local ipairs = ipairs

local pairs = pairs

local capi = {

   keygrabber = keygrabber,

   client = client,

   string = string,

   widget = widget,

}

module("my")

local in_error = false

function notify_error(err)

   -- Make sure we don't go into an endless error loop

   if in_error then return end

   in_error = true

   naughty.notify({ preset = naughty.config.presets.critical,

                    title = "Oops, an error happened!",

                    text = err })

   in_error = false

end

function mkspawn(p)

   return function () awful.util.spawn(p) end

end

function setxkbmap(kb)

   XKBDIR="$HOME/.xkb"

   -- Strange bug on xkbcomp: pushing directly the output to the display

   -- lead to an error; We need to convert it first to .xkb and then feed

   -- xkbcomp again for setting the x display

   p = 'setxkbmap "' .. kb .. " -print | xkbcomp -xkb -a -I" .. XKBDIR .. " - - | kxbcomp - $DISPLAY"

   awful.util.spawn_with_shell(p)

end

function kill_all(rule)

   for c in awful.client.iterate(rule) do

      c:kill()

   end

end

function quit()

   kill_all(awful.rules.any)

   awesome.quit()

end

function show_clients()

   if instance then

      instance:hide()

      instance = nil

   else

      instance = awful.menu.clients({width=250})

   end

end

local function widgets_cpu()

   local w = awful.widget.graph()

   -- Graph properties

   w:set_width(30)

   w:set_background_color("#729fcf")

-- Register widget

   vicious.register(w, vicious.widgets.cpu, "$1", 1)

   return w

end

local function widgets_mdp()

   -- Initialize widget

   -- Register widget

   vicious.register(w, vicious.widgets.mpd,

                    function (widget, args)

                       if args["{state}"] == "Stop" then 

                          return " - "

                       else 

                          return args["{Artist}"]..' - '.. args["{Title}"]

                       end

                    end, 10)

   return w

end

local function widgets_mem(monitor)

-- Initialize widget

   local w = awful.widget.progressbar()

-- Progressbar properties

   w:set_width(10)

   w:set_vertical(true)

   w:set_background_color("#729fcf")

-- Register widget

   vicious.register(w, vicious.widgets.mem, "$1", 5)

   return w

end

local function widgets_net(device)

   -- w:set_vertical(true)

   w.width = 150

   w.align = 'center'

   vicious.register(w, wicked.widgets.net,

                    '${' .. device .. ' up} / ${' .. device .. ' down}',

                   1)

   return w

end

local function widgets_mode()

   widgets.mode_widget = w

   return w

end

local function widgets_keyboard()

   widgets.keyboard_widget = w

   return w

end

local function widgets_decorated(w, onclick)

   local wg = w

   if w.widget then

      wg = w.widget

   end

   wg:buttons(awful.util.table.join(

                awful.button({}, 1, onclick)))

   return w

end

widgets = {

   cpu = widgets_cpu,

   mem = widgets_mem,

   net = widgets_net,

   mdp = widgets_mdp,

   mode = widgets_mode,

   keyboard = widgets_keyboard,

   decorated = widgets_decorated,

}

function make_key(k, n, f)

   return { key = k, name = n, func = f}

end

function show_kt(keytable, title)

   -- todo: replace with a menu ?

   text = ""

   for _, k in ipairs(keytable) do

      text = text .. "\'" .. k.key .. "\'\t" .. k.name .. "\n"

   end

   naughty.notify({text = text, 

                   title = title, 

                   position = "top_left",

   })

end

local keynames = {

   [" "] = "space",

   ["\t"] = "tab",

}

local ignored_mods = {

   ["Mod2"] = true,

}

local function translate_key(mod, key)

   local skey = ""

   for m,v in pairs(mod) do

      if not ignored_mods[v] then 

         skey = skey .. v .. "+"

      end

   end

   skey = skey .. (keynames[key] or key)

   return skey

end

local function kt_handler(keytable, mod, key, event)

   if event == "release" then 

      return true 

   end

   local theme = beautiful.get()

   widgets.mode_widget.bg = theme.bg_focus

   if key == "Escape" then   

      return false

   end

   local skey = capi.string.lower(translate_key(mod, key))

   if skey == "control+h" or skey == "shift+?" then

      show_kt(keytable, "Current binding")

      return true

   end

   for _,k in ipairs(keytable) do

      if skey == capi.string.lower(k.key) then

         return k.func(c)

      end

   end

   -- notify_error("Nothing for " .. skey)

   widgets.mode_widget.bg = theme.bg_urgent

   return true

end

local function stop_kt()

   capi.keygrabber.stop()

   widgets.mode_widget.visible = false

end

function mkinteractive(f)

  return function (c)

     stop_kt()

     return f(c)

  end

end

-- local is_in_run_kt = false

function run_kt(c, keytable, title)

   widgets.mode_widget.text = "Mode: " .. title

   widgets.mode_widget.visible = true

   widgets.mode_widget.bg = "LightBlue"

   widgets.mode_widget:buttons(

      awful.util.table.join(

         awful.button({}, 1, function () show_kt(keytable, "Binding") end),

         awful.button({}, 3, stop_kt)))

   capi.keygrabber.run(function (mod, key, event)

         if not kt_handler(keytable, mod, key, event) then

            stop_kt()

            return false

         end

         return true

   end)

end

function make_kt(keytable, title)

   return function (c) 

      -- if is_in_run_kt then

      --    -- notify_error("Already in run_kt:\n" .. debug.traceback())

      --    is_in_run_kt = false -- reset

      --    return false

      -- end

      return run_kt(c, keytable, title)

   end

end

function make_focus_bydirection(direction)

   return function ()

      awful.client.focus.bydirection(direction)

      if capi.client.focus then capi.client.focus:raise() end

      return true

   end

end

function make_globalkeys(modifiers, keytable)

   local t = {}

   for _,k in ipairs(keytable) do

      t = awful.util.table.join(t, awful.key(modifiers, k.key, k.func))

   end

   return t

end

-- Install a sloppy-like focus with a timeout.

function sloppy_toggle()

   sloppy = not sloppy

end

function sloppy_mouse_enter(c)

   if sloppy and

      c ~= sloppy_last_client and

      awful.client.focus.filter(c) and

      awful.layout.get(c.screen) ~= awful.layout.suit.magnifier

   then

      if sloppy_timer.started

      then

         sloppy_timer:again()

      else

         sloppy_timer:start()

      end

      sloppy_last_client = c

   end

end

function sloppy_on_timeout()

   if sloppy

   then

      local c = awful.mouse.client_under_pointer()

      if c and

         c == sloppy_last_client

      then

         capi.client.focus = c

         sloppy_timer:stop()

      end

    end

end

sloppy = true

sloppy_last_client = nil

sloppy_timer = nil

function sloppy_install(delay)

   sloppy_timer = timer({ timeout = delay })

   sloppy_timer:start()

   end)

end