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-- Licensed under the GNU General Public License v2
--  * (c) 2012, Axel Arnold <arnolda _at_ icp.uni-stuttgart.de>
--  based on https://awesome.naquadah.org/wiki/Change_keyboard_maps
---------------------------------------------------

---------------------------------------------------
-- a simple configurable keyboard layout switching
-- widget.
---------------------------------------------------

local capi = {
   widget = widget,
   exec = os.execute
}
local awful = require("awful")

module("kb_switch")

function keyboard_switch()
   local kbdcfg = {}
   kbdcfg.cmd = function(layout)
		   capi.exec( "setxkbmap" .. " " .. layout[1] .. " " .. layout[2] )
		end
   kbdcfg.layout = { { "de", "nodeadkeys" }, { "ru", "" } }
   kbdcfg.current = 1 
   kbdcfg.widget = capi.widget({ type = "textbox", align = "right" })
   kbdcfg.widget.text = " " .. kbdcfg.layout[kbdcfg.current][1] .. " "
   kbdcfg.widget.bg = "#e0e0e0"
   kbdcfg.switch = function ()
		      kbdcfg.current = kbdcfg.current % #(kbdcfg.layout) + 1
		      local t = kbdcfg.layout[kbdcfg.current]
		      kbdcfg.widget.text = " " .. t[1] .. " "
		      kbdcfg.cmd(t)
		   end
   -- Mouse bindings
   kbdcfg.widget:buttons(awful.util.table.join(
			    awful.button({ }, 1, function() kbdcfg.switch() end)
		      ))

   return kbdcfg
end