bat: compatibility fix

[etc/awesome.git] / widgets / bat.lua

diff --git a/widgets/bat.lua b/widgets/bat.lua
index 5a811f0c7b300b0ca881289793e51ebbde458071..0bb5eff18534b5fd03646d76b6b3d968e1fcdbd2 100644 (file)
--- a/widgets/bat.lua
+++ b/widgets/bat.lua
@@ -20,7 +20,7 @@ local setmetatable = setmetatable
 
 -- Battery infos
 -- lain.widgets.bat
-local bat = { id = nil }
+local bat = {}
 
 local function worker(args)
     local args = args or {}
@@ -28,37 +28,34 @@ local function worker(args)
     local battery = args.battery or "BAT0"
     local settings = args.settings or function() end
 
-    bat_now = {
-        status = "not present",
-        perc   = "N/A",
-        time   = "N/A",
-        watt   = "N/A"
-    }
-
-    widget = wibox.widget.textbox('')
+    bat.widget = wibox.widget.textbox('')
 
     function update()
-        local present = first_line("/sys/class/power_supply/"
-                                   .. battery
-                                   .. "/present")
+        bat_now = {
+            status = "Not present",
+            perc   = "N/A",
+            time   = "N/A",
+            watt   = "N/A"
+        }
+
+        local bstr  = "/sys/class/power_supply/" .. battery
+
+        local present = first_line(bstr .. "/present")
 
         if present == "1"
         then
-            local rate = first_line("/sys/class/power_supply/"
-                                    .. battery ..
-                                    "/power_now")
-            local ratev = first_line("/sys/class/power_supply/"
-                                    .. battery ..
-                                     "/voltage_now")
-            local rem = first_line("/sys/class/power_supply/"
-                                    .. battery ..
-                                   "/energy_now")
-            local tot = first_line("/sys/class/power_supply/"
-                                    .. battery ..
-                                   "/energy_full")
-            bat_now.status = first_line("/sys/class/power_supply/"
-                                    .. battery ..
-                                   "/status")
+            local rate  = first_line(bstr .. "/power_now") or
+                          first_line(bstr .. "/current_now")
+
+            local ratev = first_line(bstr .. "/voltage_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")
+
+            bat_now.status = first_line(bstr .. "/status") or "N/A"
 
             local time_rat = 0
             if bat_now.status == "Charging"
@@ -89,7 +86,7 @@ local function worker(args)
                     ontop = true,
                     replaces_id = bat.id
                 }).id
-            elseif bat.perc <= 15
+            elseif bat_now.perc <= 15
             then
                 bat.id = naughty.notify({
                     text = "plug the cable",
@@ -106,12 +103,13 @@ local function worker(args)
             bat_now.perc = string.format("%d", bat_now.perc)
         end
 
+        widget = bat.widget
         settings()
     end
 
     newtimer("bat", timeout, update)
 
-    return widget
+    return bat.widget
 end
 
 return setmetatable(bat, { __call = function(_, ...) return worker(...) end })