awesomewm-config/rc.lua

--[[

   Awesome WM Configuration 1.1
   Distopico Vegan <distopico [at] riseup [dot] net>
   Licensed under GPL3

--]]

-- Standard awesome library
local gears = require("gears")
local awful = require("awful")
-- 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
-- Aditional libraries
local cyclefocus = require("libs/cyclefocus")
-- Custom widgets
local myvolume = require("widgets/volume")
local mybrightness = require("widgets/brightness")
local mybattery = require("widgets/battery")
local mywifi = require("widgets/wifi")
local mycpufreq = require("widgets/cpufreq")

require("awful.autofocus")

-- {{{ 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
sloppy_focus = false
notify_suspended = false

--Configure home path so you dont have too
home_path  = os.getenv("HOME") .. "/"
config_path = home_path .. ".config/awesome/"
-- Themes define colours, icons, font and wallpapers.
beautiful.init(config_path .. "theme/theme.lua")

-- This is used later as the default terminal and editor to run.
terminal = "urxvtc" or "urxvt" or "terminator" or "gnome-terminal" or "xterm"
editor = os.getenv("EDITOR") or "nano" or "emacs"
editor_cmd = terminal .. " -e " .. editor

-- user defined
browser    = "iceweasel"
browser2   = "firefox"
graphics   = "gimp"
musicplr   = terminal .. " -e ncmpcpp "

-- 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"
altkey = "Mod1"

local dbus_login = "dbus-send --system --print-reply --dest=org.freedesktop.login1 /org/freedesktop/login1 org.freedesktop.login1.Manager."
local screenshot_sound = config_path .. "theme/sounds/camera-shutter.oga"
local screenshot_dir = home_path .. "Pictures/Screenshots/"

-- {{{ Helper functions
local function initial_setup()
   if not gears.filesystem.is_dir(screenshot_dir) then
      gears.filesystem.make_directories(screenshot_dir)
   end
end
local function client_menu_toggle ()
   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 client_set_border(c)
   -- Fix inconsistent border behaviour when maximizing/fullscreen clients
   if c.fullscreen then
      c.border_width = 0
   elseif c.border_width == 0 and not c.no_border then
      c.border_width = beautiful.border_width
   end
end

local function client_resize (key, c)
   if c == nil then
      c = client.focus
   end


   if c.floating then
      if     key == "Up"    then c:relative_move(0, 0, 0, -5)
      elseif key == "Down"  then c:relative_move(0, 0, 0, 5)
      elseif key == "Right" then c:relative_move(0, 0, 5, 0)
      elseif key == "Left"  then c:relative_move(0, 0, -5, 0)
      elseif key == "Next"  then c:relative_move( 20,  20, -40, -40)
      elseif key == "Prior" then c:relative_move(-20, -20,  40,  40)
      else
	 return false
      end
   else
      if     key == "Up"    then awful.client.incwfact(-0.05)
      elseif key == "Down"  then awful.client.incwfact(0.05)
      elseif key == "Right" then awful.tag.incmwfact(0.05)
      elseif key == "Left"  then awful.tag.incmwfact(-0.05)
      else
	 return false
      end
   end

   return true
end

local function tag_view_nonempty (direction, screen)
   -- Non-empty tag browsing from lain
   -- direction in {-1, 1} <-> {previous, next} non-empty tag
   local s = screen or awful.screen.focused()

   for i = 1, #s.tags do
      awful.tag.viewidx(direction, s)
      if #s.clients > 0 then
	 return
      end
   end
end

function unless_gap_resize(size, screen, tag)
   local s = screen or awful.screen.focused()
   local t = tag or s.selected_tag
   if size == 0 then
      t.gap = beautiful.useless_gap
   else
      t.gap = t.gap + tonumber(size)
   end
   awful.layout.arrange(s)
end

local function notify_callback (args)
   if args.freedesktop_hints ~= nil and args.freedesktop_hints.urgency == "\2" then
      args.ignore_suspend = true
   end

   for _, c in pairs(awful.screen.object.get_clients()) do
      if c.fullscreen then
	 if not naughty.is_suspended() then
	    naughty.suspend()
	 end
	 return
      end
   end

   if naughty.is_suspended() and not notify_suspended then
      naughty.resume()
   end

   return args
end

local function system_lock ()
   awful.spawn("loginctl lock-session")
end

local function system_suspend ()
   awful.spawn(dbus_login .. "Suspend boolean:true")
end

local function system_hibernate ()
   awful.prompt.run {
      prompt       = "Hibernate (type 'yes' to confirm)? ",
      textbox      = awful.screen.focused().mypromptbox.widget,
      exe_callback = function (t)
	 if string.lower(t) == "yes" then
	    awful.spawn(dbus_login .. "Hibernate boolean:true")
	 end
      end,
      completion_callback = function (t, p, n)
	 return awful.completion.generic(t, p, n, {"no", "NO", "yes", "YES"})
      end
   }
end

local function system_hybrid_sleep ()
   awful.prompt.run {
      prompt       = "Hybrid Sleep (type 'yes' to confirm)? ",
      textbox      = awful.screen.focused().mypromptbox.widget,
      exe_callback = function (t)
	 if string.lower(t) == "yes" then
	    awful.spawn(dbus_login .. "HybridSleep boolean:true")
	 end
      end,
      completion_callback = function (t, p, n)
	 return awful.completion.generic(t, p, n, {"no", "NO", "yes", "YES"})
      end
   }
end

local function system_reboot ()
   awful.prompt.run {
      prompt       = "Reboot (type 'yes' to confirm)? ",
      textbox      = awful.screen.focused().mypromptbox.widget,
      exe_callback = function (t)
	 if string.lower(t) == "yes" then
	    awesome.emit_signal("exit", nil)
	    awful.spawn(dbus_login .. "Reboot boolean:true")
	 end
      end,
      completion_callback = function (t, p, n)
	 return awful.completion.generic(t, p, n, {"no", "NO", "yes", "YES"})
      end
   }
end

local function system_power_off ()
   awful.prompt.run {
      prompt       = "Power Off (type 'yes' to confirm)? ",
      textbox      = awful.screen.focused().mypromptbox.widget,
      exe_callback = function (t)
	 if string.lower(t) == "yes" then
	    awesome.emit_signal("exit", nil)
	    awful.spawn(dbus_login .. "PowerOff boolean:true")
	 end
      end,
      completion_callback = function (t, p, n)
	 return awful.completion.generic(t, p, n, {"no", "NO", "yes", "YES"})
      end
   }
end

local function take_screenshot (opts)
   if opts == nil then
      opts = ""
   end

   awful.spawn.easy_async_with_shell("maim " .. screenshot_dir .. "screenshot-$(date +%Y-%m-%d_%H-%M-%S).png " .. opts,
				     function ()
					awful.spawn.with_shell("ogg123 " .. screenshot_sound)
   end)
end

local function set_wallpaper(s, wallpaper)
   local wallpaper = wallpaper or beautiful.wallpaper
   -- Re-calculate wallpapers size
   if wallpaper then
      -- If wallpaper is a function, call it with the screen
      if type(wallpaper) == "function" then
	 wallpaper = wallpaper(s)
      end
      gears.wallpaper.maximized(wallpaper, s, false)
   end
end

local function load_wallpaper (wallpaper_path)
   local wallpaper = config_path .. "theme/_wall.jpg"
   -- TODO: replace io.open with a non-blocking
   -- https://awesomewm.org/doc/api/libraries/awful.spawn.html
   local ln = io.popen("ln -sfn '" .. wallpaper_path .. "' '" .. config_path .. "theme/_wall.jpg'")
   ln:close()
   -- set new wallpaper for all screens
   for s = 1, screen.count() do
      set_wallpaper(s, wallpaper)
   end
end

local function get_wallpaper_menu (wallpaper_path, is_submenu)
   local wallpaper_path = wallpaper_path or home_path .. "Pictures/Wallpapers"
   local wallmenu = {}

   if not is_submenu then
      local default_item = {
	 "Default",
	 function ()
	    awful.spawn.with_shell("rm " .. config_path .. "theme/_wall.jpg")
	    for s = 1, screen.count() do
	       set_wallpaper(s)
	    end
	 end
      }
      table.insert(wallmenu, default_item)
   end
   local files = io.popen("ls -1 --group-directories-first '" .. wallpaper_path .. "'")
   for line in files:lines() do
      local line_len = string.len(line) * 10

      if string.match(line, "%.png$") or string.match(line ,"%.jp[e]?g$") then
	 local wallpaper_name = line
	 local wallpaper = wallpaper_path .. "/" .. wallpaper_name
	 local item = { wallpaper_name, function () load_wallpaper(wallpaper) end, theme={ width=line_len } }
	 table.insert(wallmenu, item)
      else
	 local dir_name = line
	 local sub_path = wallpaper_path .. "/" .. dir_name
	 local check = io.open(sub_path, "r")
	 if check ~= nil then
	    local ok, err, code = check:read(1)
	    check:close()
	    if code == 21 then
	       local sub_items = get_wallpaper_menu(sub_path, true)
	       if next(sub_items) ~= nil then
		  table.insert(wallmenu, { dir_name, sub_items, theme={ width=line_len } })
	       end
	    end
	 end
      end
   end
   files:close()
   return wallmenu
end
--}}}

-- Notification
naughty.config.notify_callback = notify_callback
naughty.config.defaults.timeout = 10

-- Cyclefocus
cyclefocus.show_clients = false
cyclefocus.focus_clients = false
cyclefocus.display_prev_count = 1
cyclefocus.default_preset = {
   position = "top_left", -- deprecated options
   timeout = 0,
   margin = 3,
   border_width = 1,
   border_color = "#001E21",
   fg = "#00ffff",
   bg = "#001214"
}
--}}}

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

-- {{{ 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}
}

mysystemmenu = {
   --{ "manual", tools.terminal .. " -e man awesome" },
   { "&lock", system_lock },
   { "&suspend", system_suspend },
   { "hi&bernate", system_hibernate },
   { "hybri&d sleep", system_hybrid_sleep },
   { "&reboot", system_reboot },
   { "&power off", system_power_off }
}

mywallpapermenu = get_wallpaper_menu()

mymainmenu = awful.menu({
      items = {
	 { "&Awesome", myawesomemenu, beautiful.menu_icon },
	 { "&System", mysystemmenu },
	 { "&Wallpapers", mywallpapermenu },
	 { "&Terminal", terminal }
      }
})

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

-- Menubar configuration
app_folders =  { "~/.local/share/applications", "/usr/share/applications/", "/usr/local/share/applications" }
menubar.menu_gen.all_menu_dirs = app_folders
menubar.utils.terminal = terminal -- Set the terminal for applications that require it
-- }}}

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

-- {{{ Wibar
-- 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()),
   awful.button({ }, 4, function ()
	 awful.client.focus.byidx(1)
   end),
   awful.button({ }, 5, function ()
	 awful.client.focus.byidx(-1)
end))

-- Create a systray widget
local xresources = require("beautiful.xresources")

local dpi = xresources.apply_dpi
local mysystray = wibox.widget.systray()
local mysystraymargin = wibox.container.margin(mysystray, 2, 2, 2, 2)

-- Create a textclock widget
local mytextclock = wibox.widget.textclock()
local calendar = awful.widget.calendar_popup.month()
calendar:attach(mytextclock, "tr")

awful.screen.connect_for_each_screen(function(s)
      -- Widgets separators
      local separator1px = wibox.widget.imagebox()
      separator1px:set_image(beautiful.get().spr1px)
      local separator2px = wibox.widget.imagebox()
      separator2px:set_image(beautiful.get().spr2px)
      local separator4px = wibox.widget.imagebox()
      separator4px:set_image(beautiful.get().spr4px)
      local separator5px = wibox.widget.imagebox()
      separator5px:set_image(beautiful.get().spr5px)
      local separator10px = wibox.widget.imagebox()
      separator10px:set_image(beautiful.get().spr10px)

      -- Wallpaper
      set_wallpaper(s)

      -- Each screen has its own tag table.
      layouts = awful.layout.layouts
      tags = {
	 names = { "1", "2", "3", "4", "5", "6" },
	 layouts = { layouts[1], layouts[2], layouts[10], layouts[10], layouts[1], layouts[12] }
      }
      awful.tag(tags.names, s, tags.layouts)

      -- 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(gears.table.join(
			       awful.button({ }, 1, function () awful.layout.inc(layouts, 1) end),
			       awful.button({ }, 3, function () awful.layout.inc(layouts, -1) end),
			       awful.button({ }, 4, function () awful.layout.inc(layouts, 1) end),
			       awful.button({ }, 5, function () awful.layout.inc(layouts, -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.wibox({ position = "top", screen = s })

      -- Widgets that are aligned to the left
      local left_layout = wibox.layout.fixed.horizontal()
      if s.index == 1 then
	 left_layout:add(mylauncher)
      end
      left_layout:add(s.mytaglist)
      left_layout:add(s.mypromptbox)
      left_layout:add(separator10px)

      -- Widgets that are aligned to the right
      local right_layout = wibox.layout.fixed.horizontal()
      if s.index == 1 then
	 right_layout:add(mysystraymargin)
	 right_layout:add(separator2px)
	 right_layout:add(mykeyboardlayout)
	 right_layout:add(separator2px)
	 right_layout:add(mycpufreq.text)
	 right_layout:add(separator2px)
	 right_layout:add(myvolume.icon)
	 right_layout:add(separator1px)
	 right_layout:add(mybrightness.icon)

	 if mybattery.hasbattery then
	    right_layout:add(separator1px)
	    right_layout:add(mybattery.icon)
	 end

	 if mywifi.haswifi then
	    right_layout:add(separator1px)
	    right_layout:add(mywifi.icon)
	 end

	 right_layout:add(mytextclock)
      end
      right_layout:add(s.mylayoutbox)

      -- Add widgets to the wibox
      s.mywibox:setup {
	 layout = wibox.layout.align.horizontal,
	 left_layout,  -- Left widget
	 s.mytasklist, -- Middle widget
	 right_layout, -- Right widget
      }
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"}),

   -- Non-empty tag browsing
   awful.key({ modkey,            }, "Next",
      function ()
	 tag_view_nonempty(1)
      end, {description = "focus next non-empty tag", group = "tag"}),
   awful.key({ modkey,            }, "Prior",
      function ()
	 tag_view_nonempty(-1)
      end, {description = "focus previous non-empty tag", group = "tag"}),

   -- Unless gaps resize
   awful.key({ modkey, "Control" }, "+",
      function ()
	 unless_gap_resize(1)
      end, {description = "increase unless gap size on current screen and tag", group = "layout"}),
   awful.key({ modkey, "Control" }, "-",
      function ()
	 unless_gap_resize(-1)
      end, {description = "reduce unless gap size on current screen and tag", group = "layout"}),
   awful.key({ modkey, "Control" }, "0",
      function ()
	 unless_gap_resize(0)
      end, {description = "reset unless gap size on current screen and tag", group = "layout"}),

   -- Take a screenshot
   awful.key({                   }, "Print", take_screenshot,
      {description = "print a screenshot", group = "screenshot"}),
   awful.key({ altkey            }, "Print", function () take_screenshot("--delay=10") end,
      {description = "print a screenshot after 10 sec", group = "screenshot"}),
   awful.key({ modkey            }, "Print", function () take_screenshot("-s") end,
      {description = "print a screenshot by area", group = "screenshot"}),

   -- Default client focus
   awful.key({ modkey,           }, "j",
      function ()
	 awful.client.focus.byidx( 1)
	 if client.focus then client.focus:raise() end
      end, {description = "focus next by index", group = "client"}),
   awful.key({ modkey,           }, "k",
      function ()
	 awful.client.focus.byidx(-1)
	 if client.focus then client.focus:raise() end
      end, {description = "focus previous by index", group = "client"}),

   -- 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"}),
   awful.key({ altkey,          }, "Tab",
      function(c)
	 cyclefocus.cycle(1)
      end, {description = "cycle focus next client", group = "client"}),
   awful.key({ altkey, "Shift"  }, "Tab",
      function(c)
	 cyclefocus.cycle(-1)
      end, {description = "cycle focus previous client", group = "client"}),

   awful.key({ modkey,           }, "l",     function () client_resize('Right')         end,
      {description = "increase master width factor", group = "layout"}),
   awful.key({ modkey,           }, "h",     function () client_resize('Left')        end,
      {description = "decrease master width factor", group = "layout"}),
   awful.key({ modkey, altkey    }, "l",     function () client_resize('Up')           end,
      {description = "increase client height factor", group = "layout"}),
   awful.key({ modkey, altkey    }, "h",     function () client_resize('Down')         end,
      {description = "decrease client height factor", group = "layout"}),
   awful.key({ modkey, "Shift"   }, "h",     function () awful.tag.incnmaster( 1)      end,
      {description = "increase the number of master clients", group = "layout"}),
   awful.key({ modkey, "Shift"   }, "l",     function () awful.tag.incnmaster(-1)      end,
      {description = "decrease the number of master clients", group = "layout"}),
   awful.key({ modkey, "Control" }, "h",     function () awful.tag.incncol( 1)         end,
      {description = "increase the number of columns", group = "layout"}),
   awful.key({ modkey, "Control" }, "l",     function () awful.tag.incncol(-1)         end,
      {description = "decrease the number of columns", group = "layout"}),
   awful.key({ modkey,           }, "space", function () awful.layout.inc(layouts,  1) end,
      {description = "select next layout", group = "layout"}),
   awful.key({ modkey, "Shift"   }, "space", function () awful.layout.inc(layouts, -1) end,
      {description = "select previous layout", group = "layout"}),
   awful.key({ modkey, "Control" }, "t",
      function ()
	 awful.layout.set(awful.layout.suit.tile)
      end, {description = "switch to tile layout", group = "layout"}),
   awful.key({ modkey, "Control" }, "m",
      function ()
	 awful.layout.set(awful.layout.suit.max)
      end, {description = "switch to max layout", group = "layout"}),
   awful.key({ modkey, "Control" }, "f",
      function ()
	 awful.layout.set(awful.layout.suit.floating)
      end, {description = "switch to floating layout", 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"}),

   -- 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"}),

   -- System volume
   awful.key({                   }, "XF86AudioRaiseVolume", myvolume.raise),
   awful.key({                   }, "XF86AudioLowerVolume", myvolume.lower),
   awful.key({                   }, "XF86AudioMute", myvolume.mute),

   -- System brightness
   awful.key({                   }, "XF86MonBrightnessDown", function() mybrightness:down() end),
   awful.key({                   }, "XF86MonBrightnessUp", function() mybrightness:up() end),

   -- Toggle sloppy focus
   awful.key({ modkey, "Shift"   }, "s",
      function ()
	 sloppy_focus = not sloppy_focus
      end, {description = "toggle sloppy focus", group = "client"}),

   -- Notifications
   awful.key({ modkey, "Shift"   }, "s",
      function ()
	 -- TODO: move to external widget with icon
	 if naughty.is_suspended() then
	    notify_suspended = false
	    naughty.resume()
	 else
	    notify_suspended = true
	    naughty.suspend()
	 end
      end, {description = "enabled/disable notifications", group = "awesome"}),

   awful.key({ modkey, "Shift"   }, "d", naughty.destroy_all_notifications,
      {description = "clear notifications", group = "awesome"}),

   -- System
   awful.key({ modkey,           }, "Home", system_lock,
      {description = "lock the screen", group = "system"}),
   awful.key({ modkey,           }, "End", system_suspend,
      {description = "suspend the system", group = "system"}),
   awful.key({                   }, "XF86Sleep", system_suspend),
   awful.key({ modkey, "Shift"   }, "Home", system_hibernate,
      {description = "hibernate the system", group = "system"}),
   awful.key({ modkey            }, "XF86Sleep", system_hibernate),
   awful.key({ modkey, "Shift"   }, "End", system_hybrid_sleep,
      {description = "send to hybrid sleep", group = "system"}),
   awful.key({ modkey,           }, "Insert", system_reboot,
      {description = "reboot the system", group = "system"}),
   awful.key({ modkey,           }, "Delete", system_power_off,
      {description = "shutdown the system", group = "system"}),


   -- Prompt
   awful.key({ modkey },            "r",
      function ()
	 awful.prompt.run {
	    prompt              = "Run: ",
	    textbox             = awful.screen.focused().mypromptbox.widget,
	    completion_callback = awful.completion.shell,
	    history_path        = awful.util.get_cache_dir() .. "/history"
	 }
      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({ altkey         }, "Escape",
      function ()
	 -- If you want to always position the menu on the same place set coordinates
	 awful.menu.menu_keys.down = { "Down", "Alt_L" }
	 awful.menu.clients({theme = { width = 250 }}, { keygrabber=true, coords={x=525, y=330} })
      end, {description = "show app switcher", group = "awesome"}),
   awful.key({ modkey,         }, "a", function () awful.spawn("rofi -show", false) end,
      {description = "show rofi", group = "launcher"}),
   awful.key({ modkey,         }, "p", function() menubar.show() end,
      {description = "show the menubar", group = "launcher"}),
   awful.key({ modkey,         }, "w", function () mymainmenu:show() end,
      {description = "show main menu", group = "awesome"}),
   awful.key({ modkey, "Shift" }, "w",
      function ()
	 mymainmenu:show({ keygrabber = true })
      end,  {description = "show main menu with keygrabber", group = "awesome"})
)

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({ altkey,           }, "F2",
      function (c)
	 if c.pid then
	    awful.spawn("kill -9 " .. c.pid)
	 else
	    awful.spawn("xkill")
	 end
      end,
      {description = "kill", group = "client"}),
   awful.key({ altkey,           }, "F4",     function (c) c:kill()                         end,
      {description = "close", 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,  "Shift"  }, "Left",   function (c) awful.client.setmaster(c)        end,
      {description = "set to master", group = "client"}),
   awful.key({ modkey,  "Shift"  }, "Right",  function (c) awful.client.setslave(c)         end,
      {description = "move to slave", 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,           }, "y",      function (c) c.sticky = not c.sticky          end,
      {description = "toggle keep sticky", group = "client"}),
   awful.key({ modkey, "Shift"   }, "t",
      function (c)
	 awful.titlebar.toggle(c)
      end,
      {description = "toggle title bar", 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, altkey   }, "m",
      function (c)
	 c.maximized_horizontal = not c.maximized_horizontal
	 c.maximized_vertical   = not c.maximized_vertical
	 c:raise()
      end, {description = "(un)maximize horizontally/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"}),
   awful.key({ modkey, "Control" }, "m",
      function (c)
	 c.maximized_vertical = not c.maximized_vertical
	 c:raise()
      end, {description = "(un)maximize vertically", group = "client"}),
   -- Snap
   awful.key({ modkey,           }, "Up",
      function (c)
	 c.maximized = true
	 c:raise()
      end, {description = "maximize", group = "client"}),
   awful.key({ modkey,           }, "Down",
      function (c)
	 c.maximized = false
	 c:raise()
	 awful.placement.centered(c,nil)
      end, {description = "unmaximize", group = "client"}),
   -- Resize
   awful.key({ modkey, altkey    }, "s",
      function (c)
	 keygrabber.run(function(mod, key, event)
	       if event == "release" then return end

	       local makeResize = client_resize(key, c)

	       if makeResize == false then
		  keygrabber.stop()
	       end
	 end)
      end, {description = "resize the client", 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 = 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)
-- }}}

function titlebar_add(c)
   -- buttons for the titlebar
   local buttons = gears.table.join(
      awful.button({ }, 1, function()
	    c:emit_signal("request::activate", "titlebar", {raise = true})
	    awful.mouse.client.move(c)
      end),
      awful.button({ }, 3, function()
	    c:emit_signal("request::activate", "titlebar", {raise = true})
	    awful.mouse.client.resize(c)
      end)
   )

   awful.titlebar(c, {size = 16}) : 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

function awful.rules.extra_properties.icon (c, value, props)
   awful.spawn.with_shell("xseticon -id " .. c.window .. " " .. value)
end

function awful.rules.extra_properties.titlebars_show (c, value, props)
   -- Custom property to hide/show titlebars
   -- titlebar.toggle doesn't work fine if 'titlebars_enabled' is false
   if value then
      awful.titlebar.show(c)
   else
      awful.titlebar.hide(c)
   end
end

-- {{{ Rules
-- Rules to apply to new clients (through the "manage" signal).
screen_max = screen:count()
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,
	titlebars_enabled = true,
	titlebars_show = false,
	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",
	   "Gpick",
	   "Kruler",
	   "MessageWin",  -- kalarm.
	   "Sxiv",
	   "Tor Browser", -- Needs a fixed window size to avoid fingerprinting by screen size.
	   "Wpa_gui",
	   "pinentry",
	   "veromix",
	   "xtightvncviewer"},

	name = {
	   "Event Tester",  -- xev.
	},
	role = {
	   "AlarmWindow",  -- Thunderbird's calendar.
	   "pop-up",       -- e.g. Developer Tools.
	   "About"
	}
   }, properties = { floating = true }},

   -- Add titlebars to normal clients and dialogs
   { rule_any = { type = { "dialog" }},
     except_any = { role = { "notify_dialog" }},
     properties = {
	titlebars_show = true,
	floating = true,
	screen = awful.screen.focused,
	placement = awful.placement.under_mouse+awful.placement.no_offscreen,
	callback = awful.client.setslave
     }
   },
   -- Custom
   { rule_any = { class = { "MPlayer", "mpv" } },
     properties = { floating = true }
   },
   { rule = { instance = "mps" },
     properties = {
	screen = 2,
	tag = "2",
	placement = awful.placement.top_left,
	skip_taskbar = true,
	floating = true,
	ontop = true,
	focusable = false,
	focus = false,
	width = 200,
	honor_padding = true,
	callback = function(c)
	   c:relative_move(12, 5, c.width, c.height)
	end
     }
   },
   { rule = { class = "Gimp.*" },
     properties = { tag = "6", floating = true }
   },
   { rule_any = { class = { "URxvt", ".*ermina.*" } },
     properties = { tag = "2", size_hints_honor = false, icon = "/usr/share/icons/Moka/48x48/apps/terminal.png" }
   },
   { rule = { class = "Emacs" },
     properties = { tag = "3", switch_to_tags = true, size_hints_honor = false }
   },
   { rule_any = { instance = { "Lf" }, name = { ".*Lf.*" } },
     properties = { tag = "6", screen = screen_max, size_hints_honor = false, icon = "/usr/share/icons/Moka/48x48/apps/file-manager.png" }
   },
   { rule_any = { instance = { "Mc", "Nnn" }, name = { ".*mc .*", ".*Nnn.*" } },
     properties = { tag = "6", screen = 1, switch_to_tags = true, size_hints_honor = false, icon = "/usr/share/icons/Moka/48x48/apps/file-manager.png" }
   },
   { rule_any = { role = { "browser" }, class = { "Epiphany" }},
     properties = { tag = "4", maximized_vertical = true, maximized_horizontal = true }
   },
   { rule_any = { instance = { "WeeChat" }, name = { ".*weeChat.*" } },
     properties = {
	tag = "5", switch_to_tags = true, maximized_vertical = true, maximized_horizontal = true, icon = "/usr/share/icons/hicolor/32x32/apps/weechat.png"
     }
   },
   { rule_any = { name = {"^Android Emulator*", "^Emulator"} },
     properties = {
	floating = true,
	callback = function(c)
	   -- force due the behavior in property::size
	   c.border_width = 0
	   c.no_border = true
	end
     }
   },
   { rule = { name = "^Emulator", type = "utility"},
     properties = {
	skip_taskbar = true,
	focusable = false
     }
   },
   {
      rule = { class = "jetbrains-studio", name="^win[0-9]+$" },
      properties = {
	 placement = awful.placement.no_offscreen,
	 screen = awful.screen.preferred,
	 border_width = 0,
	 titlebars_enabled = false,
	 titlebars_show = false,
	 focusable = false,
      }
   },
   { rule = { instance = "Pidgin" },
     properties = { tag = "5", size_hints_honor = false, floating = true }
   },
   { rule = { class = "Pidgin", role = "conversation" },
     properties = {
	tag = "5", screen = 1, width = 500, height = 350, placement = awful.placement.top_right,
	callback = function(c)
	   c:relative_move(320, 10, c.width, c.height)
	end
   }},
   { rule = { class = "Pidgin", role = "buddy_list" },
     properties = {
	tag = "5", screen = 1, width = 150, height = 350, placement = awful.placement.top_left,
	callback = function(c)
	   awful.client.setmaster(c)
	   c:relative_move(20, 10, c.width, c.height)
	end
     },
   },
   { rule = { class = "Kodi" },
     properties = { tag = "1", screen = 2, fullscreen = true, ontop = true, switch_to_tags = true }
   },
   { rule = { name = "Media viewer" },
     properties = { fullscreen = true, ontop = true, size_hints_honor = true }
   }
}
-- }}}

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

-- 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", titlebar_add)


-- Enable sloppy focus, so that focus follows mouse.
client.connect_signal(
   "mouse::enter", function(c)
      if sloppy_focus and awful.layout.get(c.screen) ~= awful.layout.suit.magnifier
      and awful.client.focus.filter(c) then
	 c:emit_signal("request::activate", "mouse_enter", {raise = false})
      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)
client.connect_signal("property::size", client_set_border)
client.connect_signal("property::fullscreen", client_set_border)
-- }}}

-- {{{ Autorun apps and initial setup
awful.spawn.with_shell(config_path .. "autorun.sh", false)
initial_setup()
-- }}}