Initial

.config/waybar/custom/spotify/controls.sh

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+#!/bin/bash
+
+status=$(playerctl -p spotify status)
+
+if [[ -z $status ]] 
+then
+    exit
+fi
+
+if [[ $1 == "prev" ]]
+then
+   playerctl -p spotify previous
+   sleep .1
+   # trigger the monitor to resync all
+   # spotify elements
+   pkill -RTMIN+4 waybar
+   exit
+fi
+
+if [[ $1 == "next" ]]
+then
+   playerctl -p spotify next
+   sleep .1
+   # trigger the monitor to resync all
+   # spotify elements
+   pkill -RTMIN+4 waybar
+   exit
+fi
+
+# if no option is provided we toggle
+# the play state and send a signal to
+# waybar to update it's css.
+if [[ $status == "Playing" ]]
+then
+   playerctl -p spotify pause
+   sleep .1
+   # trigger the monitor to resync all
+   # spotify elements
+   pkill -RTMIN+4 waybar
+   exit
+fi
+
+if [[ $status == "Paused" ]]
+then
+   playerctl -p spotify play
+   sleep .1
+   # trigger the monitor to resync all
+   # spotify elements
+   pkill -RTMIN+4 waybar
+   exit
+fi
+

.config/waybar/custom/spotify/metadata.sh

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+#!/bin/bash
+
+status=$(playerctl -p spotify status)
+artist=$(playerctl -p spotify metadata xesam:artist)
+title=$(playerctl -p spotify metadata xesam:title)
+album=$(playerctl -p spotify metadata xesam:album)
+
+if [[ -z $status ]] 
+then
+   # spotify is dead, we should die to.
+   exit
+fi
+
+if [[ $status == "Playing" ]]
+then
+   echo "{\"class\": \"playing\", \"text\": \"$artist - $title\", \"tooltip\": \"$artist - $title - $album\"}"
+   pkill -RTMIN+5 waybar
+   exit
+fi
+
+if [[ $status == "Paused" ]]
+then
+   echo "{\"class\": \"paused\", \"text\": \"$artist - $title\", \"tooltip\": \"$artist - $title - $album\"}"
+   pkill -RTMIN+5 waybar
+   exit
+fi
+

.config/waybar/custom/spotify/monitor.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# we are a clock for the other
+# spotify elements.
+# 
+# waybar will run this on an interval
+# and external processes can trigger this 
+# with pkill -RTMIN+4 waybar
+sleep .1
+pkill -RTMIN+5 waybar
+
+# if spotify is running, trigger the
+# render of the "quit" element.
+if pgrep spotify > /dev/null
+then
+    pkill -RTMIN+6 waybar
+fi
+

.config/waybar/custom/spotify/play-pause.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+status=$(playerctl -p spotify status)
+
+if [[ -z $status ]] 
+then
+    exit
+fi
+
+if [[ $status == "Playing" ]]
+then
+   echo "{\"class\": \"playing\", \"text\": \"\", \"tooltip\": \"$album\"}"
+   exit
+fi
+
+if [[ $status == "Paused" ]]
+then
+   echo "{\"class\": \"paused\", \"text\": \"\", \"tooltip\": \"$album\"}"
+   exit
+fi

.config/waybar/custom/spotify/quit.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# quit closes spotify but triggers
+# the monitor to update which immediately
+# remove the widget instead of waiting for
+# the next monitor interval.
+
+if pgrep spotify
+then
+    kill -SIGINT $(pgrep spotify)
+fi
+
+pkill -RTMIN+4 waybar