working notifications for blc
Not ideal. Requires manual installation of Gtk2::Notify which is no longer packaged by Debian and has broken dependencies. Need to migrate to a better notification library. Migration was initially made to Gtk2::Notify because it allows for replacing the content of an existing notification. No newer libraries appear to support this in Perl. This was the first "substantial" Perl program I've ever written; it may become the first which is re-written in a better supported language.
This commit is contained in:
John Mertz
parent
27ba8ddd90
commit
82fd16e5cb
300
thinkpad/blc.pl
300
thinkpad/blc.pl
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@ -1,5 +1,68 @@
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#!/usr/bin/perl -w
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# TODO: I reworked the argument parsing and broke the formatted output
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# It was terrible in the first place, so rework that too.
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#
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# Work on a `date`-like format like:
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# "+%c/%m = %p\%"
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# %c - Current absolute
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# %m - Maximum absolute value
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# %p - Current percent
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#
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# to output like:
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# 1000/10000 = 10%
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#
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# Create a new array of hashes to classify the ARGV elements, eg:
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# $0 + "+%c" -= 10 +=4 =1 =100 "+%p"
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# [
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# {
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# "action" => "increment",
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# "value" => 1
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# },{
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# "action" => "print",
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# "value" => "+%c"
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# },{
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# "action" => "decrement",
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# "value" => 10
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# },{
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# "action" => "increment",
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# "value" => 4
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# },{
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# "action" => "set",
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# "value" => 1
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# },{
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# "action" => "set",
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# "value" => 100
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# },{
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# "action" => "print",
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# "value" => "+%p"
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# }
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# ]
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#
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# Process all of these in order. Add an option to show/hide action output
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# so you can either get (shown):
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# 100% 100000 90% 94% 1% 100% 100%
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# or (hidden):
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# 100000 100%
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#
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# All of the events would still occur between the output values.
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#
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# Add a delay option between increments and a delay between actions (does not
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# apply to 'print'). This could be used to make a gradual sweep with:
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#
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# --delay-increment=100 --delay-action=0
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#
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# or to blink with:
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#
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# --delay-increment=0 --delay-action=1000
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#
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# With the latter, you could even have the backlight do morse code:
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# clear | S ( . . . ) |pause| O ( _ _ _ ) |pause|
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# =0 =100 =0 =100 =0 =100 =0 =0 =100 =100 =0 =100 =100 =0 =100 =100 =0 =0 ...
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#
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# Perhaps add an argument to repeat indefinitely. This is all getting a bit
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# silly, but kinda fun to think about.
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# Files containing current and max brightness values
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my $cur_file = "/sys/class/backlight/intel_backlight/brightness";
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my $max_file = "/sys/class/backlight/intel_backlight/max_brightness";
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@ -8,12 +71,8 @@ my $last_file = "/home/jpm/.config/blc.last";
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sub to_percent
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{
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my $value = shift;
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if ($value eq "Permission Denied") {
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return $value;
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} else {
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$value = int($value/get_max()*100);
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return $value . '%';
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}
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$value = int($value/get_max()*100);
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return $value . '%';
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}
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sub get_offset
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@ -47,10 +106,9 @@ sub get_min
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sub writable
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{
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if (! -w $cur_file) {
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return 0;
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} else {
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return 1;
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die "You don't have permission to write $cur_file\n";
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}
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return 1;
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}
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sub increment
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@ -66,8 +124,6 @@ sub increment
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print $c $target;
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close $c;
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return $target;
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} else {
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return "Permission Denied";
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}
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}
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@ -84,8 +140,6 @@ sub decrement
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print $c $target;
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close $c;
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return $target;
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} else {
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return "Permission Denied";
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}
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}
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@ -108,8 +162,6 @@ sub set
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}
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}
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return $value;
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} else {
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return "Permission Denied";
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}
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}
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@ -135,9 +187,9 @@ Actions:
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= VALUE Set backlight to specific value. VALUE greater than
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100 will be treated as absolute value. VALUE eqaul to
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or less than 100 will be treated as a percentage
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++ Increment by 1%
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+ Increment by 1%
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+= VALUE Increment by VALUE percent
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-- Decrement by 1%
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- Decrement by 1%
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-= VALUE Decrement by VALUE percent
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Actions corrected to 1% or 100% if over or under. All actions
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@ -187,110 +239,94 @@ Only one \'\\' is removed per block. eg.
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my $current = get_current();
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my (@output, $target, $silent, $notify);
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my $operation_found = 0;
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if (scalar @ARGV) {
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for (my $i=0;$i<scalar @ARGV;$i++) {
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if ($ARGV[$i] eq '++') {
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$target = increment();
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@output = to_percent($target);
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last;
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} elsif ($ARGV[$i] eq '+=') {
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for (my $i=0;$i<scalar @ARGV;$i++) {
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if ($ARGV[$i] eq '+=') {
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if (defined $ARGV[($i+1)]) {
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$count = $ARGV[($i+1)];
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for (my $j=0;$j<$count;$j++) {
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$target = increment();
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if ($target eq
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"Permission Denied") {
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last;
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}
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}
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@output = to_percent($target);
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} else {
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@output =
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("No value after $ARGV[$i]");
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}
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last;
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}
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}
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last;
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} elsif ($ARGV[$i] eq '--') {
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$target = decrement();
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@output = to_percent($target);
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last;
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} elsif ($ARGV[$i] eq '-=') {
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for (my $i=0;$i<scalar @ARGV;$i++) {
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if ($ARGV[$i] eq '-=') {
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if (defined $ARGV[($i+1)]) {
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$count = $ARGV[($i+1)];
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for (my $j=0;$j<$count;$j++) {
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$target = decrement();
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if ($target eq
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"Permission Denied") {
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last;
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}
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}
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@output = to_percent($target);
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} else {
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@output =
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("No value after $ARGV[$i]");
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}
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last;
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}
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}
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last;
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} elsif ($ARGV[$i] eq '=') {
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$target = $ARGV[($i+1)];
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if (defined $target) {
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if ($target < 1) {
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$target = set(get_min());
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} elsif ($target > get_max()) {
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$target = set(get_max());
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} elsif ($target > 100) {
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$target = set($target);
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} else {
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$target = set(
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int((get_max()*$target/100)+1)
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);
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}
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if ($target eq "Permission Denied") {
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@output = $target;
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} else {
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@output = to_percent($target);
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}
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last;
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} else {
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@output = ("No value after $ARGV[$i]");
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last;
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}
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} elsif ($ARGV[$i] eq '%') {
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while ($arg = shift) {
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if ($arg eq '%') {
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push @output,int(get_current()/get_max()*100);
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} elsif ($ARGV[$i] eq '^') {
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} elsif ($arg eq '^') {
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push @output,get_max();
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} elsif ($ARGV[$i] eq '==') {
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} elsif ($arg eq '==') {
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push @output,get_current();
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} elsif ($ARGV[$i] eq '--help') {
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} elsif ($arg eq '--help') {
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help();
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print " (see --HELP).\n\n";
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exit();
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} elsif ($ARGV[$i] eq '--HELP') {
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} elsif ($arg eq '--HELP') {
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help();
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advanced();
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exit();
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} elsif ($ARGV[$i] eq '--silent') {
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$silent = 'TRUE';
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} elsif ($ARGV[$i] =~ /^--notify/) {
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$notify = 'TRUE';
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if ($ARGV[$i] =~ /=[0-9]+$/) {
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$duration = $ARGV[$i];
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} elsif ($arg eq '--silent') {
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$silent = 1;
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} elsif ($arg =~ /^--notify/) {
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$notify = 1;
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if ($arg =~ /=[0-9]+$/) {
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$duration = $arg;
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$duration =~ s/.*=([0-9]+)/$1/;
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} else {
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$duration = 200;
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$duration = 1000;
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}
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} elsif ($arg eq '+') {
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unshift(@ARGV,1);
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unshift(@ARGV,'+=');
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} elsif ($arg =~ /^\+=/) {
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my $offset;
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if ($arg =~ m/^\+=(.+)$/) {
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$offset = $1;
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} else {
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$offset = shift || die "+= without accompanying offset value\n";
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}
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unless ($offset =~ /^\d+$/) {
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die "+= <value> is not a number ($offset)\n";
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}
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for (my $j=0;$j<$offset;$j++) {
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$target = increment();
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@output = to_percent($target);
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}
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$operation_found = 1;
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} elsif ($arg eq '-') {
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unshift(@ARGV,1);
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unshift(@ARGV,'-=');
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} elsif ($arg =~ /^-=/) {
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my $offset;
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if ($arg =~ m/^-=(.+)$/) {
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$offset = $1;
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} else {
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$offset = shift || die "-= without accompanying offset value\n";
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}
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unless ($offset =~ /^\d+$/) {
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die "-= <value> is not a number ($offset)\n";
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}
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for (my $j=0;$j<$offset;$j++) {
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$target = decrement();
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@output = to_percent($target);
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}
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$operation_found = 1;
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} elsif ($arg =~ m/^=/) {
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my $value;
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if ($arg =~ m/^=(.+)$/) {
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$target = $1;
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} else {
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$target = shift || die "= without accompanying absolute value\n";
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}
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unless ($target =~ /^\d+$/) {
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die "= <value> is not a number ($target)\n";
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}
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if ($target < 1) {
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$target = set(get_min());
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} elsif ($target > get_max()) {
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$target = set(get_max());
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} elsif ($target > 100) {
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$target = set($target);
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} else {
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$target = set(
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int((get_max()*$target/100)+1)
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);
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}
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@output = to_percent($target);
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$operation_found = 1;
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} else {
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my $add = $ARGV[$i];
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$add =~ s/\\//;
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push @output,$add;
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push(@output,$arg);
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}
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}
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} else {
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@ -305,29 +341,53 @@ if (scalar @ARGV) {
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);
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}
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open(my $fh,'>',$last_file);
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print $fh get_current();
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close($fh);
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print $_."\n" foreach(@output);
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if ($silent) {
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exit();
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} elsif ($notify) {
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# Don't output anything if the value didn't change
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if ($current == get_current()) {
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exit();
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}
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my $concat;
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my $concat = '';
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foreach (@output) {
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$concat .= $_;
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}
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system "notify-send --urgency=normal -i "
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. "/usr/share/icons/Papirus-Dark-Grey/48x48/status/"
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. "notification-display-brightness.svg -t "
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. $duration
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. ' "'
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. $concat
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. '"';
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#use Desktop::Notify;
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#my $notify = Desktop::Notify->new();
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use Gtk2::Notify -init, "Backlight";
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my $notification = Gtk2::Notify::new('Backlight', $concat, '', "notification-display-brightness");
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#my $notification = $notify->create(
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#'timeout' => $duration,
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#'summary' => "Brightness",
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#'body' => $concat,
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#'hints' => {
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##'urgency' => 'NOTIFY_URGENCY_LOW',
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#'x-canonical-private-synchronous' => 'blc',
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#'value' => (split('%',$concat))[0] || 0
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#}
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#);
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#$notification->show;
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#exit;
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$notification->set_hint_string('x-canonical-private-synchronous','blc');
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$notification->set_urgency('NOTIFY_URGENCY_LOW');
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$notification->set_hint_int32('value',(split('%',$concat))[0]);
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$notification->set_timeout($duration);
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$notification->show();
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exit;
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print "notify-send --urgency=normal"
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. ' --icon="notification-display-brightness"'
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. ' --hint=string:x-canonical-private-synchronous:blc'
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. ' --expire-time=' . $duration
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. ' "Backlight"'
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. ' "' . $concat . " '" . join("','", @output) . "'\"";
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system "notify-send --urgency=normal"
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. ' --icon="notification-display-brightness"'
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. ' --hint=string:x-canonical-private-synchronous:blc'
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. ' --hint=int:value:' . (split('%',$concat))[0]
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. ' --expire-time=' . $duration
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. ' "' . $concat . "\"";
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exit();
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} else {
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print foreach @output;
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