-- {{{ Imports
-- Standard awesome library
local gears = require("gears")
local awful = require("awful")
require("awful.autofocus")
-- Widget and layout library
local wibox = require("wibox")
-- Tyrannical tab handling
--local tyrannical = require("tyrannical")
-- Theme handling library
local beautiful = require("beautiful")
local xrdb = beautiful.xresources
-- 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")
-- Other libraries
local lain = require("lain")
local ccwidgets = require("cryptocoin_widgets")
local clocksarray = require("clocksarray")
local dbg = require("debugfunc")
local th = require("taghelpers")
-- }}}

-- {{{ 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
--xrdb.set_dpi(95, screen[1])
--xrdb.set_dpi(120, screen[2])

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

-- This is used later as the default terminal and editor to run.
terminal = "rxvt-unicode"
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"
cmdkey = "Mod3"

-- Table of layouts to cover with awful.layout.inc, order matters.
local layouts = {
    default = awful.layout.suit.fair,
    tiled = awful.layout.suit.tile,
    floating = awful.layout.suit.floating,
    maximised = awful.layout.suit.max
}
awful.layout.layouts = {
    layouts.default,
    layouts.tiled,
    layouts.maximised,
    layouts.floating,
}
-- }}}

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

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

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

local function move_mouse_to_area(a)
    local coords = mouse.coords()
    if (coords.x < a.x or
        coords.x > (a.x+a.width) or
        coords.y < a.y or
        coords.y > (a.y+a.height)) then

        mouse.coords({
            x = a.x + a.width/2,
            y = a.y + a.height/2,
        }, true)
    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
-- }}}

-- {{{ Wibar
--local spacer = wibox.widget {
--    color = beautiful.bg_minimize,
--    forced_width = 4,
--    widget = wibox.widget.separator
--}
local spacer = wibox.widget.textbox()
spacer:set_text(" │ ")

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

local lain_bat = lain.widget.bat({
    batteries = {"BAT0", "BAT1"},
    settings = function()
        local delim = "↓"
        if bat_now.status == "Charging" then delim = "↑"
        elseif bat_now.status == "Unknown" then delim = "٭" end
        widget:set_text(bat_now.perc .. "% " .. delim .. " " .. bat_now.time)
    end,
})

-- Create a textclock widget
clocksarray = clocksarray.get_clocksarray("%a %d %b %H:%M:%S %Z", {
        ["NZ"] = "Pacific/Auckland",
        ["DE"] = "Europe/Berlin"
    }, spacer)

-- 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
                                                  -- I don't like click-minimising
                                                  -- 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))
-- }}}

-- {{{ Screens

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

-- {{{ Basic setup for screens
local function screen_set_profile(s, profile)
    s.profile = profile
    s.outputstr = table.concat(gears.table.keys(s.outputs), "+")
    s.name = s.profile .. "/" .. s.outputstr
end

awful.screen.connect_for_each_screen(function(s)

    s.set_profile = screen_set_profile

    -- Wallpaper
    set_wallpaper(s)

    -- Create a text widget to display screen name
    s.namebox = wibox.container.background(wibox.widget.textbox(s.name),
      beautiful.bg_minimize)

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

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

    -- Create the wibox, but only if there isn't one yet
    if not s.mywibox then
        s.mywibox = awful.wibar({ position = "top", screen = s })
    end

    -- Add widgets to the wibox
    local right_widgets = gears.table.join(clocksarray, {
        spacer,
        --spacing = 4,
        --spacing_widget = spacer,
        s.mylayoutbox,
        layout = wibox.layout.fixed.horizontal,
    })

    if s == screen.primary then
        right_widgets = gears.table.join({
            wibox.widget.systray(),
            spacer,
            ccwidgets.btc_widget,
            spacer,
            ccwidgets.eth_widget,
            spacer,
            lain_bat.widget,
            spacer,
        }, right_widgets)
    end

    s.mywibox:setup {
        layout = wibox.layout.align.horizontal,
        { -- Left widgets
            spacing = 4,
            spacing_widget = spacer,
            layout = wibox.layout.fixed.horizontal,
            --s.namebox,
            s.mytaglist,
            s.mypromptbox,
        },
        s.mytasklist, -- Middle widget
        right_widgets,
    }
end) -- }}}

-- {{{ autorandr integration
local function find_screen_by_name(name)
    for s in screen do
        if s.name == name then
            return s
        end
    end
end

local function get_target_screen_for_tag(tag)
    local function primary_screen(reason)
        local s = screen.primary
        local msg = "  → primary screen \"" .. s.name .. "\""
        if reason then msg = msg .. " (" .. reason .. ")" end
        print(msg)
        return s
    end

    print("Figuring out target screen for tag " .. tag.name .. "…")
    if tag.targets then
        if type(tag.targets) == "table" then
            for _,target in ipairs(tag.targets) do
                local s = find_screen_by_name(target)
                if s then
                    print("  → screen " .. s.name)
                    return s
                end
            end
        elseif tag.targets == "primary" then
            return primary_screen("explicit request")
        end
        return primary_screen("no matching target in " .. table.concat(tag.targets, ","))
    else
        return primary_screen("no targets specified")
    end
end

local function move_tag_to_target_screen(tag)
    tag.screen = get_target_screen_for_tag(tag)
end

local function move_tags_to_target_screens()
    for _,tag in ipairs(root.tags()) do
        move_tag_to_target_screen(tag)
    end
end

tag.connect_signal("request::screen", function(t)
    -- throw the tag onto any other screen, it'll get reassigned later when
    -- a new profile has been processed.
    for s in screen do
        if s ~= t.screen then
            t.screen = s
            t.selected = false
            break
        end
    end
    naughty.notify({
        title = "Screen removed",
        text = "Salvaged tab " .. t.name .. " onto screen " .. t.screen.name,
    })
end)

function handle_new_autorandr_profile(newprofile)
    -- The main idea here is that autorandr invokes this via awesome-client
    -- after switching to a new profile. Awesome will have already set up all
    -- the screens long before this function is called. Therefore, we just do
    -- the necessary modifications to the existing screens, and move tags
    -- around.

    if not newprofile then
        error("Missing new profile name")
    end

    naughty.notify({
        preset = naughty.config.presets.low,
        title = "New autorandr profile",
        text = "Reconfiguring for profile <b>" .. newprofile .. "</b>",
    })

    for s in screen do
        s:set_profile(newprofile)
    end
    move_tags_to_target_screens()
end

local function initialise_to_autorandr_profile()
    local profile

    local function process_line(line)
        if profile then return end
        local match = string.match(line, "^([^%s]+) %(detected%)$")
        if match then
            profile = match
        end
    end

    local function output_done()
        if not profile then
            error("autorandr detected no profile")
            profile = "awesome"
        end
        handle_new_autorandr_profile(profile)
    end

    local function handle_exit(reason, code)
        if not (reason == "exit" and code == 0) then
            error("autorandr error: " .. reason .. ": " .. tostring(code))
        end
    end

    awful.spawn.with_line_callback('autorandr', {
        stderr = process_line,
        output_done = output_done,
        exit = handle_exit
    })
end
awesome.connect_signal("startup", initialise_to_autorandr_profile)
-- }}}

-- }}}

-- {{{ Tags

local default_tag = {
    name        = nil,
    init        = true,
    layout      = layouts.default,
    fallback    = true,
    targets     = "primary",
}
local default_tags = {}
for i = 1, 9 do
    default_tags[i] = {}
    for k,v in pairs(default_tag) do
        default_tags[i][k] = v
    end
    default_tags[i].name = tostring(i)
end
default_tags[1].selected = true

default_tags = gears.table.join(default_tags, {
  {
    name        = "irc",
    init        = true,
    exclusive   = true,
    master_width_factor = 0.33,
    layout      = layouts.tiled,
    selected    = true,
    exec_once   = { terminal .. " -name irc -e env MOSH_TITLE_NOPREFIX=true mosh -4 -- irc-host tmux new -As irc irssi" },
    instance    = { "irc" },
    targets     = { "catalyst/eDP1", "mtvic/eDP1" },
  },
  {
    name        = "[m]",
    init        = true,
    exclusive   = true,
    master_width_factor = 0.67,
    layout      = layouts.tiled,
    selected    = true,
    exec_once   = { "revolt" },
    instance    = { "Revolt" },
    targets     = { "catalyst/eDP1", "mtvic/eDP1" },
  },
  {
    name        = "dflt",
    init        = false,
    fallback    = true,
    layout      = layouts.floating,
    volatile    = true,
    selected    = true,
  },
  {
    name        = "cal",
    init        = true,
    exclusive   = true,
    layout      = layouts.default,
    exec_once   = { "thunderbird" },
    class       = { "Thunderbird" },
    targets     = { "catalyst/HDMI1", "mtvic/eDP1" },
  },
  {
    name        = "chr",
    init        = true,
    exclusive   = true,
    layout      = layouts.default,
    exec_once   = { "chromium" },
    class       = { "Chromium" },
    targets     = { "catalyst/HDMI1", "mtvic/eDP1" },
  },
  {
    name        = "ffx",
    init        = true,
    exclusive   = true,
    layout      = layouts.default,
    exec_once   = { "firefox" },
    class       = { "Firefox" },
    targets     = { "catalyst/HDMI1", "mtvic/eDP1" },
  },
})

if not tyrannical then

for _,t in ipairs(default_tags) do
    if t.init then
        t.screen = t.screen or screen.primary
        t.layout = t.layout or layouts.default
        local newt = th.add_tag(t.name, t, false)
    end
end

else -- {{{ tyrannical is loaded
tyrannical.settings.default_layout = layouts.default
tyrannical.settings.master_width_factor = 0.5
tyrannical.settings.block_children_focus_stealing = true
tyrannical.settings.group_children = true

tyrannical.tags = default_tags

tyrannical.properties.size_hints_honor = { URxvt = false }

--XX---- Ignore the tag "exclusive" property for the following clients (matched by classes)
--XX--tyrannical.properties.intrusive = {
--XX--  "ksnapshot"     , "pinentry"       , "gtksu"     , "kcalc"        , "xcalc"               ,
--XX--  "feh"           , "Gradient editor", "About KDE" , "Paste Special", "Background color"    ,
--XX--  "kcolorchooser" , "plasmoidviewer" , "Xephyr"    , "kruler"       , "plasmaengineexplorer",
--XX--}
--XX--
--XX---- Ignore the tiled layout for the matching clients
--XX--tyrannical.properties.floating = {
--XX--  "MPlayer"      , "pinentry"        , "ksnapshot"  , "pinentry"     , "gtksu"          ,
--XX--  "xine"         , "feh"             , "kmix"       , "kcalc"        , "xcalc"          ,
--XX--  "yakuake"      , "Select Color$"   , "kruler"     , "kcolorchooser", "Paste Special"  ,
--XX--  "New Form"     , "Insert Picture"  , "kcharselect", "mythfrontend" , "plasmoidviewer"
--XX--}
--XX--
--XX---- Make the matching clients (by classes) on top of the default layout
--XX--tyrannical.properties.ontop = {
--XX--  "Xephyr"       , "ksnapshot"       , "kruler"
--XX--}
--XX--
--XX---- Force the matching clients (by classes) to be centered on the screen on init
--XX--tyrannical.properties.centered = {
--XX--  "kcalc"
--XX--}
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

local function toggle_tag_by_name(tagname, exclusive)
    return function()
        local t = awful.tag.find_by_name(nil, tagname)
        if t then
            if exclusive then
                t:view_only()
            else
                awful.tag.viewtoggle(t)
            end
            cf = awful.client.getmaster(t.screen)
            if cf then
                cf:jump_to()
            end
        end
    end
end

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

    -- Layout manipulation
    awful.key({ modkey, "Shift"   }, "k", function () awful.client.swap.byidx(  1)    end,
              {description = "swap with next client by index", group = "client"}),
    awful.key({ modkey, "Shift"   }, "j", function () awful.client.swap.byidx( -1)    end,
              {description = "swap with previous client by index", group = "client"}),
    awful.key({ modkey, "Control" }, "k", function () awful.screen.focus_relative( 1) end,
              {description = "focus the next screen", group = "screen"}),
    awful.key({ modkey, "Control" }, "j", function () awful.screen.focus_relative(-1) end,
              {description = "focus the previous screen", group = "screen"}),
    awful.key({ modkey, "Shift"   }, "Return", 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,           }, "r", function()
        package.loaded.rc = nil
        require("rc")
    end,
              {description = "reload rc.lua", group = "awesome"}),
    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({ cmdkey },            "r",
              function ()
                  local widget = awful.screen.focused().mypromptbox.widget
                  local function spawn(command, args)
                      gears.debug.dump(args)
                      awful.spawn(command, args)
                  end

                  awful.prompt.run {
                    prompt       = "Exec: ",
                    bg_cursor    = '#ff0000',
                    textbox      = widget,
                    history_path = awful.util.get_cache_dir() .. "/history",
                    hooks = {
                        -- Replace the 'normal' Return with a custom one
                        {{         }, 'Return', function(command)
                            spawn(command)
                        end},
                        -- Spawn method to spawn in the current tag
                        {{'Mod1'   }, 'Return', function(command)
                            spawn(command,{
                                intrusive = true,
                                tag       = mouse.screen.selected_tag
                            })
                        end},
                        -- Spawn in the current tag as floating and on top
                        {{'Shift'  }, 'Return', function(command)
                            spawn(command,{
                                ontop     = true,
                                floating  = true,
                                tag       = mouse.screen.selected_tag
                            })
                        end},
                        -- Spawn in a new tag
                        {{'Control'}, 'Return', function(command)
                            spawn(command,{
                                new_tag = true,
                                layout = layouts.default,
                                volatile = true,
                            })
                        end},
                        -- Cancel
                        {{         }, 'Escape', function(_) return end},
                    },
                }
        end,
              {description = "run prompt", group = "launcher"}),

    awful.key({ modkey }, "x",
              function ()
                  awful.prompt.run {
                    prompt       = "Eval: ",
                    bg_cursor    = '#ff0000',
                    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 }, "w", function() menubar.show() end,
              {description = "show the menubar", group = "launcher"}),

    -- Tag helpers
    awful.key({ modkey,           }, "a", function()
        th.add_tag(nil, {layout=layouts.default} ,true)
    end,
    {description = "add a tag", group = "tag"}),
    awful.key({ modkey,           }, "d", th.delete_tag,
              {description = "delete the current tag", group = "tag"}),
    awful.key({ modkey, "Shift",           }, "a", function()
        move_to_new_tag(nil,nil,true,true,true)
    end,
              {description = "add a volatile tag with the focused client", group = "tag"}),
    awful.key({ modkey, "Shift", "Control" }, "a", function()
        move_to_new_tag(nil,nil,false,true,true)
    end,
              {description = "add a permanent tag with the focused client", group = "tag"}),
    awful.key({ modkey, "Mod1"   }, "a", th.copy_tag,
              {description = "create a copy of the current tag", group = "tag"}),
    awful.key({ modkey, "Control"   }, "a", th.rename_tag,
              {description = "rename the current tag", group = "tag"}),
    awful.key({ modkey, "Control", "Shift", "Mod1" }, "a", th.collect_orphan_clients_to_tag,
              {description = "collect all orphaned clients", group = "client"}),

    awful.key({ modkey }, "y", toggle_tag_by_name("irc", true),
              {description = "view tag 'irc'", group = "tag"}),
    awful.key({ modkey, "Control" }, "y", toggle_tag_by_name("irc"),
              {description = "toggle tag 'irc'", group = "tag"}),
    awful.key({ modkey }, "u", toggle_tag_by_name("[m]", true),
              {description = "view tag '[m]'", group = "tag"}),
    awful.key({ modkey, "Control" }, "u", toggle_tag_by_name("[m]"),
              {description = "toggle tag '[m]'", group = "tag"}),
    awful.key({ modkey }, "i", toggle_tag_by_name("cal", true),
              {description = "view tag 'cal'", group = "tag"}),
    awful.key({ modkey, "Control" }, "i", toggle_tag_by_name("cal"),
              {description = "toggle tag 'cal'", group = "tag"}),
    awful.key({ modkey }, "o", toggle_tag_by_name("chr", true),
              {description = "view tag 'chr'", group = "tag"}),
    awful.key({ modkey, "Control" }, "o", toggle_tag_by_name("chr"),
              {description = "toggle tag 'chr'", group = "tag"}),
    awful.key({ modkey }, "p", toggle_tag_by_name("ffx", true),
              {description = "view tag 'ff'", group = "tag"}),
    awful.key({ modkey, "Control" }, "p", toggle_tag_by_name("ffx"),
              {description = "toggle tag 'ff'", group = "tag"}),
{})

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,           }, "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.maximized_horizontal = false
            c.maximized_vertical = false
            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, toggle_tag_by_name(tostring(i), true),
                  {description = "view tag #"..i, group = "tag"}),
        -- Toggle tag display.
        awful.key({ modkey, "Control" }, "#" .. i + 9, toggle_tag_by_name(tostring(i)),
                  {description = "toggle tag #" .. i, group = "tag"}),
        -- Move client to tag.
        awful.key({ modkey, "Shift" }, "#" .. i + 9,
                  function ()
                      if client.focus then
                          local tag = awful.tag.find_by_name(screen.primary, tostring(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 = awful.tag.find_by_name(screen.primary, tostring(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))

-- misc apps
globalkeys = awful.util.table.join(globalkeys,
awful.key({ cmdkey }, "n", function () awful.spawn("firefox") end),
awful.key({ cmdkey }, "m", function () awful.spawn("chromium --enable-remote-extensions") end),
awful.key({ cmdkey }, "y", function () awful.spawn(terminal .. " -e python") end),
awful.key({ cmdkey }, "c", function () awful.spawn("thunderbird") end),
awful.key({ cmdkey }, "g", function () awful.spawn("gscan2pdf") end),
awful.key({ cmdkey }, "v", function () awful.spawn("virt-manager") end),
awful.key({ cmdkey }, "l", function () awful.spawn("libreoffice") end),
awful.key({ cmdkey }, "f", function () awful.spawn("thunar") end),
awful.key({ cmdkey }, "i", function () awful.spawn(terminal .. " -name irc -e env MOSH_TITLE_NOPREFIX=true mosh -4 -- irc-host tmux new -As irc irssi") end),
awful.key({ cmdkey }, "x", function ()
    awful.spawn("/usr/bin/xscreensaver -no-capture-stderr")
    os.execute("sleep 5")
    awful.spawn("xscreensaver-command -lock")
end),
awful.key({ cmdkey, "Shift" }, "x", function () awful.spawn("xscreensaver-command -exit") end),

-- function keys
awful.key(nil, "XF86ScreenSaver", function () awful.spawn("xset dpms force off") end),
awful.key(nil, "XF86AudioMute", function () awful.spawn("pactl set-sink-mute 0 toggle") end),
awful.key({ cmdkey }, "End", function () awful.spawn("pactl set-sink-mute 0 toggle") end),
awful.key(nil, "XF86AudioLowerVolume", function () awful.spawn("pactl set-sink-volume 0 -2%") end),
awful.key({ cmdkey }, "Next", function () awful.spawn("pactl set-sink-volume 0 -2%") end),
awful.key(nil, "XF86AudioRaiseVolume", function () awful.spawn("pactl set-sink-volume 0 +2%") end),
awful.key({ cmdkey }, "Prior", function () awful.spawn("pactl set-sink-volume 0 +2%") end),
awful.key(nil, "XF86AudioMicMute", function () awful.spawn("pactl set-source-mute 1 toggle") end),
awful.key({ cmdkey }, "Home", function () awful.spawn("pactl set-source-mute 1 toggle") end),
awful.key(nil, "XF86MonBrightnessDown", function () awful.spawn("xbacklight -dec 5%") end),
awful.key(nil, "XF86MonBrightnessUp", function () awful.spawn("xbacklight -inc 5%") end),
awful.key(nil, "XF86Display", function () awful.spawn("") end),
awful.key(nil, "XF86WLAN", function () awful.spawn("") end),
awful.key(nil, "XF86Tools", function () awful.spawn("") end),
awful.key(nil, "XF86Search", function () awful.spawn("") end),
awful.key(nil, "XF86LaunchA", function () awful.spawn("") end),
awful.key(nil, "XF86Explorer", function () awful.spawn("") end)
)

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

-- {{{ Rules
-- Rules to apply to new clients (through the "manage" signal).

local function float_client_in_the_middle_with_margins(client, leftright, topbottom)
    local wa = client.screen.workarea
    if topbottom then
        client.y = wa.y + topbottom
        client.height = wa.height - 2*topbottom
    else
        client.y = wa.y + (wa.height - client.height)/2
    end
    if leftright then
        client.x = wa.x + leftright
        client.width = wa.width - 2*leftright
    else
        client.x = wa.x + (wa.width - client.width)/2
    end
end

local function move_to_tag_by_name(s, tagname)
    return function(c)
        local t = awful.tag.find_by_name(s, tagname)
        if not t then
            error("No tag by the name of " .. tagname)
            return
        end
        c:move_to_tag(t)
    end
end

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 = false
                 },
    },
    { rule = { type = "dialog" },
      properties = { floating = true,
                     ontop = true,
                     skip_taskbar = true,
                     urgent = true,
                     --new_tag = true,
                     --switchtotag = true,
                     placement = awful.placement.centered
                   }
    },
    { rule = { class = "URxvt" },
      properties = { size_hints_honor = false, }
    },
    { rule = { instance =  "irc" },
      callback = move_to_tag_by_name(nil, "irc"),
    },
    { rule = { class = "Revolt" },
      callback = move_to_tag_by_name(nil, "[m]"),
    },
    { rule = { class = "Firefox" },
      callback = move_to_tag_by_name(nil, "ffx"),
    },
    { rule = { class = "Chromium" },
      callback = move_to_tag_by_name(nil, "chr"),
    },
    { rule = { class = "Thunderbird" },
      callback = move_to_tag_by_name(nil, "cal"),
    },
    { rule_any = { class = {
        "MuPDF",
        "Wicd-client.py",
    }},
      properties = { floating = true,
                     focus = true,
                     placement = function(c)
                         float_client_in_the_middle_with_margins(c, 50, 25)
                     end,
                   },
    },
    { rule_any = { class = {
                        "Gscan2pdf",
                        "Gimp",
                    },
                    instance = {
                        "libreoffice",
                    }
                },
      properties = { new_tag = {
                        layout = layouts.maximised,
                        volatile = true,
                    },
                     switchtotag = true,
                     focus = true,
                   },
    },
--XX--    { rule = { class = "Gscan2pdf" },
--XX--               properties = {
--XX--                   switchtotag = true
--XX--               },
--XX--               callback = move_to_tag(1, 5)
--XX--           },
--XX--    { rule = { name = "gscan2pdf .*" },
--XX--               properties = {
--XX--                   floating = false,
--XX--               },
--XX--           },
--XX--    { rule = { class = "Thunar", type = "normal" },
--XX--               properties = {
--XX--                   floating = false,
--XX--               },
--XX--           },
--XX--    { rule = { class = "Pinentry", instance = "pinentry" },
--XX--               properties = {
--XX--                   floating = true,
--XX--               },
--XX--           },
--XX--    { rule = { class = "Gxmessage" },
--XX--               properties = {
--XX--                   floating = true,
--XX--               },
--XX--           },
--XX--}
}
-- }}}

-- {{{ 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

    c.maximized_horizontal = false
    c.maximized_vertical = false
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)

awful.ewmh.add_activate_filter(function(c, context, hints)
    if context == "ewmh" then
        if (c.class == "Firefox-esr" or c.class == "Firefox") then
            return false
        end
    end
end)

client.connect_signal("request::activate", function(c, context, hints)
    if gears.table.hasitem({
        "client.focus.byidx",
        "client.jumpto",
        "autofocus.check_focus",
        "rules",
        "ewmh",
    }, context) then
        gears.timer.delayed_call(function()
            -- we need a delayed call so that we execute *after layout changes
            centre_mouse_on_area(client.focus)
        end)
    else
        dbg.dump(c, context, hints)
    end
end)

-- vim:ft=lua:sw=4:sts=4:ts=4:et