-- 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
require("debian.menu")

-- Load vicious
vicious = require("vicious")
vicious.contrib = require("vicious.contrib")

-- Load lain
lain = require("lain")
lain.helpers = require("lain.helpers")

-- {{{ 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
configdir = gears.filesystem.get_configuration_dir()

-- Themes define colours, icons, font and wallpapers.
beautiful.init(configdir .. "/theme.lua")

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

-- System Info
local popen_cmds = io.popen("hostname -f; egrep -o '([0-9]+)\\.([0-9]+)(.[0-9]+)\\-([0-9]+)' /proc/sys/kernel/version")
local hostname = popen_cmds:read("*l")
local kernel = popen_cmds:read("*l")
popen_cmds:close()

-- 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"

-- Static configs
naughty.config.defaults.icon_size = 150

-- Table of layouts to cover with awful.layout.inc, order matters.
awful.layout.layouts = {
    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.spiral,
    -- awful.layout.suit.spiral.dwindle,
    awful.layout.suit.floating,
    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,
}
-- }}}

-- {{{ 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

local function run_once(cmd_name,cmd_args,process_name)
	if not cmd_name then
		do return nil end
	end

	if not process_name then
		process_name = cmd_name
	end

	if not cmd_args then
		awful.spawn.with_shell("pgrep -u $USER -x '" .. process_name .. "' || (" .. cmd_name .. ")")
	else
		awful.spawn.with_shell("pgrep -u $USER -x '" .. process_name .. "' || (" .. cmd_name .. " " .. cmd_args .. ")")
	end
end
-- }}}

-- {{{ Menu
-- Create a launcher widget and a main menu
systemmenu = {
   { "hotkeys", function() return false, hotkeys_popup.show_help end},
   { "monitor standby", "sleep 2 && xset dpms force off" }, -- xset s blank
   { "lock screen", "sleep 2 && xautolock -locknow"},
   { "suspend", "systemctl suspend" },
   { "hibernate", "systemctl hibernate" },
   { "restart awesome", awesome.restart },
   { "logoff", function() awesome.quit() end },
   { "reboot to EFI", "systemctl reboot --firmware-setup" },
   { "reboot", "systemctl reboot" },
   { "halt", "systemctl poweroff" }
}

mymainmenu = awful.menu({ items = { { hostname , nil, beautiful.debian_icon },
                                    { "linux " .. kernel, nil, beautiful.linux_icon },
                                    { "awesome " .. awesome.version, nil, beautiful.awesome_icon },
                                    { "" },
                                    -- { "open terminal", terminal },
                                    { "applications", debian.menu.Debian_menu.Debian },
                                    { "system", systemmenu }
                                  }
                        })

mylauncher = awful.widget.launcher({ image = beautiful.debian_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("%a, %d %b %Y %H:%M")
laincal = lain.widget.calendar({                                     
  attach_to = { mytextclock },
  followtag = true,
  cal = "/usr/bin/gcal -H no",
  notification_preset = {
    fg = "#FFFFFF",
    bg = beautiful.bg_normal,
    position = "bottom_right",
    font = "dejavu sans mono 8"
  }
})

-- {{ Divider widgets
dividerwidget = wibox.widget.textbox()
dividerwidget:set_text(" | ") 

ldividerwidget = wibox.widget.textbox()
ldividerwidget:set_text("| ") 

rdividerwidget = wibox.widget.textbox()
rdividerwidget:set_text(" |") 

spacewidget = wibox.widget.textbox()
spacewidget:set_text(" ") 
-- }}

-- {{ Load widget
loadwidget = wibox.widget.textbox()
vicious.cache(vicious.widgets.uptime)
vicious.register(loadwidget, vicious.widgets.uptime, "load: $4, $5, $6", 3)
loadwidget:buttons(gears.table.join(
             awful.button({ }, 1, function() awful.spawn.with_shell(terminal .. " -n htop -e htop") end)
	     	     )
	     )
-- }}

-- {{ Memory widget
memwidget = wibox.widget.textbox()
vicious.cache(vicious.widgets.mem)
vicious.register(memwidget, vicious.widgets.mem, "mem: $1%", 3)
-- }}

-- {{ CPU widget
cpuwidget = wibox.widget.textbox()
vicious.cache(vicious.widgets.cpu)
vicious.register(cpuwidget, vicious.widgets.cpu, "cpu: $1%", 3)
-- }}

-- {{ Network widget
netwidget = wibox.widget.textbox()
vicious.cache(vicious.widgets.net)
vicious.register(netwidget, vicious.widgets.net, "net: ↑${eth0 up_kb}kB/s↑ ↓${eth0 down_kb}kB/s↓", 3)
-- }}

-- {{ Volume widget
volwidget = wibox.widget.textbox()
volmenu = awful.menu({ items = { { "pavucontrol", function() awful.spawn.with_shell("/usr/bin/pavucontrol") end },
  { "" },
  { "headphones", function() awful.spawn.with_shell("pacmd set-default-sink headphones") end },
  { "speakers", function() awful.spawn.with_shell("pacmd set-default-sink speakers") end }
                                  }
                        }) 
vicious.cache(vicious.contrib.pulse)
vicious.register(volwidget, vicious.contrib.pulse,
    function(widget, args)
        local volvalue = nil
	if args[1] == 0 then
		volvalue = " M"
	else
		volvalue = args[1]
	end
	return "vol: " .. volvalue .. "%"
   end, 1, "alsa_output.pci-0000_05_00.0.analog-surround-71" )
volwidget:buttons(gears.table.join(
             awful.button({ }, 1, function() awful.spawn.with_shell("pactl set-sink-mute 0 toggle") end),
             awful.button({ }, 3, function() volmenu:show() end),
             awful.button({ }, 4, function() awful.spawn.with_shell("pactl set-sink-volume 0 +5%") end),
             awful.button({ }, 5, function() awful.spawn.with_shell("pactl set-sink-volume 0 -5%") end)
	     	     )
	     )
-- }}

-- {{ Package widget
pkgwidget = wibox.widget.textbox()
vicious.cache(vicious.widgets.pkg)
vicious.register(pkgwidget, vicious.widgets.pkg, "pkg: $1", 1800, "Debian")
-- }}

-- {{ Weather widget
weatherwidget = lain.widget.weather({
    city_id = 2964574, -- Dublin, Ireland
    units = "metric",
    notification_preset = {fg = "#FFFFFF",bg = beautiful.bg_normal,position = "bottom_right",font = "dejavu sans mono 8" },
    notification_text_fun = function(wn)
        local city = wn["name"]
        local country = wn["sys"]["country"]
        local time = os.date("%H:%M",wn["dt"])
        local srise = os.date("%H:%M",wn["sys"]["sunrise"])
        local sset = os.date("%H:%M",wn["sys"]["sunset"])
        local desc = wn["weather"][1]["description"]
        local temp = math.floor(wn["main"]["temp"])
        local rain3h = 0
        if wn["rain"] ~= nil then
          rain3h = math.floor(wn["rain"]["3h"])
        end
        local snow3h = 0
        if wn["snow"] ~= nil then
          snow3h = math.floor(wn["snow"]["3h"])
        end
        preci3h=rain3h+snow3h
        local wspe = math.floor(wn["wind"]["speed"])
        local wdeg = math.floor(wn["wind"]["deg"])
        local humi = math.floor(wn["main"]["humidity"])
        local pres = math.floor(wn["main"]["pressure"])
        local clou = math.floor(wn["clouds"]["all"])

        return string.format("<b>%s,%s @ %s</b><br>sunrise: %s<br>sunset: %s<br><br>%s<br>temperature: %d°C<br>precipitation: %d mm<br>wind: %d m/s at %d°<br>humidity: %d%%<br>pressure: %dhPa<br>cloudiness: %d%%",
                             city, country, time, srise, sset, desc, temp, preci3h, wspe, wdeg, humi, pres, clou)
    end,
    settings = function()
        units = math.floor(weather_now["main"]["temp"])
        widget:set_text(units .. "°C")
    end
})
weatherwidget.widget:buttons(gears.table.join(
             awful.button({ }, 1, function() awful.spawn.with_shell("/usr/bin/firefox http://www.met.ie/latest/rainfall_radar.asp") end),
             awful.button({ }, 3, function() awful.spawn.with_shell("/usr/bin/firefox http://www.met.ie/forecasts/5day-ireland.asp") end)
                     )
             )

-- {{ quodlibet widget (using quodlibet dbus signal)
quodlibetwidget = wibox.widget.textbox()
quodlibetwidget:set_text("music: nothing playing")
dbus.add_match("session", "interface='net.sacredchao.QuodLibet'")
dbus.connect_signal("net.sacredchao.QuodLibet", function(...)
             local dbussignal = {...}
             if dbussignal[1].member == 'SongStarted' then
               quodlibetwidget:set_text("music: " .. dbussignal[2].title .. " by " .. dbussignal[2].artist )
               else if dbussignal[1].member == 'SongEnded' then
                 quodlibetwidget:set_text("music: nothing playing")
               end
             end
           end)
quodlibetwidget:buttons(gears.table.join(
             awful.button({ }, 1, function() awful.spawn.with_shell("/usr/bin/quodlibet --run --play-pause") end),
             --awful.button({ }, 1, function() awful.spawn.with_shell("/usr/bin/xdotool key ctrl+shift+8") end),
      	     awful.button({ }, 3, function() screen[2].tags[3]:view_only() end),
             awful.button({ }, 4, function() awful.spawn.with_shell("/usr/bin/quodlibet --next") end),
             awful.button({ }, 5, function() awful.spawn.with_shell("/usr/bin/quodlibet --force-previous") end)
	     	     )
	     )
-- }}

-- {{ Quicklaunch
quicklaunch_urxvt = wibox.widget.imagebox()
quicklaunch_urxvt:set_image("/usr/share/pixmaps/urxvt_32x32.xpm")
quicklaunch_urxvt:buttons(gears.table.join(
             awful.button({ }, 1, function() awful.spawn.with_shell("/usr/bin/urxvt") end)
	     	     )
	     )

quicklaunch_firefox = wibox.widget.imagebox()
quicklaunch_firefox:set_image("/usr/share/icons/hicolor/32x32/apps/firefox.png")
quicklaunch_firefox:buttons(gears.table.join(
             awful.button({ }, 1, function() awful.spawn.with_shell("/usr/bin/firefox") end),
             awful.button({ }, 3, function() awful.spawn.with_shell("/usr/bin/firefox -private-window") end)
	     	     )
	     )

quicklaunch_chromium = wibox.widget.imagebox()
quicklaunch_chromium:set_image("/usr/share/icons/hicolor/48x48/apps/chromium.png")
quicklaunch_chromium:buttons(gears.table.join(
             awful.button({ }, 1, function() awful.spawn.with_shell("/usr/bin/chromium %U --incognito --user-agent=\"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36\"" ) end),
             awful.button({ }, 3, function() awful.spawn.with_shell("/usr/bin/chromium %U --incognito --user-agent=\"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36\" --disable-plugins --disable-bundled-ppapi-flash --proxy-server=alpha:8123 --host-resolver-rules=\"MAP * 0.0.0.0 , EXCLUDE alpha\" http://check.torproject.org") end)
	     	     )
	     )

quicklaunch_chrome = wibox.widget.imagebox()
quicklaunch_chrome:set_image("/opt/google/chrome/product_logo_64.png")
quicklaunch_chrome:buttons(gears.table.join(
             awful.button({ }, 1, function() awful.spawn.with_shell("/usr/bin/google-chrome") end)
	     	     )
	     )

quicklaunch_torbrowser = wibox.widget.imagebox()
quicklaunch_torbrowser:set_image("/usr/share/pixmaps/torbrowser.png")
quicklaunch_torbrowser:buttons(gears.table.join(
             awful.button({ }, 1, function() awful.spawn.with_shell("/usr/bin/torbrowser-launcher" ) end)
	     	     )
	     )

quicklaunch_chrome_gpm = wibox.widget.imagebox()
quicklaunch_chrome_gpm:set_image(configdir .. "/icons/googleplaymusic.png")
quicklaunch_chrome_gpm:buttons(gears.table.join(
             awful.button({ }, 1, function() awful.spawn.with_shell("/usr/bin/google-chrome --app=https://play.google.com/music/listen") end)
	     	     )
	     )

quicklaunch_mutt = wibox.widget.imagebox()
quicklaunch_mutt:set_image("/usr/share/pixmaps/mutt.xpm")
quicklaunch_mutt:buttons(gears.table.join(
             awful.button({ }, 1, function() os.execute("sleep 1"); awful.spawn.with_shell(terminal .. " -n mutt -e mutt") end)
	     	     )
	     )

quicklaunch_vlc = wibox.widget.imagebox()
quicklaunch_vlc:set_image("/usr/share/icons/hicolor/32x32/apps/vlc.png")
quicklaunch_vlc:buttons(gears.table.join(
             awful.button({ }, 1, function() awful.spawn.with_shell("/usr/bin/vlc") end)
	     	     )
	     )

quicklaunch_quodlibet = wibox.widget.imagebox()
quicklaunch_quodlibet:set_image("/usr/share/icons/hicolor/64x64/apps/quodlibet.png")
quicklaunch_quodlibet:buttons(gears.table.join(
             awful.button({ }, 1, function() awful.spawn.with_shell("/usr/bin/quodlibet") end)
	     	     )
	     )

quicklaunch_virtmanager = wibox.widget.imagebox()
quicklaunch_virtmanager:set_image("/usr/share/icons/hicolor/32x32/apps/virt-manager.png")
quicklaunch_virtmanager:buttons(gears.table.join(
             awful.button({ }, 1, function() awful.spawn.with_shell("/usr/bin/virt-manager") end)
	     	     )
	     )

quicklaunch_remmina = wibox.widget.imagebox()
quicklaunch_remmina:set_image("/usr/share/icons/hicolor/32x32/apps/remmina.png")
quicklaunch_remmina:buttons(gears.table.join(
             awful.button({ }, 1, function() awful.spawn.with_shell("/usr/bin/remmina") end)
	     	     )
	     )

quicklaunch_thunar = wibox.widget.imagebox()
quicklaunch_thunar:set_image("/usr/share/icons/gnome/32x32/places/user-home.png")
quicklaunch_thunar:buttons(gears.table.join(
             awful.button({ }, 1, function() awful.spawn.with_shell("/usr/bin/thunar") end)
	     	     )
	     )

-- Create Quicklaunch wibox
local quicklaunch = wibox.layout.fixed.horizontal()
quicklaunch:add(quicklaunch_urxvt)
quicklaunch:add(quicklaunch_firefox)
quicklaunch:add(quicklaunch_mutt)
quicklaunch:add(quicklaunch_quodlibet)
quicklaunch:add(quicklaunch_chrome_gpm)
quicklaunch:add(quicklaunch_chromium)
quicklaunch:add(quicklaunch_chrome)
quicklaunch:add(quicklaunch_torbrowser)
quicklaunch:add(quicklaunch_vlc)
quicklaunch:add(quicklaunch_virtmanager)
quicklaunch:add(quicklaunch_remmina)
quicklaunch:add(quicklaunch_thunar)
--}}

-- 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({ "", "", "", "", "", "" }, 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 = "bottom", height = "15", screen = s })

    -- Add widgets to the wibox
    s.mywibox:setup {
        layout = wibox.layout.align.horizontal,
        { -- Left widgets
            layout = wibox.layout.fixed.horizontal,
            s.index == 1 and mylauncher,
            s.index == 1 and spacewidget,
            s.index == 1 and spacewidget,
            s.index == 1 and spacewidget,
            s.index == 1 and spacewidget,
            s.index == 1 and quicklaunch,
            s.index == 1 and spacewidget,
            s.index == 1 and spacewidget,
            s.index == 1 and spacewidget,
            s.index == 1 and spacewidget,

            s.mypromptbox,
        },
        s.mytasklist, -- Middle widget
        { -- Right widgets
            layout = wibox.layout.fixed.horizontal,
            s.index == 1 and wibox.widget.systray(),
            s.index == 1 and dividerwidget,
            s.index == 1 and volwidget,
            s.index == 1 and dividerwidget,
            s.index == 1 and weatherwidget,
            s.index == 1 and dividerwidget,
            s.index == 1 and mytextclock,

            s.index == 2 and ldividerwidget,
            s.index == 2 and quodlibetwidget,
            s.index == 2 and dividerwidget,
	          s.index == 2 and loadwidget,
            s.index == 2 and dividerwidget,
	          s.index == 2 and memwidget,
            s.index == 2 and dividerwidget,
	          s.index == 2 and netwidget,
            s.index == 2 and dividerwidget,
	          s.index == 2 and pkgwidget,

            s.mylayoutbox,
            s.mytaglist,
        },
    }
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,           }, "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"}),
    -- 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,
        -- 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) 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,
                     size_hints_honor = false,
                     screen = awful.screen.preferred,
                     placement = awful.placement.no_overlap+awful.placement.no_offscreen
     }
    },

    { rule = { class = "gimp" },				properties = { floating = true } },
    { rule = { class = "Firefox" },                             properties = { floating = true } },
    { rule = { class = "Firefox", instance = "Navigator" },	properties = { tag = screen[1].tags[1], floating = false } },
    { rule = { class = "Thunar" },				properties = { tag = screen[1].tags[2], switchtotag = true } },
    { rule = { class = "Evince" },				properties = { tag = screen[1].tags[3], switchtotag = true } },
    { rule = { class = "Eog" },					properties = { tag = screen[1].tags[4], switchtotag = true } },
    { rule = { name = "mutt" },					properties = { tag = screen[2].tags[2] } },
    { rule = { class = "Gmusicbrowser" },			properties = { tag = screen[2].tags[3] } },
    { rule = { class = "Quodlibet" },				properties = { tag = screen[2].tags[3] } },
    { rule = { class = "Google-chrome", instance = "play.google.com__music" },	properties = { tag = screen[2].tags[3] } },
    { rule = { class = "Steam" },				properties = { floating = true, tag = screen[2].tags[4] } },
    { rule = { instance = "plugin-container" },			properties = { floating = true }, callback = awful.titlebar.add  },
    { rule = { instance = "exe", class = "Exe" },		properties = { floating = true } },
    { rule = { class = "Wine" },				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)
-- }}}

-- {{{ Startup Apps
run_once("redshift")
run_once("xbindkeys")
-- run_once("parcellite", "--no-icon")
run_once("nitrogen","--restore")
run_once("xautolock", "-time 20 -locker 'i3lock -denc 000000' -killtime 60 -killer 'systemctl suspend' -detectsleep")
run_once("pulseaudio", "--daemonize")
-- }}}