rc.lua

--[[

     Awesome WM configuration template
     github.com/lcpz

--]]

-- {{{ Required libraries

-- If LuaRocks is installed, make sure that packages installed through it are
-- found (e.g. lgi). If LuaRocks is not installed, do nothing.
pcall(require, "luarocks.loader")

local gears = require("gears")
local awful = require("awful")
require("awful.autofocus")
local wibox = require("wibox")
local beautiful = require("beautiful")
local naughty = require("naughty")
local lain = require("lain")
--local menubar       = require("menubar")
local freedesktop = require("freedesktop")
local hotkeys_popup = require("awful.hotkeys_popup")
require("awful.hotkeys_popup.keys")
local mytable = awful.util.table or gears.table -- 4.{0,1} compatibility

-- }}}

-- {{{ 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)
        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
-- }}}

-- {{{ Autostart windowless processes

-- This function will run once every time Awesome is started
local function run_once(cmd_arr)
    for _, cmd in ipairs(cmd_arr) do
        awful.spawn.with_shell(string.format("pgrep -u $USER -fx '%s' > /dev/null || (%s)", cmd, cmd))
    end
end

-- Add autostart

-- Screensaver
--awful.util.spawn_with_shell("xscreensaver -nosplash &")
-- Mouse sensetive
awful.util.spawn_with_shell("xset m 1/2 4")
-- Disable pc beep
awful.util.spawn_with_shell("xset b off")

--awful.util.spawn("nm-applet")
--awful.util.spawn("blueman-manager")


run_once({
    -- Used for git operation (clone, fetch etc) with ssh method
    "ssh-add ~/.ssh/id_rsa",

    "picom --daemon",
    "unclutter -root",

    "xfsettingsd",
    "xfce4-screensaver",
    "xfce4-power-manager",

    "nm-applet",
    "blueman-applet",

    "insync start",
}) -- entries must be separated by commas

-- This function implements the XDG autostart specification
--[[
awful.spawn.with_shell(
    'if (xrdb -query | grep -q "^awesome\\.started:\\s*true$"); then exit; fi;' ..
    'xrdb -merge <<< "awesome.started:true";' ..
    -- list each of your autostart commands, followed by ; inside single quotes, followed by ..
    'dex --environment Awesome --autostart --search-paths "$XDG_CONFIG_DIRS/autostart:$XDG_CONFIG_HOME/autostart"' -- https://github.com/jceb/dex
)
--]]

-- }}}

-- {{{ Variable definitions

local themes = {
    "blackburn", -- 1
    "copland", -- 2
    "dremora", -- 3
    "holo", -- 4
    "multicolor", -- 5
    "powerarrow", -- 6
    "powerarrow-dark", -- 7
    "rainbow", -- 8
    "steamburn", -- 9
    "vertex"           -- 10
}

local chosen_theme = themes[7]
local modkey = "Mod4"
local altkey = "Mod1"
local terminal = "xfce4-terminal"
local vi_focus = false -- vi-like client focus https://github.com/lcpz/awesome-copycats/issues/275
local cycle_prev = true  -- cycle with only the previously focused client or all https://github.com/lcpz/awesome-copycats/issues/274
local editor = os.getenv("EDITOR") or "nano"
local browser = "google-chrome"

local scrlocker = "xfce4-screensaver-command --lock"

awful.util.terminal = terminal
awful.util.tagnames = { "www", "dev", "term", "text", "pvt" }
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,
    --lain.layout.cascade,
    --lain.layout.cascade.tile,
    --lain.layout.centerwork,
    --lain.layout.centerwork.horizontal,
    --lain.layout.termfair,
    --lain.layout.termfair.center
}

lain.layout.termfair.nmaster = 3
lain.layout.termfair.ncol = 1
lain.layout.termfair.center.nmaster = 3
lain.layout.termfair.center.ncol = 1
lain.layout.cascade.tile.offset_x = 2
lain.layout.cascade.tile.offset_y = 32
lain.layout.cascade.tile.extra_padding = 5
lain.layout.cascade.tile.nmaster = 5
lain.layout.cascade.tile.ncol = 2

awful.util.taglist_buttons = mytable.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)
)

awful.util.tasklist_buttons = mytable.join(
        awful.button({ }, 1, function(c)
            if c == client.focus then
                c.minimized = true
            else
                c:emit_signal("request::activate", "tasklist", { raise = true })
            end
        end),
        awful.button({ }, 3, function()
            awful.menu.client_list({ theme = { width = 250 } })
        end),
        awful.button({ }, 4, function()
            awful.client.focus.byidx(1)
        end),
        awful.button({ }, 5, function()
            awful.client.focus.byidx(-1)
        end)
)

beautiful.init(string.format("%s/.config/awesome/themes/%s/theme.lua", os.getenv("HOME"), chosen_theme))

-- }}}

-- {{{ Notifications

beautiful.notification_max_width = 500
naughty.config.defaults['icon_size'] = 25

local show_volume_notification = function()
    local get_volume_level = "sleep 0.1 ; amixer get Master | grep -Po '[0-9]+(?=%)' | head -1"
    awful.spawn.easy_async_with_shell(get_volume_level, function(out)
        naughty.notify({
            text = "Volume: " .. out,
            timeout = 1,
            preset = naughty.config.presets.critical,
            height = 20,
            position = "top_right",
            replaces_id = -1
        })
    end)
end

--- }}}


-- {{{ Menu

-- Create a launcher widget and a main menu
local myawesomemenu = {
    { "Hotkeys", function()
        hotkeys_popup.show_help(nil, awful.screen.focused())
    end },
    { "Manual", string.format("%s -e man awesome", terminal) },
    { "Edit config", string.format("%s -e %s %s", terminal, editor, awesome.conffile) },
    { "Restart", awesome.restart },
    { "Quit", function()
        awesome.quit()
    end },
}

awful.util.mymainmenu = freedesktop.menu.build {
    before = {
        { "Awesome", myawesomemenu, beautiful.awesome_icon },
        -- other triads can be put here
    },
    after = {
        { "Open terminal", terminal },
        -- other triads can be put here
    }
}

-- Hide the menu when the mouse leaves it
--[[
awful.util.mymainmenu.wibox:connect_signal("mouse::leave", function()
    if not awful.util.mymainmenu.active_child or
       (awful.util.mymainmenu.wibox ~= mouse.current_wibox and
       awful.util.mymainmenu.active_child.wibox ~= mouse.current_wibox) then
        awful.util.mymainmenu:hide()
    else
        awful.util.mymainmenu.active_child.wibox:connect_signal("mouse::leave",
        function()
            if awful.util.mymainmenu.wibox ~= mouse.current_wibox then
                awful.util.mymainmenu:hide()
            end
        end)
    end
end)
--]]

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

-- }}}

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

-- No borders when rearranging only 1 non-floating or maximized client
screen.connect_signal("arrange", function(s)
    local only_one = #s.tiled_clients == 1
    for _, c in pairs(s.clients) do
        if only_one and not c.floating or c.maximized or c.fullscreen then
            c.border_width = 0
        else
            c.border_width = beautiful.border_width
        end
    end
end)
-- Create a wibox for each screen and add it
awful.screen.connect_for_each_screen(function(s)
    beautiful.at_screen_connect(s)
end)
-- }}}

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

-- {{{ Key bindings
globalkeys = mytable.join(
-- Override keys
-- Print screen
        awful.key({                   }, "Print", function()
            awful.util.spawn_with_shell("import -frame ~/screenshots/$(date +%F_%H-%M-%S).png")
        end),
        awful.key({ modkey, }, "Print", function()
            awful.util.spawn_with_shell("import -window root ~/screenshots/$(date +%F_%H-%M-%S).png")
        end),

-- Multi monitors manipulation
        awful.key({ "Ctrl" }, "1", function()
            awful.screen.focus(1)
        end),
        awful.key({ "Ctrl" }, "2", function()
            awful.screen.focus(2)
        end),
        awful.key({ "Ctrl" }, "3", function()
            awful.screen.focus(3)
        end),
        awful.key({ modkey, "Shift" }, "1", function()
            awful.client.movetoscreen(c, 1)
        end),
        awful.key({ modkey, "Shift" }, "2", function()
            awful.client.movetoscreen(c, 2)
        end),
        awful.key({ modkey, "Shift" }, "3", function()
            awful.client.movetoscreen(c, 3)
        end),
        awful.key({ modkey }, "Escape", awful.client.movetoscreen),


-- Destroy all notifications
        awful.key({ modkey, }, "d", function()
            naughty.destroy_all_notifications()
        end,
                { description = "destroy all notifications", group = "hotkeys" }),
-- X screen locker
        awful.key({ modkey, }, "l", function()
            os.execute(scrlocker)
        end,
                { description = "lock screen", group = "hotkeys" }),

-- Show help
        awful.key({ modkey, }, "s", hotkeys_popup.show_help,
                { description = "show help", group = "awesome" }),
-- Tag browsing
        awful.key({ modkey, }, "Left", awful.tag.viewprev,
                { description = "view previous", group = "tag" }),
        awful.key({ modkey, }, "Right", awful.tag.viewnext,
                { description = "view next", group = "tag" }),

-- Default client focus
        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" }
        ),

-- Menu
        awful.key({ modkey, }, "w", function()
            awful.util.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()
                    if cycle_prev then
                        awful.client.focus.history.previous()
                    else
                        awful.client.focus.byidx(-1)
                    end
                    if client.focus then
                        client.focus:raise()
                    end
                end,
                { description = "cycle with previous/go back", group = "client" }),

-- On-the-fly useless gaps change
        awful.key({ altkey, "Control" }, "+", function()
            lain.util.useless_gaps_resize(1)
        end,
                { description = "increment useless gaps", group = "tag" }),
        awful.key({ altkey, "Control" }, "-", function()
            lain.util.useless_gaps_resize(-1)
        end,
                { description = "decrement useless gaps", group = "tag" }),

-- Dynamic tagging
        awful.key({ modkey, "Shift" }, "n", function()
            lain.util.add_tag()
        end,
                { description = "add new tag", group = "tag" }),
        awful.key({ modkey, "Shift" }, "r", function()
            lain.util.rename_tag()
        end,
                { description = "rename tag", group = "tag" }),
        awful.key({ modkey, "Shift" }, "Left", function()
            lain.util.move_tag(-1)
        end,
                { description = "move tag to the left", group = "tag" }),
        awful.key({ modkey, "Shift" }, "Right", function()
            lain.util.move_tag(1)
        end,
                { description = "move tag to the right", group = "tag" }),
        awful.key({ modkey, "Shift" }, "d", function()
            lain.util.delete_tag()
        end,
                { description = "delete tag", group = "tag" }),

-- 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({ altkey, "Shift" }, "l", function()
            awful.tag.incmwfact(0.05)
        end,
                { description = "increase master width factor", group = "layout" }),
        awful.key({ altkey, "Shift" }, "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
                        c:emit_signal("request::activate", "key.unminimize", { raise = true })
                    end
                end,
                { description = "restore minimized", group = "client" }),

-- Dropdown application
        awful.key({ modkey, }, "z", function()
            awful.screen.focused().quake:toggle()
        end,
                { description = "dropdown application", group = "launcher" }),

-- Widgets popups
        awful.key({ altkey, }, "c", function()
            if beautiful.cal then
                beautiful.cal.show(7)
            end
        end,
                { description = "show calendar", group = "widgets" }),
        awful.key({ altkey, }, "h", function()
            if beautiful.fs then
                beautiful.fs.show(7)
            end
        end,
                { description = "show filesystem", group = "widgets" }),
        awful.key({ altkey, }, "w", function()
            if beautiful.weather then
                beautiful.weather.show(7)
            end
        end,
                { description = "show weather", group = "widgets" }),

-- Screen brightness
        awful.key({ }, "XF86MonBrightnessUp", function()
            os.execute("brightnessctl s +10")
        end,
                { description = "+10%", group = "hotkeys" }),
        awful.key({ }, "XF86MonBrightnessDown", function()
            os.execute("brightnessctl s 10-")
        end,
                { description = "-10%", group = "hotkeys" }),

-- ALSA volume control
        awful.key({  }, "XF86AudioRaiseVolume",
                function()
                    os.execute(string.format("amixer -q set %s 5%%+", beautiful.volume.channel))
                    beautiful.volume.update()
                    show_volume_notification()
                end,
                { description = "volume up", group = "hotkeys" }),
        awful.key({  }, "XF86AudioLowerVolume",
                function()
                    os.execute(string.format("amixer -q set %s 5%%-", beautiful.volume.channel))
                    beautiful.volume.update()
                    show_volume_notification()
                end,
                { description = "volume down", group = "hotkeys" }),
        awful.key({  }, "XF86AudioMute",
                function()
                    os.execute(string.format("amixer -q set %s toggle", beautiful.volume.togglechannel or beautiful.volume.channel))
                    beautiful.volume.update()
                end,
                { description = "toggle mute", group = "hotkeys" }),

-- Copy primary to clipboard (terminals to gtk)
        awful.key({ modkey }, "c", function()
            awful.spawn.with_shell("xsel | xsel -i -b")
        end,
                { description = "copy terminal to gtk", group = "hotkeys" }),
-- Copy clipboard to primary (gtk to terminals)
        awful.key({ modkey }, "v", function()
            awful.spawn.with_shell("xsel -b | xsel")
        end,
                { description = "copy gtk to terminal", group = "hotkeys" }),

-- User programs
        awful.key({ modkey }, "b", function()
            awful.spawn(browser)
        end,
                { description = "run browser", group = "launcher" }),

-- Default
--[[ Menubar
awful.key({ modkey }, "p", function() menubar.show() end,
          {description = "show the menubar", group = "launcher"}),
--]]
--[[ dmenu
awful.key({ modkey }, "x", function ()
        os.execute(string.format("dmenu_run -i -fn 'Monospace' -nb '%s' -nf '%s' -sb '%s' -sf '%s'",
        beautiful.bg_normal, beautiful.fg_normal, beautiful.bg_focus, beautiful.fg_focus))
    end,
    {description = "show dmenu", group = "launcher"}),
--]]
-- alternatively use rofi, a dmenu-like application with more features
-- check https://github.com/DaveDavenport/rofi for more details
--[[ rofi
awful.key({ modkey }, "x", function ()
        os.execute(string.format("rofi -show %s -theme %s",
        'run', 'dmenu'))
    end,
    {description = "show rofi", group = "launcher"}),
--]]
-- Prompt
        awful.key({ modkey }, "r", function()
            awful.util.spawn("rofi -show drun -show-icons")
        end,
                { description = "run rofi", 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" })
--]]
)

clientkeys = mytable.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" })
)

-- 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 = mytable.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 = mytable.join(
        awful.button({ }, 1, function(c)
            c:emit_signal("request::activate", "mouse_click", { raise = true })
        end),
        awful.button({ modkey }, 1, function(c)
            c:emit_signal("request::activate", "mouse_click", { raise = true })
            awful.mouse.client.move(c)
        end),
        awful.button({ modkey }, 3, function(c)
            c:emit_signal("request::activate", "mouse_click", { raise = true })
            awful.mouse.client.resize(c)
        end)
)

-- 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,
                     callback = awful.client.setslave,
                     focus = awful.client.focus.filter,
                     raise = true,
                     keys = clientkeys,
                     buttons = clientbuttons,
                     screen = awful.screen.preferred,
                     placement = awful.placement.no_overlap + awful.placement.no_offscreen,
                     size_hints_honor = false
      }
    },

    -- Floating clients.
    { rule_any = {
        instance = {
            "DTA", -- Firefox addon DownThemAll.
            "copyq", -- Includes session name in class.
            "pinentry",
        },
        class = {
            "Arandr",
            "Blueman-manager",
            "Gpick",
            "Kruler",
            "MessageWin", -- kalarm.
            "Sxiv",
            "Tor Browser", -- Needs a fixed window size to avoid fingerprinting by screen size.
            "Wpa_gui",
            "veromix",
            "xtightvncviewer" },

        -- Note that the name property shown in xprop might be set slightly after creation of the client
        -- and the name shown there might not match defined rules here.
        name = {
            "Event Tester", -- xev.
        },
        role = {
            "AlarmWindow", -- Thunderbird's calendar.
            "ConfigManager", -- Thunderbird's about:config.
            "pop-up", -- e.g. Google Chrome's (detached) Developer Tools.
        }
    }, properties = { floating = true } },

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

    -- 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)
    -- Custom
    if beautiful.titlebar_fun then
        beautiful.titlebar_fun(c)
        return
    end

    -- Default
    -- buttons for the titlebar
    local buttons = mytable.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)

-- Enable sloppy focus, so that focus follows mouse.
client.connect_signal("mouse::enter", function(c)
    c:emit_signal("request::activate", "mouse_enter", { raise = vi_focus })
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)

-- switch to parent after closing child window
local function backham()
    local s = awful.screen.focused()
    local c = awful.client.focus.history.get(s, 0)
    if c then
        client.focus = c
        c:raise()
    end
end

-- attach to minimized state
client.connect_signal("property::minimized", backham)
-- attach to closed state
client.connect_signal("unmanage", backham)
-- ensure there is always a selected client during tag switching or logins
tag.connect_signal("property::selected", backham)

-- }}}