darkrc/awesome/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
-- Enable hotkeys help widget for VIM and other apps
-- when client with a matching name is opened:
require("awful.hotkeys_popup.keys")

-- Load Debian menu entries
local debian = require("debian.menu")
local has_fdo, freedesktop = pcall(require, "freedesktop")

-- {{{ 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_themes_dir() .. "default/theme.lua")

-- This is used later as the default terminal and editor to run.
terminal = "kitty" -- "x-terminal-emulator"
browser = "luakit"
editor = os.getenv("EDITOR") or "editor"
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.max.fullscreen,
	awful.layout.suit.max,
	awful.layout.suit.spiral,
	awful.layout.suit.spiral.dwindle,
	awful.layout.suit.tile,
	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.magnifier,
	awful.layout.suit.corner.nw,
	awful.layout.suit.floating,
	-- awful.layout.suit.corner.ne,
	-- awful.layout.suit.corner.sw,
	-- awful.layout.suit.corner.se,
}
-- }}}

-- {{{ 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 launcher widget and a main menu
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 menu_awesome = { "awesome", myawesomemenu, beautiful.awesome_icon }
local menu_terminal = { "open terminal", terminal }

if has_fdo then
	mymainmenu = freedesktop.menu.build({
		before = { menu_awesome },
		after =  { menu_terminal }
	})
else
	mymainmenu = awful.menu({
		items = {
			menu_awesome,
			{ "Debian", debian.menu.Debian_menu.Debian },
			menu_terminal,
		}
	})
end


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
mykeyboardlayout = awful.widget.keyboardlayout()

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

-- 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
		-- 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 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(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(gears.table.join(
awful.button({ }, 3, function () mymainmenu:toggle() end),
awful.button({ }, 4, awful.tag.viewnext),
awful.button({ }, 5, awful.tag.viewprev)
))
-- }}}

-- {{{ Key bindings
globalkeys = gears.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}, "h",      awful.tag.viewprev, {description = "view previous", group = "tag"}),
awful.key({ modkey}, "Right",  awful.tag.viewnext, {description = "view next", group = "tag"}),
awful.key({ modkey}, "l",      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 ()
	awful.spawn(browser)
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"}),
-- Menubar
awful.key({ modkey }, "p", function() menubar.show() end,
{description = "show the menubar", group = "launcher"})
)

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,
	-- Toggle tag display.
	awful.key({ modkey, "Control" }, "#" .. 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"}),
	-- View tag only.
	awful.key({ modkey }, "#" .. 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) 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 = gears.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) : 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)
-- }}}