit.spiral
	-- awful.layout.suit.tile.left,
	-- awful.layout.suit.tile.bottom,
	-- awful.layout.suit.tile.top,
	-- awful.layout.suit.fair,
	-- awful.layout.suit.fair.horizontal,
	-- awful.layout.suit.spiral.dwindle,
	-- awful.layout.suit.max,
	-- awful.layout.suit.max.fullscreen,
	-- awful.layout.suit.magnifier,
	-- awful.layout.suit.corner.nw,
	-- awful.layout.suit.corner.ne,
	-- awful.layout.suit.corner.sw,
	-- awful.layout.suit.corner.se,
}
-- }}}

-- {{{ Wibar
-- Create a textclock widget
local clockicon = wibox.widget.imagebox(theme.widget_clock)
local clock = awful.widget.textclock(" %H:%M")

local calendaricon = wibox.widget.imagebox(theme.widget_calendar)
local calendar = awful.widget.textclock(" %a, %d. %b")

local memicon = wibox.widget.imagebox(theme.widget_mem)
local mem = lain.widget.mem({
	settings = function()
		widget:set_markup(" " .. string.format("%.2f", mem_now.used / 1024) .. "GiB")
	end,
})

local cpuicon = wibox.widget.imagebox(theme.widget_cpu)
local cpu = lain.widget.cpu({
	settings = function()
		widget:set_markup(" " .. cpu_now.usage .. "%")
	end,
})

local baticon = wibox.widget.imagebox(theme.widget_bat)
local bat = lain.widget.bat({
	settings = function()
		widget:set_markup(" " .. bat_now.perc .. "%")
	end,
})

-- Create a wibox for each screen and add it
local taglist_buttons = gears.table.join(
	awful.button({}, 1, function(t)
		t:view_only()
	end),
	awful.button({ modkey }, 1, function(t)
		if client.focus then
			client.focus:move_to_tag(t)
		end
	end),
	awful.button({}, 3, awful.tag.viewtoggle),
	awful.button({ modkey }, 3, function(t)
		if client.focus then
			client.focus:toggle_tag(t)
		end
	end),
	awful.button({}, 4, function(t)
		awful.tag.viewnext(t.screen)
	end),
	awful.button({}, 5, function(t)
		awful.tag.viewprev(t.screen)
	end)
)

local tasklist_buttons = gears.table.join(
	awful.button({}, 1, function(c)
		if c == client.focus then
			c.minimized = true
		else
			c:emit_signal("request::activate", "tasklist", {
				raise = true,
			})
		end
	end),
	awful.button({}, 3, function()
		awful.menu.client_list({
			theme = {
				width = 250,
			},
		})
	end),
	awful.button({}, 4, function()
		awful.client.focus.byidx(1)
	end),
	awful.button({}, 5, function()
		awful.client.focus.byidx(-1)
	end)
)

local function set_wallpaper(s)
	-- Wallpaper
	if beautiful.wallpaper then
		local wallpaper = beautiful.wallpaper
		-- If wallpaper is a function, call it with the screen
		if type(wallpaper) == "function" then
			wallpaper = wallpaper(s)
		end
		gears.wallpaper.centered(wallpaper, s)
	end
end

-- Re-set wallpaper when a screen's geometry changes (e.g. different resolution)
screen.connect_signal("property::geometry", set_wallpaper)

awful.screen.connect_for_each_screen(function(s)
	-- Wallpaper
	set_wallpaper(s)

	-- Each screen has its own tag table.
	awful.tag({ "1", "2", "3", "4", "5", "6", "7", "8", "9" }, s, awful.layout.layouts[1])

	-- Create a promptbox for each screen
	s.mypromptbox = awful.widget.prompt()
	-- Create an imagebox widget which will contain an icon indicating which layout we're using.
	-- We need one layoutbox per screen.
	s.mylayoutbox = awful.widget.layoutbox(s)
	s.mylayoutbox:buttons(gears.table.join(
		awful.button({}, 1, function()
			awful.layout.inc(1)
		end),
		awful.button({}, 3, function()
			awful.layout.inc(-1)
		end),
		awful.button({}, 4, function()
			awful.layout.inc(1)
		end),
		awful.button({}, 5, function()
			awful.layout.inc(-1)
		end)
	))
	-- Create a taglist widget
	s.mytaglist = awful.widget.taglist({
		screen = s,
		filter = awful.widget.taglist.filter.all,
		buttons = taglist_buttons,
	})

	-- Create a tasklist widget
	s.mytasklist = awful.widget.tasklist({
		screen = s,
		filter = awful.widget.tasklist.filter.currenttags,
		buttons = tasklist_buttons,
	})

	-- Create the wibox
	s.mywibox = awful.wibar({
		position = "top",
		screen = s,
		bg = theme.bg_normal,
		fg = theme.fg_normal,
	})

	local systray = wibox.widget.systray()
	local tray = wibox.widget({
		systray,
		valign = "center",
		halign = "center",
		widget = wibox.container.place,
	})

	local cpuiconContainer = wibox.widget({
		cpuicon,
		valign = "center",
		halign = "center",
		widget = wibox.container.place,
	})

	local baticonContainer = wibox.widget({
		baticon,
		valign = "center",
		halign = "center",
		widget = wibox.container.place,
	})

	local memiconContainer = wibox.widget({
		memicon,
		valign = "center",
		halign = "center",
		widget = wibox.container.place,
	})

	local clockiconContainer = wibox.widget({
		clockicon,
		valign = "center",
		halign = "center",
		widget = wibox.container.place,
	})

	local calendariconContainer = wibox.widget({
		calendaricon,
		valign = "center",
		halign = "center",
		widget = wibox.container.place,
	})

	local separator = wibox.widget({
		markup = " | ",
		align = "center",
		valign = "center",
		widget = wibox.widget.textbox,
	})

	local l_separator = wibox.widget({
		markup = " [ ",
		align = "center",
		valign = "center",
		widget = wibox.widget.textbox,
	})

	local m_separator = wibox.widget({
		markup = " ][ ",
		align = "center",
		valign = "center",
		widget = wibox.widget.textbox,
	})

	local r_separator = wibox.widget({
		markup = " ] ",
		align = "center",
		valign = "center",
		widget = wibox.widget.textbox,
	})

	systray.base_size = s.mywibox.height * 0.6

	clockicon.forced_height = s.mywibox.height * 0.7
	clockicon.forced_width = s.mywibox.height * 0.7

	calendaricon.forced_height = s.mywibox.height * 0.7
	calendaricon.forced_width = s.mywibox.height * 0.7

	memicon.forced_height = s.mywibox.height * 0.7
	memicon.forced_width = s.mywibox.height * 0.7

	cpuicon.forced_height = s.mywibox.height * 0.7
	cpuicon.forced_width = s.mywibox.height * 0.7

	baticon.forced_height = s.mywibox.height * 0.7
	baticon.forced_width = s.mywibox.height * 0.7

	-- Add widgets to the wibox
	s.mywibox:setup({
		layout = wibox.layout.align.horizontal,
		{ -- Left widgets
			layout = wibox.layout.fixed.horizontal,
			s.mytaglist,
			s.mypromptbox,
		},
		s.mytasklist, -- Middle widget
		{ -- Right widgets
			layout = wibox.layout.fixed.horizontal,
			tray,
			separator,
			memiconContainer,
			mem,
			separator,
			cpuiconContainer,
			cpu,
			separator,
			-- baticonContainer,
			-- bat,
			-- separator,
			calendariconContainer,
			calendar,
			separator,
			clockiconContainer,
			clock,
			separator,
		},
	})
end)

-- }}}

client.connect_signal("property::maximized", function(c)
	if c.maximized then
		c.maximized = false
	end
end)

-- {{{ Key bindings
globalkeys = gears.table.join(
	awful.key({ modkey }, "x", function()
		awful.util.spawn("/home/ghoscht/.config/rofi/powermenu/type-2/powermenu.sh")
	end, {
		description = "Rofi powermenu",
		group = "launcher",
	}),
	awful.key({ modkey }, "space", function()
		awful.util.spawn("rofi -i -show drun -modi drun -show-icons")
	end, {
		description = "Rofi application menu",
		group = "launcher",
	}),
	awful.key({ modkey }, "s", hotkeys_popup.show_help, {
		description = "show help",
		group = "awesome",
	}),
	awful.key({ modkey }, "Left", awful.tag.viewprev, {
		description = "view previous",
		group = "tag",
	}),
	awful.key({ modkey }, "Right", awful.tag.viewnext, {
		description = "view next",
		group = "tag",
	}),
	awful.key({ modkey }, "Escape", awful.tag.history.restore, {
		description = "go back",
		group = "tag",
	}),
	awful.key({ modkey }, "j", function()
		awful.client.focus.byidx(1)
	end, {
		description = "focus next by index",
		group = "client",
	}),
	awful.key({ modkey }, "k", function()
		awful.client.focus.byidx(-1)
	end, {
		description = "focus previous by index",
		group = "client",
	}),
	awful.key({ modkey }, "w", function()
		mymainmenu:show()
	end, {
		description = "show main menu",
		group = "awesome",
	}), -- Layout manipulation
	awful.key({ modkey, "Shift" }, "j", function()
		awful.client.swap.byidx(1)
	end, {
		description = "swap with next client by index",
		group = "client",
	}),
	awful.key({ modkey, "Shift" }, "k", function()
		awful.client.swap.byidx(-1)
	end, {
		description = "swap with previous client by index",
		group = "client",
	}),
	awful.key({ modkey, "Control" }, "j", function()
		awful.screen.focus_relative(1)
	end, {
		description = "focus the next screen",
		group = "screen",
	}),
	awful.key({ modkey, "Control" }, "k", function()
		awful.screen.focus_relative(-1)
	end, {
		description = "focus the previous screen",
		group = "screen",
	}),
	awful.key({ modkey }, "u", awful.client.urgent.jumpto, {
		description = "jump to urgent client",
		group = "client",
	}),
	awful.key({ modkey }, "Tab", function()
		awful.client.focus.history.previous()
		if client.focus then
			client.focus:raise()
		end
	end, {
		description = "go back",
		group = "client",
	}), -- Standard program
	awful.key({ modkey }, "Return", function()
		awful.spawn(terminal)
	end, {
		description = "open a terminal",
		group = "launcher",
	}),
	awful.key({ modkey }, "l", function()
		awful.spawn("librewolf")
	end, {
		description = "open the browser",
		group = "launcher",
	}),
	awful.key({ modkey, "Shift" }, "l", function()
		awful.spawn("librewolf --private-window")
	end, {
		description = "open the browser",
		group = "launcher",
	}),
	awful.key({ modkey, "Control" }, "r", awesome.restart, {
		description = "reload awesome",
		group = "awesome",
	}),
	awful.key({ modkey, "Shift" }, "q", awesome.quit, {
		description = "quit awesome",
		group = "awesome",
	}),
	awful.key({ modkey }, "l", function()
		awful.tag.incmwfact(0.05)
	end, {
		description = "increase master width factor",
		group = "layout",
	}),
	awful.key({ modkey }, "h", function()
		awful.tag.incmwfact(-0.05)
	end, {
		description = "decrease master width factor",
		group = "layout",
	}),
	awful.key({ modkey, "Shift" }, "h", function()
		awful.tag.incnmaster(1, nil, true)
	end, {
		description = "increase the number of master clients",
		group = "layout",
	}),
	--   awful.key({modkey, "Shift"}, "l", function()
	--     awful.tag.incnmaster(-1, nil, true)
	-- end, {
	--     description = "decrease the number of master clients",
	--     group = "layout"
	-- }),
	awful.key({ modkey, "Control" }, "h", function()
		awful.tag.incncol(1, nil, true)
	end, {
		description = "increase the number of columns",
		group = "layout",
	}),
	awful.key({ modkey, "Control" }, "l", function()
		awful.tag.incncol(-1, nil, true)
	end, {
		description = "decrease the number of columns",
		group = "layout",
	}),
	awful.key({ modkey, "Control" }, "n", function()
		local c = awful.client.restore()
		-- Focus restored client
		if c then
			c:emit_signal("request::activate", "key.unminimize", {
				raise = true,
			})
		end
	end, {
		description = "restore minimized",
		group = "client",
	})
)

clientkeys = gears.table.join(
	awful.key({ modkey }, "f", function(c)
		c.fullscreen = not c.fullscreen
		c:raise()
	end, {
		description = "toggle fullscreen",
		group = "client",
	}),
	awful.key({ modkey, "Shift" }, "c", function(c)
		c:kill()
	end, {
		description = "close",
		group = "client",
	}),
	awful.key({ modkey, "Control" }, "space", awful.client.floating.toggle, {
		description = "toggle floating",
		group = "client",
	}),
	awful.key({ modkey, "Control" }, "Return", function(c)
		c:swap(awful.client.getmaster())
	end, {
		description = "move to master",
		group = "client",
	}),
	awful.key({ modkey }, "o", function(c)
		c:move_to_screen()
	end, {
		description = "move to screen",
		group = "client",
	}),
	awful.key({ modkey }, "t", function(c)
		c.ontop = not c.ontop
	end, {
		description = "toggle keep on top",
		group = "client",
	}),
	awful.key({ modkey }, "n", function(c)
		-- The client currently has the input focus, so it cannot be
		-- minimized, since minimized clients can't have the focus.
		c.minimized = true
	end, {
		description = "minimize",
		group = "client",
	}),
	awful.key({ modkey }, "m", function(c)
		c.maximized = not c.maximized
		c:raise()
	end, {
		description = "(un)maximize",
		group = "client",
	}),
	awful.key({ modkey, "Control" }, "m", function(c)
		c.maximized_vertical = not c.maximized_vertical
		c:raise()
	end, {
		description = "(un)maximize vertically",
		group = "client",
	}),
	awful.key({ modkey, "Shift" }, "m", function(c)
		c.maximized_horizontal = not c.maximized_horizontal
		c:raise()
	end, {
		description = "(un)maximize horizontally",
		group = "client",
	})
)

-- Bind all key numbers to tags.
-- Be careful: we use keycodes to make it work on any keyboard layout.
-- This should map on the top row of your keyboard, usually 1 to 9.
for i = 1, 9 do
	globalkeys = gears.table.join(
		globalkeys, -- View tag only.
		awful.key({ modkey }, "#" .. i + 9, function()
			local screen = awful.screen.focused()
			local tag = screen.tags[i]
			if tag then
				tag:view_only()
			end
		end, {
			description = "view tag #" .. i,
			group = "tag",
		}), -- Toggle tag display.
		awful.key({ modkey, "Control" }, "#" .. i + 9, function()
			local screen = awful.screen.focused()
			local tag = screen.tags[i]
			if tag then
				awful.tag.viewtoggle(tag)
			end
		end, {
			description = "toggle tag #" .. i,
			group = "tag",
		}), -- Move client to tag.
		awful.key({ modkey, "Shift" }, "#" .. i + 9, function()
			if client.focus then
				local tag = client.focus.screen.tags[i]
				if tag then
					client.focus:move_to_tag(tag)
				end
			end
		end, {
			description = "move focused client to tag #" .. i,
			group = "tag",
		}), -- Toggle tag on focused client.
		awful.key({ modkey, "Control", "Shift" }, "#" .. i + 9, function()
			if client.focus then
				local tag = client.focus.screen.tags[i]
				if tag then
					client.focus:toggle_tag(tag)
				end
			end
		end, {
			description = "toggle focused client on tag #" .. i,
			group = "tag",
		})
	)
end

clientbuttons = gears.table.join(
	awful.button({}, 1, function(c)
		c:emit_signal("request::activate", "mouse_click", {
			raise = true,
		})
	end),
	awful.button({ modkey }, 1, function(c)
		c:emit_signal("request::activate", "mouse_click", {
			raise = true,
		})
		awful.mouse.client.move(c)
	end),
	awful.button({ modkey }, 3, function(c)
		c:emit_signal("request::activate", "mouse_click", {
			raise = true,
		})
		awful.mouse.client.resize(c)
	end)
)

-- Set keys
root.keys(globalkeys)
-- }}}

-- {{{ Rules
-- Rules to apply to new clients (through the "manage" signal).
awful.rules.rules = { -- All clients will match this rule.
	{
		rule = {},
		properties = {
			border_width = beautiful.border_width,
			border_color = beautiful.border_normal,
			focus = awful.client.focus.filter,
			raise = true,
			keys = clientkeys,
			buttons = clientbuttons,
			screen = awful.screen.preferred,
			placement = awful.placement.no_overlap + awful.placement.no_offscreen,
		},
	}, -- Floating clients.
	{
		rule_any = {
			instance = {
				"DTA", -- Firefox addon DownThemAll.
				"copyq", -- Includes session name in class.
				"pinentry",
			},
			class = {
				"Arandr",
				"Blueman-manager",
				"Gpick",
				"Kruler",
				"MessageWin", -- kalarm.
				"Sxiv",
				"Tor Browser", -- Needs a fixed window size to avoid fingerprinting by screen size.
				"Wpa_gui",
				"veromix",
				"xtightvncviewer",
			},

			-- Note that the name property shown in xprop might be set slightly after creation of the client
			-- and the name shown there might not match defined rules here.
			name = {
				"Event Tester", -- xev.
			},
			role = {
				"AlarmWindow", -- Thunderbird's calendar.
				"ConfigManager", -- Thunderbird's about:config.
				"pop-up", -- e.g. Google Chrome's (detached) Developer Tools.
			},
		},
		properties = {
			floating = true,
		},
	}, -- Set Firefox to always map on the tag named "2" on screen 1.
	-- { rule = { class = "Firefox" },
	--   properties = { screen = 1, tag = "2" } },
}
-- }}}

-- {{{ Signals
-- Signal function to execute when a new client appears.
client.connect_signal("manage", function(c)
	-- Set the windows at the slave,
	-- i.e. put it at the end of others instead of setting it master.
	-- if not awesome.startup then awful.client.setslave(c) end

	if awesome.startup and not c.size_hints.user_position and not c.size_hints.program_position then
		-- Prevent clients from being unreachable after screen count changes.
		awful.placement.no_offscreen(c)
	end
end)

-- Enable sloppy focus, so that focus follows mouse.
client.connect_signal("mouse::enter", function(c)
	c:emit_signal("request::activate", "mouse_enter", {
		raise = false,
	})
end)

client.connect_signal("focus", function(c)
	c.border_color = beautiful.border_focus
end)
client.connect_signal("unfocus", function(c)
	c.border_color = beautiful.border_normal
end)
-- }}}

-- Autostart Applications
autostart.exec(awful)