awesome/widgets/mpd_widget.lua

   1 local mpc = require("widgets/mpc")
   2 local textbox = require("wibox.widget.textbox")
   3 local timer = require("gears.timer")
   4
   5 mpd_widget = textbox()
   6
   7 local function update_widget()
   8     local text = ""
   9     if state == "pause" then
  10         text = "|| "
  11     end
  12     text = text .. tostring(artist or "") .. " - " .. tostring(title or "")
  13     mpd_widget.text = text
  14 end
  15
  16 local connection
  17 local function error_handler(err)
  18     mpd_widget:set_text("Error: " .. tostring(err))
  19     timer.start_new(10, function()
  20         connection:send("ping")
  21     end)
  22 end
  23
  24 connection = mpc.new(nil, nil, nil, error_handler,
  25     "status", function(_, result)
  26         state = result.state
  27     end,
  28     "currentsong", function(_, result)
  29         title, artist, file = result.title, result.artist, result.file
  30         pcall(update_widget)
  31     end
  32 )
  33
  34 mpd_widget:buttons(gears.table.join(
  35   awful.button({}, 1, function() connection:toggle_play() end)
  36 , awful.button({}, 4, function() connection:change_volume(5) end)
  37 , awful.button({}, 5, function() connection:change_volume(-5) end))
  38 )
  39
  40 globalkeys = gears.table.join(globalkeys,
  41     awful.key({ modkey }, "p", function() connection:toggle_play() end,
  42               { description = "toogle play", group = "mpd" }),
  43     awful.key({ modkey }, ",", function() connection:send("previous") end,
  44               { description = "previous track", group = "mpd" }),
  45     awful.key({ modkey }, ".", function() connection:send("next") end,
  46               { description = "next track", group = "mpd" })
  47 )
  48 return mpd_widget