From eb8cec907a50f3fd6df4b14ae10b910444017f92 Mon Sep 17 00:00:00 2001
From: luke bonham <dadasignificanulla@gmail.com>
Date: Tue, 10 Sep 2013 23:02:11 +0200
Subject: [PATCH] totally reworked widgets

---
 README.rst            |   2 +-
 helpers.lua           |  46 ++++--------
 widgets/alsa.lua      | 111 +++++++++------------------
 widgets/alsabar.lua   |  43 ++++++-----
 widgets/bat.lua       | 102 +++++++++----------------
 widgets/calendar.lua  |  27 +++----
 widgets/cpu.lua       |  31 ++++----
 widgets/fs.lua        | 102 ++++++++++++-------------
 widgets/imap.lua      | 170 +++++++++++++++++-------------------------
 widgets/init.lua      |   6 +-
 widgets/maildir.lua   |  64 ++++------------
 widgets/mem.lua       |  45 +++--------
 widgets/mpd.lua       | 121 ++++++++++++------------------
 widgets/net.lua       | 133 ++++++++++-----------------------
 widgets/sysload.lua   |  44 +++--------
 widgets/temp.lua      |  31 +++-----
 widgets/yawn/init.lua |  88 ++++++++--------------
 17 files changed, 421 insertions(+), 745 deletions(-)

diff --git a/README.rst b/README.rst
index 2524de3..6ce1c47 100644
--- a/README.rst
+++ b/README.rst
@@ -10,7 +10,7 @@ Layouts, widgets and utilities for Awesome WM
 :License: GNU-GPLv2_
 :Source: https://github.com/copycat-killer/lain
 
-Based on a port of awesome-vain_, this costantly evolving module provides new layouts, a set of widgets and utility functions in order to improve Awesome usability and
+Successor of awesome-vain_, this costantly evolving module provides new layouts, a set of widgets and utility functions in order to improve Awesome usability and
 configurability.
 
 Read the wiki_ for all the info.
diff --git a/helpers.lua b/helpers.lua
index 7677768..a8c4cd7 100644
--- a/helpers.lua
+++ b/helpers.lua
@@ -4,14 +4,12 @@
      Licensed under GNU General Public License v2     
       * (c) 2013,      Luke Bonham                    
       * (c) 2010-2012, Peter Hofmann                  
-      * (c) 2010,      Adrian C. <anrxc@sysphere.org> 
                                                       
 --]]
 
-local awful  = require("awful")
 local debug  = require("debug")
-local pairs  = pairs
 local rawget = rawget
+local io     = { open = io.open }
 
 -- Lain helper functions for internal use
 -- lain.helpers
@@ -30,33 +28,6 @@ end
 
 -- }}}
 
--- {{{
--- If lain.terminal is a string, e.g. "xterm", then "xterm -e " .. cmd is
--- run. But if lain.terminal is a function, then terminal(cmd) is run.
-
-function helpers.run_in_terminal(cmd)
-    if type(terminal) == "function"
-    then
-        terminal(cmd)
-    elseif type(terminal) == "string"
-    then
-        awful.util.spawn(terminal .. ' -e ' .. cmd)
-    end
-end
-
--- }}}
-
--- {{{ Format units to one decimal point
-
-function helpers.uformat(array, key, value, unit)
-    for u, v in pairs(unit) do
-        array["{"..key.."_"..u.."}"] = string.format("%.1f", value/v)
-    end
-    return array
-end
-
--- }}}
-
 -- {{{ Read the first line of a file or return nil.
 
 function helpers.first_line(f)
@@ -73,6 +44,21 @@ end
 
 -- }}}
 
+-- {{{ Timer maker 
+
+helpers.timer_table = {}
+
+function helpers.newtimer(name, timeout, fun, nostart)
+    helpers.timer_table[name] = timer({ timeout = timeout })
+    helpers.timer_table[name]:connect_signal("timeout", fun)
+    helpers.timer_table[name]:start()
+    if not nostart then
+        helpers.timer_table[name]:emit_signal("timeout")
+    end
+end
+
+-- }}}
+
 -- {{{ A map utility
 
 helpers.map_table = {}
diff --git a/widgets/alsa.lua b/widgets/alsa.lua
index 7c26908..8571ec6 100644
--- a/widgets/alsa.lua
+++ b/widgets/alsa.lua
@@ -2,102 +2,65 @@
 --[[
                                                       
      Licensed under GNU General Public License v2     
-      * (c) 2013,      Luke Bonham                    
-      * (c) 2010-2012, Peter Hofmann                  
-      * (c) 2010,      Adrian C. <anrxc@sysphere.org> 
+      * (c) 2013, Luke Bonham                         
+      * (c) 2010, Adrian C. <anrxc@sysphere.org>      
                                                       
 --]]
 
-local markup          = require("lain.util.markup")
-local run_in_terminal = require("lain.helpers").run_in_terminal
+local newtimer        = require("lain.helpers").newtimer
 
-local awful           = require("awful")
-local beautiful       = require("beautiful")
 local wibox           = require("wibox")
 
-local io              = io
-local string          = { format = string.format,
-                          match  = string.match }
+local io              = { popen  = io.popen }
+local string          = { match  = string.match }
 
 local setmetatable    = setmetatable
 
--- ALSA volume infos
--- nain.widgets.alsa
-local alsa = {
-    volume = 0,
-    mute = false,
-}
-
-function worker(args)
-    local args = args or {}
-    local channel = args.channel or "Master"
-    local step = args.step or "1%"
-    local header = args.header or " Vol "
-    local header_color = args.header_color or beautiful.fg_normal or "#FFFFFF"
-    local color = args.color or beautiful.fg_focus or "#FFFFFF"
-
-    local myvolume = wibox.widget.textbox()
-    local myvolumeupdate = function()
+-- ALSA volume
+-- lain.widgets.alsa
+local alsa = {}
+
+local function worker(args)
+    local args     = args or {}
+    local timeout  = args.timeout or 5
+    local channel  = args.channel or "Master"
+    local settings = args.settings or function() end
+
+    widget = wibox.widget.textbox('')
+
+    function update()
         local f = io.popen('amixer get ' .. channel)
         local mixer = f:read("*all")
         f:close()
 
-        local volume, mute = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
+        volume = {}
 
-        if volume == nil
+        volume.level, volume.status = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
+
+        if volume.level == nil
         then
-            alsa.volume = 0
-        else
-            alsa.volume = volume
+            volume.level  = 0
+            volume.status = "off"
         end
 
-        if mute == nil or mute == 'on'
+        if volume.status == ""
         then
-            alsa.mute = true
-            mute = ''
-        else
-            alsa.mute = false
-            mute = 'M'
+            if volume.level == 0
+            then
+                volume.status = "off"
+            else
+                volume.status = "on"
+            end
         end
 
-        local ret = markup(color, string.format("%d%s", volume, mute))
-        myvolume:set_markup(markup(header_color, header) .. ret .. " ")
+        settings()
     end
 
-    local myvolumetimer = timer({ timeout = 5 })
-    myvolumetimer:connect_signal("timeout", myvolumeupdate)
-    myvolumetimer:start()
-    myvolumetimer:emit_signal("timeout")
-
-    myvolume:buttons(awful.util.table.join(
-        awful.button({}, 1,
-            function()
-                run_in_terminal('alsamixer')
-             end),
-        awful.button({}, 3,
-            function()
-                awful.util.spawn('amixer sset ' .. channel ' toggle')
-            end),
-
-        awful.button({}, 4,
-            function()
-                awful.util.spawn('amixer sset ' .. channel .. ' ' .. step '+')
-                myvolumeupdate()
-            end),
-
-        awful.button({}, 5,
-            function()
-                awful.util.spawn('amixer sset ' .. channel .. ' ' .. step '-')
-                myvolumeupdate()
-            end)
-    ))
-
-    alsa.widget = myvolume
-    alsa.channel = channel
-    alsa.step = step
-    alsa.notify = myvolumeupdate
-
-    return setmetatable(alsa, { __index = alsa.widget })
+    newtimer("alsa", timeout, update)
+
+    output = { widget = widget, notify = update }
+
+    return setmetatable(output, { __index = output.widget })
 end
 
 return setmetatable(alsa, { __call = function(_, ...) return worker(...) end })
diff --git a/widgets/alsabar.lua b/widgets/alsabar.lua
index 0421f5c..7f5fe87 100644
--- a/widgets/alsabar.lua
+++ b/widgets/alsabar.lua
@@ -6,6 +6,8 @@
       * (c) 2013, Rman                            
 --]]
 
+local newtimer     = require("lain.helpers").newtimer
+
 local awful        = require("awful")
 local beautiful    = require("beautiful")
 local naughty      = require("naughty")
@@ -32,12 +34,14 @@ local alsabar =
      unmute = "#A4CE8A"
   },
 
+  terminal = terminal or "xterm",
   mixer = terminal .. " -e alsamixer",
 
   notifications =
   {
      font = beautiful.font:sub(beautiful.font:find(""), beautiful.font:find(" ")),
      font_size = "11",
+     color = beautiful.fg_focus,
      bar_size = 18 -- Awesome default
   },
 
@@ -49,9 +53,9 @@ function alsabar:notify()
 	local preset =
 	{
       title = "", text = "",
-      timeout = 3,
+      timeout = 15,
       font = alsabar.notifications.font .. " " .. alsabar.notifications.font_size,
-      fg = beautiful.fg_focus
+      fg = alsabar.notifications.color
 	}
 
 	if alsabar._muted then
@@ -72,7 +76,7 @@ function alsabar:notify()
 	end
 end
 
-function worker(args)
+local function worker(args)
     local args = args or {}
     local width = args.width or 63
     local height = args.heigth or 1
@@ -85,6 +89,7 @@ function worker(args)
     alsabar.notifications = args.notifications or alsabar.notifications
 
     alsabar.bar = awful.widget.progressbar()
+
     alsabar.bar:set_background_color(alsabar.colors.background)
     alsabar.bar:set_color(alsabar.colors.unmute)
     alsabar.tooltip = awful.tooltip({ objects = { alsabar.bar } })
@@ -97,18 +102,18 @@ function worker(args)
         alsabar.bar:set_vertical(true)
     end
 
-    local myvolumebarupdate = function()
+    function update()
         -- Get mixer control contents
         local f = io.popen("amixer get " .. alsabar.channel)
         local mixer = f:read("*all")
         f:close()
 
         -- Capture mixer control state:          [5%] ... ... [on]
-        local volu, mute = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
-        -- Handle mixers without data
+        local volu, mute = string.match(mixer, "([%d]+)%%.*%[([%l]*)") 
+
         if volu == nil then
-           volu = 0
-           mute = "off"
+            volu = 0
+            mute = "off"
         end
 
         alsabar._current_level = tonumber(volu) / 100
@@ -126,10 +131,7 @@ function worker(args)
         end
     end
 
-    local myvolumebartimer = timer({ timeout = 5 })
-    myvolumebartimer:connect_signal("timeout", myvolumebarupdate)
-    myvolumebartimer:start()
-    myvolumebartimer:emit_signal("timeout")
+    newtimer("alsabar", 5, update)
 
     alsabar.bar:buttons (awful.util.table.join (
           awful.button ({}, 1, function()
@@ -151,14 +153,15 @@ function worker(args)
           end)
     ))
 
-    return { widget = alsabar.bar,
-             channel = alsabar.channel, 
-             step = alsabar.step,
-             notify = function() 
-                         myvolumebarupdate()
-                         alsabar.notify()
-                       end
-           }
+    return { 
+        widget  = alsabar.bar,
+        channel = alsabar.channel, 
+        step    = alsabar.step,
+        notify  = function() 
+                    update()
+                    alsabar.notify()
+                  end
+    }
 end
 
 return setmetatable(alsabar, { __call = function(_, ...) return worker(...) end })
diff --git a/widgets/bat.lua b/widgets/bat.lua
index 0461607..5a811f0 100644
--- a/widgets/bat.lua
+++ b/widgets/bat.lua
@@ -7,10 +7,9 @@
                                                   
 --]]
 
-local markup       = require("lain.util.markup")
+local newtimer     = require("lain.helpers").newtimer
 local first_line   = require("lain.helpers").first_line
 
-local beautiful    = require("beautiful")
 local naughty      = require("naughty")
 local wibox        = require("wibox")
 
@@ -21,25 +20,24 @@ local setmetatable = setmetatable
 
 -- Battery infos
 -- lain.widgets.bat
-local bat = {
-    status = "not present",
-    perc   = "N/A",
-    time   = "N/A",
-}
+local bat = { id = nil }
 
-function worker(args)
+local function worker(args)
     local args = args or {}
+    local timeout = args.timeout or 30
     local battery = args.battery or "BAT0"
-    local show_all = args.show_all or false
-    local refresh_timeout = args.refresh_timeout or 30
-    local header = args.header or " Bat "
-    local header_color = args.header_color or beautiful.fg_normal or "#FFFFFF"
-    local color = args.color or beautiful.fg_focus or "#FFFFFF"
-    local shadow = args.shadow or false
+    local settings = args.settings or function() end
 
-    local mybattery = wibox.widget.textbox()
+    bat_now = {
+        status = "not present",
+        perc   = "N/A",
+        time   = "N/A",
+        watt   = "N/A"
+    }
 
-    local mybatteryupdate = function()
+    widget = wibox.widget.textbox('')
+
+    function update()
         local present = first_line("/sys/class/power_supply/"
                                    .. battery
                                    .. "/present")
@@ -58,90 +56,62 @@ function worker(args)
             local tot = first_line("/sys/class/power_supply/"
                                     .. battery ..
                                    "/energy_full")
-            bat.status = first_line("/sys/class/power_supply/"
+            bat_now.status = first_line("/sys/class/power_supply/"
                                     .. battery ..
                                    "/status")
 
             local time_rat = 0
-            if bat.status == "Charging"
+            if bat_now.status == "Charging"
             then
-                status = "(+)"
                 time_rat = (tot - rem) / rate
-            elseif bat.status == "Discharging"
+            elseif bat_now.status == "Discharging"
             then
-                status = "(-)"
                 time_rat = rem / rate
-            else
-                status = "(.)"
             end
 
             local hrs = math.floor(time_rat)
             local min = (time_rat - hrs) * 60
-            bat.time = string.format("%02d:%02d", hrs, min)
-
-            local amount = (rem / tot) * 100
 
-            if shadow
-            then
-                bat.perc = string.format("%d", amount)
-            else
-                bat.perc = string.format("%d%%", amount)
-            end
-
-            local watt = string.format("%.2fW", (rate * ratev) / 1e12)
-
-            if show_all
-            then
-                text = watt .. " " .. bat.perc .. " " .. bat.time .. " " .. bat.status
-            else
-                text = bat.perc
-            end
+            bat_now.time = string.format("%02d:%02d", hrs, min)
+            bat_now.perc = (rem / tot) * 100
+            bat_now.watt = string.format("%.2fW", (rate * ratev) / 1e12)
 
             -- notifications for low and critical states
-            if amount <= 5
+            if bat_now.perc <= 5
             then
-                naughty.notify{
+                bat.id = naughty.notify({
                     text = "shutdown imminent",
                     title = "battery nearly exhausted",
                     position = "top_right",
                     timeout = 15,
                     fg="#000000",
                     bg="#ffffff",
-                    ontop = true
-                }
-            elseif amount <= 15
+                    ontop = true,
+                    replaces_id = bat.id
+                }).id
+            elseif bat.perc <= 15
             then
-                old_id = naughty.notify{
+                bat.id = naughty.notify({
                     text = "plug the cable",
                     title = "battery low",
                     position = "top_right",
-                    timeout = 5,
+                    timeout = 15,
                     fg="#202020",
                     bg="#cdcdcd",
-                    ontop = true
-                }
+                    ontop = true,
+                    replaces_id = bat.id
+                }).id
             end
-        else
-            text = "none"
-        end
 
-        if shadow
-        then
-            mybattery:set_text('')
-        else
-            mybattery:set_markup(markup(header_color, header)
-                                 .. markup(color, text) .. " ")
+            bat_now.perc = string.format("%d", bat_now.perc)
         end
-    end
 
-    local mybatterytimer = timer({ timeout = refresh_timeout })
-    mybatterytimer:connect_signal("timeout", mybatteryupdate)
-    mybatterytimer:start()
-    mybatterytimer:emit_signal("timeout")
+        settings()
+    end
 
-    bat.widget = mybattery
+    newtimer("bat", timeout, update)
 
-    return setmetatable(bat, { __index = bat.widget })
+    return widget
 end
 
 return setmetatable(bat, { __call = function(_, ...) return worker(...) end })
diff --git a/widgets/calendar.lua b/widgets/calendar.lua
index e5f6e88..e28e735 100644
--- a/widgets/calendar.lua
+++ b/widgets/calendar.lua
@@ -13,7 +13,7 @@ local beautiful    = require("beautiful")
 local naughty      = require("naughty")
 
 local io           = io
-local os           = { date  = os.date }
+local os           = { date = os.date }
 local tonumber     = tonumber
 
 local setmetatable = setmetatable
@@ -23,15 +23,6 @@ local setmetatable = setmetatable
 local calendar = {}
 local notification = nil
 
-local function create(foreground, background)
-    calendar.offset = 0
-    calendar.icons_dir = icons_dir .. "cal/white/" -- default
-    calendar.notify_icon = nil
-    calendar.font_size = 12
-    calendar.bg = background or beautiful.bg_normal or "#FFFFFF"
-    calendar.fg = foreground or beautiful.fg_focus or "#FFFFFF"
-end
-
 function calendar:hide()
     if notification ~= nil then
         naughty.destroy(notification)
@@ -59,7 +50,7 @@ function calendar:show(t_out, inc_offset)
         end
 
         calendar.offset = 0
-        calendar.notify_icon = calendar.icons_dir .. today .. ".png"
+        calendar.notify_icon = calendar.icons .. today .. ".png"
 
         -- bg and fg inverted to highlight today
         f = io.popen( init_t .. today ..
@@ -106,13 +97,23 @@ function calendar:show(t_out, inc_offset)
 
     notification = naughty.notify({ text = c_text,
                                     icon = calendar.notify_icon,
+                                    position = calendar.position,
                                     fg = calendar.fg,
                                     bg = calendar.bg,
                                     timeout = tims })
 end
 
-function calendar:attach(widget, foreground, background)
-    create(foreground, background)
+function calendar:attach(widget, args)
+    local args = args or {}
+    calendar.icons = args.icons or icons_dir .. "cal/white/"
+    calendar.font_size = tonumber(args.font_size) or 12
+    calendar.fg = args.fg or beautiful.fg_normal or "#FFFFFF"
+    calendar.bg = args.bg or beautiful.bg_normal or "#FFFFFF"
+    calendar.position = args.position or "top_right"
+
+    calendar.offset = 0
+    calendar.notify_icon = nil
+
     widget:connect_signal("mouse::enter", function () calendar:show() end)
     widget:connect_signal("mouse::leave", function () calendar:hide() end)
     widget:buttons(awful.util.table.join( awful.button({ }, 1, function ()
diff --git a/widgets/cpu.lua b/widgets/cpu.lua
index 3890e5e..f9bbe72 100644
--- a/widgets/cpu.lua
+++ b/widgets/cpu.lua
@@ -7,15 +7,15 @@
                                                   
 --]]
 
-local markup       = require("lain.util.markup")
 local first_line   = require("lain.helpers").first_line
+local newtimer     = require("lain.helpers").newtimer
 
-local beautiful    = require("beautiful")
 local wibox        = require("wibox")
 
 local math         = { ceil   = math.ceil }
 local string       = { format = string.format,
                        gmatch = string.gmatch }
+local tostring     = tostring
 
 local setmetatable = setmetatable
 
@@ -26,17 +26,14 @@ local cpu = {
     last_active = 0
 }
 
-function worker(args)
-    local args = args or {}
-    local refresh_timeout = args.refresh_timeout or 5
-    local header = args.header or " Cpu "
-    local header_color = args.header or beautiful.fg_normal or "#FFFFFF"
-    local color = args.color or beautiful.fg_focus or "#FFFFFF"
-    local footer = args.footer or "% "
+local function worker(args)
+    local args     = args or {}
+    local timeout  = args.timeout or 5
+    local settings = args.settings or function() end
 
-    local w = wibox.widget.textbox()
+    widget = wibox.widget.textbox('')
 
-    local cpuusageupdate = function()
+    function update()
         -- Read the amount of time the CPUs have spent performing
         -- different kinds of work. Read the first line of /proc/stat
         -- which is the sum of all CPUs.
@@ -60,21 +57,19 @@ function worker(args)
         -- Read current data and calculate relative values.
         local dactive = active - cpu.last_active
         local dtotal = total - cpu.last_total
-        local dta = math.ceil((dactive / dtotal) * 100)
 
-        w:set_markup(markup(header_color, header) .. markup(color, dta .. footer))
+        usage = tostring(math.ceil((dactive / dtotal) * 100))
+
+        settings()
 
         -- Save current data for the next run.
         cpu.last_active = active
         cpu.last_total = total
     end
 
-    local cpuusagetimer = timer({ timeout = refresh_timeout })
-    cpuusagetimer:connect_signal("timeout", cpuusageupdate)
-    cpuusagetimer:start()
-    cpuusagetimer:emit_signal("timeout")
+    newtimer("cpu", timeout, update)
 
-    return w
+    return widget
 end
 
 return setmetatable(cpu, { __call = function(_, ...) return worker(...) end })
diff --git a/widgets/fs.lua b/widgets/fs.lua
index 344bd87..f934248 100644
--- a/widgets/fs.lua
+++ b/widgets/fs.lua
@@ -8,7 +8,6 @@
                                                       
 --]]
 
-local markup       = require("lain.util.markup")
 local helpers      = require("lain.helpers")
 
 local beautiful    = require("beautiful")
@@ -16,14 +15,16 @@ local wibox        = require("wibox")
 local naughty      = require("naughty")
 
 local io           = io
-local string       = { match = string.match }
+local pairs        = pairs
+local string       = { match  = string.match,
+                       format = string.format }
 local tonumber     = tonumber
 
 local setmetatable = setmetatable
 
 -- File system disk space usage
 -- lain.widgets.fs
-local fs = {}
+local fs = { notification_preset = {} }
 local notification = nil
 
 function fs:hide()
@@ -41,38 +42,29 @@ function fs:show(t_out)
     f:close()
 
     notification = naughty.notify({
+        preset = fs.notification_preset,
         text = ws,
-      	timeout = t_out,
-        fg = fs.color,
+      	timeout = t_out
     })
 end
 
--- Variable definitions
+-- Units definitions
 local unit = { ["mb"] = 1024, ["gb"] = 1024^2 }
 
 local function worker(args)
-    local args = args or {}
+    local args      = args or {}
     local partition = args.partition or "/"
-    local refresh_timeout = args.refresh_timeout or 600
-    local header = args.header or " Hdd "
-    local header_color = args.header_color or beautiful.fg_normal or "#FFFFFF"
-    fs.color = args.color or beautiful.fg_focus or "#FFFFFF"
-    local footer = args.footer or " "
-    local shadow = args.shadow or false
+    local timeout   = args.timeout or 600
+    local settings  = args.settings or function() end
 
-    local myfs = wibox.widget.textbox()
+    widget = wibox.widget.textbox('')
 
     helpers.set_map("fs", false)
 
-    local fsupdate = function()
-        local fs_info = {} -- Get data from df
-        local f = io.popen("LC_ALL=C df -kP")
+    function update()
+        fs_info = {} 
 
-        local function set_text()
-            local info = fs_info['{' .. partition .. ' used_p}']
-            myfs:set_markup(markup(header_color, header)
-                            .. markup(fs.color, info .. footer))
-        end
+        local f = io.popen("LC_ALL=C df -kP")
 
         for line in f:lines() do -- Match: (size) (used)(avail)(use%) (mount)
             local s     = string.match(line, "^.-[%s]([%d]+)")
@@ -80,55 +72,57 @@ local function worker(args)
             local m     = string.match(line, "%%[%s]([%p%w]+)")
 
             if u and m then -- Handle 1st line and broken regexp
-                helpers.uformat(fs_info, m .. " used",  u, unit)
-                fs_info["{" .. m .. " used_p}"]  = tonumber(p)
+                fs_info[m .. " size_mb"]  = string.format("%.1f", tonumber(s) / unit["mb"])
+                fs_info[m .. " size_gb"]  = string.format("%.1f", tonumber(s) / unit["gb"])
+                fs_info[m .. " used_p"]   = tonumber(p)
+                fs_info[m .. " avail_p"]  = 100 - tonumber(p)
             end
         end
 
         f:close()
 
-        if shadow
+        -- chosen partition easy stuff
+        -- you can however check whatever partition else
+        used = fs_info[partition .. " used_p"]
+        available = fs_info[partition .. " avail_p"]
+        size_mb = fs_info[partition .. " size_mb"]
+        size_gb = fs_info[partition .. " size_gb"]
+
+        notification_preset = { fg = beautiful.fg_normal }
+
+        settings()
+
+        fs.notification_preset = notification_preset
+
+        if used >= 99 and not helpers.get_map("fs")
         then
-            myfs:set_text('')
+            naughty.notify({ 
+                title = "warning",
+                text = partition .. " ran out!\nmake some room",
+                timeout = 8,
+                fg = "#000000",
+                bg = "#FFFFFF"
+            })
+            helpers.set_map("fs", true)
         else
-            set_text()
-        end
-
-        local part = fs_info['{' .. partition .. ' used_p}']
-
-        if part >= 90  then
-            if part >= 99 and not helpers.get_map("fs") then
-                naughty.notify({ title = "warning",
-                                 text = partition .. " ran out!\n"
-                                        .. "make some room",
-                                 timeout = 8,
-                                 position = "top_right",
-                                 fg = beautiful.fg_urgent,
-                                 bg = beautiful.bg_urgent })
-                helpers.set_map("fs", true)
-            end
-            if shadow then set_text() end
+            helpers.set_map("fs", false)
         end
     end
 
-    local fstimer = timer({ timeout = refresh_timeout })
-    fstimer:connect_signal("timeout", fsupdate)
-    fstimer:start()
-    fstimer:emit_signal("timeout")
+    helpers.newtimer("fs " .. partition, timeout, update)
 
-    myfs:connect_signal('mouse::enter', function () fs:show(0) end)
-    myfs:connect_signal('mouse::leave', function () fs:hide() end)
+    widget:connect_signal('mouse::enter', function () fs:show(0) end)
+    widget:connect_signal('mouse::leave', function () fs:hide() end)
 
-    local fs_out =
-    {
-        widget = myfs,
+    output = {
+        widget = widget,
         show = function(t_out)
-                   fsupdate()
+                   update()
                    fs:show(t_out)
                end
     }
 
-    return setmetatable(fs_out, { __index = fs_out.widget })
+    return setmetatable(output, { __index = output.widget })
 end
 
 return setmetatable(fs, { __call = function(_, ...) return worker(...) end })
diff --git a/widgets/imap.lua b/widgets/imap.lua
index f06660b..2c7067c 100644
--- a/widgets/imap.lua
+++ b/widgets/imap.lua
@@ -6,160 +6,126 @@
                                                   
 --]]
 
-local markup       = require("lain.util.markup")
 local helpers      = require("lain.helpers")
 
-local awful        = require("awful")
-local beautiful    = require("beautiful")
 local naughty      = require("naughty")
 local wibox        = require("wibox")
 
-local io           = io
+local io           = { popen = io.popen }
 local tonumber     = tonumber
-local string       = string
+local string       = { len    = string.len,
+                       format = string.format }
 
 local setmetatable = setmetatable
 
--- Mail imap check
+-- Mail IMAP check
 -- lain.widgets.imap
-local imap = {} 
+local imap = { stored = nil }
 
 function worker(args)
-    local args = args or {}
+    local args     = args or {}
 
-    local server = args.server
-    local mail = args.mail
+    local server   = args.server
+    local mail     = args.mail
     local password = args.password
 
-    local port = args.port or "993"
-    local refresh_timeout = args.refresh_timeout or 60
-    local header = args.header or "Mail "
-    local header_color = args.header_color or beautiful.fg_normal or "#FFFFFF"
-    local color = args.color or beautiful.fg_focus or "#FFFFFF"
-    local mail_encoding = args.mail_encoding or nil
-    local maxlen = args.maxlen or 200
-    local app = args.app or "mutt"
+    local port     = args.port or "993"
+    local timeout  = args.timeout or 60
+    local encoding = args.encoding or nil
+    local maxlen   = args.maxlen or 200
     local is_plain = args.is_plain or false
-    local shadow = args.shadow or false
+    local settings = args.settings or function() end
+
+    local checkmail = helpers.scripts_dir .. "checkmail"
 
     helpers.set_map(mail, true)
     helpers.set_map(mail .. " count", "0")
 
-    local checkmail = helpers.scripts_dir .. "checkmail"
-
     if not is_plain
     then
-        local f = io.popen(password)
-        password = f:read("*all"):gsub("\n", ""):gsub("\r", "")
-        f:close()
-    end
-
-    local myimapcheck = wibox.widget.textbox()
-
-    local myimapcheckupdate = function()
-        function set_nomail()
-            if shadow
-            then
-                myimapcheck:set_text('')
-            else
-                myimapcheck:set_markup(markup(color, " no mail "))
-            end
+        if not imap.stored
+        then
+            local f = io.popen(password)
+            password = f:read("*all"):gsub("\n", ""):gsub("\r", "")
+            f:close()
+            imap.stored = password
+        else
+            password = imap.stored
         end
+    end
 
-        conn = io.popen("ip link show")
-        check_conn = conn:read("*all") 
-        conn:close()
+    widget = wibox.widget.textbox('')
 
-        if not check_conn:find("state UP") then
-               set_nomail()
-               return
-        end
+    function update()
+        to_execute = string.format("%s -s %s -u %s -p %s --port %s",
+                     checkmail, server, mail, password, port) 
 
-        to_execute = checkmail .. ' -s ' .. server ..
-                     ' -u ' .. mail .. ' -p ' .. password
-                     .. ' --port ' .. port
-
-        if mail_encoding ~= nil
+        if encoding ~= nil
         then
-            to_execute = to_execute .. ' --encoding '
-                         .. mail_encoding
+            to_execute = string.format("%s --encoding %s",
+                         to_execute, encoding)
         end
 
         f = io.popen(to_execute)
         ws = f:read("*all")
         f:close()
 
+        mailcount = "0"
+
         if ws:find("No new messages") ~= nil
         then
             helpers.set_map(mail, true)
-            set_nomail()
         elseif ws:find("CheckMailError: invalid credentials") ~= nil
         then
             helpers.set_map(mail, true)
-            myimapcheck:set_markup(" " .. markup(header_color, header) ..
-                                   markup(color, "invalid credentials "))
+            mailcount = "invalid credentials"
         else
-            mailcount = ws:match("%d") or "?"
-
-            if helpers.get_map(mail .. " count") ~= mailcount and mailcount ~= "?"
+            mailcount = ws:match("%d") or "0"
+            if helpers.get_map(mail .. " count") ~= mailcount and mailcount ~= "0"
             then
                 helpers.set_map(mail, true)
                 helpers.set_map(mail .. " count", mailcount)
             end
+        end
 
-            myimapcheck:set_markup(" " .. markup(header_color, header) ..
-                                   markup(color, mailcount) .. " ")
+        notification_preset = {
+            icon     = helpers.icons_dir .. "mail.png",
+            timeout  = 8,
+            position = "top_left"
+        }
 
-            if helpers.get_map(mail)
+        settings()
+
+
+        if helpers.get_map(mail) and tonumber(mailcount) >= 1
+        then
+            notify_title = ws:match(mail .. " has %d new message.?")
+            ws = ws:gsub(notify_title, "", 1):gsub("\n", "", 2)
+
+            -- trying to remove useless infos
+            ws = ws:gsub("--Content.%S+.-\n", "")
+            ws = ws:gsub("--%d+.-\n", "")
+
+            if string.len(ws) > maxlen
             then
-                if mailcount == "?"
-                -- May happens sometimes using keyrings or other password fetchers.
-                -- Since this should be automatically fixed in short times, we threat
-                -- this exception delaying the update to the next timeout.
-                then
-                    set_nomail()
-                    return
-                elseif tonumber(mailcount) >= 1
-                then
-                    notify_title = ws:match(mail .. " has %d new message.?")
-                    ws = ws:gsub(notify_title, "", 1):gsub("\n", "", 2)
-
-                    ws = ws:gsub("--Content.%S+.-\n", "")
-                    ws = ws:gsub("--%d+.-\n", "")
-
-                    if string.len(ws) > maxlen
-                    then
-                        ws = ws:sub(1, maxlen) .. "[...]"
-                    end
-
-                    notify_title = notify_title:gsub("\n", "")
-                end
-
-                naughty.notify({ title = notify_title,
-                                 fg = color,
-                                 text = ws,
-                                 icon = beautiful.lain_mail_notify or
-                                        helpers.icons_dir .. "mail.png",
-                                 timeout = 8,
-                                 position = "top_left" })
-
-                helpers.set_map(mail, false)
+                ws = ws:sub(1, maxlen) .. "[...]"
             end
+
+            notify_title = notify_title:gsub("\n", "")
+
+            naughty.notify({
+                preset = notification_preset,
+                title = notify_title,
+                text = ws
+            })
+
+            helpers.set_map(mail, false)
         end
     end
 
-    local myimapchecktimer = timer({ timeout = refresh_timeout })
-    myimapchecktimer:connect_signal("timeout", myimapcheckupdate)
-    myimapchecktimer:start()
-    myimapcheck:buttons(awful.util.table.join(
-        awful.button({}, 0,
-
-            function()
-                helpers.run_in_terminal(app)
-            end)
-    ))
+    helpers.newtimer(mail, timeout, update, true)
 
-    return myimapcheck
+    return widget
 end
 
 return setmetatable(imap, { __call = function(_, ...) return worker(...) end })
diff --git a/widgets/init.lua b/widgets/init.lua
index 78cac9b..0e863ba 100644
--- a/widgets/init.lua
+++ b/widgets/init.lua
@@ -15,10 +15,6 @@
 local wrequire     = require("lain.helpers").wrequire
 local setmetatable = setmetatable
 
-local widgets =
-{
-    _NAME = "lain.widgets",
-    terminal = "xterm" -- X default
-}
+local widgets = { _NAME = "lain.widgets" }
 
 return setmetatable(widgets, { __index = wrequire })
diff --git a/widgets/maildir.lua b/widgets/maildir.lua
index 98de091..00ab771 100644
--- a/widgets/maildir.lua
+++ b/widgets/maildir.lua
@@ -7,11 +7,8 @@
                                                   
 --]]
 
-local markup          = require("lain.util.markup")
-local run_in_terminal = require("lain.helpers").run_in_terminal
+local newtimer        = require("lain.helpers").newtimer
 
-local awful           = require("awful")
-local beautiful       = require("beautiful")
 local wibox           = require("wibox")
 
 local io              = io
@@ -28,25 +25,20 @@ local setmetatable    = setmetatable
 local maildir = {}
 
 function worker(args)
-    local args = args or {}
-    local mailpath = args.mailpath or os.getenv("HOME") .. "/Mail"
+    local args         = args or {}
+    local timeout      = args.timeout or 60
+    local mailpath     = args.mailpath or os.getenv("HOME") .. "/Mail"
     local ignore_boxes = args.ignore_boxes or {}
-    local refresh_timeout = args.refresh_timeout or 60
-    local header = args.header or " Mail "
-    local header_color = args.header_color or beautiful.fg_normal or "#FFFFFF"
-    local color_newmail = args.color_newmail or beautiful.fg_focus or "#FFFFFF"
-    local color_nomail = args.color_nomail or beautiful.fg_normal or "#FFFFFF"
-    local app = args.app or "mutt"
-    local shadow = args.shadow or false
-
-    local mymailcheck = wibox.widget.textbox()
-    local mymailcheckupdate = function()
+    local settings     = args.settings or function() end
+
+    widget = wibox.widget.textbox('')
+
+    function update()
         -- Find pathes to mailboxes.
         local p = io.popen("find " .. mailpath ..
                            " -mindepth 1 -maxdepth 1 -type d" ..
                            " -not -name .git")
         local boxes = {}
-        local line = ""
         repeat
             line = p:read("*l")
             if line ~= nil
@@ -73,7 +65,8 @@ function worker(args)
 
         table.sort(boxes)
 
-        local newmail = ""
+        newmail = "no mail"
+
         local count = 0
         for box, number in pairs(boxes)
         do
@@ -91,39 +84,12 @@ function worker(args)
             end
         end
 
-        if count == 1 then
-            -- it will be only executed once
-            for box, number in pairs(boxes)
-            do  -- it's useless to show only INBOX(x)
-                if box == "INBOX" then newmail = number end
-            end
-        end
-
-        if newmail == ""
-        then
-            if shadow
-            then
-                mymailcheck:set_text('')
-            else
-                myimapcheck:set_markup(markup(color_nomail, " no mail "))
-            end
-        else
-            myimapcheck:set_markup(" " .. markup(header_color, header) ..
-                                   markup(color_newmail, newmail) .. " ")
-        end
+        settings()
     end
 
-    local mymailchecktimer = timer({ timeout = refresh_timeout })
-    mymailchecktimer:connect_signal("timeout", mymailcheckupdate)
-    mymailchecktimer:start()
-    mymailcheck:buttons(awful.util.table.join(
-        awful.button({}, 0,
-            function()
-                run_in_terminal(app)
-            end)
-    ))
-
-    return mymailcheck
+    newtimer(mailpath, timeout, update, true)
+
+    return widget
 end
 
 return setmetatable(maildir, { __call = function(_, ...) return worker(...) end })
diff --git a/widgets/mem.lua b/widgets/mem.lua
index 3034e89..d0ff223 100644
--- a/widgets/mem.lua
+++ b/widgets/mem.lua
@@ -9,10 +9,8 @@
                                                            
 --]]
 
-local markup          = require("lain.util.markup")
-local run_in_terminal = require("lain.helpers").run_in_terminal
+local newtimer        = require("lain.helpers").newtimer
 
-local beautiful       = require("beautiful")
 local wibox           = require("wibox")
 
 local io              = { lines  = io.lines }
@@ -28,19 +26,14 @@ local setmetatable    = setmetatable
 local mem = {}
 
 function worker(args)
-    local args = args or {}
-    local refresh_timeout = args.refresh_timeout or 10
-    local show_swap = args.show_swap or false
-    local show_total = args.show_total or false
-    local header = args.header or " Mem "
-    local header_color = args.header or beautiful.fg_normal or "#FFFFFF"
-    local color = args.color or beautiful.fg_focus or "#FFFFFF"
-    local footer = args.footer or "MB "
+    local args     = args or {}
+    local timeout  = args.timeout or 3
+    local settings = args.settings or function() end
 
-    local widg = wibox.widget.textbox()
+    widget = wibox.widget.textbox('')
 
-    local upd = function()
-        local mem = {}
+    function update()
+        mem = {}
         for line in io.lines("/proc/meminfo")
         do
             for k, v in string.gmatch(line, "([%a]+):[%s]+([%d]+).+")
@@ -58,30 +51,12 @@ function worker(args)
         used = mem.total - (mem.free + mem.buf + mem.cache)
         swapused = mem.swap - mem.swapf
 
-        if show_total
-        then
-            local fmt = "%" .. string.len(mem.total) .. ".0f/%.0f"
-            widg:set_markup(markup(header_color, header) ..
-                            markup(color, string.format(fmt, used, mem.total) .. footer))
-        else
-            widg:set_markup(markup(header_color, header) ..
-                            markup(color, used .. footer))
-        end
-
-        if show_swap
-        then
-            widg:set_markup(widg._layout.text .. ' ('
-                            .. string.format('%.0f '.. footer, swapused)
-                            .. ')')
-        end
+        settings()
     end
 
-    local tmr = timer({ timeout = refresh_timeout })
-    tmr:connect_signal("timeout", upd)
-    tmr:start()
-    tmr:emit_signal("timeout")
+    newtimer("mem", timeout, update)
 
-    return widg
+    return widget
 end
 
 return setmetatable(mem, { __call = function(_, ...) return worker(...) end })
diff --git a/widgets/mpd.lua b/widgets/mpd.lua
index 8db62ae..8ba1cde 100644
--- a/widgets/mpd.lua
+++ b/widgets/mpd.lua
@@ -7,10 +7,9 @@
                                                   
 --]]
 
-local markup       = require("lain.util.markup")
 local helpers      = require("lain.helpers")
 
-local awful        = require("awful")
+local util         = require("awful.util")
 local beautiful    = require("beautiful")
 local naughty      = require("naughty")
 local wibox        = require("wibox")
@@ -27,111 +26,87 @@ local setmetatable = setmetatable
 local mpd = { id = nil }
 
 function worker(args)
-    local args = args or {}
-    local password = args.password or ""
-    local host = args.host or "127.0.0.1"
-    local port = args.port or "6600"
+    local args      = args or {}
+    local timeout   = args.timeout or 1
+    local password  = args.password or ""
+    local host      = args.host or "127.0.0.1"
+    local port      = args.port or "6600"
     local music_dir = args.music_dir or os.getenv("HOME") .. "/Music"
-    local refresh_timeout = args.refresh_timeout or 1
-    local header_color = args.header_color or beautiful.fg_normal or "#FFFFFF"
-    local color = args.color or beautiful.fg_focus or "#FFFFFF"
-    local spr = args.spr or " "
-    local footer = args.footer or ""
-    local app = args.app or "ncmpcpp"
-    local shadow = args.shadow or false
+    local settings  = args.settings or function() end
 
     local mpdcover = helpers.scripts_dir .. "mpdcover"
-    local mpdh = "telnet://"..host..":"..port
-    local echo = "echo 'password "..password.."\nstatus\ncurrentsong\nclose'"
+    local mpdh = "telnet://" .. host .. ":" .. port
+    local echo = "echo 'password " .. password .. "\nstatus\ncurrentsong\nclose'"
 
-    local mympd = wibox.widget.textbox()
+    widget = wibox.widget.textbox('')
 
     helpers.set_map("current mpd track", nil)
 
-    local mympdupdate = function()
-        local function set_nompd()
-            if shadow
-            then
-                mympd:set_text('')
-            else
-                mympd:set_markup(markup(header_color, "mpd ") .. markup(color , "off") .. footer)
-            end
-        end
-
-        local mpd_state  = {
-            ["{state}"]  = "N/A",
-            ["{file}"]   = "N/A",
-            ["{Artist}"] = "N/A",
-            ["{Title}"]  = "N/A",
-            ["{Album}"]  = "N/A",
-            ["{Date}"]   = "N/A"
+    function update()
+        mpd_now = {
+            state  = "N/A",
+            file   = "N/A",
+            artist = "N/A",
+            title  = "N/A",
+            album  = "N/A",
+            date   = "N/A"
         }
 
-        -- Get data from MPD server
         local f = io.popen(echo .. " | curl --connect-timeout 1 -fsm 3 " .. mpdh)
 
         for line in f:lines() do
             for k, v in string.gmatch(line, "([%w]+):[%s](.*)$") do
-                if     k == "state"  then mpd_state["{"..k.."}"] = v
-                elseif k == "file"   then mpd_state["{"..k.."}"] = v
-                elseif k == "Artist" then mpd_state["{"..k.."}"] = awful.util.escape(v)
-                elseif k == "Title"  then mpd_state["{"..k.."}"] = awful.util.escape(v)
-                elseif k == "Album"  then mpd_state["{"..k.."}"] = awful.util.escape(v)
-                elseif k == "Date"   then mpd_state["{"..k.."}"] = awful.util.escape(v)
+                if     k == "state"  then mpd_now.state  = v
+                elseif k == "file"   then mpd_now.file   = v
+                elseif k == "Artist" then mpd_now.artist = util.escape(v)
+                elseif k == "Title"  then mpd_now.title  = util.escape(v)
+                elseif k == "Album"  then mpd_now.album  = util.escape(v)
+                elseif k == "Date"   then mpd_now.date   = util.escape(v)
                 end
             end
         end
 
         f:close()
 
-        if mpd_state["{state}"] == "play"
+        notification_preset = {
+            title   = "Now playing",
+            text    = mpd_now.artist .. " ("   ..
+                      mpd_now.album  .. ") - " ..
+                      mpd_now.date   .. "\n"   ..
+                      mpd_now.title,
+            fg      = beautiful.fg_normal or "#FFFFFF",
+            bg      = beautiful.bg_normal or "#000000",
+            timeout = 6
+        }
+
+        settings()
+
+        if mpd_now.state == "play"
         then
-            if mpd_state["{Title}"] ~= helpers.get_map("current mpd track")
+            if mpd_now.title ~= helpers.get_map("current mpd track")
             then
-                helpers.set_map("current mpd track", mpd_state["{Title}"])
+                helpers.set_map("current mpd track", mpd_now.title)
+
                 os.execute(mpdcover .. " '" .. music_dir .. "' '"
-                           .. mpd_state["{file}"] .. "'")
+                           .. mpd_now.file .. "'")
+
                 mpd.id = naughty.notify({
-                    title = "Now playing",
-                    text = mpd_state["{Artist}"] .. " ("   ..
-                           mpd_state["{Album}"]  .. ") - " ..
-                           mpd_state["{Date}"]   .. "\n"   ..
-                           mpd_state["{Title}"],
+                    preset = notification_preset,
                     icon = "/tmp/mpdcover.png",
-                    fg = color,
-                    timeout = 6, 
                     replaces_id = mpd.id
                 }).id
             end
-            mympd:set_markup(markup(header_color, mpd_state["{Artist}"])
-                             .. spr ..
-                             markup(color, mpd_state["{Title}"]) .. footer)
-        elseif mpd_state["{state}"] == "pause"
+        elseif mpd_now.state ~= "pause"
         then
-            mympd:set_markup(markup(header_color, "mpd")
-                             .. spr ..
-                             markup(color, "paused") .. footer)
-        else
             helpers.set_map("current mpd track", nil)
-		        set_nompd()
 	      end
     end
 
-    local mympdtimer = timer({ timeout = refresh_timeout })
-    mympdtimer:connect_signal("timeout", mympdupdate)
-    mympdtimer:start()
-    mympdtimer:emit_signal("timeout")
-
-    mympd:buttons(awful.util.table.join(
-        awful.button({}, 0,
-            function()
-                helpers.run_in_terminal(app)
-            end)
-    ))
+    helpers.newtimer("mpd", timeout, update)
 
-    local mpd_out = { widget = mympd, notify = mympdupdate }
+    output = { widget = widget, notify = update }
 
-    return setmetatable(mpd_out, { __index = mpd_out.widget })
+    return setmetatable(output, { __index = output.widget })
 end
 
 return setmetatable(mpd, { __call = function(_, ...) return worker(...) end })
diff --git a/widgets/net.lua b/widgets/net.lua
index 18727f1..f05235b 100644
--- a/widgets/net.lua
+++ b/widgets/net.lua
@@ -7,33 +7,24 @@
                                                   
 --]]
 
-local markup       = require("lain.util.markup")
 local helpers      = require("lain.helpers")
 
-local awful        = require("awful")
-local beautiful    = require("beautiful")
+local notify_fg    = require("beautiful").fg_focus
+local naughty      = require("naughty")
 local wibox        = require("wibox")
 
 local io           = io
 local tostring     = tostring
-local string       = { format = string.format }
+local string       = { format = string.format,
+                       gsub   = string.gsub }
 
 local setmetatable = setmetatable
 
 -- Network infos
 -- lain.widgets.net
 local net = {
-    send = "0",
-    recv = "0",
-    last_t = {},
-    last_r = {}
-}
-
-net.units = {
-    ["b"] = 1,
-    ["kb"] = 1024,
-    ["mb"] = 1024^2,
-    ["gb"] = 1024^3
+    last_t = 0,
+    last_r = 0
 }
 
 function net.get_device()
@@ -51,103 +42,61 @@ end
 function worker(args)
     local args = args or {}
     local iface = args.iface or net.get_device()
-    local delta = args.refresh_timeout or 2
-    local units = args.units or net.units["kb"]
-    local spr = args.spr or " "
-    local header = args.header or iface
-    local header_color = args.header_color or beautiful.fg_normal or "#FFFFFF"
-    local color_up = args.color_up or beautiful.fg_focus or "#FFFFFF"
-    local color_down = args.color_down or beautiful.fg_focus or "#FFFFFF"
-    local app = args.app or "sudo wifi-menu"
+    local units = args.units or 1024 --kb
+    local timeout = args.timeout or 2
+    local settings = args.settings or function() end
 
-    helpers.set_map(iface, true)
-    helpers.set_map("carrier", 0)
+    widget = wibox.widget.textbox('')
 
-    local mynet = wibox.widget.textbox()
+    helpers.set_map(iface, true)
 
-    local mynetupdate = function()
-        if iface == "" then
-            iface = net.get_device()
-            header = iface
-        end
+    function update() 
+        if iface == "" then iface = net.get_device() end
 
-        local carrier = helpers.first_line('/sys/class/net/' .. iface ..
-                                           '/carrier') or ""
-        local state = helpers.first_line('/sys/class/net/' .. iface ..
-                                           '/operstate')
+        carrier = helpers.first_line('/sys/class/net/' .. iface ..
+                                           '/carrier') or "0"
+        state = helpers.first_line('/sys/class/net/' .. iface ..
+                                           '/operstate') or "down"
         local now_t = helpers.first_line('/sys/class/net/' .. iface ..
-                                           '/statistics/tx_bytes')
+                                           '/statistics/tx_bytes') or 0
         local now_r = helpers.first_line('/sys/class/net/' .. iface ..
-                                           '/statistics/rx_bytes')
-        local text = '<span color="' .. header_color .. '">' .. header .. '</span> '
+                                           '/statistics/rx_bytes') or 0
+
+        sent = tostring((now_t - net.last_t) / timeout / units)
+        sent = string.gsub(string.format('%.1f', sent), ",", ".")
+
+        received = tostring((now_r - net.last_r) / timeout / units)
+        received = string.gsub(string.format('%.1f', received), ",", ".")
+
+        settings()
+
+        net.last_t = now_t
+        net.last_r = now_r
 
         if carrier ~= "1"
         then
             if helpers.get_map(iface)
             then
                 n_title = iface
-                if n_title == "" then
-                    n_title = "network"
-                    header = "Net"
-                end
-                naughty.notify({ title = n_title, text = "no carrier",
-                                 timeout = 7,
-                                 position = "top_left",
-                                 icon = beautiful.lain_no_net_notify or
-                                        helpers.icons_dir .. "no_net.png",
-                                 fg = beautiful.fg_focus or "#FFFFFF" })
-
-                mynet:set_markup(markup(header_color, header) .. markup(color_up, " Off"))
+                if n_title == "" then n_title = "network" end
+                naughty.notify({
+                    title    = n_title,
+                    text     = "no carrier",
+                    timeout  = 7,
+                    position = "top_left",
+                    icon     = helpers.icons_dir .. "no_net.png",
+                    fg       = notify_fg or "#FFFFFF"
+                })
                 helpers.set_map(iface, false)
             end
-            return
         else
             helpers.set_map(iface, true)
         end
-
-        if state == 'down' or not now_t or not now_r
-        then
-            mynet:set_markup(' ' .. text .. '-' .. ' ')
-            return
-        end
-
-        if net.last_t[iface] and net.last_t[iface]
-        then
-            net.send = tostring((now_t - net.last_t[iface]) / delta / units)
-            net.recv = tostring((now_r - net.last_r[iface]) / delta / units)
-
-            text = text
-                   .. '<span color="' .. color_up .. '">'
-                   .. string.format('%.1f', net.send)
-                   .. '</span>'
-                   ..  spr
-                   .. '<span color="' .. color_down .. '">'
-                   .. string.format('%.1f', net.recv)
-                   .. '</span>'
-
-            mynet:set_markup(' ' .. text .. ' ')
-        else
-            mynet:set_markup(' ' .. text .. '-' .. ' ')
-        end
-
-        net.last_t[iface] = now_t
-        net.last_r[iface] = now_r
     end
 
-    local mynettimer = timer({ timeout = delta })
-    mynettimer:connect_signal("timeout", mynetupdate)
-    mynettimer:start()
-    mynettimer:emit_signal("timeout")
-
-    mynet:buttons(awful.util.table.join(
-            awful.button({}, 0, function()
-                helpers.run_in_terminal(app)
-                mynetupdate()
-            end)))
-
-    net.widget = mynet
+    helpers.newtimer(iface, timeout, update)
 
-    return setmetatable(net, { __index = net.widget })
+    return widget
 end
 
 return setmetatable(net, { __call = function(_, ...) return worker(...) end })
diff --git a/widgets/sysload.lua b/widgets/sysload.lua
index eb06828..6167d82 100644
--- a/widgets/sysload.lua
+++ b/widgets/sysload.lua
@@ -7,11 +7,8 @@
                                                   
 --]]
 
-local markup       = require("lain.util.markup")
-local helpers      = require("lain.helpers")
+local newtimer     = require("lain.helpers").newtimer
 
-local awful        = require("awful")
-local beautiful    = require("beautiful")
 local wibox        = require("wibox")
 
 local io           = io
@@ -26,45 +23,24 @@ local sysload = {}
 
 function worker(args)
     local args = args or {}
-    local refresh_timeout = args.refresh_timeout or 5
-    local show_all = args.show_all or false
-    local header = args.header or " Load "
-    local header_color = args.header_color or beautiful.fg_normal or "#FFFFFF"
-    local color = args.color or beautiful.fg_focus or "#FFFFFF" 
-    local app = args.app or "top"
+    local timeout = args.timeout or 5
+    local settings = args.settings or function() end
 
-    local mysysload = wibox.widget.textbox()
+    widget = wibox.widget.textbox('')
 
-    local mysysloadupdate = function()
+    function update()
         local f = io.open("/proc/loadavg")
         local ret = f:read("*all")
         f:close()
+        
+        a, b, c = string.match(ret, "([^%s]+) ([^%s]+) ([^%s]+)")
 
-        if show_all
-        then
-            local a, b, c = string.match(ret, "([^%s]+) ([^%s]+) ([^%s]+)")
-            mysysload:set_text(string.format("%s %s %s", a, b, c))
-        else
-            local a = string.match(ret, "([^%s]+) ")
-            mysysload:set_text(string.format("%s", a))
-        end
-        mysysload:set_markup(markup(header_color, header) ..
-                             markup(color, mysysload._layout.text .. " "))
+        settings()
     end
 
-    local mysysloadtimer = timer({ timeout = refresh_timeout })
-    mysysloadtimer:connect_signal("timeout", mysysloadupdate)
-    mysysloadtimer:start()
-    mysysloadtimer:emit_signal("timeout")
+    newtimer("sysload", timeout, update)
 
-    mysysload:buttons(awful.util.table.join(
-        awful.button({}, 0,
-            function()
-                helpers.run_in_terminal(app)
-            end)
-    ))
-
-    return mysysload
+    return widget
 end
 
 return setmetatable(sysload, { __call = function(_, ...) return worker(...) end })
diff --git a/widgets/temp.lua b/widgets/temp.lua
index 301bc1c..5b1ebf5 100644
--- a/widgets/temp.lua
+++ b/widgets/temp.lua
@@ -6,9 +6,8 @@
                                                   
 --]]
 
-local markup       = require("lain.util.markup")
+local newtimer     = require("lain.helpers").newtimer
 
-local beautiful    = require("beautiful")
 local wibox        = require("wibox")
 
 local io           = io
@@ -21,32 +20,22 @@ local setmetatable = setmetatable
 local temp = {}
 
 function worker(args)
-    local args = args or {}
-    local refresh_timeout = args.refresh_timeout or 5
-    local header = args.header or " Temp "
-    local header_color = args.header_color or beautiful.fg_normal or "#FFFFFF"
-    local color = args.color or beautiful.fg_focus or header_color
-    local footer = args.footer or "C "
+    local args     = args or {}
+    local timeout  = args.timeout or 5
+    local settings = args.settings or function() end
 
-    local mytemp = wibox.widget.textbox()
+    widget = wibox.widget.textbox('')
 
-    local mytempupdate = function()
+    function update()
         local f = io.open("/sys/class/thermal/thermal_zone0/temp")
-        local ret = f:read("*all")
+        coretemp_now = tonumber(f:read("*all")) / 1000
         f:close()
-
-        ret = tonumber(ret) / 1000
-
-        mytemp:set_markup(markup(header_color, header) ..
-                          markup(color, ret .. footer))
+        settings()
     end
 
-    local mytemptimer = timer({ timeout = refresh_timeout })
-    mytemptimer:connect_signal("timeout", mytempupdate)
-    mytemptimer:start()
-    mytemptimer:emit_signal("timeout")
+    newtimer("coretemp", timeout, update)
 
-    return mytemp
+    return widget
 end
 
 return setmetatable(temp, { __call = function(_, ...) return worker(...) end })
diff --git a/widgets/yawn/init.lua b/widgets/yawn/init.lua
index 20c90b1..9bed983 100644
--- a/widgets/yawn/init.lua
+++ b/widgets/yawn/init.lua
@@ -6,9 +6,8 @@
                                                   
 --]]
 
-local markup       = require("lain.util.markup")
+local newtimer     = require("lain.helpers").newtimer
 
-local beautiful    = require("beautiful")
 local naughty      = require("naughty")
 local wibox        = require("wibox")
 
@@ -28,10 +27,9 @@ local setmetatable = setmetatable
 -- lain.widgets.yawn
 local yawn =
 {
-    units    = "",
-    forecast = "",
-    icon     = wibox.widget.imagebox(),
-    widget   = wibox.widget.textbox()
+    icon                = wibox.widget.imagebox(),
+    widget              = wibox.widget.textbox(''),
+    notification_preset = {}
 }
 
 local project_path       = debug.getinfo(1, 'S').source:match[[^@(.*/).*$]]
@@ -44,33 +42,32 @@ local weather_data       = nil
 local notification       = nil
 local city_id            = nil
 local sky                = nil
-local settings           = {}
-local update_timer       = nil
-
-local function fetch_weather(args)
-    local toshow = args.toshow or "forecast"
+local settings           = function() end
 
+local function fetch_weather()
     local url = api_url .. units_set .. city_id
     local f = io.popen("curl --connect-timeout 1 -fsm 2 '"
                        .. url .. "'" )
     local text = f:read("*all")
     f:close()
 
+    -- handle no suitable icon found
+    yawn.icon:set_image(icon_path .. "na.png")
+
     -- In case of no connection or invalid city ID
     -- widgets won't display
     if text == "" or text:match("City not found")
     then
-        sky = icon_path .. "na.png"
-        yawn.icon:set_image(sky)
         if text == "" then
             weather_data = "Service not available at the moment."
-            return "N/A"
+            yawn.widget:set_text("N/A")
         else
             weather_data = "City not found!\n" ..
                            "Are you sure " .. city_id ..
                            " is your Yahoo city ID?"
-            return "?"
+            yawn.widget:set_text("?")
         end
+        return
     end
 
     -- Processing raw data
@@ -88,8 +85,8 @@ local function fetch_weather(args)
     -- Getting info for text widget
     local now      = weather_data:sub(weather_data:find("Now:")+5,
                      weather_data:find("\n")-1)
-    local forecast = now:sub(1, now:find(",")-1)
-    local units    = now:sub(now:find(",")+2, -2)
+    forecast       = now:sub(1, now:find(",")-1)
+    units          = now:sub(now:find(",")+2, -2)
 
     -- Day/Night icon change
     local hour = tonumber(os.date("%H"))
@@ -110,14 +107,6 @@ local function fetch_weather(args)
 
     sky = sky  .. forecast:gsub(" ", ""):gsub("/", "") .. ".png"
 
-    -- In case there's no defined icon for current forecast
-    f = io.popen(sky)
-    if f == nil then
-        sky = icon_path .. "na.png"
-    else
-        f:close()
-    end
-
     -- Localization
     local f = io.open(localizations_path .. language, "r")
     if language:find("en_") == nil and f ~= nil
@@ -132,21 +121,18 @@ local function fetch_weather(args)
     end
 
     -- Finally setting infos
-    both = weather_data:match(": %S+.-\n"):gsub(": ", "")
+    yawn.icon:set_image(sky)
+    widget = wibox.widget.textbox()
+
     forecast = weather_data:match(": %S+.-,"):gsub(": ", ""):gsub(",", "\n")
     units = units:gsub(" ", "")
+    notification_preset = {}
+    -- anche notification preset, con fg, bg e position
 
-    yawn.forecast = markup(yawn.color, " " .. markup.font(beautiful.font, forecast) .. " ")
-    yawn.units = markup(yawn.color, " " .. markup.font(beautiful.font, units))
-    yawn.icon:set_image(sky)
+    settings()
 
-    if toshow == "forecast" then
-        return yawn.forecast
-    elseif toshow == "units" then
-        return yawn.units
-    else
-        return both 
-    end
+    yawn.widget = widget
+    yawn.notification_preset = notification_preset 
 end
 
 function yawn.hide()
@@ -159,41 +145,29 @@ end
 function yawn.show(t_out)
     if yawn.widget._layout.text == "?"
     then
-        if update_timer ~= nil
-        then
-            update_timer:emit_signal("timeout")
-        else
-            fetch_weather(settings)
-        end
+        fetch_weather(settings)
     end
 
     yawn.hide()
 
     notification = naughty.notify({
+        preset = yawn.notification_preset,
         text = weather_data,
         icon = sky,
-        timeout = t_out,
-        fg = yawn.color
+        timeout = t_out
     })
 end
 
 function yawn.register(id, args)
-    local args = args or {}
-
-    settings = args 
-
-    yawn.color = args.color or beautiful.fg_normal or "#FFFFFF"
+    local args     = args or {}
+    local timeout  = args.timeout or 600
+    settings       = args.settings or function() end
 
     if args.u == "f" then units_set = '?u=f&w=' end
 
     city_id = id
 
-    update_timer = timer({ timeout = 600 }) -- 10 mins
-    update_timer:connect_signal("timeout", function()
-        yawn.widget:set_markup(fetch_weather(settings))
-    end)
-    update_timer:start()
-    update_timer:emit_signal("timeout")
+    newtimer("yawn", timeout, fetch_weather)
 
     yawn.icon:connect_signal("mouse::enter", function()
         yawn.show(0)
@@ -202,7 +176,7 @@ function yawn.register(id, args)
         yawn.hide()
     end)
 
-    return yawn
+    return { icon = yawn.icon, widget = yawn.widget }
 end
 
 function yawn.attach(widget, id, args)
@@ -217,6 +191,4 @@ function yawn.attach(widget, id, args)
     end)
 end
 
--- }}}
-
 return setmetatable(yawn, { __call = function(_, ...) return yawn.register(...) end })
-- 
2.39.5