awesome: highlight battery widget with urgent color if state drops below 10%

1 files changed, 11 insertions, 2 deletions

diff --git a/awesome/rc.lua b/awesome/rc.lua
index f43a08c..a2d032d 100644
--- a/awesome/rc.lua
+++ b/awesome/rc.lua
@@ -128,7 +128,9 @@ for bat = 0, 1 do
     local batexists = io.open(batpath)
     if batexists~=nil then
         io.close(batexists)
-        batwidget = wibox.widget.textbox()
+        batwidget_text = wibox.widget.textbox()
+        batwidget = wibox.widget.background()
+        batwidget:set_widget(batwidget_text)
         function batstate()
             local fcur = io.open(batpath .. '/charge_now')
             if not fcur then fcur = io.open(batpath .. '/energy_now') end
@@ -152,10 +154,17 @@ for bat = 0, 1 do
             elseif ac:match("0") then
                 acwidget.visible = false
             end
+
             local battery = math.floor(cur*100/full)
+            if battery < 10 then
+                batwidget:set_bg(beautiful.bg_urgent)
+            else
+                batwidget:set_bg(beautiful.bg_normal)
+            end
+
             return {battery}
         end
-        vicious.register(batwidget, batstate, ' Bat:$1% ', 60)
+        vicious.register(batwidget_text, batstate, ' Bat:$1% ', 60)
     end
 end