API: transform widgets namespace table to a directory

1 files changed, 42 insertions, 0 deletions

diff --git a/widgets/thermal.lua b/widgets/thermal.lua
new file mode 100644
index 0000000..9768c57
--- /dev/null
+++ b/widgets/thermal.lua
@@ -0,0 +1,42 @@
+---------------------------------------------------
+-- Licensed under the GNU General Public License v2
+--  * (c) 2010, Adrian C. <anrxc@sysphere.org>
+---------------------------------------------------
+
+-- {{{ Grab environment
+local type = type
+local tonumber = tonumber
+local setmetatable = setmetatable
+local string = { match = string.match }
+local helpers = require("vicious.helpers")
+-- }}}
+
+
+-- Thermal: provides temperature levels of ACPI and coretemp thermal zones
+module("vicious.widgets.thermal")
+
+
+-- {{{ Thermal widget type
+local function worker(format, warg)
+    local zone = { -- Known temperature data sources
+        ["sys"]  = {"/sys/class/thermal/",     file = "temp",       div = 1000},
+        ["core"] = {"/sys/devices/platform/",  file = "temp1_input",div = 1000},
+        ["proc"] = {"/proc/acpi/thermal_zone/",file = "temperature"}
+    } --  Default to /sys/class/thermal
+    local warg    = type(warg) == "table" and warg or {warg, "sys"}
+    local thermal = helpers.pathtotable(zone[warg[2]][1] .. warg[1])
+
+    -- Get temperature from thermal zone
+    if thermal[zone[warg[2]].file] then
+        if zone[warg[2]].div then
+            return {thermal[zone[warg[2]].file] / zone[warg[2]].div}
+        else -- /proc/acpi "temperature: N C"
+            return {tonumber(string.match(thermal[zone[warg[2]].file], "[%d]+"))}
+        end
+    end
+
+    return {0}
+end
+-- }}}
+
+setmetatable(_M, { __call = function(_, ...) return worker(...) end })