--- trunk/dwm-status.pl	2007/05/27 19:31:52	37
+++ trunk/dwm-status.pl	2008/07/22 01:15:19	80
@@ -16,11 +16,13 @@
 my $disk_blk_size = 512;
 
 my $debug = shift @ARGV;
+my $awesome = 1;
 
 $|=1;
 
 sub proc2hash {
 	my $f = shift;
+	return unless -f $f;
 	open(my $fh, '<', $f) || die "can't open $f: $!";
 	my $h;
 	while(<$fh>) {
@@ -29,10 +31,42 @@
 		$value =~ s/ m[VW]h*$//;
 		$h->{$key} = $value;
 	}
-	warn dump( $h ) if ( $debug );
+	warn "$f ",dump( $h ) if ( $debug );
 	return $h;
 }
 
+my $proc_acpi_battery;
+sub find_proc_acpi {
+	my ( $path, $check ) = @_;
+
+	if ( -e "/proc/acpi/$path" ) {
+		opendir(my $items, "/proc/acpi/$path") || die "can't open /proc/acpi/$path: $!";
+		foreach my $item ( readdir( $items ) ) {
+			$check->( $item ) && last;
+		}
+	}
+}
+
+my $proc_acpi_thermal_zone_temperature;
+find_proc_acpi('thermal_zone', sub {
+	my $thm = shift;
+	return if ( ! -e "/proc/acpi/thermal_zone/$thm/temperature" );
+	warn "# using thermal zone $thm\n" if ( $debug );
+	$proc_acpi_thermal_zone_temperature = "/proc/acpi/thermal_zone/$thm/temperature";
+});
+
+find_proc_acpi('battery', sub {
+	my $bat = shift;
+	return unless $bat =~ /\w+/;
+
+	warn "# testing battery $bat\n" if ( $debug );
+
+	if ( proc2hash( "/proc/acpi/battery/$bat/info" )->{present} eq 'yes' ) {
+		$proc_acpi_battery = "/proc/acpi/battery/$bat";
+		warn "using $proc_acpi_battery to monitor battery\n";
+	}
+});
+
 sub unit {
 	my $v = shift;
 
@@ -41,7 +75,7 @@
 	my @units = qw/b k M G/;
 	my $o = 0;
 
-	while ( ( $v / 1024 ) >= 1 ) {
+	while ( ( $v / 10000 ) >= 1 ) {
 		$o++;
 		$v /= 1024;
 	}
@@ -57,39 +91,53 @@
 
 my ( $lrx, $ltx ) = ( 0, 0 );
 my ( $ld_r, $ld_w ) = ( 0, 0 );
-my $bat;
+my $bat = '';
 
 my $i = 0;
+my $sys_fs = '/sys/class/power_supply/BAT0';
+
+sub read_file {
+	my $path = shift;
+	open(my $fh, '<', $path) || die "can't open $path: $!";
+	my $c = <$fh>;
+	chomp($c);
+	close($fh);
+	return $c;
+}
 
 while ( 1 ) {
 	my $s = strftime("%Y-%m-%d %H:%M:%S", localtime());
 
 	if ( $i % $acpi_every == 0 ) {
+		if ( $proc_acpi_battery ) {
 
-		my $state = proc2hash( '/proc/acpi/battery/BAT0/state' );
-
-		if ( $state->{'present rate'} != 0 ) {
-			my $info = proc2hash( '/proc/acpi/battery/BAT0/info' );
+			my $state = proc2hash( "$proc_acpi_battery/state" );
 
-			my $pcnt = $state->{'remaining capacity'} / $info->{'design capacity'};
+			if ( $state->{'present rate'} =~ m/^\d+$/ && $state->{'present rate'} != 0 ) {
+				my $info = proc2hash( "$proc_acpi_battery/info" );
 
-			my $time = $state->{'remaining capacity'} / ( $state->{'present rate'} );
+				my $pcnt = $state->{'remaining capacity'} / $info->{'design capacity'};
 
-			warn "time = $time\n" if ($debug);
+				my $time = $state->{'remaining capacity'} / ( $state->{'present rate'} );
+				$time = ( $info->{'design capacity'} - $state->{'remaining capacity'} ) / $state->{'present rate'} if ( $state->{'charging state'} eq 'charging' );
 
-			my $hh = int( $time );
-			my $mm = int( ( $time - $hh ) * 60 );
-			my $ss = ( $time * 3600 ) % 60;
+				warn "time = $time\n" if ($debug);
 
-			$bat = sprintf("%s %2d%% %02d:%02d:%02d %3.1fW!| ",
-				substr($state->{'charging state'},0,1),
-				$pcnt * 100, $hh, $mm, $ss,
-				$state->{'present rate'} / 1000
-			);
+				my $hh = int( $time );
+				my $mm = int( ( $time - $hh ) * 60 );
+				my $ss = ( $time * 3600 ) % 60;
 
-			} else {
-				$bat = '';
+				$bat = sprintf("%s %2d%% %02d:%02d:%02d %3.1fW!| ",
+					substr($state->{'charging state'},0,1),
+					$pcnt * 100, $hh, $mm, $ss,
+					$state->{'present rate'} / 1000
+				);
 			}
+		} elsif ( -e $sys_fs ) {
+			my $full = read_file( "$sys_fs/charge_full" );
+			my $now = read_file( "$sys_fs/charge_now" );
+			$bat = sprintf("%2d%% | ", $now * 100 / $full );
+		}
 	} else {
 		$bat =~ s/!(\|\s)$/ $1/;
 	}
@@ -99,9 +147,12 @@
 	chomp( $load );
 	$load =~ s!\s\d+/\d+.*!!;
 
-	my $temp = read_file('/proc/acpi/thermal_zone/THM0/temperature');
-	chomp( $temp );
-	$temp =~ s!^.*:\s+!!;
+	my $temp = '';
+	if ( $proc_acpi_thermal_zone_temperature ) {
+		$temp = read_file( $proc_acpi_thermal_zone_temperature );
+		chomp( $temp );
+		$temp =~ s!^.*:\s+!!;
+	}
 
 	my $net = read_file('/proc/net/dev');
 	my ( $rx, $tx ) = ( 0,0 );
@@ -140,7 +191,7 @@
 	my $d_write = ( $d_w - $ld_w ) / $dt;
 	( $ld_r, $ld_w ) = ( $d_r, $d_w );
 
-	printf("%s | %s |%5s D %-5s|%5s > %-5s| %s%s\n",
+	my $out = sprintf("%s | %s |%5s D %-5s|%5s > %-5s| %s%s\n",
 		$s,
 		$load,
 		unit( $d_read ), unit( $d_write ),
@@ -148,6 +199,13 @@
 		$bat, $temp,
 	);
 
+	print $out;
+	if ( $awesome ) {
+		open(my $fh, '|-', 'awesome-client') || die "can't pipe to awesome-client: $!";
+		print $fh "0 widget_tell mystatusbar dwm-status text $out\n";
+		close($fh);
+	}
+
 	sleep $dt;
 }