add a widget for showing the current mpd status

rc.lua

@@ -32,6 +32,8 @@ local function batteryarc() -- detect if there are any batteries before showing
  end
 end
 
+local zombies = {}
+
 -- {{{ Error handling
 -- Check if awesome encountered an error during startup and fell back to
 -- another config (This code will only ever execute for the fallback config)
@@ -95,13 +97,19 @@ awful.layout.layouts = {
 }
 -- }}}
 
+function restart()
+ for k,v in pairs(zombies) do
+  awful.spawn.easy_async(string.format("kill %d",v))
+ end
+ awesome.restart()
+end
 -- {{{ Menu
 -- Create a launcher widget and a main menu
 myawesomemenu = {
    { "hotkeys", function() hotkeys_popup.show_help(nil, awful.screen.focused()) end },
    { "manual", terminal .. " -e man awesome" },
    { "edit config", editor_cmd .. " " .. awesome.conffile },
-   { "restart", awesome.restart },
+   { "restart", restart },
    { "quit", function() awesome.quit() end },
 }
 
@@ -113,6 +121,24 @@ mymainmenu = awful.menu({ items = { { "awesome", myawesomemenu, beautiful.awesom
 mylauncher = awful.widget.launcher({ image = beautiful.awesome_icon,
                                      menu = mymainmenu })
 
+mpdwidget = wibox.widget({
+ align = 'center',
+ valign = 'center',
+ widget = wibox.widget.textbox
+})
+function updatempdwidget()
+ local states = {}
+ states.playing = "▶"
+ states.paused = "||"
+ awful.spawn.easy_async("mpc status", function(s)
+  song,status = s:match("([^\n]+)\n%[(.-)%]")
+  mpdwidget.text = string.format("🎶 %s %s ",(status and states[status]) or "■", song or "")
+ end)
+end
+updatempdwidget()
+
+zombies[#zombies+1] = awful.spawn.with_line_callback("mpc idleloop", {stdout=updatempdwidget})
+
 -- Menubar configuration
 menubar.utils.terminal = terminal -- Set the terminal for applications that require it
 menubar.menu_gen.all_menu_dirs = { "/usr/share/applications/", ".local/share/applications/" }
@@ -171,9 +197,9 @@ local function set_wallpaper(s)
  print(s)
  local wpath
  if s.geometry.width > s.geometry.height then -- landscape
-  wpath = "/home/izaya/Nextcloud/Pictures/Wallpapers"
+  wpath = "/home/izaya/Pictures/Wallpapers"
  else -- portrait
-  wpath = "/home/izaya/Nextcloud/Pictures/Wallpapers/Phone"
+  wpath = "/home/izaya/Pictures/Wallpapers/Phone"
  end
  return awful.spawn.easy_async_with_shell(string.format('ls "%s"',wpath), function(out)
   local tWP = {}
@@ -278,6 +304,7 @@ awful.screen.connect_for_each_screen(function(s)
             s.mytasklist, -- Middle widget
             { -- Right widgets
                 layout = wibox.layout.fixed.horizontal,
+                mpdwidget,
                 mysystray,
                 cpu_widget(),
                 ram_widget(),
@@ -362,7 +389,7 @@ globalkeys = gears.table.join(
     -- Standard program
     awful.key({ modkey,           }, "Return", function () awful.spawn(terminal) end,
               {description = "open a terminal", group = "launcher"}),
-    awful.key({ modkey, "Control" }, "r", awesome.restart,
+    awful.key({ modkey, "Control" }, "r", restart,
               {description = "reload awesome", group = "awesome"}),
     awful.key({ modkey, "Shift"   }, "q", awesome.quit,
               {description = "quit awesome", group = "awesome"}),
@@ -634,7 +661,7 @@ awful.rules.rules = {
     -- { rule = { class = "Firefox" },
     --   properties = { screen = 1, tag = "2" } },
     { rule = { class = "Steam", name = "Steam" },
-      properties = {tag = "3", titlebars_enabled = false } },
+      properties = {screen = 1, tag = "3", titlebars_enabled = false } },
     { rule = { class = "Steam", name = "Friends List.*"},
       properties = {tag = "6", titlebars_enabled = false } },
     { rule = { class = "Pidgin"},