Awesome Config

brightness.lua

local awful = require "awful"
local naughty = require "naughty"

local function get()
	local fd = assert(io.popen("xbacklight -get"))
	local n = assert(fd:read("*n"))
	fd:close()
	return n
end
local last
local function set(n)
	n = math.floor(math.min(100, math.max(0, n)))
	if os.execute(string.format("xbacklight -time %d -set %d", 0, n)) then
		last = naughty.notify({
			text = string.format("brightness is now %d%%", n);
			replaces_id = last and last.id or nil;
		})
	end
end
root.keys(awful.util.table.join(root.keys(),
	awful.key({}, "XF86MonBrightnessDown", function() set(get()-6) end),
	awful.key({}, "XF86MonBrightnessUp",   function() set(get()+6) end)
))

multimedia.lua

local awful = require "awful"

local function pianobar(cmd)
	local pianobar_fifo = assert(io.open(os.getenv"HOME" .. "/.config/pianobar/ctl", "w"))
	pianobar_fifo:setvbuf("no")
	assert(pianobar_fifo:write(cmd))
	pianobar_fifo:close()
end

root.keys(awful.util.table.join(root.keys(),
    awful.key({}, "XF86AudioMute",        function() os.execute("ponymix toggle") end),
    awful.key({}, "XF86AudioLowerVolume", function() os.execute("ponymix decrease 5") end),
    awful.key({}, "XF86AudioRaiseVolume", function() os.execute("ponymix increase 5") end),
    --awful.key({}, "XF86AudioPrev",        function() pianobar("p") end),
    awful.key({}, "XF86AudioPlay",        function()
		if os.execute("pgrep pianobar") then
			pianobar("p")
		else
			awful.spawn("urxvt -e pianobar")
		end
	end),
    awful.key({}, "XF86AudioNext",        function() pianobar("n") end)
))

rc.lua

-- 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").widget

local cqueues = require "cqueues"
local cq = cqueues.new()
_G.cq = cq
local cqtimer = gears.timer{timeout=0.01}
cqtimer:connect_signal("timeout", function()
	local ok, err, errno, thd = cq:step(0)
	if not ok then
		naughty.notify({ preset = naughty.config.presets.critical,
						 title = "Oops, an error happened!",
						 text = debug.traceback(thd, err) })
	end
end)
cqtimer:start()

-- {{{ 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 = debug.traceback(err, 2) })
		in_error = false
	end)
end
-- }}}

function awful.util.get_themes_dir()
	return awful.util.get_configuration_dir() .. "themes/"
end

-- {{{ Variable definitions
-- Themes define colours, icons, font and wallpapers.
beautiful.init(awful.util.get_themes_dir().."default/theme.lua")

-- This is used later as the default terminal and editor to run.
local terminal = "urxvt"
local editor = os.getenv("EDITOR") or "nano"
local 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.
local modkey = "Mod4"
local alt = "Mod1"

-- Table of layouts to cover with awful.layout.inc, order matters.
awful.layout.layouts = {
	awful.layout.suit.tile.bottom,
	awful.layout.suit.tile.top,
	awful.layout.suit.tile,
	awful.layout.suit.tile.left,
	awful.layout.suit.fair,
	awful.layout.suit.fair.horizontal,
	awful.layout.suit.spiral,
	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.floating,
}
-- }}}

-- {{{ Helper functions
local function client_menu_toggle_fn()
	local instance = nil

	return function ()
		if instance and instance.wibox.visible then
			instance:hide()
			instance = nil
		else
			instance = awful.menu.clients({ theme = { width = 250 } })
		end
	end
end

-- {{{ Menu
-- Create a laucher widget and a main menu
local myawesomemenu = {
	{ "hotkeys", function() return false, hotkeys_popup.show_help end},
	{ "manual", terminal .. " -e man awesome" },
	{ "edit config", editor_cmd .. " " .. awesome.conffile },
	{ "restart", awesome.restart },
	{ "quit", function() awesome.quit() end}
}

local mymainmenu = awful.menu {
	theme = {
		width = 200;
	};
	items = {
		{ "awesome",       myawesomemenu, beautiful.awesome_icon };
		{ "open terminal", terminal,  "/usr/share/icons/Adwaita/256x256/apps/utilities-terminal.png" };
		{ "File Browser",  "thunar",  "/usr/share/icons/hicolor/128x128/apps/Thunar.png" };
		{ "Firefox",       "firefox", "/usr/share/icons/hicolor/256x256/apps/firefox.png" };
		{ "Chromium",      "chromium","/usr/share/icons/hicolor/256x256/apps/chromium.png" };
		{ "Gajim",         "gajim",   "/usr/share/icons/hicolor/scalable/apps/gajim.svg" };
		{ "Liferea",       "liferea", "/usr/share/icons/hicolor/scalable/apps/liferea.svg" };
		{ "Sublime Text",  "subl3",   "/usr/share/icons/hicolor/256x256/apps/sublime-text.png" };
		{ "Suspend",       "systemctl suspend" };
		{ "Reboot",        "systemctl reboot" };
		{ "Poweroff",      "systemctl poweroff" };
	};
}

local mylauncher = awful.widget.launcher({ image = beautiful.awesome_icon,
									 menu = mymainmenu })

-- Menubar configuration
menubar.utils.terminal = terminal -- Set the terminal for applications that require it
-- }}}

-- Keyboard map indicator and switcher
local mykeyboardlayout = awful.widget.keyboardlayout()

-- {{{ Wibar
-- Create a textclock widget
local mytextclock = wibox.widget.textclock()

-- Create a wibox for each screen and add it
local taglist_buttons = awful.util.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 = awful.util.table.join(
	awful.button({ }, 1, function (c)
		if c == client.focus then
			c.minimized = true
		else
			-- Without this, the following
			-- :isvisible() makes no sense
			c.minimized = false
			if not c:isvisible() and c.first_tag then
				c.first_tag:view_only()
			end
			-- This will also un-minimize
			-- the client, if needed
			client.focus = c
			c:raise()
		end
	end),
	awful.button({ }, 3, client_menu_toggle_fn()),
	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.maximized(wallpaper, s, true)
	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 contains an icon indicating which layout we're using.
	-- We need one layoutbox per screen.
	s.mylayoutbox = awful.widget.layoutbox(s)
	s.mylayoutbox:buttons(awful.util.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(s, awful.widget.taglist.filter.all, taglist_buttons)

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

	-- Create the wibox
	s.mywibox = awful.wibar({ position = "top", screen = s })

	-- Add widgets to the wibox
	s.mywibox:setup {
		layout = wibox.layout.align.horizontal,
		{ -- Left widgets
			layout = wibox.layout.fixed.horizontal,
			mylauncher,
			s.mytaglist,
			s.mypromptbox,
		},
		s.mytasklist, -- Middle widget
		{ -- Right widgets
			layout = wibox.layout.fixed.horizontal,
			mykeyboardlayout,
			wibox.widget.systray(),
			mytextclock,
			s.mylayoutbox,
		},
	}
end)
-- }}}

-- {{{ Mouse bindings
root.buttons(awful.util.table.join(
	awful.button({ }, 3, function () mymainmenu:toggle() end),
	awful.button({ }, 4, awful.tag.viewnext),
	awful.button({ }, 5, awful.tag.viewprev)
))
-- }}}

-- {{{ Key bindings
local globalkeys = awful.util.table.join(
	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, "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,           }, "space", function () awful.layout.inc( 1)                end,
		{description = "select next", group = "layout"}),
	awful.key({ modkey, "Shift"   }, "space", function () awful.layout.inc(-1)                end,
		{description = "select previous", group = "layout"}),

	awful.key({ modkey, "Control" }, "n",
		function ()
			local c = awful.client.restore()
			-- Focus restored client
			if c then
				client.focus = c
				c:raise()
			end
		end,
		{description = "restore minimized", group = "client"}),

	-- Prompt
	awful.key({ modkey },            "r",     function () awful.screen.focused().mypromptbox:run() end,
		{description = "run prompt", group = "launcher"}),

	awful.key({ modkey }, "x",
		function ()
			awful.prompt.run {
				prompt       = "Run Lua code: ",
				textbox      = awful.screen.focused().mypromptbox.widget,
				exe_callback = awful.util.eval,
				history_path = awful.util.get_cache_dir() .. "/history_eval"
			}
		end,
		{description = "lua execute prompt", group = "awesome"}),

	-- Screensaver
	awful.key({ modkey, alt}, "l", function() os.execute("slock") end,
		{description = "lock the screen"}),
	-- Screenshot
	awful.key({ }, "Print", function() awful.spawn("xfce4-screenshooter") end,
		{description = "take a screenshot"}),
	-- Menubar
	awful.key({ modkey, "Shift" }, "p", function() menubar.show() end,
		{description = "show the menubar", group = "launcher"})
)

local clientkeys = awful.util.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 = "maximize", group = "client"})
)

-- Bind all key numbers to tags.
-- Be careful: we use keycodes to make it works on any keyboard layout.
-- This should map on the top row of your keyboard, usually 1 to 9.
for i = 1, 9 do
	globalkeys = awful.util.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

local clientbuttons = awful.util.table.join(
	awful.button({ }, 1, function (c) client.focus = c; c:raise() end),
	awful.button({ modkey }, 1, awful.mouse.client.move),
	awful.button({ modkey }, 3, awful.mouse.client.resize))

-- 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.
			},
			class = {
				"Arandr",
				"Gpick",
				"Kruler",
				"MessageWin",  -- kalarm.
				"Sxiv",
				"Wpa_gui",
				"pinentry",
				"veromix",
				"xtightvncviewer",
			},
			name = {
				"Event Tester",  -- xev.
			},
			role = {
				"AlarmWindow",  -- Thunderbird's calendar.
				"pop-up",       -- e.g. Google Chrome's (detached) Developer Tools.
			}
		},
		properties = { floating = true }
	},

	-- Add titlebars to normal clients and dialogs
	{
		rule_any = {type = { "normal", "dialog" } },
		properties = { titlebars_enabled = 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)

-- Add a titlebar if titlebars_enabled is set to true in the rules.
client.connect_signal("request::titlebars", function(c)
	-- buttons for the titlebar
	local buttons = awful.util.table.join(
		awful.button({ }, 1, function()
			client.focus = c
			c:raise()
			awful.mouse.client.move(c)
		end),
		awful.button({ }, 3, function()
			client.focus = c
			c:raise()
			awful.mouse.client.resize(c)
		end)
	)

	awful.titlebar(c, {size=30;}):setup {
		{ -- Left
			awful.titlebar.widget.iconwidget(c),
			buttons = buttons,
			layout  = wibox.layout.fixed.horizontal
		},
		{ -- Middle
			{ -- Title
				align  = "center",
				widget = awful.titlebar.widget.titlewidget(c)
			},
				buttons = buttons,
				layout  = wibox.layout.flex.horizontal
			},
		{ -- Right
			awful.titlebar.widget.floatingbutton (c),
			awful.titlebar.widget.maximizedbutton(c),
			awful.titlebar.widget.stickybutton   (c),
			awful.titlebar.widget.ontopbutton    (c),
			awful.titlebar.widget.closebutton    (c),
			layout = wibox.layout.fixed.horizontal()
		},
		layout = wibox.layout.align.horizontal
	}
end)

-- Enable sloppy focus, so that focus follows mouse.
client.connect_signal("mouse::enter", function(c)
	if awful.layout.get(c.screen) ~= awful.layout.suit.magnifier
		and awful.client.focus.filter(c) then
		client.focus = c
	end
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)
-- }}}

local function running(prog)
	return not not os.execute("pgrep -u " .. os.getenv "USER" .. " " .. prog)
end

if not running("thunar") then
	awful.spawn("thunar --daemon")
end
if not running("pasystray") then
	awful.spawn("pasystray")
end
if not running("nm-applet") then
	awful.spawn("nm-applet --sm-disable")
end
if not running("system-config-printer-applet") then
	awful.spawn("system-config-printer-applet")
end
dofile(awful.util.getdir("config") .. "/multimedia.lua")
dofile(awful.util.getdir("config") .. "/brightness.lua")