]> git.madduck.net Git - etc/awesome.git/blobdiff - widgets/bat.lua

madduck's git repository

Every one of the projects in this repository is available at the canonical URL git://git.madduck.net/madduck/pub/<projectpath> — see each project's metadata for the exact URL.

All patches and comments are welcome. Please squash your changes to logical commits before using git-format-patch and git-send-email to patches@git.madduck.net. If you'd read over the Git project's submission guidelines and adhered to them, I'd be especially grateful.

SSH access, as well as push access can be individually arranged.

If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

#49 fix
[etc/awesome.git] / widgets / bat.lua
index 5a811f0c7b300b0ca881289793e51ebbde458071..1d8f8c361a414960f1d0e2a5e73f7062c25f85a3 100644 (file)
@@ -15,50 +15,70 @@ 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 = { id = nil }
+local bat = {}
 
 local function worker(args)
     local args = args or {}
     local timeout = args.timeout or 30
     local battery = args.battery or "BAT0"
+    local notify = args.notify or "on"
     local settings = args.settings or function() end
 
-    bat_now = {
-        status = "not present",
-        perc   = "N/A",
-        time   = "N/A",
-        watt   = "N/A"
+    bat.widget = wibox.widget.textbox('')
+
+    bat_notification_low_preset = {
+        title = "Battery low",
+        text = "Plug the cable!",
+        timeout = 15,
+        fg = "#202020",
+        bg = "#CDCDCD"
     }
 
-    widget = wibox.widget.textbox('')
+    bat_notification_critical_preset = {
+        title = "Battery exhausted",
+        text = "Shutdown imminent",
+        timeout = 15,
+        fg = "#000000",
+        bg = "#FFFFFF"
+    }
 
     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"
+
+            rate  = tonumber(rate) or 1
+            ratev = tonumber(ratev)
+            rem   = tonumber(rem)
+            tot   = tonumber(tot)
 
             local time_rat = 0
             if bat_now.status == "Charging"
@@ -70,48 +90,60 @@ local function worker(args)
             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_now.perc <= 5
+            bat_now.perc = first_line(bstr .. "/capacity")
+
+            if not bat_now.perc then
+                local perc = (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
+            end
+
+            if rate ~= nil and ratev ~= nil then
+                bat_now.watt = string.format("%.2fW", (rate * ratev) / 1e12)
+            else
+                bat_now.watt = "N/A"
+            end
+
+        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
+            local nperc = tonumber(bat_now.perc) or 100
+            if nperc <= 5
             then
                 bat.id = naughty.notify({
-                    text = "shutdown imminent",
-                    title = "battery nearly exhausted",
-                    position = "top_right",
-                    timeout = 15,
-                    fg="#000000",
-                    bg="#ffffff",
-                    ontop = true,
+                    preset = bat_notification_critical_preset,
                     replaces_id = bat.id
                 }).id
-            elseif bat.perc <= 15
+            elseif nperc <= 15
             then
                 bat.id = naughty.notify({
-                    text = "plug the cable",
-                    title = "battery low",
-                    position = "top_right",
-                    timeout = 15,
-                    fg="#202020",
-                    bg="#cdcdcd",
-                    ontop = true,
+                    preset = bat_notification_low_preset,
                     replaces_id = bat.id
                 }).id
             end
-
-            bat_now.perc = string.format("%d", bat_now.perc)
         end
-
-        settings()
     end
 
     newtimer("bat", timeout, update)
 
-    return widget
+    return bat.widget
 end
 
 return setmetatable(bat, { __call = function(_, ...) return worker(...) end })