i3blocks: add missing scripts

9 files changed, 734 insertions, 0 deletions

diff --git a/config/i3blocks/scripts/battery2 b/config/i3blocks/scripts/battery2
new file mode 100755
index 0000000..4898d3c
--- /dev/null
+++ b/config/i3blocks/scripts/battery2
@@ -0,0 +1,106 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2016 James Murphy
+# Licensed under the GPL version 2 only
+#
+# A battery indicator blocklet script for i3blocks
+
+from subprocess import check_output
+import os
+import re
+
+config = dict(os.environ)
+status = check_output(['acpi'], universal_newlines=True)
+
+if not status:
+    # stands for no battery found
+    color = config.get("color_10", "red")
+    fulltext = "<span color='{}'><span font='FontAwesome'>\uf00d \uf240</span></span>".format(color)
+    percentleft = 100
+else:
+    # if there is more than one battery in one laptop, the percentage left is
+    # available for each battery separately, although state and remaining
+    # time for overall block is shown in the status of the first battery
+    batteries = status.split("\n")
+    state_batteries=[]
+    commasplitstatus_batteries=[]
+    percentleft_batteries=[]
+    time = ""
+    for battery in batteries:
+        if battery!='':
+            state_batteries.append(battery.split(": ")[1].split(", ")[0])
+            commasplitstatus = battery.split(", ")
+            if not time:
+                time = commasplitstatus[-1].strip()
+                # check if it matches a time
+                time = re.match(r"(\d+):(\d+)", time)
+                if time:
+                    time = ":".join(time.groups())
+                    timeleft = " ({})".format(time)
+                else:
+                    timeleft = ""
+
+            p = int(commasplitstatus[1].rstrip("%\n"))
+            if p>0:
+                percentleft_batteries.append(p)
+            commasplitstatus_batteries.append(commasplitstatus)
+    state = state_batteries[0]
+    commasplitstatus = commasplitstatus_batteries[0]
+    if percentleft_batteries:
+        percentleft = int(sum(percentleft_batteries)/len(percentleft_batteries))
+    else:
+        percentleft = 0
+
+    # stands for charging
+    color = config.get("color_charging", "yellow")
+    FA_LIGHTNING = "<span color='{}'><span font='FontAwesome'>\uf0e7</span></span>".format(color)
+
+    # stands for plugged in
+    FA_PLUG = "<span font='FontAwesome'>\uf1e6</span>"
+
+    # stands for using battery
+    FA_BATTERY = "<span font='FontAwesome'>\uf240</span>"
+
+    # stands for unknown status of battery
+    FA_QUESTION = "<span font='FontAwesome'>\uf128</span>"
+
+
+    if state == "Discharging":
+        fulltext = FA_BATTERY + " "
+    elif state == "Full":
+        fulltext = FA_PLUG + " "
+        timeleft = ""
+    elif state == "Unknown":
+        fulltext = FA_QUESTION + " " + FA_BATTERY + " "
+        timeleft = ""
+    else:
+        fulltext = FA_LIGHTNING + " " + FA_PLUG + " "
+
+    def color(percent):
+        if percent < 10:
+            # exit code 33 will turn background red
+            return config.get("color_10", "#FFFFFF")
+        if percent < 20:
+            return config.get("color_20", "#FF3300")
+        if percent < 30:
+            return config.get("color_30", "#FF6600")
+        if percent < 40:
+            return config.get("color_40", "#FF9900")
+        if percent < 50:
+            return config.get("color_50", "#FFCC00")
+        if percent < 60:
+            return config.get("color_60", "#FFFF00")
+        if percent < 70:
+            return config.get("color_70", "#FFFF33")
+        if percent < 80:
+            return config.get("color_80", "#FFFF66")
+        return config.get("color_full", "#FFFFFF")
+
+    form =  '<span color="{}">{}%</span>'
+    fulltext += form.format(color(percentleft), percentleft)
+    fulltext += timeleft
+
+print(fulltext)
+print(fulltext)
+if percentleft < 10:
+    exit(33)
diff --git a/config/i3blocks/scripts/cpu_usage b/config/i3blocks/scripts/cpu_usage
new file mode 100755
index 0000000..b298a97
--- /dev/null
+++ b/config/i3blocks/scripts/cpu_usage
@@ -0,0 +1,66 @@
+#!/usr/bin/env perl
+#
+# Copyright 2014 Pierre Mavro <deimos@deimos.fr>
+# Copyright 2014 Vivien Didelot <vivien@didelot.org>
+# Copyright 2014 Andreas Guldstrand <andreas.guldstrand@gmail.com>
+#
+# Licensed under the terms of the GNU GPL v3, or any later version.
+
+use strict;
+use warnings;
+use utf8;
+use Getopt::Long;
+
+# default values
+my $t_warn = $ENV{T_WARN} // 50;
+my $t_crit = $ENV{T_CRIT} // 80;
+my $cpu_usage = -1;
+my $decimals = $ENV{DECIMALS} // 2;
+my $label = $ENV{LABEL} // "";
+my $color_normal = $ENV{COLOR_NORMAL} // "#EBDBB2";
+my $color_warn = $ENV{COLOR_WARN} // "#FFFC00";
+my $color_crit = $ENV{COLOR_CRIT} // "#FF0000";
+
+sub help {
+    print "Usage: cpu_usage [-w <warning>] [-c <critical>] [-d <decimals>]\n";
+    print "-w <percent>: warning threshold to become yellow\n";
+    print "-c <percent>: critical threshold to become red\n";
+    print "-d <decimals>:  Use <decimals> decimals for percentage (default is $decimals) \n"; 
+    exit 0;
+}
+
+GetOptions("help|h" => \&help,
+           "w=i"    => \$t_warn,
+           "c=i"    => \$t_crit,
+           "d=i"    => \$decimals,
+);
+
+# Get CPU usage
+$ENV{LC_ALL}="en_US"; # if mpstat is not run under en_US locale, things may break, so make sure it is
+open (MPSTAT, 'mpstat 1 1 |') or die;
+while (<MPSTAT>) {
+    if (/^.*\s+(\d+\.\d+)[\s\x00]?$/) {
+        $cpu_usage = 100 - $1; # 100% - %idle
+        last;
+    }
+}
+close(MPSTAT);
+
+$cpu_usage eq -1 and die 'Can\'t find CPU information';
+
+# Print short_text, full_text
+print "${label}";
+printf "%.${decimals}f%%\n", $cpu_usage;
+print "${label}";
+printf "%.${decimals}f%%\n", $cpu_usage;
+
+# Print color, if needed
+if ($cpu_usage >= $t_crit) {
+    print "${color_crit}\n";
+} elsif ($cpu_usage >= $t_warn) {
+    print "${color_warn}\n";
+} else {
+    print "${color_normal}\n";
+}
+
+exit 0;
diff --git a/config/i3blocks/scripts/disk b/config/i3blocks/scripts/disk
new file mode 100755
index 0000000..9d64cc1
--- /dev/null
+++ b/config/i3blocks/scripts/disk
@@ -0,0 +1,48 @@
+#!/usr/bin/env sh
+# Copyright (C) 2014 Julien Bonjean <julien@bonjean.info>
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+DIR="${DIR:-$BLOCK_INSTANCE}"
+DIR="${DIR:-$HOME}"
+ALERT_LOW="${ALERT_LOW:-$1}"
+ALERT_LOW="${ALERT_LOW:-10}" # color will turn red under this value (default: 10%)
+
+LOCAL_FLAG="-l"
+if [ "$1" = "-n" ] || [ "$2" = "-n" ]; then
+    LOCAL_FLAG=""
+fi
+
+df -h -P $LOCAL_FLAG "$DIR" | awk -v label="$LABEL" -v alert_low=$ALERT_LOW '
+/\/.*/ {
+	# full text
+	print label $4
+
+	# short text
+	print label $4
+
+	use=$5
+
+	# no need to continue parsing
+	exit 0
+}
+
+END {
+	gsub(/%$/,"",use)
+	if (100 - use < alert_low) {
+		# color
+		print "#FF0000"
+	}
+}
+'
diff --git a/config/i3blocks/scripts/memory b/config/i3blocks/scripts/memory
new file mode 100755
index 0000000..fd814e0
--- /dev/null
+++ b/config/i3blocks/scripts/memory
@@ -0,0 +1,73 @@
+#!/usr/bin/env sh
+# Copyright (C) 2014 Julien Bonjean <julien@bonjean.info>
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+TYPE="${BLOCK_INSTANCE:-mem}"
+PERCENT="${PERCENT:-true}"
+
+awk -v type=$TYPE -v percent=$PERCENT '
+/^MemTotal:/ {
+	mem_total=$2
+}
+/^MemFree:/ {
+	mem_free=$2
+}
+/^Buffers:/ {
+	mem_free+=$2
+}
+/^Cached:/ {
+	mem_free+=$2
+}
+/^SwapTotal:/ {
+	swap_total=$2
+}
+/^SwapFree:/ {
+	swap_free=$2
+}
+END {
+	if (type == "swap") {
+		free=swap_free/1024/1024
+		used=(swap_total-swap_free)/1024/1024
+		total=swap_total/1024/1024
+	} else {
+		free=mem_free/1024/1024
+		used=(mem_total-mem_free)/1024/1024
+		total=mem_total/1024/1024
+	}
+
+	pct=0
+	if (total > 0) {
+		pct=used/total*100
+	}
+
+	# full text
+	if (percent == "true" ) {
+		printf("%.1fG/%.1fG (%.f%%)\n", used, total, pct)
+	} else {
+		printf("%.1fG/%.1fG\n", used, total)
+	}
+	# short text
+	printf("%.f%%\n", pct)
+
+	# color
+	if (pct > 90) {
+		print("#FF0000")
+	} else if (pct > 80) {
+		print("#FFAE00")
+	} else if (pct > 70) {
+		print("#FFF600")
+	}
+}
+' /proc/meminfo
diff --git a/config/i3blocks/scripts/ssid b/config/i3blocks/scripts/ssid
new file mode 100755
index 0000000..be92883
--- /dev/null
+++ b/config/i3blocks/scripts/ssid
@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+# Copyright (C) 2020 hseg <gesh@gesh.uni.cx>
+# Copyright (C) 2014 Alexander Keller <github@nycroth.com>
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#------------------------------------------------------------------------
+if [[ -z "$INTERFACE" ]] ; then
+    INTERFACE="${BLOCK_INSTANCE:-wlan0}"
+fi
+#------------------------------------------------------------------------
+
+# As per #36 -- It is transparent: e.g. if the machine has no battery or wireless
+# connection (think desktop), the corresponding block should not be displayed.
+# Similarly, if the wifi interface exists but no connection is active, show
+# nothing
+[[ ! -d /sys/class/net/"${INTERFACE}"/wireless || \
+    "$(cat /sys/class/net/"$INTERFACE"/operstate)" = 'down' ]] && exit
+
+#------------------------------------------------------------------------
+
+SSID=$(iw "$INTERFACE" info | awk '/ssid/ {$1=""; print $0}')
+
+#------------------------------------------------------------------------
+
+echo "$SSID" # full text
+echo "$SSID" # short text
+echo "#00FF00" # color
diff --git a/config/i3blocks/scripts/temperature b/config/i3blocks/scripts/temperature
new file mode 100755
index 0000000..97579fb
--- /dev/null
+++ b/config/i3blocks/scripts/temperature
@@ -0,0 +1,70 @@
+#!/usr/bin/env perl
+# Copyright 2014 Pierre Mavro <deimos@deimos.fr>
+# Copyright 2014 Vivien Didelot <vivien@didelot.org>
+# Copyright 2014 Andreas Guldstrand <andreas.guldstrand@gmail.com>
+# Copyright 2014 Benjamin Chretien <chretien at lirmm dot fr>
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+use strict;
+use warnings;
+use utf8;
+use Getopt::Long;
+
+binmode(STDOUT, ":utf8");
+
+# default values
+my $t_warn = $ENV{T_WARN} || 70;
+my $t_crit = $ENV{T_CRIT} || 90;
+my $chip = $ENV{SENSOR_CHIP} || "";
+my $temperature = -9999;
+
+sub help {
+    print "Usage: temperature [-w <warning>] [-c <critical>] [--chip <chip>]\n";
+    print "-w <percent>: warning threshold to become yellow\n";
+    print "-c <percent>: critical threshold to become red\n";
+    print "--chip <chip>: sensor chip\n";
+    exit 0;
+}
+
+GetOptions("help|h" => \&help,
+           "w=i"    => \$t_warn,
+           "c=i"    => \$t_crit,
+           "chip=s" => \$chip);
+
+# Get chip temperature
+open (SENSORS, "sensors -u $chip 2>/dev/null |") or die;
+while (<SENSORS>) {
+    if (/^\s+temp1_input:\s+[\+]*([\-]*\d+\.\d)/) {
+        $temperature = $1;
+        last;
+    }
+}
+close(SENSORS);
+
+$temperature eq -9999 and die 'Cannot find temperature';
+
+# Print short_text, full_text
+print "$temperature°C\n" x2;
+
+# Print color, if needed
+if ($temperature >= $t_crit) {
+    print "
+	#FF0000\n";
+    exit 33;
+} elsif ($temperature >= $t_warn) {
+    print "#FFFC00\n";
+}
+
+exit 0;
diff --git a/config/i3blocks/scripts/time b/config/i3blocks/scripts/time
new file mode 100755
index 0000000..e552a92
--- /dev/null
+++ b/config/i3blocks/scripts/time
@@ -0,0 +1,101 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+use POSIX qw/strftime/;
+
+my $click   = $ENV{BLOCK_BUTTON} || 0;
+my $format  = $ENV{BLOCK_INSTANCE} || $ENV{STRFTIME_FORMAT} || "%H:%M";
+my $tz_file = shift || $ENV{TZ_FILE} || "$ENV{HOME}/.tz";
+$tz_file = glob($tz_file);
+my $default_tz = get_default_tz();
+
+my $tzones = $ENV{TZONES} || '$DEFAULT_TZ';
+$tzones =~ s/\$DEFAULT_TZ/$default_tz/g;
+my @tz_list = split(/,/, $tzones);
+my @tz_labels = split(/,/, $ENV{TZ_LABELS} || "");
+if (scalar(@tz_list) != scalar(@tz_labels)) {
+    @tz_labels = @tz_list;
+}
+
+my $current_tz;
+if ($click == 1) {
+    $current_tz = get_tz();
+
+    my %tzmap;
+    $tzmap{""} = $tz_list[0];
+    my $prev = $tz_list[0];
+    foreach my $tz (@tz_list) {
+        $tzmap{$prev} = $tz;
+        $prev = $tz;
+    }
+    $tzmap{$prev} = $tz_list[0];
+
+    if (exists $tzmap{$current_tz}) {
+        set_tz($tzmap{$current_tz});
+        $current_tz = $tzmap{$current_tz};
+    }
+}
+
+# How each timezone will be displayed in the bar.
+my %display_map;
+for (my $i=0; $i < scalar(@tz_list); $i++) {
+    $display_map{$tz_list[$i]} = $tz_labels[$i];
+}
+
+if (!defined $current_tz) {
+    $current_tz = get_tz();
+    set_tz($current_tz);
+}
+$ENV{TZ} = $current_tz;
+my $tz_display = "";
+if (!exists $display_map{$ENV{TZ}}) {
+    $ENV{TZ} = $tz_list[0];
+    set_tz($tz_list[0]);
+}
+$tz_display = $display_map{$ENV{TZ}};
+
+binmode(STDOUT, ":utf8");
+my $time = strftime($format, localtime());
+if ($tz_display eq "") {
+    print "$time\n";
+} else {
+    print "$time ($tz_display)\n";
+}
+
+sub get_tz {
+    my $current_tz;
+
+    if (-f $tz_file) {
+        open my $fh, '<', $tz_file || die "Couldn't open file: $tz_file";
+        $current_tz = <$fh>;
+        chomp $current_tz;
+        close $fh;
+    }
+
+    return $current_tz || get_default_tz();
+}
+
+sub set_tz {
+    my $tz = shift;
+
+    open my $fh, '>', $tz_file || die "Couldn't open file: $tz_file";
+    print $fh $tz;
+    close $fh;
+}
+
+sub get_default_tz {
+    my $tz = "Europe/London";
+
+    if (-f "/etc/timezone") {
+        open my $fh, '<', "/etc/timezone" || die "Couldn't open file: /etc/timezone";
+        $tz = <$fh>;
+        chomp $tz;
+        close $fh;
+    } elsif (-l "/etc/localtime") {
+        $tz = readlink "/etc/localtime";
+        $tz = (split /zoneinfo\//, $tz)[-1];
+    }
+
+    return $tz;
+}
diff --git a/config/i3blocks/scripts/volume-pipewire b/config/i3blocks/scripts/volume-pipewire
new file mode 100755
index 0000000..bc7da69
--- /dev/null
+++ b/config/i3blocks/scripts/volume-pipewire
@@ -0,0 +1,172 @@
+#!/bin/bash
+# Displays the default device, volume, and mute status for i3blocks
+
+set -a
+
+AUDIO_HIGH_SYMBOL=${AUDIO_HIGH_SYMBOL:-'  '}
+
+AUDIO_MED_THRESH=${AUDIO_MED_THRESH:-50}
+AUDIO_MED_SYMBOL=${AUDIO_MED_SYMBOL:-'  '}
+
+AUDIO_LOW_THRESH=${AUDIO_LOW_THRESH:-0}
+AUDIO_LOW_SYMBOL=${AUDIO_LOW_SYMBOL:-'  '}
+
+AUDIO_MUTED_SYMBOL=${AUDIO_MUTED_SYMBOL:-'  '}
+
+AUDIO_DELTA=${AUDIO_DELTA:-5}
+
+DEFAULT_COLOR=${DEFAULT_COLOR:-"#ffffff"}
+MUTED_COLOR=${MUTED_COLOR:-"#a0a0a0"}
+
+LONG_FORMAT=${LONG_FORMAT:-'${SYMB} ${VOL}% [${INDEX}:${NAME}]'}
+SHORT_FORMAT=${SHORT_FORMAT:-'${SYMB} ${VOL}% [${INDEX}]'}
+USE_ALSA_NAME=${USE_ALSA_NAME:-0}
+USE_DESCRIPTION=${USE_DESCRIPTION:-0}
+
+SUBSCRIBE=${SUBSCRIBE:-0}
+
+MIXER=${MIXER:-""}
+SCONTROL=${SCONTROL:-""}
+
+while getopts F:Sf:adH:M:L:X:T:t:C:c:i:m:s:h opt; do
+    case "$opt" in
+        S) SUBSCRIBE=1 ;;
+        F) LONG_FORMAT="$OPTARG" ;;
+        f) SHORT_FORMAT="$OPTARG" ;;
+        a) USE_ALSA_NAME=1 ;;
+        d) USE_DESCRIPTION=1 ;;
+        H) AUDIO_HIGH_SYMBOL="$OPTARG" ;;
+        M) AUDIO_MED_SYMBOL="$OPTARG" ;;
+        L) AUDIO_LOW_SYMBOL="$OPTARG" ;;
+        X) AUDIO_MUTED_SYMBOL="$OPTARG" ;;
+        T) AUDIO_MED_THRESH="$OPTARG" ;;
+        t) AUDIO_LOW_THRESH="$OPTARG" ;;
+        C) DEFAULT_COLOR="$OPTARG" ;;
+        c) MUTED_COLOR="$OPTARG" ;;
+        i) AUDIO_INTERVAL="$OPTARG" ;;
+        m) MIXER="$OPTARG" ;;
+        s) SCONTROL="$OPTARG" ;;
+        h) printf \
+"Usage: volume-pulseaudio [-S] [-F format] [-f format] [-p] [-a|-d] [-H symb] [-M symb]
+        [-L symb] [-X symb] [-T thresh] [-t thresh] [-C color] [-c color] [-i inter] 
+        [-m mixer] [-s scontrol] [-h]
+Options:
+-F, -f\tOutput format (-F long format, -f short format) to use, with exposed variables:
+\${SYMB}, \${VOL}, \${INDEX}, \${NAME}
+-S\tSubscribe to volume events (requires persistent block, always uses long format)
+-a\tUse ALSA name if possible
+-d\tUse device description instead of name if possible
+-H\tSymbol to use when audio level is high. Default: '$AUDIO_HIGH_SYMBOL'
+-M\tSymbol to use when audio level is medium. Default: '$AUDIO_MED_SYMBOL'
+-L\tSymbol to use when audio level is low. Default: '$AUDIO_LOW_SYMBOL'
+-X\tSymbol to use when audio is muted. Default: '$AUDIO_MUTED_SYMBOL'
+-T\tThreshold for medium audio level. Default: $AUDIO_MED_THRESH
+-t\tThreshold for low audio level. Default: $AUDIO_LOW_THRESH
+-C\tColor for non-muted audio. Default: $DEFAULT_COLOR
+-c\tColor for muted audio. Default: $MUTED_COLOR
+-i\tInterval size of volume increase/decrease. Default: $AUDIO_DELTA
+-m\tUse the given mixer.
+-s\tUse the given scontrol.
+-h\tShow this help text
+" && exit 0;;
+    esac
+done
+
+if [[ -z "$MIXER" ]] ; then
+    MIXER="default"
+    if amixer -D pulse info >/dev/null 2>&1 ; then
+        MIXER="pulse"
+    fi
+fi
+
+if [[ -z "$SCONTROL" ]] ; then
+    SCONTROL=$(amixer -D "$MIXER" scontrols | sed -n "s/Simple mixer control '\([^']*\)',0/\1/p" | head -n1)
+fi
+
+CAPABILITY=$(amixer -D $MIXER get $SCONTROL | sed -n "s/  Capabilities:.*cvolume.*/Capture/p")
+
+
+function move_sinks_to_new_default {
+    DEFAULT_SINK=$1
+    pactl list sink-inputs | grep 'Sink Input #' | grep -o '[0-9]\+' | while read SINK
+    do
+        pactl move-sink-input $SINK $DEFAULT_SINK
+    done
+}
+
+function set_default_playback_device_next {
+    inc=${1:-1}
+    num_devices=$(pactl list sinks | grep -c Name:)
+    sink_arr=($(pactl list sinks | grep Name: | sed -r 's/\s+Name: (.+)/\1/'))
+    default_sink=$(pactl get-default-sink)
+    default_sink_index=$(for i in "${!sink_arr[@]}"; do if [[ "$default_sink" = "${sink_arr[$i]}" ]]; then echo "$i"; fi done)
+    default_sink_index=$(( ($default_sink_index + $num_devices + $inc) % $num_devices ))
+    default_sink=${sink_arr[$default_sink_index]}
+    pactl set-default-sink $default_sink
+    move_sinks_to_new_default $default_sink
+}
+
+case "$BLOCK_BUTTON" in
+    1) set_default_playback_device_next ;;
+    2) amixer -q -D $MIXER sset $SCONTROL $CAPABILITY toggle ;;
+    3) set_default_playback_device_next -1 ;;
+    4) amixer -q -D $MIXER sset $SCONTROL $CAPABILITY $AUDIO_DELTA%+ ;;
+    5) amixer -q -D $MIXER sset $SCONTROL $CAPABILITY $AUDIO_DELTA%- ;;
+esac
+
+function print_format {
+    echo "$1" | envsubst '${SYMB}${VOL}${INDEX}${NAME}'
+}
+
+function print_block {
+    ACTIVE=$(pactl list sinks  | grep "State\: RUNNING" -B4 -A55 | grep "Name:\|Volume: \(front-left\|mono\)\|Mute:\|api.alsa.pcm.card = \|node.nick = ")
+    for Name in NAME MUTED VOL INDEX NICK; do
+        read $Name
+    done < <(echo "$ACTIVE")
+    INDEX=$(echo "$INDEX"  | grep -o '".*"' | sed 's/"//g')
+    VOL=$(echo "$VOL" | grep -o "[0-9]*%" | head -1 )
+    VOL="${VOL%?}"
+    NAME=$(echo "$NICK" | grep -o '".*"' | sed 's/"//g')
+
+    if [[ $USE_ALSA_NAME == 1 ]] ; then
+        ALSA_NAME=$(pactl list sinks |\
+awk '/^\s*\*/{f=1}/^\s*index:/{f=0}f' |\
+grep "alsa.name\|alsa.mixer_name" |\
+head -n1 |\
+sed 's/.*= "\(.*\)".*/\1/')
+        NAME=${ALSA_NAME:-$NAME}
+    elif [[ $USE_DESCRIPTION == 1 ]] ; then
+        DESCRIPTION=$(pactl list sinks  | grep "State\: RUNNING" -B4 -A55 | grep 'Description: ' | sed 's/^.*: //')
+        NAME=${DESCRIPTION:-$NAME}
+    fi
+
+    if [[ $MUTED =~ "no" ]] ; then
+        SYMB=$AUDIO_HIGH_SYMBOL
+        [[ $VOL -le $AUDIO_MED_THRESH ]] && SYMB=$AUDIO_MED_SYMBOL
+        [[ $VOL -le $AUDIO_LOW_THRESH ]] && SYMB=$AUDIO_LOW_SYMBOL
+        COLOR=$DEFAULT_COLOR
+    else
+        SYMB=$AUDIO_MUTED_SYMBOL
+        COLOR=$MUTED_COLOR
+    fi
+
+    if [[ $ACTIVE = "" ]] ; then
+        echo "Sound inactive"
+        COLOR='#222225'
+    fi
+
+    if [[ $SUBSCRIBE == 1 ]] ; then
+        print_format "$LONG_FORMAT"
+    else
+        print_format "$LONG_FORMAT"
+        print_format "$SHORT_FORMAT"
+        echo "$COLOR"
+    fi
+}
+
+print_block
+if [[ $SUBSCRIBE == 1 ]] ; then
+    while read -r EVENT; do
+        print_block
+    done < <(pactl subscribe | stdbuf -oL grep change)
+fi
diff --git a/config/i3blocks/scripts/wifi b/config/i3blocks/scripts/wifi
new file mode 100755
index 0000000..258ac8c
--- /dev/null
+++ b/config/i3blocks/scripts/wifi
@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+# Copyright (C) 2014 Alexander Keller <github@nycroth.com>
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#------------------------------------------------------------------------
+if [[ -z "$INTERFACE" ]] ; then
+    INTERFACE="${BLOCK_INSTANCE:-wlan0}"
+fi
+#------------------------------------------------------------------------
+
+COLOR_GE80=${COLOR_GE80:-#00FF00}
+COLOR_GE60=${COLOR_GE60:-#FFF600}
+COLOR_GE40=${COLOR_GE40:-#FFAE00}
+COLOR_LOWR=${COLOR_LOWR:-#FF0000}
+COLOR_DOWN=${COLOR_DOWN:-#FF0000}
+
+# As per #36 -- It is transparent: e.g. if the machine has no battery or wireless
+# connection (think desktop), the corresponding block should not be displayed.
+[[ ! -d /sys/class/net/${INTERFACE}/wireless ]] && exit
+
+# If the wifi interface exists but no connection is active, "down" shall be displayed.
+if [[ "$(cat /sys/class/net/$INTERFACE/operstate)" = 'down' ]]; then
+    echo "down"
+    echo "down"
+    echo $COLOR_DOWN
+    exit
+fi
+
+#------------------------------------------------------------------------
+
+QUALITY=$(iw dev ${INTERFACE} link | grep 'dBm$' | grep -Eoe '-[0-9]{2}' | awk '{print  ($1 > -50 ? 100 :($1 < -100 ? 0 : ($1+100)*2))}')
+
+#------------------------------------------------------------------------
+
+echo $QUALITY% # full text
+echo $QUALITY% # short text
+
+# color
+if [[ $QUALITY -ge 80 ]]; then
+    echo $COLOR_GE80
+elif [[ $QUALITY -ge 60 ]]; then
+    echo $COLOR_GE60
+elif [[ $QUALITY -ge 40 ]]; then
+    echo $COLOR_GE40
+else
+    echo $COLOR_LOWR
+fi