rc.lua

-- Standard awesome library
local gears = require("gears")
local awful = require("awful")
require("awful.autofocus")
-- Widget and layout library
local wibox = require("wibox")
-- Theme handling library
local beautiful = require("beautiful")

-- Notification library
local naughty = require("naughty")
local menubar = require("menubar")
local hotkeys_popup = require("awful.hotkeys_popup").widget

local vicious = require("vicious")

local lanes = require "lanes".configure({demote_full_userdata = true})

if awesome.startup_errors then
   naughty.notify({ preset = naughty.config.presets.critical,
		    title = "Oops, there were errors during startup!",
		    text = awesome.startup_errors })
end

do
   local in_error = false
   awesome.connect_signal("debug::error", function (err)
			     if in_error then return end
			     in_error = true

			     naughty.notify({ preset = naughty.config.presets.critical,
					      title = "Oops, an error happened!",
					      text = tostring(err) })
			     in_error = false
   end)
end

--theme.wallpaper = "~/media/image/space_art.jpg" 

beautiful.init("~/.config/awesome/theme.lua")

terminal = "urxvt"

editor = os.getenv("EDITOR") or "nano"
editor_cmd = terminal .. " -e " .. editor

modkey = "Mod4"

awful.layout.layouts = {
   awful.layout.suit.floating,
   -- awful.layout.suit.tile,
   -- awful.layout.suit.tile.left,
   -- awful.layout.suit.tile.bottom,
   -- awful.layout.suit.tile.top,
   -- awful.layout.suit.fair,
   -- awful.layout.suit.fair.horizontal,
   -- awful.layout.suit.spiral,
   -- awful.layout.suit.spiral.dwindle,
   -- awful.layout.suit.max,
   -- awful.layout.suit.max.fullscreen,
   -- awful.layout.suit.magnifier,
   -- awful.layout.suit.corner.nw,
   -- awful.layout.suit.corner.ne,
   -- awful.layout.suit.corner.sw,
   -- awful.layout.suit.corner.se,
}


local function client_menu_toggle_fn()
   local instance = nil

   return function ()
      if instance and instance.wibox.visible then
	 instance:hide()
	 instance = nil
      else
	 instance = awful.menu.clients({ theme = { width = 250 } })
      end
   end
end


-- {{{ Menu
-- Create a launcher widget and a main menu
myawesomemenu = {
   { "hotkeys", function() return false, hotkeys_popup.show_help end},
   { "manual", terminal .. " -e man awesome" },
   { "edit config", editor_cmd .. " " .. awesome.conffile },
   { "restart", awesome.restart },
   { "quit", function() awesome.quit() end}
}

mymainmenu = awful.menu({ items = { { "awesome", myawesomemenu, beautiful.awesome_icon },
			     { "open terminal", terminal }
}
		       })

-- mylauncher = awful.widget.launcher({ image = beautiful.awesome_icon,
--                                     menu = mymainmenu })

-- Menubar configuration
menubar.utils.terminal = terminal -- Set the terminal for applications that require it
-- }}}

-- Keyboard map indicator and switcher
mykeyboardlayout = awful.widget.keyboardlayout()

-- {{{ Wibar
-- Create a textclock widget
mytextclock = wibox.widget.textclock()

cpu_widget = wibox.widget.textbox()
cpu_widget.width = 300
cpu_widget.forced_width = 300
cpu_widget.align = "right"
vicious.register(cpu_widget, 
		 vicious.widgets.cpu,
		 function(widget, args)
		    return string.format("<span color='%s'> CPU: %3d</span>,%3d,%3d,%3d,%3d,%3d,%3d,%3d,%3d   ",
					 beautiful.bg_focus,
					 args[1], 
					 args[2],
					 args[3],
					 args[4],
					 args[5],
					 args[6],
					 args[7],
					 args[8],
					 args[9])
		 end,
		 2)


memory_widget = wibox.widget.textbox()
memory_widget.width = 65
memory_widget.align = "right"
vicious.cache(vicious.widgets.mem)
vicious.register(memory_widget,
		 vicious.widgets.mem,
		 "<span color='" .. beautiful.bg_focus .. "'>  Mem: </span>$1%   ", 
		 2)



-- Create a wibox for each screen and add it
local taglist_buttons = awful.util.table.join(
   awful.button({ }, 1, function(t) t:view_only() end),
   awful.button({ modkey }, 1, function(t)
	 if client.focus then
	    client.focus:move_to_tag(t)
	 end
   end),
   awful.button({ }, 3, awful.tag.viewtoggle),
   awful.button({ modkey }, 3, function(t)
	 if client.focus then
	    client.focus:toggle_tag(t)
	 end
   end),
   awful.button({ }, 4, function(t) awful.tag.viewnext(t.screen) end),
   awful.button({ }, 5, function(t) awful.tag.viewprev(t.screen) end)
)

local tasklist_buttons = awful.util.table.join(
   awful.button({ }, 1, function (c)
	 if c == client.focus then
	    c.minimized = true
	 else
	    -- Without this, the following
	    -- :isvisible() makes no sense
	    c.minimized = false
	    if not c:isvisible() and c.first_tag then
	       c.first_tag:view_only()
	    end
	    -- This will also un-minimize
	    -- the client, if needed
	    client.focus = c
	    c:raise()
	 end
   end),
   awful.button({ }, 3, client_menu_toggle_fn()),
   awful.button({ }, 4, function ()
	 awful.client.focus.byidx(1)
   end),
   awful.button({ }, 5, function ()
	 awful.client.focus.byidx(-1)
end))

local function set_wallpaper(s)
   -- Wallpaper
   if beautiful.wallpaper then
      local wallpaper = beautiful.wallpaper
      -- If wallpaper is a function, call it with the screen
      if type(wallpaper) == "function" then
	 wallpaper = wallpaper(s)
      end
      gears.wallpaper.maximized(wallpaper, s, true)
   end
end

progress_widget = wibox.widget {
   background_color = "#0067ce",
   border_color     = "#eeeeec",
   border_width     = 2,
   color            = "#00FF7F",
   forced_height    = 10,
   forced_width     = 150,
   margins          = 5,
   max_value        = 1,
   paddings         = 1,
   value            = 0.0,
   widget           = wibox.widget.progressbar,
}

-- Re-set wallpaper when a screen's geometry changes (e.g. different resolution)
screen.connect_signal("property::geometry", set_wallpaper)

padding = wibox.widget.textbox()
padding.forced_width = 10
padding.width = 10

awful.screen.connect_for_each_screen(function(s)

      set_wallpaper(s)

      -- Each screen has its own tag table.
      awful.tag({'I', 'II', 'III', 'IV', 'V'}, 
	 s, 
	 awful.layout.suit.floating)

      -- Create a promptbox for each screen
      s.mypromptbox = awful.widget.prompt()

      -- Create an imagebox widget which will contains an icon indicating which layout we're using.
      -- We need one layoutbox per screen.
      s.mylayoutbox = awful.widget.layoutbox(s)
      s.mylayoutbox:buttons(awful.util.table.join(
			       awful.button({ }, 1, function () awful.layout.inc( 1) end),
			       awful.button({ }, 3, function () awful.layout.inc(-1) end),
			       awful.button({ }, 4, function () awful.layout.inc( 1) end),
			       awful.button({ }, 5, function () awful.layout.inc(-1) end)))

      if s.index == 1 then
	 
	 -- Create a taglist widget
	 s.mytaglist = awful.widget.taglist(s, awful.widget.taglist.filter.all, taglist_buttons)

	 -- Create a tasklist widget
	 s.mytasklist = awful.widget.tasklist(s, awful.widget.tasklist.filter.currenttags, tasklist_buttons)

	 -- Create the wibox
	 s.mywibox = awful.wibar({ position = "bottom", screen = s, height = "50" })

	 -- Add widgets to the wibox
	 s.mywibox:setup {
	    layout = wibox.layout.align.horizontal,
	    { -- Left widgets
	       layout = wibox.layout.fixed.horizontal,
	       -- mylauncher,
	       s.mytaglist,
	       cpu_widget,
	       memory_widget,
	       s.mypromptbox,
	    },
	    s.mytasklist, -- Middle widget
	    { -- Right widgets
	       layout = wibox.layout.fixed.horizontal,
	       --mykeyboardlayout,
	       --wibox.widget.systray(),
	       padding,
	       mytextclock,
	       padding,
	       s.mylayoutbox,
	       padding,
	       progress_widget,
	    },
	 } 
      end

      if s.index == 2 then
	 s.mywibox = awful.wibar({ position = "bottom", screen = s, height = "50" })

	 s.mytaglist = awful.widget.taglist(s, awful.widget.taglist.filter.all, taglist_buttons)

	 s.mytasklist = awful.widget.tasklist(s, awful.widget.tasklist.filter.currenttags, tasklist_buttons)

	 s.mywibox:setup {
	    layout = wibox.layout.align.horizontal,
	    { -- Left widgets
	       layout = wibox.layout.fixed.horizontal,
	       s.mytaglist,
	       s.mypromptbox,
	    },
	    s.mytasklist, -- Middle widget
	    
	 }
      end
end)

root.buttons(awful.util.table.join(
		awful.button({ }, 3, function () mymainmenu:toggle() end),
		awful.button({ }, 4, awful.tag.viewnext),
		awful.button({ }, 5, awful.tag.viewprev)
))

-- {{{ Key bindings
globalkeys = awful.util.table.join(
   awful.key({ modkey,           }, "s",      hotkeys_popup.show_help,
      {description="show help", group="awesome"}),
   awful.key({ modkey,           }, "Left",   awful.tag.viewprev,
      {description = "view previous", group = "tag"}),
   awful.key({ modkey,           }, "Right",  awful.tag.viewnext,
      {description = "view next", group = "tag"}),
   awful.key({ modkey,           }, "Escape", awful.tag.history.restore,
      {description = "go back", group = "tag"}),

   awful.key({ modkey,           }, "j",
      function ()
	 awful.client.focus.byidx( 1)
      end,
      {description = "focus next by index", group = "client"}
   ),
   awful.key({ modkey,           }, "k",
      function ()
	 awful.client.focus.byidx(-1)
      end,
      {description = "focus previous by index", group = "client"}
   ),
   awful.key({ modkey,           }, "w", function () mymainmenu:show() end,
      {description = "show main menu", group = "awesome"}),

   -- Layout manipulation
   awful.key({ modkey, "Shift"   }, "j", function () awful.client.swap.byidx(  1)    end,
      {description = "swap with next client by index", group = "client"}),
   awful.key({ modkey, "Shift"   }, "k", function () awful.client.swap.byidx( -1)    end,
      {description = "swap with previous client by index", group = "client"}),
   awful.key({ modkey, "Control" }, "j", function () awful.screen.focus_relative( 1) end,
      {description = "focus the next screen", group = "screen"}),
   awful.key({ modkey, "Control" }, "k", function () awful.screen.focus_relative(-1) end,
      {description = "focus the previous screen", group = "screen"}),
   awful.key({ modkey,           }, "u", awful.client.urgent.jumpto,
      {description = "jump to urgent client", group = "client"}),
   awful.key({ modkey,           }, "Tab",
      function ()
	 awful.client.focus.history.previous()
	 if client.focus then
	    client.focus:raise()
	 end
      end,
      {description = "go back", group = "client"}),

   -- Standard program
   awful.key({ modkey,           }, "Return", function () awful.spawn(terminal) end,
      {description = "open a terminal", group = "launcher"}),
   awful.key({ modkey, "Control" }, "r", awesome.restart,
      {description = "reload awesome", group = "awesome"}),
   awful.key({ modkey, "Shift"   }, "q", awesome.quit,
      {description = "quit awesome", group = "awesome"}),

   awful.key({ modkey,           }, "l",     function () awful.tag.incmwfact( 0.05)          end,
      {description = "increase master width factor", group = "layout"}),
   awful.key({ modkey,           }, "h",     function () awful.tag.incmwfact(-0.05)          end,
      {description = "decrease master width factor", group = "layout"}),
   awful.key({ modkey, "Shift"   }, "h",     function () awful.tag.incnmaster( 1, nil, true) end,
      {description = "increase the number of master clients", group = "layout"}),
   awful.key({ modkey, "Shift"   }, "l",     function () awful.tag.incnmaster(-1, nil, true) end,
      {description = "decrease the number of master clients", group = "layout"}),
   awful.key({ modkey, "Control" }, "h",     function () awful.tag.incncol( 1, nil, true)    end,
      {description = "increase the number of columns", group = "layout"}),
   awful.key({ modkey, "Control" }, "l",     function () awful.tag.incncol(-1, nil, true)    end,
      {description = "decrease the number of columns", group = "layout"}),
   awful.key({ modkey,           }, "space", function () awful.layout.inc( 1)                end,
      {description = "select next", group = "layout"}),
   awful.key({ modkey, "Shift"   }, "space", function () awful.layout.inc(-1)                end,
      {description = "select previous", group = "layout"}),

   awful.key({ modkey,           }, "c", function () awful.spawn("chromium")                end,
      {description = "chromium", group = "launcher"}),

   awful.key({ modkey, "Control" }, "n",
      function ()
	 local c = awful.client.restore()
	 -- Focus restored client
	 if c then
	    client.focus = c
	    c:raise()
	 end
      end,
      {description = "restore minimized", group = "client"}),

   -- Prompt
   awful.key({ modkey },            "r",     function () awful.screen.focused().mypromptbox:run() end,
      {description = "run prompt", group = "launcher"}),

   awful.key({ modkey }, "x",
      function ()
	 awful.prompt.run {
	    prompt       = "Run Lua code: ",
	    textbox      = awful.screen.focused().mypromptbox.widget,
	    exe_callback = awful.util.eval,
	    history_path = awful.util.get_cache_dir() .. "/history_eval"
	 }
      end,
      {description = "lua execute prompt", group = "awesome"}),
   -- Menubar
   awful.key({ modkey }, "p", function() menubar.show() end,
      {description = "show the menubar", group = "launcher"})
)

clientkeys = awful.util.table.join(
   awful.key({ modkey,           }, "f",
      function (c)
	 c.fullscreen = not c.fullscreen
	 c:raise()
      end,
      {description = "toggle fullscreen", group = "client"}),
   awful.key({ modkey, "Shift"   }, "c",      function (c) c:kill()                         end,
      {description = "close", group = "client"}),
   awful.key({ modkey, "Control" }, "space",  awful.client.floating.toggle                     ,
      {description = "toggle floating", group = "client"}),
   awful.key({ modkey, "Control" }, "Return", function (c) c:swap(awful.client.getmaster()) end,
      {description = "move to master", group = "client"}),
   awful.key({ modkey,           }, "o",      function (c) c:move_to_screen()               end,
      {description = "move to screen", group = "client"}),
   awful.key({ modkey,           }, "t",      function (c) c.ontop = not c.ontop            end,
      {description = "toggle keep on top", group = "client"}),
   awful.key({ modkey,           }, "n",
      function (c)
	 -- The client currently has the input focus, so it cannot be
	 -- minimized, since minimized clients can't have the focus.
	 c.minimized = true
      end ,
      {description = "minimize", group = "client"}),
   awful.key({ modkey,           }, "m",
      function (c)
	 c.maximized = not c.maximized
	 c:raise()
      end ,
      {description = "maximize", group = "client"})
)

-- Bind all key numbers to tags.
-- Be careful: we use keycodes to make it works on any keyboard layout.
-- This should map on the top row of your keyboard, usually 1 to 9.
for i = 1, 9 do
   globalkeys = awful.util.table.join(globalkeys,
				      -- View tag only.
				      awful.key({ modkey }, "#" .. i + 9,
					 function ()
					    local screen = awful.screen.focused()
					    local tag = screen.tags[i]
					    if tag then
					       tag:view_only()
					    end
					 end,
					 {description = "view tag #"..i, group = "tag"}),
				      -- Toggle tag display.
				      awful.key({ modkey, "Control" }, "#" .. i + 9,
					 function ()
					    local screen = awful.screen.focused()
					    local tag = screen.tags[i]
					    if tag then
					       awful.tag.viewtoggle(tag)
					    end
					 end,
					 {description = "toggle tag #" .. i, group = "tag"}),
				      -- Move client to tag.
				      awful.key({ modkey, "Shift" }, "#" .. i + 9,
					 function ()
					    if client.focus then
					       local tag = client.focus.screen.tags[i]
					       if tag then
						  client.focus:move_to_tag(tag)
					       end
					    end
					 end,
					 {description = "move focused client to tag #"..i, group = "tag"}),
				      -- Toggle tag on focused client.
				      awful.key({ modkey, "Control", "Shift" }, "#" .. i + 9,
					 function ()
					    if client.focus then
					       local tag = client.focus.screen.tags[i]
					       if tag then
						  client.focus:toggle_tag(tag)
					       end
					    end
					 end,
					 {description = "toggle focused client on tag #" .. i, group = "tag"})
   )
end

clientbuttons = awful.util.table.join(
   awful.button({ }, 1, function (c) client.focus = c; c:raise() end),
   awful.button({ modkey }, 1, awful.mouse.client.move),
   awful.button({ modkey }, 3, awful.mouse.client.resize))

-- Set keys
root.keys(globalkeys)
-- }}}

-- {{{ Rules
-- Rules to apply to new clients (through the "manage" signal).
awful.rules.rules = {
   -- All clients will match this rule.
   { rule = { },
     properties = { border_width = beautiful.border_width,
		    border_color = beautiful.border_normal,
		    focus = awful.client.focus.filter,
		    raise = true,
		    keys = clientkeys,
		    buttons = clientbuttons,
		    screen = awful.screen.preferred,
		    placement = awful.placement.no_overlap+awful.placement.no_offscreen
     }
   },

   -- Floating clients.
   { rule_any = {
        instance = {
	   "DTA",  -- Firefox addon DownThemAll.
	   "copyq",  -- Includes session name in class.
        },
        class = {
	   "Arandr",
	   "Gpick",
	   "Kruler",
	   "MessageWin",  -- kalarm.
	   "Sxiv",
	   "Wpa_gui",
	   "pinentry",
	   "veromix",
	   "xtightvncviewer"},

        name = {
	   "Event Tester",  -- xev.
        },
        role = {
	   "AlarmWindow",  -- Thunderbird's calendar.
	   "pop-up",       -- e.g. Google Chrome's (detached) Developer Tools.
        }
   }, properties = { floating = true }},

   -- Add titlebars to normal clients and dialogs
   { rule_any = {type = { "normal", "dialog" }
		}, properties = { titlebars_enabled = false }
   },

   -- Set Firefox to always map on the tag named "2" on screen 1.
   -- { rule = { class = "Firefox" },
   --   properties = { screen = 1, tag = "2" } },
}
-- }}}

-- {{{ Signals
-- Signal function to execute when a new client appears.
client.connect_signal("manage", function (c)
			 -- Set the windows at the slave,
			 -- i.e. put it at the end of others instead of setting it master.
			 -- if not awesome.startup then awful.client.setslave(c) end

			 if awesome.startup and
			    not c.size_hints.user_position
			 and not c.size_hints.program_position then
			    -- Prevent clients from being unreachable after screen count changes.
			    awful.placement.no_offscreen(c)
			 end
end)

-- Add a titlebar if titlebars_enabled is set to true in the rules.
client.connect_signal("request::titlebars", function(c)
			 -- buttons for the titlebar
			 local buttons = awful.util.table.join(
			    awful.button({ }, 1, function()
				  client.focus = c
				  c:raise()
				  awful.mouse.client.move(c)
			    end),
			    awful.button({ }, 3, function()
				  client.focus = c
				  c:raise()
				  awful.mouse.client.resize(c)
			    end)
			 )

			 awful.titlebar(c) : setup {
			    { -- Left
			       awful.titlebar.widget.iconwidget(c),
			       buttons = buttons,
			       layout  = wibox.layout.fixed.horizontal
			    },
			    { -- Middle
			       { -- Title
				  align  = "center",
				  widget = awful.titlebar.widget.titlewidget(c)
			       },
			       buttons = buttons,
			       layout  = wibox.layout.flex.horizontal
			    },
			    { -- Right
			       awful.titlebar.widget.floatingbutton (c),
			       awful.titlebar.widget.maximizedbutton(c),
			       awful.titlebar.widget.stickybutton   (c),
			       awful.titlebar.widget.ontopbutton    (c),
			       awful.titlebar.widget.closebutton    (c),
			       layout = wibox.layout.fixed.horizontal()
			    },
			    layout = wibox.layout.align.horizontal
						   }
end)

-- Enable sloppy focus, so that focus follows mouse.
client.connect_signal("mouse::enter", function(c)
			 if awful.layout.get(c.screen) ~= awful.layout.suit.magnifier
			 and awful.client.focus.filter(c) then
			    client.focus = c
			 end
end)

client.connect_signal("focus", function(c) c.border_color = beautiful.border_focus end)
client.connect_signal("unfocus", function(c) c.border_color = beautiful.border_normal end)
-- }}}


local function tcp_server()
   file = io.open("/tmp/awesome_stdout", "w")
   io.output(file)
   --io.write("TCP Server started \n")
   --io.flush()

   local socket = require("socket")
   server = socket.tcp()
   server:bind("*", 0)
   server:listen(32)
   server:settimeout(0.001)

   local ip, port = server:getsockname()

   io.write (port .. "\n")
   io.flush()

   while true do

      -- io.write ("start of loop\n")
      -- io.flush ()

      local client = server:accept()
      if not client then
	 coroutine.yield()
	 goto continue
      end

      --io.write ("accept\n")
      -- io.write (client)
      --io.flush ()

      client:settimeout(0.5)

      --io.write ("settimeout\n")
      --io.flush ()

      local line, err = client:receive("*l")

      --io.write ("receive\n")

      --io.write ("line X: \n")
      if line
      then
	 local x = tonumber(line)
	 progress_widget:set_value(x) 

	 --io.write (line)
      end
      --io.write (", err: \n")
      if err
      then
	 --io.write ("ERROR")
      end
      --io.flush ()

      -- if not err then client:send(line .. " RETURN\r\n") end

      client:close()

      --io.write ("close\n")
      --io.flush ()

      ::continue::
   end
end

co = coroutine.create(tcp_server)
coroutine.resume(co)

timer = gears.timer.start_new(1.0,
			      function ()
				 coroutine.resume(co)
				 return true
end)

timer:start();