polybar: clean up the scripts

1 files changed, 265 insertions, 0 deletions

diff --git a/.config/polybar/scripts/pulseaudio_control b/.config/polybar/scripts/pulseaudio_control
new file mode 100755
index 0000000..7ba2c3f
--- /dev/null
+++ b/.config/polybar/scripts/pulseaudio_control
@@ -0,0 +1,265 @@
+#!/usr/bin/env bash
+
+##################################################################
+# Polybar Pulseaudio Control                                     #
+# https://github.com/marioortizmanero/polybar-pulseaudio-control #
+##################################################################
+
+# Script configuration (more info in the README)
+OSD="no"  # On Screen Display message for KDE if enabled
+INC=2  # Increment when lowering/rising the volume
+MAX_VOL=100  # Maximum volume
+AUTOSYNC="no"  # All programs have the same volume if enabled
+VOLUME_ICONS=( " " " " " " )  # Volume icons array, from lower volume to higher
+MUTED_ICON=" "  # Muted volume icon
+MUTED_COLOR="%{F#A9AA83}"  # Color when the audio is muted
+DEFAULT_SINK_ICON=""  # The default sink icon if a custom one isn't found
+CUSTOM_SINK_ICONS=("" "")  # Custom sink icons in index of sink order
+NOTIFICATIONS="no"  # Notifications when switching sinks if enabled
+SINK_BLACKLIST=(  )  # Index blacklist for sinks when switching between them
+
+# Environment constants
+LANGUAGE=en_US  # Functions of this scripts depends on English outputs of pactl
+
+# Global script variables
+isMuted="no"
+activeSink=""
+endColor="%{F-}"
+
+function getCurVol {
+    curVol=$(pacmd list-sinks | grep -A 15 'index: '"$activeSink"'' | grep 'volume:' | grep -E -v 'base volume:' | awk -F : '{print $3}' | grep -o -P '.{0,3}%'| sed s/.$// | tr -d ' ')
+}
+
+function getCurSink {
+    activeSink=$(pacmd list-sinks | awk '/* index:/{print $3}')
+}
+
+function volMuteStatus {
+    isMuted=$(pacmd list-sinks | grep -A 15 "index: $activeSink" | awk '/muted/{ print $2}')
+}
+
+function getSinkInputs {
+    inputArray=$(pacmd list-sink-inputs | grep -B 4 "sink: $1 " | awk '/index:/{print $2}')
+}
+
+function volUp {
+    getCurVol
+    maxLimit=$((MAX_VOL - INC))
+
+    if [ "$curVol" -le "$MAX_VOL" ] && [ "$curVol" -ge "$maxLimit" ]; then
+        pactl set-sink-volume "$activeSink" "$MAX_VOL%"
+    elif [ "$curVol" -lt "$maxLimit" ]; then
+        pactl set-sink-volume "$activeSink" "+$INC%"
+    fi
+
+    getCurVol
+
+    if [ ${OSD} = "yes" ]; then
+        qdbus org.kde.kded /modules/kosd showVolume "$curVol" 0
+    fi
+
+    if [ ${AUTOSYNC} = "yes" ]; then
+        volSync
+    fi
+}
+
+function volDown {
+    pactl set-sink-volume "$activeSink" "-$INC%"
+    getCurVol
+
+    if [ ${OSD} = "yes" ]; then
+        qdbus org.kde.kded /modules/kosd showVolume "$curVol" 0
+    fi
+
+    if [ ${AUTOSYNC} = "yes" ]; then
+        volSync
+    fi
+}
+
+function volSync {
+    getSinkInputs "$activeSink"
+    getCurVol
+
+    for each in $inputArray; do
+        pactl set-sink-input-volume "$each" "$curVol%"
+    done
+}
+
+function volMute {
+    case "$1" in
+        mute)
+            pactl set-sink-mute "$activeSink" 1
+            curVol=0
+            status=1
+            ;;
+        unmute)
+            pactl set-sink-mute "$activeSink" 0
+            getCurVol
+            status=0
+            ;;
+    esac
+
+    if [ ${OSD} = "yes" ]; then
+        qdbus org.kde.kded /modules/kosd showVolume ${curVol} ${status}
+    fi
+
+}
+
+function changeDevice {
+    # Treat pulseaudio sink list to avoid calling pacmd list-sinks twice
+    o_pulseaudio=$(pacmd list-sinks| grep -e 'index' -e 'device.description')
+
+    # Get all sink indices in a list
+    sinks=($(echo "$o_pulseaudio" | grep index | awk -F': ' '{print $2}'))
+
+    # Get present default sink index
+    activeSink=$(echo "$o_pulseaudio" | grep "\* index" | awk -F': ' '{print $2}')
+
+    # Set new sink index, checks that it's not in the blacklist
+    newSink=$activeSink
+
+    # Remove blacklist devices from the sink list
+    sinks=($(comm -23 <(echo "${sinks[@]}" | tr ' ' '\n' | sort) <(echo "${SINK_BLACKLIST[@]}" | tr ' ' '\n' | sort) | tr '\n' ' '))
+
+    # If the resulting list is empty, do nothing
+    if [ -z "${sinks}" ]; then exit; fi
+
+    # If the current sink is greater or equal than last one, pick the first
+    # sink in the list. Otherwise just pick the next sink avaliable.
+    if [ "${activeSink}" -ge "${sinks[-1]}" ]; then
+        newSink=${sinks[0]}
+    else
+        for sink in "${sinks[@]}"; do
+            if [ "${activeSink}" -lt "${sink}" ]; then
+                newSink=$sink
+                break
+            fi
+        done
+    fi
+
+    # The new sink is set
+    pacmd set-default-sink "${newSink}"
+
+    # Move all audio threads to new sink
+    inputs=$(pactl list sink-inputs short | cut -f 1)
+    for i in $inputs; do
+        pacmd move-sink-input "$i" "$newSink"
+    done
+
+    if [ $NOTIFICATIONS = "yes" ]; then
+        sendNotification
+    fi
+}
+
+function sendNotification {
+    o_pulseaudio=$(pacmd list-sinks| grep -e 'index' -e 'device.description')
+    deviceName=$(echo "$o_pulseaudio" | sed -n '/* index/{n;p;}' | grep -o '".*"' | sed 's/"//g')
+    notify-send "Output cycle" "Changed output to ${deviceName}" --icon=audio-headphones-symbolic
+}
+
+function listen {
+    firstrun=0
+
+    pactl subscribe 2>/dev/null | {
+        while true; do
+            {
+                # If this is the first time just continue
+                # and print the current state
+                # Otherwise wait for events
+                # This is to prevent the module being empty until
+                # an event occurs
+                if [ $firstrun -eq 0 ]
+                then
+                    firstrun=1
+                else
+                    read -r event || break
+                    if ! echo "$event" | grep -e "on card" -e "on sink" -e "on server"
+                    then
+                        # Avoid double events
+                        continue
+                    fi
+                fi
+            } &>/dev/null
+            output
+        done
+    }
+}
+
+function output() {
+    if [ -z "$(pgrep pulseaudio)" ]; then echo "Pulseaudio not running"; return 1; fi
+
+    getCurSink
+    getCurVol
+    volMuteStatus
+
+    # Fixed volume icons over max volume
+    iconsLen="${#VOLUME_ICONS[@]}"
+    if [ "$iconsLen" -ne 0 ]; then
+        volSplit=$(( MAX_VOL / iconsLen ))
+        for (( i=1; i<=iconsLen; i++ )); do
+            if (( i*volSplit >= curVol )); then
+                volIcon="${VOLUME_ICONS[$((i-1))]}"
+                break
+            fi
+        done
+    else
+        volIcon=""
+    fi
+
+    # Uses custom sink icon if the array contains one
+    sinksLen=${#CUSTOM_SINK_ICONS[@]}
+    if [ "$activeSink" -le "$((sinksLen - 1))" ]; then
+        sinkIcon=${CUSTOM_SINK_ICONS[$activeSink]}
+    else
+        sinkIcon=$DEFAULT_SINK_ICON
+    fi
+
+    # Showing the formatted message
+    if [ "${isMuted}" = "yes" ]; then
+        echo "${MUTED_COLOR}${MUTED_ICON}${curVol}% ${sinkIcon} ${activeSink}${endColor}"
+    else
+        echo "${volIcon}${curVol}% ${sinkIcon} ${activeSink}"
+    fi
+}
+
+
+getCurSink
+case "$1" in
+    --up)
+        volUp
+        ;;
+    --down)
+        volDown
+        ;;
+    --togmute)
+        volMuteStatus
+        if [ "$isMuted" = "yes" ]
+        then
+            volMute unmute
+        else
+            volMute mute
+        fi
+        ;;
+    --mute)
+        volMute mute
+        ;;
+    --unmute)
+        volMute unmute
+        ;;
+    --sync)
+        volSync
+        ;;
+    --listen)
+        # Listen for changes and immediately create new output for the bar
+        # This is faster than having the script on an interval
+        listen
+        ;;
+    --change)
+        # Changes the audio device
+        changeDevice
+        ;;
+    *)
+        # By default print output for bar
+        output
+        ;;
+esac