add a battery widget

1 files changed, 53 insertions, 0 deletions

diff --git a/config/awesome/battery.lua b/config/awesome/battery.lua
new file mode 100644
index 0000000..988f9fa
--- /dev/null
+++ b/config/awesome/battery.lua
@@ -0,0 +1,53 @@
+function batteryInfoUpdate(adapter, warn, widget)
+    spacer = " "
+    local fcap = io.open("/sys/class/power_supply/"..adapter.."/capacity")
+    local fsta = io.open("/sys/class/power_supply/"..adapter.."/status")
+    local cap = fcap:read()
+    local sta = fsta:read()
+    fcap:close()
+    fsta:close()
+
+    if sta:match("Charging") then
+        state = 1
+        icon = "▴"
+    else
+        state = -1
+        icon =  "▾"
+    end
+
+    if tonumber(cap) < 10 and warn then
+        naughty.notify({ title      = "Battery Warning",
+                         text       = "Battery "..adapter.." low at "..cap.."%!",
+                         timeout    = 15,
+                         position   = "top_right",
+                         fg         = beautiful.fg_focus,
+                         bg         = beautiful.bg_focus,
+                       })
+    end
+    if tonumber(cap) < 10 then
+        color='red'
+    elseif tonumber(cap) < 25 then
+        color='orange'
+    else
+        color='green'
+    end
+
+    widget:set_markup(spacer.."<span color='"..color.."'>"..icon..cap..'%</span>'..spacer)
+end
+
+local wibox = require("wibox")
+
+bat0_widget = wibox.widget.textbox()
+bat0_widget:set_align("right")
+
+bat1_widget = wibox.widget.textbox()
+bat1_widget:set_align("right")
+
+battery_timer = timer({timeout = 20})
+battery_timer:connect_signal("timeout", function()
+   batteryInfoUpdate("BAT0", true, bat0_widget)
+   batteryInfoUpdate("BAT1", false, bat1_widget)
+end)
+battery_timer:start()
+
+-- vim:set softtabstop=4:ts=4:shiftwidth=4:et=1: