X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/82dd3effca595595b8b6183992d70a31afb20f03..14cab4ebc3fd8b0e121c41653a55e516a977591a:/widgets/bat.lua?ds=inline

diff --git a/widgets/bat.lua b/widgets/bat.lua
index 789c694..a6a8b4f 100644
--- a/widgets/bat.lua
+++ b/widgets/bat.lua
@@ -15,104 +15,127 @@ local wibox        = require("wibox")
 
 local math         = { floor  = math.floor }
 local string       = { format = string.format }
+local tonumber     = tonumber
 
 local setmetatable = setmetatable
 
 -- Battery infos
 -- lain.widgets.bat
-local bat = {}
 
 local function worker(args)
-    local args = args or {}
-    local timeout = args.timeout or 30
-    local battery = args.battery or "BAT0"
+    local bat      = {}
+    local args     = args or {}
+    local timeout  = args.timeout or 30
+    local battery  = args.battery or "BAT0"
+    local ac       = args.ac or "AC0"
+    local notify   = args.notify or "on"
     local settings = args.settings or function() end
 
     bat.widget = wibox.widget.textbox('')
 
+    bat_notification_low_preset = {
+        title = "Battery low",
+        text = "Plug the cable!",
+        timeout = 15,
+        fg = "#202020",
+        bg = "#CDCDCD"
+    }
+
+    bat_notification_critical_preset = {
+        title = "Battery exhausted",
+        text = "Shutdown imminent",
+        timeout = 15,
+        fg = "#000000",
+        bg = "#FFFFFF"
+    }
+
     function update()
         bat_now = {
-            status = "Not present",
-            perc   = "N/A",
-            time   = "N/A",
-            watt   = "N/A"
+            status    = "Not present",
+            ac_status = "N/A",
+            perc      = "N/A",
+            time      = "N/A",
+            watt      = "N/A"
         }
 
-        local bstr  = "/sys/class/power_supply/" .. battery
-
+        local bstr    = "/sys/class/power_supply/" .. battery
         local present = first_line(bstr .. "/present")
 
         if present == "1"
         then
-            local rate  = first_line(bstr .. "/power_now") or
-                          first_line(bstr .. "/current_now")
+            local ratep    = tonumber(first_line(bstr .. "/power_now"))
+            local ratec    = tonumber(first_line(bstr .. "/current_now"))
+            local ratev    = tonumber(first_line(bstr .. "/voltage_now"))
 
-            local ratev = first_line(bstr .. "/voltage_now")
+            local rem      = tonumber(first_line(bstr .. "/energy_now") or
+                                      first_line(bstr .. "/charge_now"))
 
-            local rem   = first_line(bstr .. "/energy_now") or
-                          first_line(bstr .. "/charge_now")
-
-            local tot   = first_line(bstr .. "/energy_full") or
-                          first_line(bstr .. "/charge_full")
+            local tot      = tonumber(first_line(bstr .. "/energy_full") or
+                                      first_line(bstr .. "/charge_full"))
 
             bat_now.status = first_line(bstr .. "/status") or "N/A"
+            bat_now.ac_status = first_line(string.format("/sys/class/power_supply/%s/online", ac)) or "N/A"
 
             local time_rat = 0
             if bat_now.status == "Charging"
             then
-                time_rat = (tot - rem) / rate
+                time_rat = (tot - rem) / (ratep or ratec)
             elseif bat_now.status == "Discharging"
             then
-                time_rat = rem / rate
+                time_rat = rem / (ratep or ratec)
             end
 
             local hrs = math.floor(time_rat)
-            local min = (time_rat - hrs) * 60
+            if hrs < 0 then hrs = 0 elseif hrs > 23 then hrs = 23 end
+
+            local min = math.floor((time_rat - hrs) * 60)
+            if min < 0 then min = 0 elseif min > 59 then min = 59 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 bat_new.status == "Discharging"
-            then
-                if bat_now.perc <= 5
-                then
-                    bat.id = naughty.notify({
-                        text = "shutdown imminent",
-                        title = "battery nearly exhausted",
-                        position = "top_right",
-                        timeout = 15,
-                        fg="#000000",
-                        bg="#ffffff",
-                        ontop = true,
-                        replaces_id = bat.id
-                    }).id
-                elseif bat_now.perc <= 15
-                then
-                    bat.id = naughty.notify({
-                        text = "plug the cable",
-                        title = "battery low",
-                        position = "top_right",
-                        timeout = 15,
-                        fg="#202020",
-                        bg="#cdcdcd",
-                        ontop = true,
-                        replaces_id = bat.id
-                    }).id
-                end
+            local perc = tonumber(first_line(bstr .. "/capacity")) or math.floor((rem / tot) * 100)
+
+            if perc <= 100 then
+                bat_now.perc = string.format("%d", perc)
+            elseif perc > 100 then
+                bat_now.perc = "100"
+            elseif perc < 0 then
+                bat_now.perc = "0"
             end
 
-            bat_now.perc = string.format("%d", bat_now.perc)
+            if ratep then
+                bat_now.watt = string.format("%.2fW", ratep)
+            else
+                bat_now.watt = string.format("%.2fW", (ratev * ratec) / 1e12)
+            end
         end
 
         widget = bat.widget
         settings()
+
+        -- notifications for low and critical states
+        if bat_now.status == "Discharging" and notify == "on" and bat_now.perc
+        then
+            local nperc = tonumber(bat_now.perc) or 100
+            if nperc <= 5
+            then
+                bat.id = naughty.notify({
+                    preset = bat_notification_critical_preset,
+                    replaces_id = bat.id,
+                }).id
+            elseif nperc <= 15
+            then
+                bat.id = naughty.notify({
+                    preset = bat_notification_low_preset,
+                    replaces_id = bat.id,
+                }).id
+            end
+        end
     end
 
-    newtimer("bat", timeout, update)
+    newtimer(battery, timeout, update)
 
-    return bat.widget
+    return setmetatable(bat, { __index = bat.widget })
 end
 
-return setmetatable(bat, { __call = function(_, ...) return worker(...) end })
+return setmetatable({}, { __call = function(_, ...) return worker(...) end })