Adapt statusbar script for swaybar

1 files changed, 65 insertions, 58 deletions

diff --git a/bin/statusbar b/bin/statusbar
index bc74cae..4dfafec 100755
--- a/bin/statusbar
+++ b/bin/statusbar
@@ -1,70 +1,77 @@
-#!/usr/bin/env perl
+#!/bin/sh
 
-use 5.038;
-use utf8;
-
-use Time::Piece;
-
-sub span ($color, $text) {
-	return "<span foreground=\"$color\">$text</span>";
+volume() {
+	volume="$(wpctl get-volume @DEFAULT_AUDIO_SINK@)"
+	volume="$(dc -e "${volume#Volume:\ } 100 * p")"
+	volume="${volume%.*}"
+	if [ "$volume" -eq 0 ]; then
+		symbol=
+	elif [ "$volume" -le 50 ]; then
+		symbol=
+	else
+		symbol=
+	fi
+	printf '%s %d%%' "$symbol" "$volume"
 }
 
-sub volume {
-	my ($volume) = `pactl get-sink-volume \@DEFAULT_SINK@` =~ /\s(\d+)%/;
-	chomp(my $mute = `pactl get-sink-mute \@DEFAULT_SINK@`);
-
-	my $symbol = '';
-	if ($mute eq 'Mute: yes') {
-		$symbol = '󰝟';
-	} elsif ($volume == 0) {
-		$symbol = '';
-	} elsif ($volume <= 50) {
-		$symbol = '';
-	}
-	return span('#ed8796', "$symbol $volume%");
+network() {
+	ssid="$(iwctl station wlan0 get-networks | awk -F'  ' '/>/{print $3}')"
+	if [ -n "$ssid" ]; then
+		printf '󰖩  %s' "$ssid"
+	else
+		printf '󰖪 '
+	fi
 }
 
-sub network {
-	chomp(my $ssid = `iwgetid -r`);
-	my $symbol = $ssid ? '󰖩 ' : '󰖪 ';
-	return span('#f5a97f', "$symbol $ssid");
+brightness() {
+	printf ' %d%%' "$(brightctl)"
 }
 
-sub brightness {
-	my @brightness = split(/,/, `brightnessctl -m`);
-	return span('#eed49f', ' ' . $brightness[3]);
-}
+battery() {
+	cap="$(cat /sys/class/power_supply/BAT0/capacity)"
+	stat="$(cat /sys/class/power_supply/BAT0/status)"
 
-sub battery {
-	open my $cap_file, '<', '/sys/class/power_supply/BAT0/capacity' or die;
-	open my $status_file, '<', '/sys/class/power_supply/BAT0/status' or die;
-	chomp(my $capacity = <$cap_file>);
-	chomp(my $status = <$status_file>);
-	close $status_file;
-	close $cap_file;
-	
-	my $symbol = '󰁹';
-	my $index = ($capacity - 1) / 10;
-	if ($status eq 'Discharging') {
-		my @symbols = (span('#ed8796', '󰂃'), '󰁻', '󰁼', '󰁽', '󰁾', '󰁿', '󰂀', '󰂁', '󰂂', '󰁹');
-		$symbol = $symbols[$index];
-	} elsif ($status eq 'Charging') {
-		my @symbols = ('󰢜', '󰂆', '󰂇', '󰂈', '󰢝', '󰂉', '󰢞', '󰂊', '󰂋', '󰂅');
-		$symbol = $symbols[$index];
-	} elsif ($status eq 'Full') {
-		$symbol = '󰂄';
-	}
-	return span('#a6da95', "$symbol $capacity%");
+	symbol=󰁹
+	index=$(((cap-1)/10+1))
+	case "$stat" in
+		Discharging)
+			symbol="$(printf '󰂃 󰁻 󰁼 󰁽 󰁾 󰁿 󰂀 󰂁 󰂂 󰁹' | cut -d' ' -f$index)"
+			;;
+		Charging)
+			symbol="$(printf '󰢜 󰂆 󰂇 󰂈 󰢝 󰂉 󰢞 󰂊 󰂋 󰂅' | cut -d' ' -f$index)"
+			;;
+		Full)
+			symbol=󰂄
+			;;
+	esac
+	printf '%s %d%%' "$symbol" "$cap"
 }
 
-sub clock {
-	return span('#7dc4e4', ' ' . localtime()->strftime('%b %d %H:%M'));
+clock() {
+	printf ' %s' "$(date '+%b %-d %H:%M:%S')"
 }
 
-while (1) {
-	my $status = join(' | ', volume, network, brightness, battery, clock);
-	$status = span('#cad3f5', $status);
-	say $status;
-	system('somebar', '-c', 'status', $status);
-	sleep 1;
-}
+# Make the volume and brightness sections appear to update more often by
+# heuristically detecting when the user is changing them.
+last_vol=
+last_brt=
+sleep_for=1
+while true; do
+	vol="$(volume)"
+	brt="$(brightness)"
+	if [ "$last_vol" != "$vol" ] || [ "$last_brt" != "$brt" ]; then
+		sleep_for=0.1
+	elif [ ${sleep_for%%.*} != 1 ]; then
+		sleep_for=$((sleep_for+0.1))
+	else
+		sleep_for=1
+	fi
+
+	printf '%s | %s | %s | %s | %s\n' \
+		"$vol" \
+		"$(network)" \
+		"$brt" \
+		"$(battery)" \
+		"$(clock)"
+	sleep $sleep_for
+done