From 0b80b45bc9bca17f08e8055d364bac17f96129bd Mon Sep 17 00:00:00 2001
From: Luke Bonham <dada@archlinux.info>
Date: Tue, 20 Oct 2015 15:17:44 +0200
Subject: [PATCH] revert to previous stable

---
 helpers.lua         | 12 +++--------
 widgets/abase.lua   | 19 ++++++-----------
 widgets/alsa.lua    | 17 ++++-----------
 widgets/alsabar.lua | 52 ++++++++++++++++++++-------------------------
 widgets/base.lua    | 19 +++++++----------
 widgets/bat.lua     | 49 ++++++++++++++++--------------------------
 widgets/cpu.lua     | 37 +++++++++++++++-----------------
 widgets/fs.lua      | 15 +++++--------
 widgets/imap.lua    |  6 ++----
 widgets/maildir.lua | 10 ++++-----
 widgets/mem.lua     | 49 ++++++++++++------------------------------
 widgets/mpd.lua     | 17 +++++----------
 widgets/net.lua     | 45 +++++++++++++++++----------------------
 widgets/sysload.lua | 24 ++++++---------------
 widgets/temp.lua    | 16 ++++++--------
 15 files changed, 141 insertions(+), 246 deletions(-)

diff --git a/helpers.lua b/helpers.lua
index 503c40e..4e90e16 100644
--- a/helpers.lua
+++ b/helpers.lua
@@ -76,16 +76,10 @@ end
 
 helpers.timer_table = {}
 
-function helpers.newtimer(_name, timeout, fun, nostart)
-    local name = timeout
-
-    if not helpers.timer_table[name] then
-        helpers.timer_table[name] = capi.timer({ timeout = timeout })
-        helpers.timer_table[name]:start()
-    end
-
+function helpers.newtimer(name, timeout, fun, nostart)
+    helpers.timer_table[name] = capi.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
diff --git a/widgets/abase.lua b/widgets/abase.lua
index 87af872..98f7818 100644
--- a/widgets/abase.lua
+++ b/widgets/abase.lua
@@ -6,9 +6,9 @@
                                                   
 --]]
 
-local helpers = require("lain.helpers")
-local async   = require("lain.asyncshell")
-local wibox   = require("wibox")
+local newtimer     = require("lain.helpers").newtimer
+local async        = require("lain.asyncshell")
+local wibox        = require("wibox")
 
 local setmetatable = setmetatable
 
@@ -19,26 +19,21 @@ local setmetatable = setmetatable
 local function worker(args)
     local abase    = {}
     local args     = args or {}
-    local timeout  = args.timeout or 1
+    local timeout  = args.timeout or 5
     local cmd      = args.cmd or ""
     local settings = args.settings or function() end
 
     abase.widget = wibox.widget.textbox('')
-    helpers.set_map(cmd, '')
 
     function abase.update()
         async.request(cmd, function(f)
             output = f
-
-            if helpers.get_map(cmd) ~= output then
-                widget = abase.widget
-                settings()
-                helpers.set_map(cmd, output)
-            end
+            widget = abase.widget
+            settings()
         end)
     end
 
-    helpers.newtimer(cmd, timeout, abase.update)
+    newtimer(cmd, timeout, abase.update)
 
     return setmetatable(abase, { __index = abase.widget })
 end
diff --git a/widgets/alsa.lua b/widgets/alsa.lua
index 0bb2059..85d5311 100644
--- a/widgets/alsa.lua
+++ b/widgets/alsa.lua
@@ -19,14 +19,11 @@ local setmetatable    = setmetatable
 
 -- ALSA volume
 -- lain.widgets.alsa
-local alsa = {
-    level  = "0",
-    status = "off",
-}
+local alsa = {}
 
 local function worker(args)
     local args     = args or {}
-    local timeout  = args.timeout or 1
+    local timeout  = args.timeout or 5
     local settings = args.settings or function() end
 
     alsa.cmd     = args.cmd or "amixer"
@@ -57,14 +54,8 @@ local function worker(args)
             end
         end
 
-        if alsa.level ~= volume_now.level or alsa.status ~= volume_now.status
-        then
-            widget = alsa.widget
-            settings()
-
-            alsa.level = volume_now.level
-            alsa.status = volume_now.status
-        end
+        widget = alsa.widget
+        settings()
     end
 
     timer_id = string.format("alsa-%s-%s", alsa.cmd, alsa.channel)
diff --git a/widgets/alsabar.lua b/widgets/alsabar.lua
index fc45c72..c7498d2 100644
--- a/widgets/alsabar.lua
+++ b/widgets/alsabar.lua
@@ -47,8 +47,7 @@ local alsabar = {
     },
 
     _current_level = 0,
-    _muted         = false,
-    _status        = "off"
+    _muted         = false
 }
 
 function alsabar.notify()
@@ -57,7 +56,7 @@ function alsabar.notify()
     local preset = {
         title   = "",
         text    = "",
-        timeout = 1,
+        timeout = 5,
         screen  = alsabar.notifications.screen,
         font    = alsabar.notifications.font .. " " ..
                   alsabar.notifications.font_size,
@@ -95,7 +94,7 @@ end
 
 local function worker(args)
     local args       = args or {}
-    local timeout    = args.timeout or 1
+    local timeout    = args.timeout or 5
     local settings   = args.settings or function() end
     local width      = args.width or 63
     local height     = args.heigth or 1
@@ -128,33 +127,28 @@ local function worker(args)
         -- Capture mixer control state:          [5%] ... ... [on]
         local volu, mute = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
 
-        volu = tonumber(volu) or 0
-        if mute == "" then mute = "off"
-
-        if alsabar._current_level ~= volu or alsabar._status ~= mute then
-
-            alsabar._current_level = volu
-            alsabar._status = mute
-
-            alsabar.bar:set_value(alsabar._current_level / 100)
-
-            if not mute and volu == 0 or mute == "off"
-            then
-                alsabar._muted = true
-                alsabar.tooltip:set_text (" [Muted] ")
-                alsabar.bar:set_color(alsabar.colors.mute)
-            else
-                alsabar._muted = false
-                alsabar.tooltip:set_text(string.format(" %s:%s ", alsabar.channel, volu))
-                alsabar.bar:set_color(alsabar.colors.unmute)
-            end
-
-            volume_now = {}
-            volume_now.level = volu
-            volume_now.status = mute
+        if volu == nil then
+            volu = 0
+            mute = "off"
+        end
 
-            settings()
+        alsabar._current_level = tonumber(volu)
+        alsabar.bar:set_value(alsabar._current_level / 100)
+        if not mute and tonumber(volu) == 0 or mute == "off"
+        then
+            alsabar._muted = true
+            alsabar.tooltip:set_text (" [Muted] ")
+            alsabar.bar:set_color(alsabar.colors.mute)
+        else
+            alsabar._muted = false
+            alsabar.tooltip:set_text(string.format(" %s:%s ", alsabar.channel, volu))
+            alsabar.bar:set_color(alsabar.colors.unmute)
         end
+
+        volume_now = {}
+        volume_now.level = tonumber(volu)
+        volume_now.status = mute
+        settings()
     end
 
     alsabar.bar:buttons (awful.util.table.join (
diff --git a/widgets/base.lua b/widgets/base.lua
index 88478b0..2f377f7 100644
--- a/widgets/base.lua
+++ b/widgets/base.lua
@@ -6,7 +6,9 @@
                                                   
 --]]
 
-local helpers      = require("lain.helpers")
+local newtimer     = require("lain.helpers").newtimer
+local read_pipe    = require("lain.helpers").read_pipe
+
 local wibox        = require("wibox")
 
 local setmetatable = setmetatable
@@ -17,24 +19,19 @@ local setmetatable = setmetatable
 local function worker(args)
     local base     = {}
     local args     = args or {}
-    local timeout  = args.timeout or 1
+    local timeout  = args.timeout or 5
     local cmd      = args.cmd or ""
     local settings = args.settings or function() end
 
     base.widget = wibox.widget.textbox('')
-    helpers.set_map(cmd, '')
 
     function base.update()
-        output = helpers.read_pipe(cmd)
-
-        if helpers.get_map(cmd) ~= output then
-            widget = base.widget
-            settings()
-            helpers.set_map(cmd, output)
-        end
+        output = read_pipe(cmd)
+        widget = base.widget
+        settings()
     end
 
-    helpers.newtimer(cmd, timeout, base.update)
+    newtimer(cmd, timeout, base.update)
 
     return setmetatable(base, { __index = base.widget })
 end
diff --git a/widgets/bat.lua b/widgets/bat.lua
index d18af87..626239b 100644
--- a/widgets/bat.lua
+++ b/widgets/bat.lua
@@ -7,7 +7,9 @@
                                                   
 --]]
 
-local helpers      = require("lain.helpers")
+local newtimer     = require("lain.helpers").newtimer
+local first_line   = require("lain.helpers").first_line
+
 local naughty      = require("naughty")
 local wibox        = require("wibox")
 
@@ -19,9 +21,9 @@ local setmetatable = setmetatable
 
 -- Battery infos
 -- lain.widgets.bat
+local bat = {}
 
 local function worker(args)
-    local bat = {}
     local args = args or {}
     local timeout = args.timeout or 30
     local battery = args.battery or "BAT0"
@@ -46,11 +48,6 @@ local function worker(args)
         bg = "#FFFFFF"
     }
 
-    helpers.set_map(battery .. "status", "N/A")
-    helpers.set_map(battery .. "perc", "N/A")
-    helpers.set_map(battery .. "time", "N/A")
-    helpers.set_map(battery .. "watt", "N/A")
-
     function update()
         bat_now = {
             status = "Not present",
@@ -61,22 +58,22 @@ local function worker(args)
 
         local bstr  = "/sys/class/power_supply/" .. battery
 
-        local present = helpers.first_line(bstr .. "/present")
+        local present = first_line(bstr .. "/present")
 
         if present == "1"
         then
-            local rate  = helpers.first_line(bstr .. "/power_now") or
-                          helpers.first_line(bstr .. "/current_now")
+            local rate  = first_line(bstr .. "/power_now") or
+                          first_line(bstr .. "/current_now")
 
-            local ratev = helpers.first_line(bstr .. "/voltage_now")
+            local ratev = first_line(bstr .. "/voltage_now")
 
-            local rem   = helpers.first_line(bstr .. "/energy_now") or
-                          helpers.first_line(bstr .. "/charge_now")
+            local rem   = first_line(bstr .. "/energy_now") or
+                          first_line(bstr .. "/charge_now")
 
-            local tot   = helpers.first_line(bstr .. "/energy_full") or
-                          helpers.first_line(bstr .. "/charge_full")
+            local tot   = first_line(bstr .. "/energy_full") or
+                          first_line(bstr .. "/charge_full")
 
-            bat_now.status = helpers.first_line(bstr .. "/status") or "N/A"
+            bat_now.status = first_line(bstr .. "/status") or "N/A"
 
             rate  = tonumber(rate) or 1
             ratev = tonumber(ratev)
@@ -100,7 +97,7 @@ local function worker(args)
 
             bat_now.time = string.format("%02d:%02d", hrs, min)
 
-            bat_now.perc = helpers.first_line(bstr .. "/capacity")
+            bat_now.perc = first_line(bstr .. "/capacity")
 
             if not bat_now.perc then
                 local perc = (rem / tot) * 100
@@ -118,22 +115,12 @@ local function worker(args)
             else
                 bat_now.watt = "N/A"
             end
-        end
 
-        if bat_now.status ~= helpers.get_map(battery .. "status")
-           or bat_now.perc ~= helpers.get_map(battery .. "perc")
-           or bat_now.time ~= helpers.get_map(battery .. "time")
-           or bat_now.watt ~= helpers.get_map(battery .. "watt")
-        then
-            widget = bat.widget
-            settings()
-
-            helpers.set_map(battery .. "status", bat_now.status)
-            helpers.set_map(battery .. "perc", bat_now.perc)
-            helpers.set_map(battery .. "time", bat_now.time)
-            helpers.set_map(battery .. "watt", bat_now.watt)
         end
 
+        widget = bat.widget
+        settings()
+
         -- notifications for low and critical states
         if bat_now.status == "Discharging" and notify == "on" and bat_now.perc ~= nil
         then
@@ -154,7 +141,7 @@ local function worker(args)
         end
     end
 
-    helpers.newtimer(battery, timeout, update)
+    newtimer(battery, timeout, update)
 
     return bat.widget
 end
diff --git a/widgets/cpu.lua b/widgets/cpu.lua
index 1554443..ec84101 100644
--- a/widgets/cpu.lua
+++ b/widgets/cpu.lua
@@ -7,13 +7,16 @@
                                                   
 --]]
 
-local helpers      = require("lain.helpers")
+local first_line   = require("lain.helpers").first_line
+local newtimer     = require("lain.helpers").newtimer
+
 local wibox        = require("wibox")
 
 local math         = { ceil   = math.ceil }
 local string       = { format = string.format,
                        gmatch = string.gmatch }
 local tostring     = tostring
+
 local setmetatable = setmetatable
 
 -- CPU usage
@@ -25,18 +28,16 @@ local cpu = {
 
 local function worker(args)
     local args     = args or {}
-    local timeout  = args.timeout or 1
+    local timeout  = args.timeout or 2
     local settings = args.settings or function() end
 
     cpu.widget = wibox.widget.textbox('')
-    helpers.set_map("cpuactive", 0)
-    helpers.set_map("cputotal", 0)
 
     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.
-        local times = helpers.first_line("/proc/stat")
+        local times = first_line("/proc/stat")
         local at = 1
         local idle = 0
         local total = 0
@@ -53,26 +54,22 @@ local function worker(args)
         end
         local active = total - idle
 
-        if helpers.get_map("cpuactive") ~= active
-           or helpers.get_map("cputotal") ~= total
-        then
-            -- Read current data and calculate relative values.
-            local dactive = active - cpu.last_active
-            local dtotal = total - cpu.last_total
+        -- Read current data and calculate relative values.
+        local dactive = active - cpu.last_active
+        local dtotal = total - cpu.last_total
 
-            cpu_now = {}
-            cpu_now.usage = tostring(math.ceil((dactive / dtotal) * 100))
+        cpu_now = {}
+        cpu_now.usage = tostring(math.ceil((dactive / dtotal) * 100))
 
-            widget = cpu.widget
-            settings()
+        widget = cpu.widget
+        settings()
 
-            -- Save current data for the next run.
-            helpers.set_map("cpuactive", active)
-            helpers.set_map("cputotal", total)
-        end
+        -- Save current data for the next run.
+        cpu.last_active = active
+        cpu.last_total = total
     end
 
-    helpers.newtimer("cpu", timeout, update)
+    newtimer("cpu", timeout, update)
 
     return cpu.widget
 end
diff --git a/widgets/fs.lua b/widgets/fs.lua
index 8b2886b..a1d5d95 100644
--- a/widgets/fs.lua
+++ b/widgets/fs.lua
@@ -26,8 +26,7 @@ local setmetatable = setmetatable
 -- File system disk space usage
 -- lain.widgets.fs
 local fs = {}
-
-local fs_notification = nil
+local fs_notification  = nil
 
 function fs:hide()
     if fs_notification ~= nil then
@@ -42,11 +41,11 @@ function fs:show(t_out)
     local ws = helpers.read_pipe(helpers.scripts_dir .. "dfs"):gsub("\n*$", "")
 
     if fs.followmouse then
-        fs_notification_preset.screen = mouse.screen
+        fs.notification_preset.screen = mouse.screen
     end
 
     fs_notification = naughty.notify({
-        preset  = fs_notification_preset,
+        preset  = fs.notification_preset,
         text    = ws,
         timeout = t_out
     })
@@ -67,7 +66,6 @@ local function worker(args)
     fs.widget = wibox.widget.textbox('')
 
     helpers.set_map(partition, false)
-    helpers.set_map("fsused", 0)
 
     function update()
         fs_info = {}
@@ -94,11 +92,8 @@ local function worker(args)
         fs_now.size_mb   = tonumber(fs_info[partition .. " size_mb"]) or 0
         fs_now.size_gb   = tonumber(fs_info[partition .. " size_gb"]) or 0
 
-        if helpers.get_map("fsused") ~= fs_now.used then
-            widget = fs.widget
-            settings()
-            helpers.set_map("fsused", fs_now.used)
-        end
+        widget = fs.widget
+        settings()
 
         if fs_now.used >= 99 and not helpers.get_map(partition)
         then
diff --git a/widgets/imap.lua b/widgets/imap.lua
index 350e1ad..ea763df 100644
--- a/widgets/imap.lua
+++ b/widgets/imap.lua
@@ -65,10 +65,8 @@ local function worker(args)
             _, mailcount = string.gsub(f, "%d+", "")
             _ = nil
 
-            if mailcount ~= helpers.get_map(mail) then
-                widget = imap.widget
-                settings()
-            end
+            widget = imap.widget
+            settings()
 
             if mailcount >= 1 and mailcount > helpers.get_map(mail)
             then
diff --git a/widgets/maildir.lua b/widgets/maildir.lua
index 8cb821d..eed6138 100644
--- a/widgets/maildir.lua
+++ b/widgets/maildir.lua
@@ -25,7 +25,7 @@ local setmetatable    = setmetatable
 
 -- Maildir check
 -- lain.widgets.maildir
-local maildir = { total = 0 }
+local maildir = {}
 
 local function worker(args)
     local args         = args or {}
@@ -65,7 +65,7 @@ local function worker(args)
             end
         until line == nil
 
-        p:close()
+	p:close()
         table.sort(boxes)
 
         newmail = "no mail"
@@ -88,10 +88,8 @@ local function worker(args)
             end
         end
 
-        if maildir.total ~= total then
-            widget = maildir.widget
-            settings()
-        end
+        widget = maildir.widget
+        settings()
     end
 
     newtimer(mailpath, timeout, update, true)
diff --git a/widgets/mem.lua b/widgets/mem.lua
index dc72279..f6213b2 100644
--- a/widgets/mem.lua
+++ b/widgets/mem.lua
@@ -7,33 +7,27 @@
                                                   
 --]]
 
-local helpers      = require("lain.helpers")
-local wibox        = require("wibox")
+local newtimer        = require("lain.helpers").newtimer
 
-local io           = { lines  = io.lines }
-local math         = { floor  = math.floor }
-local string       = { gmatch = string.gmatch }
+local wibox           = require("wibox")
 
-local setmetatable = setmetatable
+local io              = { lines  = io.lines }
+local math            = { floor  = math.floor }
+local string          = { gmatch = string.gmatch }
 
--- Memory usage
+local setmetatable    = setmetatable
+
+-- Memory usage (ignoring caches)
 -- lain.widgets.mem
 local mem = {}
 
 local function worker(args)
     local args     = args or {}
-    local timeout  = args.timeout or 1
+    local timeout  = args.timeout or 2
     local settings = args.settings or function() end
 
     mem.widget = wibox.widget.textbox('')
 
-    helpers.set_map("mem_last_total", 0)
-    helpers.set_map("mem_last_free", 0)
-    helpers.set_map("mem_last_buf", 0)
-    helpers.set_map("mem_last_cache", 0)
-    helpers.set_map("mem_last_swap", 0)
-    helpers.set_map("mem_last_swapf", 0)
-
     function update()
         mem_now = {}
         for line in io.lines("/proc/meminfo")
@@ -50,29 +44,14 @@ local function worker(args)
             end
         end
 
-        if mem_now.total ~= helpers.set_map("mem_last_total")
-        or mem_now.free  ~= helpers.set_map("mem_last_free")
-        or mem_now.buf   ~= helpers.set_map("mem_last_buf")
-        or mem_now.cache ~= helpers.set_map("mem_last_cache")
-        or mem_now.swap  ~= helpers.set_map("mem_last_swap")
-        or mem_now.swapf ~= helpers.set_map("mem_last_swapf")
-        then
-            mem_now.used = mem_now.total - (mem_now.free + mem_now.buf + mem_now.cache)
-            mem_now.swapused = mem_now.swap - mem_now.swapf
+        mem_now.used = mem_now.total - (mem_now.free + mem_now.buf + mem_now.cache)
+        mem_now.swapused = mem_now.swap - mem_now.swapf
 
-            widget = mem.widget
-            settings()
-
-            helpers.set_map("mem_last_total", mem_now.total)
-            helpers.set_map("mem_last_free", mem_now.free)
-            helpers.set_map("mem_last_buf", mem_now.buf)
-            helpers.set_map("mem_last_cache", mem_now.cache)
-            helpers.set_map("mem_last_swap", mem_now.swap)
-            helpers.set_map("mem_last_swapf", mem_now.swapf)
-        end
+        widget = mem.widget
+        settings()
     end
 
-    helpers.newtimer("mem", timeout, update)
+    newtimer("mem", timeout, update)
 
     return mem.widget
 end
diff --git a/widgets/mpd.lua b/widgets/mpd.lua
index 1d2c617..5af898b 100644
--- a/widgets/mpd.lua
+++ b/widgets/mpd.lua
@@ -30,7 +30,7 @@ local mpd = {}
 
 local function worker(args)
     local args        = args or {}
-    local timeout     = args.timeout or 1
+    local timeout     = args.timeout or 2
     local password    = args.password or ""
     local host        = args.host or "127.0.0.1"
     local port        = args.port or "6600"
@@ -49,11 +49,10 @@ local function worker(args)
 
     mpd_notification_preset = {
         title   = "Now playing",
-        timeout = 5
+        timeout = 6
     }
 
-    helpers.set_map("current mpd track", "")
-    helpers.set_map("current mpd file", "")
+    helpers.set_map("current mpd track", nil)
 
     function mpd.update()
         async.request(echo .. " | curl --connect-timeout 1 -fsm 3 " .. mpdh, function (f)
@@ -72,7 +71,6 @@ local function worker(args)
                 for k, v in string.gmatch(line, "([%w]+):[%s](.*)$") do
                     if     k == "state"   then mpd_now.state   = v
                     elseif k == "file"    then mpd_now.file    = v
-                    elseif k == "Name"    then mpd_now.name    = escape_f(v)
                     elseif k == "Artist"  then mpd_now.artist  = escape_f(v)
                     elseif k == "Title"   then mpd_now.title   = escape_f(v)
                     elseif k == "Album"   then mpd_now.album   = escape_f(v)
@@ -85,13 +83,8 @@ local function worker(args)
 
             mpd_notification_preset.text = string.format("%s (%s) - %s\n%s", mpd_now.artist,
                                            mpd_now.album, mpd_now.date, mpd_now.title)
-
-            if mpd_now.file ~= helpers.get_map("current mpd file")
-            then
-                widget = mpd.widget
-                settings()
-                helpers.set_map("current mpd file", mpd_now.file)
-            end
+            widget = mpd.widget
+            settings()
 
             if mpd_now.state == "play"
             then
diff --git a/widgets/net.lua b/widgets/net.lua
index 983da41..a578ae4 100644
--- a/widgets/net.lua
+++ b/widgets/net.lua
@@ -21,7 +21,10 @@ local setmetatable = setmetatable
 
 -- Network infos
 -- lain.widgets.net
-local net = {}
+local net = {
+    last_t = 0,
+    last_r = 0
+}
 
 function net.get_device()
     local ws = helpers.read_pipe("ip link show | cut -d' ' -f2,9")
@@ -35,7 +38,7 @@ end
 
 local function worker(args)
     local args = args or {}
-    local timeout = args.timeout or 1
+    local timeout = args.timeout or 2
     local units = args.units or 1024 --kb
     local notify = args.notify or "on"
     local screen = args.screen or 1
@@ -46,44 +49,35 @@ local function worker(args)
     net.widget = wibox.widget.textbox('')
 
     helpers.set_map(iface, true)
-    helpers.set_map("net_t", 0)
-    helpers.set_map("net_r", 0)
 
     function update()
-        net_now = {
-            sent     = "0.0",
-            received = "0.0"
-        }
+        net_now = {}
 
         if iface == "" or string.match(iface, "network off")
         then
             iface = net.get_device()
         end
 
+        net_now.carrier = helpers.first_line('/sys/class/net/' .. iface ..
+                                           '/carrier') or "0"
+        net_now.state = helpers.first_line('/sys/class/net/' .. iface ..
+                                           '/operstate') or "down"
         local now_t = helpers.first_line('/sys/class/net/' .. iface ..
                                            '/statistics/tx_bytes') or 0
         local now_r = helpers.first_line('/sys/class/net/' .. iface ..
                                            '/statistics/rx_bytes') or 0
 
-        if now_t ~= helpers.get_map("net_t")
-           or now_r ~= helpers.get_map("net_r") then
-            net_now.carrier = helpers.first_line('/sys/class/net/' .. iface ..
-                                           '/carrier') or "0"
-            net_now.state = helpers.first_line('/sys/class/net/' .. iface ..
-                                           '/operstate') or "down"
+        net_now.sent = (now_t - net.last_t) / timeout / units
+        net_now.sent = string.gsub(string.format('%.1f', net_now.sent), ",", ".")
 
-            net_now.sent = (now_t - net.last_t) / timeout / units
-            net_now.sent = string.gsub(string.format('%.1f', net_now.sent), ",", ".")
+        net_now.received = (now_r - net.last_r) / timeout / units
+        net_now.received = string.gsub(string.format('%.1f', net_now.received), ",", ".")
 
-            net_now.received = (now_r - net.last_r) / timeout / units
-            net_now.received = string.gsub(string.format('%.1f', net_now.received), ",", ".")
+        widget = net.widget
+        settings()
 
-            widget = net.widget
-            settings()
-
-            helpers.set_map("net_t", now_t)
-            helpers.set_map("net_r", now_r)
-        end
+        net.last_t = now_t
+        net.last_r = now_r
 
         if net_now.carrier ~= "1" and notify == "on"
         then
@@ -105,8 +99,7 @@ local function worker(args)
         end
     end
 
-    helpers.newtimer(iface, timeout, update, false)
-
+    helpers.newtimer(iface, timeout, update)
     return net.widget
 end
 
diff --git a/widgets/sysload.lua b/widgets/sysload.lua
index 9472235..d8e4713 100644
--- a/widgets/sysload.lua
+++ b/widgets/sysload.lua
@@ -7,7 +7,8 @@
                                                   
 --]]
 
-local helpers      = require("lain.helpers")
+local newtimer     = require("lain.helpers").newtimer
+
 local wibox        = require("wibox")
 
 local io           = { open = io.open }
@@ -21,13 +22,10 @@ local sysload = {}
 
 local function worker(args)
     local args = args or {}
-    local timeout = args.timeout or 1
+    local timeout = args.timeout or 2
     local settings = args.settings or function() end
 
     sysload.widget = wibox.widget.textbox('')
-    helpers.set_map("load_1", 0)
-    helpers.set_map("load_5", 0)
-    helpers.set_map("load_15", 0)
 
     function update()
         local f = io.open("/proc/loadavg")
@@ -36,21 +34,11 @@ local function worker(args)
 
         load_1, load_5, load_15 = string.match(ret, "([^%s]+) ([^%s]+) ([^%s]+)")
 
-        if load_1 ~= helpers.get_map("load_1")
-           or load_5 ~= helpers.get_map("load_5")
-           or load_15 ~= helpers.get_map("load_15")
-        then
-            widget = sysload.widget
-            settings()
-
-            helpers.set_map("load_1", load_1)
-            helpers.set_map("load_5", load_5)
-            helpers.set_map("load_15", load_15)
-        end
+        widget = sysload.widget
+        settings()
     end
 
-    helpers.newtimer("sysload", timeout, update)
-
+    newtimer("sysload", timeout, update)
     return sysload.widget
 end
 
diff --git a/widgets/temp.lua b/widgets/temp.lua
index 6831588..67c9456 100644
--- a/widgets/temp.lua
+++ b/widgets/temp.lua
@@ -6,7 +6,8 @@
                                                   
 --]]
 
-local helpers      = require("lain.helpers")
+local newtimer     = require("lain.helpers").newtimer
+
 local wibox        = require("wibox")
 
 local io           = { open = io.open }
@@ -20,12 +21,11 @@ local temp = {}
 
 local function worker(args)
     local args     = args or {}
-    local timeout  = args.timeout or 1
+    local timeout  = args.timeout or 2
     local tempfile = args.tempfile or "/sys/class/thermal/thermal_zone0/temp"
     local settings = args.settings or function() end
 
     temp.widget = wibox.widget.textbox('')
-    helpers.set_map("temp_last", 0)
 
     function update()
         local f = io.open(tempfile)
@@ -37,15 +37,11 @@ local function worker(args)
             coretemp_now = "N/A"
         end
 
-        if helpers.get_map("temp_last") ~= coretemp_now then
-            widget = temp.widget
-            settings()
-            helpers.set_map("temp_last", coretemp_now)
-        end
+        widget = temp.widget
+        settings()
     end
 
-    helpers.newtimer("coretemp", timeout, update)
-
+    newtimer("coretemp", timeout, update)
     return temp.widget
 end
 
-- 
2.39.5