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|
#!/bin/bash
# This prints a character '♫' and the percentage of the actual volume.
# ♫ = E299AB
WITH_ICONS=false
get_percentage() {
full_db=65.25
# -65.25 <= $db <= 0
db=$1
bc <<CALC scale=2
(-$db)/$full_db
CALC
}
get_icon() {
if [ "$volStatus" == "on" ]
then
echo "\fr♫"
else
echo "\f1♫"
fi
}
panel_volume()
{
volStatus=$(amixer get Master | tail -n 1 | cut -d '[' -f 4 | sed 's/].*//g')
volLevel=$(amixer get Master | tail -n 1 | cut -d '[' -f 2 | sed 's/\%].*//g')
if $WITH_ICONS
then
headphone=$(amixer -c 0 contents | grep 'Headphone Jack' -A 2 | tail -n 1 | sed s/.*=//g)
else
headphone=""
fi
if $WITH_ICONS
then
if [ "$volStatus" == "on" ] && [ "$headphone" == "off" ];
then
icon="\fr ⮞"
elif [ "$volStatus" == "on" ] && [ "$headphone" == "on" ];
then
icon="\fr ⮜"
elif [ "$volStatus" == "off" ] && [ "$headphone" == "on" ];
then
icon="\fr ⮜"
elif [ "$volStatus" == "off" ] && [ "$headphone" == "off" ];
then
icon="\fr ⮝"
else
icon="\f1 ⮝"
fi
else
icon=$(get_icon)
fi
case $volLevel in
100)
if [ "$volStatus" == "on" ]
then
echo "$icon" "\fr——————————\fr"
else
echo "$icon" "\f8——————————\fr"
fi
;;
[0-9])
if [ "$volStatus" == "on" ]
then
echo "$icon" "\fr—\f8—————————\fr"
else
echo "$icon" "\f1—\f8—————————\fr"
fi
;;
1[0-9])
if [ "$volStatus" == "on" ]
then
echo "$icon" "\fr——\f8————————\fr"
else
echo "$icon" "\f1——\f8————————\fr"
fi
;;
2[0-9])
if [ "$volStatus" == "on" ]
then
echo "$icon" "\fr———\f8———————\fr"
else
echo "$icon" "\f1———\f8———————\fr"
fi
;;
3[0-9])
if [ "$volStatus" == "on" ]
then
echo "$icon" "\fr————\f8——————\fr"
else
echo "$icon" "\f1————\f8——————\fr"
fi
;;
4[0-9])
if [ "$volStatus" == "on" ]
then
echo "$icon" "\fr—————\f8—————\fr"
else
echo "$icon" "\f1—————\f8—————\fr"
fi
;;
5[0-9])
if [ "$volStatus" == "on" ]
then
echo "$icon" "\fr——————\f8————\fr"
else
echo "$icon" "\f1——————\f8————\fr"
fi
;;
6[0-9])
if [ "$volStatus" == "on" ]
then
echo "$icon" "\fr———————\f8———\fr"
else
echo "$icon" "\f1———————\f8———\fr"
fi
;;
7[0-9])
if [ "$volStatus" == "on" ]
then
echo "$icon" "\fr————————\f8——\fr"
else
echo "$icon" "\f1————————\f8——\fr"
fi
;;
8[0-9])
if [ "$volStatus" == "on" ]
then
echo "$icon" "\fr——————————\f8—\fr"
else
echo "$icon" "\f1——————————\f8—\fr"
fi
;;
9[0-9])
if [ "$volStatus" == "on" ]
then
echo "$icon" "\fr——————————\fr"
else
echo "$icon" "\f1——————————\fr"
fi
;;
esac
}
panel_volume
|
