Add media control support with playerctl or default to dbus on Spotify

README.md

@@ -7,6 +7,18 @@ As simple as it sounds
 
 By default, Simple Awesome uses
 
-- `rofi` for the launch bar/window switcher
+- `rofi` - launch bar / window switcher
+- `flameshot` - screenshot utility
 
-- `flameshot` for making screenshots
+## Optional dependencies
+
+- `playerctl` - enables global media control. If not present on your system, only Spotify will work.
+
+## To do
+
+- Add a media control widget
+- Add a network control widget
+- Manage workspaces
+- Improve "leave menu"'s design
+- Modify "start menu"
+- Make "start menu" and "leave menu" not sticky (they currently stay open and focus even when clicking outside)

media_control.lua

@@ -0,0 +1,54 @@
+-- Control playing music/media and sound volume
+-- Currently supports :
+-- - playerctl
+-- - Spotify
+
+-- DEBUG
+local inspect = require("debug/inspect")
+
+local awful = require("awful")
+local naughty = require("naughty")
+
+local hasPlayerctl = os.execute("playerctl -v") == true
+
+-- playerctl
+function sendToPlayerctl(command)
+    os.execute("playerctl " .. command)
+end
+
+-- Spotify
+function sendToSpotify(command)
+    awful.util.spawn_with_shell("dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player." .. command)
+end
+
+-- {{{ Control
+    local playPause = function()
+        if hasPlayerctl then
+            sendToPlayerctl("play-pause")
+        else
+            sendToSpotify("PlayPause")
+        end
+    end
+
+    local nextTrack = function()
+        if hasPlayerctl then
+            sendToPlayerctl("next")
+        else
+            sendToSpotify("Next")
+        end
+    end
+
+    local previousTrack = function()
+        if hasPlayerctl then
+            sendToPlayerctl("previous")
+        else
+            sendToSpotify("Previous")
+        end
+    end
+-- }}}
+
+return {
+    playPause = playPause,
+    nextTrack = nextTrack,
+    previousTrack = previousTrack
+}

rc.lua

@@ -24,6 +24,7 @@ require("awful.hotkeys_popup.keys")
 -- Simple awesome
 local config = require("default_config")
 local tiling = require("tiling")
+local media_control = require("media_control")
 
 
 -- {{{ Error handling
@@ -312,11 +313,6 @@ root.buttons(gears.table.join(
 globalkeys = gears.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"}),
@@ -421,7 +417,14 @@ globalkeys = gears.table.join(
               {description = "switch keyboard layout"}),
     -- Flameshot
     awful.key({}, "Print", function () os.execute( config.screenshotCmd ) end,
-              {description = "screenshot using the specified command"})
+              {description = "screenshot using the specified command"}),
+    -- Media control
+    awful.key({}, "XF86AudioPlay", media_control.playPause,
+        {description = "Toggle Play / Pause", group="media control"}),
+    awful.key({}, "XF86AudioNext", media_control.nextTrack,
+        {description = "Next track", group="media control"}),
+    awful.key({}, "XF86AudioPrev", media_control.previousTrack,
+        {description = "Previous track", group="media control"})
 )
 
 clientkeys = gears.table.join(