ihasit

helper.lua

--For debugging
local naughty = require("naughty")

helper = {
    inTable = function(tbl, item)
        for key, value in pairs(tbl) do
            if value == item then return key end
        end
        return false
    end,

    nextIndex = function(target, index)
        local next_index = 1
        
        if index < #target then
            next_index = index + 1
        end
        
        return next_index
    end,
    
    timeout = function(timer)
        timer.emit_signal("timeout")
    end,
    bindKey = function (boundKey, boundPressAction, boundReleaseAction, boundTick, boundDelay)
        --default values
        boundPressAction = boundPressAction or function() end
        boundReleaseAction = boundReleaseAction or function() end
        boundTick = boundTick or 100
        boundDelay = boundDelay or 300
        
        --helper functions
        function getSystemTime()
            fh = assert(io.popen("date +%s%N | cut -b1-13"))
            time = fh:read("*l")
            fh:close()
            
            return time
        end
        
        --time calculation vars
        startMark = getSystemTime()
        elapsedMark = 0
        --action state bools
        isDelayElapsed = false
        isTicked = false
        
        --stop existing keygrabber
        keygrabber.stop()
        
        keygrabber.run(function(mod, key, event)
            if boundKey == key then
                if event == "press" then
                    elapsedMark = getSystemTime() - startMark
                    
                    if isDelayElapsed then
                        if elapsedMark > boundTick then
                            isTicked = true;
                            startMark = getSystemTime()
                            
                            boundPressAction()
                        end
                    else 
                        if elapsedMark > boundDelay then
                            isDelayElapsed = true;
                            startMark = getSystemTime()
                        end
                    end
                else
                    if not isTicked then
                        boundReleaseAction()
                    end
                    --stop keygrabber on release
                    keygrabber.stop()
                end
            end
        end)
    end
}

return helper

init.lua

local module_path = (...):match ("(.+/)[^/]+$") or ""

package.loaded.net_widgets = nil

local ihasit = {
    helper   = require(module_path .. "ihasit.helper"),
    widget    = require(module_path .. "ihasit.widget")
}

return ihasit

rc.lua

local ihasit = require("ihasit")

-- ..

local volumewidget = ihasit.widget.volume()
local wifiwidget = ihasit.widget.wifi()
local batterywidget = ihasit.widget.battery()
local clockwidget = ihasit.widget.clock()
local memorywidget = ihasit.widget.memory()
local hddswidget = ihasit.widget.hdds()
local poweroffwidget = ihasit.widget.poweroff()
local updownwidget = ihasit.widget.updown()

-- ..

-- Widgets that are aligned to the right
    local right_layout = wibox.layout.fixed.horizontal()
    if s == 1 then right_layout:add(wibox.widget.systray()) end
    if s == 1 then right_layout:add(hddswidget) end
    if s == 1 then right_layout:add(memorywidget) end
    if s == 1 then right_layout:add(updownwidget) end
    if s == 1 then right_layout:add(batterywidget) end
    if s == 1 then right_layout:add(volumewidget) end
    if s == 1 then right_layout:add(wifiwidget) end
    right_layout:add(clockwidget)
    right_layout:add(poweroffwidget)
    
    --..
    
-- ..

local widget_view_mode = true
-- {{{ Key bindings
globalkeys = awful.util.table.join(
  -- ..
    awful.key({                   }, "XF86MonBrightnessUp",      function () 
        widget_view_mode = not widget_view_mode
        volumewidget.toggle(widget_view_mode) 
        batterywidget.toggle(widget_view_mode) 
        wifiwidget.toggle(widget_view_mode) 
        hddswidget.toggle(widget_view_mode) 
    end),
    
  -- ..
  
-- ..

-- {{{ Rules
-- Rules to apply to new clients (through the "manage" signal).
awful.rules.rules = {
    -- ..
    { rule = { name = "echo ~~~monitoring network;vnstat --live" },
      properties = {floating = true, ontop = true},
      callback = function(c) c:tags({tags[1][1], tags[1][2], tags[1][3], tags[1][4], tags[1][5]}) end },
    { rule = { name = "Tasks" },
      properties = {floating = true, ontop = true},
      callback = function(c) c:tags({tags[1][1], tags[1][2], tags[1][3], tags[1][4], tags[1][5]}) end },
      
    --..
-..

widget.lua

local awful = require("awful")
-- Widget and layout library
local wibox = require("wibox")
local naughty = require("naughty")

widget = {
    wifi = function() 
        local manager = "xterm -fa 'Monospace' -fs 11 -geometry 49x24-0+727 -e 'echo ~~~Wifi Menu requested;sudo wifi-menu'"
        local icons = { connected = "", disconnected = ""}
        local simple = true

        -- Create a wifi widgets
        local widget = wibox.widget.textbox()    
        widget:set_text(" Wifi | ")    
        local timer = timer({ timeout = 5 })    
        timer:connect_signal("timeout",    
          function()    
            fh = assert(io.popen("iwgetid -r", "r"))
            local wifi = fh:read("*l") or false
            
            if wifi then 
                if simple then
                    widget:set_markup(" " .. icons.connected .. "  | ")  
                else
                    widget:set_markup(" " .. icons.connected .. " " .. wifi .. " | ")   
                end
            else
                widget:set_markup(" " .. icons.disconnected .. "  | ")  
            end
            
            fh:close()    
          end    
        )    
        timer:start()
        timer:emit_signal("timeout")
        widget:buttons(
            awful.util.table.join(
                awful.button({ }, 3, function ()
                    simple = true
                    awful.util.spawn(manager)
                end),
                awful.button({ }, 1, function ()
                    simple = not simple
                    timer:emit_signal("timeout")
                end)
            )
         )
         
        widget.simple = function(new_simple) simple = new_simple timer:emit_signal("timeout") end
        widget.toggle = function(new_simple) simple = new_simple timer:emit_signal("timeout") end
        return widget
    end,
    
    volume = function()
        local icons = { muted = '', unmuted = ''}
        local simple = true

        -- Create a volume widgets
        local widget = wibox.widget.textbox()
        widget:set_markup(" Volume | ")
        local timer = timer({ timeout = 5 })
        timer:connect_signal("timeout",
          function()
            local volume = 0
            local isMuted = 'no'
            local icon = icons.unmuted
            
            fh = assert(io.popen("amixer get Master | awk '$0~/%/{print $5; exit}' | tr -d '[]%'", "r"))
            volume = fh:read("*l")
            fh:close()
            
            fh = assert(io.popen("pacmd dump | awk '$1 == \"set-sink-mute\" {m[$2] = $3} $1 == \"set-default-sink\" {s = $2} END {print m[s]}'", "r"))
            isMuted = fh:read("*l")
            fh:close()
            
            if isMuted == 'yes' then
                icon = icons.muted
                widget:set_markup(icon .. ' <span color="#ff6666">' .. volume .. '%</span>' .. " | ")
            else
                widget:set_markup(icon .. ' ' .. volume .. '%' .. " | ")
            end
            
            if simple then
                widget:set_markup(icon .. "  | ")
            end
          end    
        )
        timer:start()
        timer:emit_signal("timeout")
        widget:buttons(awful.util.table.join(
            awful.button({ }, 1, function ()
                simple = not simple
                timer:emit_signal("timeout")
            end)
         ))
        
        widget.simple = function(new_simple) simple = new_simple timer:emit_signal("timeout") end
        widget.toggle = function(new_simple) simple = new_simple timer:emit_signal("timeout") end
        widget.timeout = function() timer:emit_signal("timeout") end
        
        return widget
    end,
    
    battery = function()
        local simple = true
        local icons = { lower = '&#xf244;',  low = '&#xf243;', medium = '&#xf242;', high = '&#xf241;', higher = '&#xf240;'}

        -- Create a battery widgets
        local widget = wibox.widget.textbox()
        widget:set_text(" Battery | ")
        local timer = timer({ timeout = 5 })
        timer:connect_signal("timeout",
          function()
            fh = assert(io.popen("acpi | cut -d, -f 2 -", "r"))
            local num = tonumber(string.sub(fh:read("*l"),1,-2))
            fh:close()
            
            fh = assert(io.popen("acpi | cut -d ' ' -f 3 -", "r"))
            local status = fh:read("*l")
            fh:close()
            
            if status == "Charging," then
                status = "+"
            else
                status = "-"
            end
            
            local icon = ""
            if num < 15 then
                icon = icons.lower
            elseif num < 40 then
                icon = icons.low
            elseif num < 70 then
                icon = icons.medium
            elseif num < 85 then
                icon = icons.high
            else
                icon = icons.higher
            end
            
            if num < 15 and status == '-' then
                naughty.notify({text="Battery is Low"})
                if simple then
                    widget:set_markup(status .. ' <span color="#ff6666">' .. icon .. '</span> ' .. " | ")
                else
                    widget:set_markup('<span color="#ff6666">' .. status .. '</span> ' .. icon .. ' <span color="#ff6666">' .. num .. '%</span> ' .. " | ")
                end
            else
                if simple then
                    widget:set_markup(status .. ' <span color="#34bb99">' .. icon .. '</span> ' .. " | ")
                else
                    widget:set_markup('<span color="#34bb99">' .. status .. '</span> ' .. icon .. ' <span color="#34bb99">' .. num .. '%</span> ' .. " | ")
                end
            end
          end    
        )    
        timer:start()
        timer:emit_signal("timeout")
        widget:buttons(awful.util.table.join(
            awful.button({ }, 1, function ()
                simple = not simple
                timer:emit_signal("timeout")
            end)
         ))
         
        widget.simple = function(new_simple) simple = new_simple timer:emit_signal("timeout") end
        widget.toggle = function(new_simple) simple = new_simple timer:emit_signal("timeout") end
        return widget
    end,
    
    updown = function()
        local vnstat = "xterm -fa 'Monospace' -fs 11 -geometry 39x2-0+1124 -e 'echo ~~~monitoring network;vnstat --live'"
        local speedtest = "xterm -fa 'Monospace' -fs 11 -geometry 39x11-0+960 -e 'echo ~~~monitoring network;wget -O - https://raw.github.com/sivel/speedtest-cli/master/speedtest_cli.py | python;read'"

        -- Create a updown widgets
        local widget = wibox.widget.textbox()
        widget:set_markup(" &#xf0ac;  | ")
        widget:buttons(awful.util.table.join(
            awful.button({ }, 1, function ()
                awful.util.spawn(vnstat)
            end),
            awful.button({ }, 3, function ()
                awful.util.spawn(speedtest)
            end)
         ))
        return widget
    end,
    
    clock = function()
        local manager = "gtg"
        
        -- Create a textclock widget
        local widget = awful.widget.textclock()
        
        widget:buttons(awful.util.table.join(
            awful.button({ }, 1, function ()
                awful.util.spawn(manager)
            end)
         ))
         
         return widget
    end,
    
    poweroff = function()
        local action = "xterm -fa 'Monospace' -fs 11 -geometry 38x11-0+960 -e 'echo ~~~Shutdown requested;sudo shutdown now'"
        local widget = wibox.widget.textbox()
        widget:set_markup(" | &#xf011;    ")
        
        widget:buttons(awful.util.table.join(
            awful.button({ }, 1, function ()
                awful.util.spawn(action)
            end)
         ))

        return widget
    end,
        
    
    memory = function()
        local widget = wibox.widget.textbox()
        widget:set_text(" Memory | ")
        local timer = timer({ timeout = 5 })
        timer:connect_signal("timeout",
          function()
            local index = 0
            local used = 0
            local total = 0
            local humanused = 0
            local humantotal = 0
            
            index = 0
            fh = assert(io.popen("free -m | awk '/Mem:/ { print $2 } /Mem:/ { print $3 }'", "r"))
            for line in fh:lines() do
                if index == 0 then
                    total = line
                elseif index == 1 then
                    used = line
                end
                
                index = index + 1
            end
            fh:close()
            
            index = 0
            fh = assert(io.popen("free -mh | awk '/Mem:/ { print $2 } /Mem:/ { print $3 }'", "r"))
            for line in fh:lines() do
                if index == 0 then
                    humantotal = line
                elseif index == 1 then
                    humanused = line
                end
                
                index = index + 1
                --naughty.notify({text= line })
            end
            fh:close()
            
            local numUsed = tonumber(used)
            
            if numUsed < (1024 * 3) then
                widget:set_markup("&#xf013; <span color='#34bb99'>" .. humanused .. "</span>" .. " | ")
            elseif numUsed < (1024 * 5) then
                widget:set_markup("&#xf013; <span color='#ffff66'>" .. humanused .. "</span>" .. " | ")
            else
                widget:set_markup("&#xf013; <span color='#ff6666'>" .. humanused .. "</span>" .. " | ")
            end
          end    
        )    
        timer:start()
        timer:emit_signal("timeout")
        
        return widget
    end,
    
    hdds = function()
        local widget = wibox.widget.textbox()
        
        local allowed_hdds = {'/dev/sda5', '/dev/sdc1'}
        local allowed_hdds_name = {'root', 'ibuki'}
        local allowed_hdds_icons = {'&#xf17c;', '&#xf0a0;' }
        local selected_hdd = 1
        local found_hdds = {}
        local simple = true

        function display_hdds (hdd_index, widget)
            selected_hdd = hdd_index
            
            local fh = io.popen("df -h")
            local found = false;
            local hdds = {}
            local found_hdds = {}
            
            for l in fh:lines() do 
                local hdd = {}
                for word in l:gmatch("%S+") do   
                    hdd[#hdd+1] = word   
                end
                
                hdds[#hdds+1] = hdd
            end
            
            fh:close()
            
            for i=1, #hdds, 1 do
                if helper.inTable(allowed_hdds, hdds[i][1]) then
                    found_hdds[#found_hdds+1] = hdds[i]
                end 
            
            end
            
            for i=1, #found_hdds, 1 do
                if i == selected_hdd then
                    if simple then
                        widget:set_markup(" | " .. allowed_hdds_icons[selected_hdd] .. " " .. allowed_hdds_name[selected_hdd] .. " <span color='#34bb99'>" .. found_hdds[i][4] .. "</span>" .. " | ")
                    else
                        widget:set_markup(
                        " | " .. allowed_hdds_icons[selected_hdd] .. " " .. allowed_hdds_name[selected_hdd] .. " <span color='#34bb99'>" .. found_hdds[i][4] .. "</span>" .. " <span color='#ff6666'>(" .. found_hdds[i][5] .. ")</span>" .. " | "
                        )
                    end
                end 
            end
           return found_hdds 
        end

        simple = true

        widget:set_text("   HDD Avail. | ")
        local timer = timer({ timeout = 5 })

        timer:connect_signal("timeout",
          function()
            found_hdds = display_hdds (selected_hdd, widget)
          end
        )

        timer:start()
        timer:emit_signal("timeout")
        widget:buttons(awful.util.table.join(
            awful.button({ }, 3, function ()
                found_hdds = display_hdds(helper.nextIndex(found_hdds, selected_hdd), widget)
            end),
            
            awful.button({ }, 1, function ()
                simple = not simple
                timer:emit_signal("timeout")
            end)
         ))

        widget.simple = function(new_simple) simple = new_simple timer:emit_signal("timeout") end
        widget.toggle = function(new_simple) simple = new_simple timer:emit_signal("timeout") end
        return widget
    end
}

return widget

create folder "ihasit" in .config/awesome and put widget.lua - helper.lua and init.lua in it

put rest of code in appropriate place in rc.lua

vnstat iwgetid pacmd amixer acpi free df wifi-menu are needed
gtg is the task manager i'm using you should modify to use your own