Пост #276401

From 57443672e78c330244cbbe70166c42c050f9037b Mon Sep 17 00:00:00 2001
From: Nikita Zlobin <cook60020tmp@mail.ru>
Date: Mon, 29 Jul 2024 15:59:16 +0500
Subject: [PATCH 1/8] Update version in about dialog

---
 volwheel | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/volwheel b/volwheel
index 6db957b..6021c8c 100755
--- a/volwheel
+++ b/volwheel
@@ -28,7 +28,7 @@ use ConfDialog;
 use MiniMixer;
 
 use constant APPNAME => "VolWheel";
-use constant VERSION => "0.2.8"; # 2010-08-01
+use constant VERSION => "0.2.9"; # 2018-10-05
 
 use constant INTRVAL => 0.18;    # Lower this variable if you find volwheel
                                  # not reactive enough. This will consume
-- 
2.44.2


From fe0977ddc15a8a330449443328faedffd4882594 Mon Sep 17 00:00:00 2001
From: Nikita Zlobin <cook60020tmp@mail.ru>
Date: Wed, 17 Jul 2024 20:33:13 +0500
Subject: [PATCH 2/8] Optimized alsa backend (requires amixer fix)

Amixer supports two modes for efficient alsa operation:
- sevents command to monitor outside changes.
- stdin mode to both set volume and get current volume
(with noop sset request like "sset Master 0+").

However amixer must be fixed to not ignore outside alsa events
(from other alsa volume control applications).
---
 ChangeLog    |   3 +
 TODO         |   1 -
 lib/Alsa.pm  | 203 ++++++++++++++++++++++++++++++++++++++-------------
 lib/OSS.pm   |   2 +
 lib/Scale.pm |   4 +-
 volwheel     |  38 +++++-----
 6 files changed, 182 insertions(+), 69 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 3fb0de3..1cad3b6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+ 2024-07-17 - master
+ * Optimized Alsa backend
+
 2018-10-05 - v0.2.9
  * Back from the grave, import to github
  * Updated README
diff --git a/TODO b/TODO
index 3c3b759..fd68669 100644
--- a/TODO
+++ b/TODO
@@ -1,3 +1,2 @@
 + Add configurable mouse bindings
-+ Optimize Alsa backend
 + use drop-down menus instead of input-text
diff --git a/lib/Alsa.pm b/lib/Alsa.pm
index e20d46d..2bcce3e 100644
--- a/lib/Alsa.pm
+++ b/lib/Alsa.pm
@@ -17,72 +17,176 @@ package Alsa;
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 use strict;
+use IPC::Open2;
+
+our $intrval = 0;
+
+my ($i_dirty, $i_pswitch, $i_vol, $i_muted) = (0,1,2,3);
+my (%channels, $channel);
+my ($info_pid, $info_fh, $ctl_fh);
+my ($ev_pid, $ev_fh, $ev_cb, $ev_skip);
+
+sub init {
+	($ev_cb, $channel) = @_;
+
+	$ev_pid   = open  $ev_fh,   '-|',    'stdbuf', '-oL', 'amixer', 'sevents';
+	$info_pid = open2 $info_fh, $ctl_fh, 'stdbuf', '-oL', 'amixer', '--stdin';
+	$info_fh->blocking(0);
+	$ctl_fh->autoflush(1);
+	$ev_fh->blocking(0);
+
+	return $ev_fh;
+}
+
+sub deinit {
+	kill 'TERM', $ev_pid, $info_pid;
+	close $ctl_fh;
+	close $ev_fh;
+	close $info_fh
+}
+
+sub on_event {
+	my $flag = 0;
+
+	while (defined sysread $ev_fh, my $buf, 2048) {
+		my $accum .= $buf;
+		while ($accum =~ s/(.*)\n//o)
+		{
+			$_ = $1;
+			last if not defined;
+			if (/^event value: '([^']*)',(\d+)/) {
+				if ($ev_skip) {
+					$ev_skip--;
+					next;
+				}
+				$flag = 1 if $1 eq $channel;
+				$channels{ $2 ? "$1,$2" : $1 }->[ $i_dirty ] = 1;
+			}
+			elsif (/^event add: '([^']*)',(\d+)/) {
+				$channels{ $2 ? "$1,$2" : $1 } = [ 1, 0, 0, 0 ];
+			}
+		}
+	}
+	if ($flag) {
+		print $ctl_fh "sset $channel 0+\n";
+		on_event_info();
+		${ev_cb}->();
+	}
+
+	return 1;
+}
+
+sub on_event_info {
+	my ($stage, $chref);
+
+	(my $rfd_ref) = (my $rfd) = '';
+	vec( $rfd_ref, fileno $info_fh, 1) = 1;
+	0 until (select( $rfd = $rfd_ref, undef, undef, undef) != -1);
+
+	while (defined sysread $info_fh, my $buf, 2048) {
+		my $accum .= $buf;
+		while ($accum =~ s/^(.*\n)//o)
+		{
+			$_ = $1;
+			if ($stage == 0) {
+				next if !/^Simple mixer control '([^']*)',(\d+)/o;
+				$chref = $channels{ $2 ? "$1,$2" : $1 };
+				$chref->[$i_dirty] = 0;
+				$stage++;
+				next;
+			}
+			if ($stage == 1) {
+				next if !/^\s*Capabilities:/gco;
+				$chref->[$i_pswitch] = 1 if /\bpswitch\b/;
+				$stage++;
+				next;
+			}
+			if ($stage == 2) {
+				next if !/%/;
+				if ( /\[(\d+)%\].*\[(o(?:n|ff))\]/go ) {
+					$chref->[$i_vol] = $1;
+					$chref->[$i_muted]
+						= $2 eq 'off' ? 1 # real mute
+						: $1 == 0     ? 2 # fake mute
+						: 0;              # normal
+				}
+				$stage = 0;
+				next;
+			}
+		}
+	}
+}
 
 sub volume {
-
 	my $channel = shift;
+	my $chref = $channels{ $channel };
 
-	my $volume = `amixer get "$channel" | grep -m1 %`;
-	$volume =~ /^.*\[([0-9]*)%.*$/;
-	return $1;
-
+	if ($chref->[$i_dirty]) {
+		print $ctl_fh "sset $channel 0+\n";
+		on_event_info();
+	}
+	return $chref->[$i_vol];
 }
 
 
 sub is_muted {
-
 	my $channel = shift;
+	my $chref = $channels{ $channel };
 
-	if (`amixer get "$channel" | grep off` ne "") {
-		return (1); # real mute
+	if ($chref->[$i_dirty]) {
+		print $ctl_fh "sset $channel 0+\n";
+		on_event_info();
 	}
-	elsif ( volume($channel) == 0 ) {
-		return (2); # fake mute
-	}
-	else {
-		return (0); # normal
-	}
-
+	return ($chref->[$i_muted]);
 }
 
 
 # Returns both the volume and if muted
 sub status {
-
 	my $channel = shift;
+	my $chref = $channels{ $channel };
 
-	my $volume = volume($channel);
-
-	if (`amixer get "$channel" | grep off` ne "") {
-		return (1, $volume); # real mute
+	if ($chref->[$i_dirty]) {
+		print $ctl_fh "sset $channel 0+\n";
+		on_event_info();
 	}
-	elsif ( $volume == 0 ) {
-		return (1, $volume); # fake mute
-	}
-	else {
-		return (0, $volume); # normal
-	}
-
+	my ($volume, $muted) = (
+		$chref->[$i_vol],
+		$chref->[$i_muted],
+	);
+	return ($muted || $volume == 0, $volume);
 }
 
 
 sub mute {
 
 	my $channel = shift;
+	my $chref = $channels{ $channel };
 
-	my ($muted, $volume) = status($channel);
+	if ($chref->[$i_dirty]) {
+		print $ctl_fh "sset $channel 0+\n";
+		on_event_info();
+	}
+	my ($muted, $volume, $pswitch) = (
+		$chref->[$i_muted],
+		$chref->[$i_vol],
+		$chref->[$i_pswitch],
+	);
 
 	# We can't mute if it's already muted !
 	if ($muted) { return -1 }
 
-	if (`amixer get "$channel" | grep pswitch` ne "") {
+	$ev_skip++;
+	if ($pswitch) {
 		# The channel pswitch and thus we can do a real mute
-		system "amixer set \"$channel\" toggle > /dev/null";
+		print $ctl_fh "set $channel toggle\n";
 	}
 	else {
 		# Fake mute
-		system "amixer set \"$channel\" 100%- > /dev/null";
+		print $ctl_fh "set $channel 0%\n";
 	}
+	on_event_info();
+	${ev_cb}->();
 
 	return $volume;
 
@@ -96,14 +200,18 @@ sub unmute {
 	my $muted = is_muted($channel);
 
 	if ($muted == 1) {
-		system "amixer set \"$channel\" toggle > /dev/null";
+		$ev_skip++;
+		print $ctl_fh "set $channel toggle\n";
 	}
 	elsif ($muted == 2) {
-		system "amixer set \"$channel\" $old_volume%+ > /dev/null";
+		$ev_skip++;
+		print $ctl_fh "set $channel $old_volume%\n";
 	}
 	else {
 		return -1; # The channel is not muted !
 	}
+	on_event_info();
+	${ev_cb}->();
 
 }
 
@@ -111,7 +219,10 @@ sub unmute {
 sub volume_up {
 
 	my ($channel, $increment) = @_;
-	system "amixer set \"$channel\" $increment%+ > /dev/null";
+	$ev_skip++;
+	print $ctl_fh "set $channel $increment%+\n";
+	on_event_info();
+	${ev_cb}->();
 
 }
 
@@ -119,7 +230,10 @@ sub volume_up {
 sub volume_down {
 
 	my ($channel, $increment) = @_;
-	system "amixer set \"$channel\" $increment%- > /dev/null";
+	$ev_skip++;
+	print $ctl_fh "set $channel $increment%-\n";
+	on_event_info();
+	${ev_cb}->();
 
 }
 
@@ -128,25 +242,16 @@ sub set_volume {
 	my ($channel, $value) = @_;
 
 	unmute($channel, 0);
-	system("amixer set \"$channel\" $value% > /dev/null");
+	$ev_skip++;
+	print $ctl_fh "set $channel $value%\n";
+	on_event_info();
+	${ev_cb}->();
 
 }
 
 
 sub get_channels {
-
-	my @text = `amixer scontrols`;
-	my @channels;
-
-	foreach my $line (@text) {
-		$line =~ /^.*'(.*)',(\d)$/;
-		my $chan = $1;
-		if ($2 != 0) { $chan .= ",$2"; }
-		push (@channels,$chan);
-	}
-
-	return @channels;
-
+	return sort keys %channels;
 }
 
 1;
diff --git a/lib/OSS.pm b/lib/OSS.pm
index 8f662a7..e135691 100644
--- a/lib/OSS.pm
+++ b/lib/OSS.pm
@@ -20,6 +20,8 @@ package OSS;
 
 use strict;
 
+our $intrval = 0.15;
+
 sub volume {
 
 	my $channel = shift;
diff --git a/lib/Scale.pm b/lib/Scale.pm
index 0522f6c..e7fee93 100644
--- a/lib/Scale.pm
+++ b/lib/Scale.pm
@@ -36,12 +36,12 @@ sub new {
 	$self->{_scale}->set_value(main::get_volume($self->{_channel}));
 	$self->{_scale}->signal_connect('value-changed' => sub {
 					#print("interval: " . tv_interval($self->{_tv}) . "\n");
-					if (tv_interval($self->{_tv}) < $::intrval) { return; }
+					if ($::intrval && tv_interval($self->{_tv}) < $::intrval) { return; }
 					main::set_volume( $self->{_scale}->get_value, $self->{_channel} );
 					if ($self->{_channel} eq $::opt->channel) {
 						main::update_icon();
 					}
-					$self->{_tv} = [ gettimeofday ];
+					$self->{_tv} = [ gettimeofday ] if $::intrval;
 					});
 
 	$self->add($self->{_scale});
diff --git a/volwheel b/volwheel
index 6021c8c..9093443 100755
--- a/volwheel
+++ b/volwheel
@@ -30,17 +30,18 @@ use MiniMixer;
 use constant APPNAME => "VolWheel";
 use constant VERSION => "0.2.9"; # 2018-10-05
 
-use constant INTRVAL => 0.18;    # Lower this variable if you find volwheel
-                                 # not reactive enough. This will consume
-                                 # more CPU though.
-
 # M A I N #
 
 our $prefix = "/usr/local";
-our $intrval = INTRVAL;
+our $intrval;
 
 our $opt = Conf->new;
     $opt->read_conf;
+{
+	no strict 'refs';
+	my $driver = $opt->driver;
+	$intrval = ${"${driver}::intrval"};
+}
 
 my $multiplicator = 1;
 
@@ -62,15 +63,21 @@ my $icon = Gtk2::StatusIcon->new;
    $icon->signal_connect('button_release_event', \&click_handler);
    $icon->signal_connect('popup-menu', \&popup);
    $icon->signal_connect('scroll_event', \&scroll_handler);
-update_icon();
-
-# the refresh loop
-my $loop = Glib::Timeout->add_seconds($opt->loop_time, \&update_icon);
 
 my $tv = [ gettimeofday ];
 
+# the refresh loop
+if ($opt->driver eq "Alsa") {
+	my $efh = Alsa::init(\&update_icon, $opt->channel);
+	my $loop = Glib::IO->add_watch(fileno $efh, 'in', \&Alsa::on_event);
+} elsif ($opt->driver eq "OSS") {
+	my $loop = Glib::Timeout->add_seconds($opt->loop_time, \&update_icon);
+}
+
+update_icon();
 Gtk2->main;
 
+if ($opt->driver eq "Alsa") { Alsa::deinit() }
 
 
 # S U B S #
@@ -82,7 +89,7 @@ sub volup {
 		}
 	}
 	elsif ($opt->driver eq "OSS") {
-			OSS::volume_up( $opt->channel, $opt->increment );
+			OSS::volume_up( $opt->channel, $opt->increment * $multiplicator );
 	}
 }
 
@@ -93,7 +100,7 @@ sub voldown {
 		}
 	}
 	elsif ($opt->driver eq "OSS") {
-		OSS::volume_down( $opt->channel, $opt->increment );
+		OSS::volume_down( $opt->channel, $opt->increment * $multiplicator );
 	}
 }
 
@@ -122,8 +129,7 @@ sub get_volume {
 
 	if ($opt->driver eq "Alsa") {
 		my ($muted, $volume) = Alsa::status($channel);
-		if ($muted > 0) { return 0 }
-		else { return $volume }
+		return $muted ? 0 :$volume;
 	}
 	elsif ($opt->driver eq "OSS") {
 		return ( OSS::volume($channel) );
@@ -168,18 +174,16 @@ sub click_handler {
 	# Middle click
 	elsif ($event->button eq 2) {
 		toggle();
-		update_icon();
 	}
 }
 
 sub scroll_handler {
 	my ($check, $event) = @_;
 	#print("interval: " . tv_interval($tv) . "\n");
-	if (tv_interval($tv) < INTRVAL) { $multiplicator++; return; }
+	if ($intrval && tv_interval($tv) < $intrval) { $multiplicator++; return; }
 	if ("up" eq $event->direction) { volup(); }
 	else { voldown(); }
-	update_icon();
-	$tv = [ gettimeofday ];
+	$tv = [ gettimeofday ] if $intrval;
 	$multiplicator = 1;
 }
 
-- 
2.44.2


From 4a9e85b61437e601d9be9b31f38a8374b8172b03 Mon Sep 17 00:00:00 2001
From: Nikita Zlobin <cook60020tmp@mail.ru>
Date: Wed, 17 Jul 2024 22:37:45 +0500
Subject: [PATCH 3/8] Minimize icon updates (only when changed)

---
 lib/ConfDialog.pm | 20 ++++++--------------
 volwheel          | 11 +++++++++--
 2 files changed, 15 insertions(+), 16 deletions(-)

diff --git a/lib/ConfDialog.pm b/lib/ConfDialog.pm
index 6b19b1b..d92e527 100644
--- a/lib/ConfDialog.pm
+++ b/lib/ConfDialog.pm
@@ -96,25 +96,17 @@ sub show {
 	my $lbl_icomod = Gtk2::Label->new("Icon Mode");
 	my $radio_stc = Gtk2::RadioButton->new_with_label(undef, "Static");
 	   $radio_stc->signal_connect('toggled' => sub {
-					$filechooser->set_sensitive(1);
-					$combo_theme->set_sensitive(0);
-					$::opt->icon_static(1);
+					my $active = $radio_stc->get('active');
+					$filechooser->set_sensitive($active);
+					$combo_theme->set_sensitive(! $active);
+					$::opt->icon_static($active);
 					main::update_icon();
 					});
 	my $radio_dyn = Gtk2::RadioButton->new_with_label($radio_stc, "Dynamic");
-	   $radio_dyn->signal_connect('toggled' => sub {
-					$filechooser->set_sensitive(0);
-					$combo_theme->set_sensitive(1);
-					$::opt->icon_static(0);
-					main::update_icon();
-					});
-	if ($::opt->icon_static == 1) {
+	if ($::opt->icon_static) {
 		$radio_stc->set_active(1);
-		$radio_dyn->set_active(0);
-	}
-	else {
+	} else {
 		$radio_dyn->set_active(1);
-		$radio_stc->set_active(0);
 	}
 	$hbox4->pack_start($lbl_icomod, 0, 0, 5);
 	$hbox4->pack_end($radio_stc, 0, 0, 5);
diff --git a/volwheel b/volwheel
index 9093443..2185dcc 100755
--- a/volwheel
+++ b/volwheel
@@ -210,14 +210,21 @@ sub popup {
 }
 
 sub update_icon {
+	CORE::state $icon_number = -1;
+	CORE::state $old_icon_num = -1;
 	my $volume = get_volume();
 
 	if ($opt->icon_static) {
+		$icon_number = $old_icon_num = -1;
 		$icon->set_from_file($opt->icon_path);
 	}
 	else {
-		my $icon_number = get_icon_number($volume);
-		$icon->set_from_file("$prefix/share/volwheel/icons/".$opt->icon_theme."/$icon_number.png");
+		$icon_number = get_icon_number($volume);
+		if ($old_icon_num ne $icon_number)
+		{
+			$icon->set_from_file("$prefix/share/volwheel/icons/".$opt->icon_theme."/$icon_number.png");
+			$old_icon_num = $icon_number;
+		}
 	}
 
 	$icon->set_tooltip_text($opt->channel." : $volume%");
-- 
2.44.2


From 7fc48afe718f7cc614d8a284a7c7c68fdcc8302a Mon Sep 17 00:00:00 2001
From: Nikita Zlobin <cook60020tmp@mail.ru>
Date: Sat, 20 Jul 2024 00:55:42 +0500
Subject: [PATCH 4/8] Select channels from list instead of manual type

---
 ChangeLog         |  1 +
 TODO              |  1 -
 lib/Alsa.pm       |  9 ++++-
 lib/Conf.pm       | 36 +++++++++++++++----
 lib/ConfDialog.pm | 91 +++++++++++++++++++++++++----------------------
 5 files changed, 87 insertions(+), 51 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 1cad3b6..3520d2a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,6 @@
  2024-07-17 - master
  * Optimized Alsa backend
+ * use drop-down menu for icon channel and checkboxes list for minimixer instead of text entries
 
 2018-10-05 - v0.2.9
  * Back from the grave, import to github
diff --git a/TODO b/TODO
index fd68669..f3575d7 100644
--- a/TODO
+++ b/TODO
@@ -1,2 +1 @@
 + Add configurable mouse bindings
-+ use drop-down menus instead of input-text
diff --git a/lib/Alsa.pm b/lib/Alsa.pm
index 2bcce3e..daaaf78 100644
--- a/lib/Alsa.pm
+++ b/lib/Alsa.pm
@@ -251,7 +251,14 @@ sub set_volume {
 
 
 sub get_channels {
-	return sort keys %channels;
+	my @array;
+	open my $fd, '-|', 'amixer', 'scontrols';
+	while (<$fd>) {
+		/'([^']*)'/;
+		push @array, $1;
+	}
+	return @array;
+	#return sort keys %channels;
 }
 
 1;
diff --git a/lib/Conf.pm b/lib/Conf.pm
index 58c8790..6de4ebb 100644
--- a/lib/Conf.pm
+++ b/lib/Conf.pm
@@ -18,6 +18,9 @@ package Conf;
 
 use strict;
 
+use Alsa;
+use OSS;
+
 sub new {
 	my $class = shift;
 	my $self  = {};
@@ -51,6 +54,17 @@ sub get_conf_path {
 
 }
 
+my @pathv = split( ':', $ENV{PATH});
+
+sub alt_exe {
+	for (@_) {
+		for my $dir (@pathv) {
+			my $exe = "$dir/$_";
+			return $_ if -x $exe;
+		}
+	}
+}
+
 sub read_conf {
 
 	my $self = shift;
@@ -59,7 +73,8 @@ sub read_conf {
 
 	if (-r "$path/volwheel") {
 		open (CONFIG, "$path/volwheel");
-		my @config = <CONFIG>;
+		chomp( my @config = <CONFIG>);
+		close CONFIG;
 		if ($config[0] && $config[0] ne "")        { $self->{_channel}     = $config[0]; }
 		if ($config[1] && $config[1] ne "")        { $self->{_mixer}       = $config[1]; }
 		if ($config[2] && $config[2] =~ /^\d+$/)   { $self->{_increment}   = $config[2]; }
@@ -67,17 +82,26 @@ sub read_conf {
 		if ($config[4] && $config[4] ne "")        { $self->{_icon_path}   = $config[4]; }
 		if ($config[5] && $config[5] =~ /^(0|1)$/) { $self->{_icon_static} = $config[5]; }
 		if ($config[6] && $config[6] ne "")        { $self->{_driver}      = $config[6]; }
-		if ($config[7] && $config[7] =~ /:/)       { $line7 = $config[7]; }
-		close CONFIG;
-		chomp %{$self};
-		chomp $line7;
-		$self->channel_list( split(":", $line7) );
+		if ($config[7] && $config[7] =~ /:/)       {
+			@{ $self->{_channel_list} } = split(':', $config[7]);
+		}
 	}
 	else {
+		$self->{_driver} = (-f '/dev/mixer') ? 'OSS' : 'Alsa';
+		my $drv = $self->{_driver};
+
 		# autodetect the mixer
 		if (-x "/usr/bin/gnome-alsamixer") { $self->{_mixer} = "gnome-alsamixer"; }
 		if (-x "/usr/bin/xfce4-mixer")     { $self->{_mixer} = "xfce4-mixer"; }
 		if (-x "/usr/bin/ossxmix")         { $self->{_mixer} = "ossxmix"; }
+
+		# autodetect channels
+		my @channel_list;
+		foreach ($drv == "Alsa" ? Alsa::get_channels : OSS::get_channels) {
+			push @channel_list, $_;
+		}
+		$self->{_channel_list} = \@channel_list;
+		$self->{_channel     } = $channel_list[0];
 	}
 
 }
diff --git a/lib/ConfDialog.pm b/lib/ConfDialog.pm
index d92e527..ff11a19 100644
--- a/lib/ConfDialog.pm
+++ b/lib/ConfDialog.pm
@@ -18,6 +18,8 @@ package ConfDialog;
 
 use strict;
 use Glib;
+use Alsa;
+use OSS;
 
 sub show {
 
@@ -63,10 +65,23 @@ sub show {
 
 	my $hbox1 = Gtk2::HBox->new(0, 2);
 	my $lbl_channel = Gtk2::Label->new("Default channel");
-	my $entry_channel = Gtk2::Entry->new;
-	$entry_channel->set_text($::opt->channel);
+	my $combo_channel = Gtk2::ComboBox->new_text;
+		$combo_channel->set_size_request(160, 30);
+		my $drv = $combo_driver->get_active_text;
+		foreach ($drv == "Alsa" ? Alsa::get_channels : OSS::get_channels) {
+			if ($_ eq $::opt->channel) {
+				$combo_channel->prepend_text($_);
+			} else {
+				$combo_channel->append_text($_);
+			}
+		}
+		$combo_channel->set_active(0);
+		$combo_channel->signal_connect('changed' => sub {
+			$::opt->channel($combo_channel->get_active_text);
+			main::update_icon();
+			});
 	$hbox1->pack_start($lbl_channel, 0, 1, 5);
-	$hbox1->pack_end($entry_channel, 0, 1, 5);
+	$hbox1->pack_end($combo_channel, 0, 1, 5);
 	$vbox1->pack_start($hbox1, 0, 1, 2);
 
 	my $hbox2 = Gtk2::HBox->new(0, 2);
@@ -159,53 +174,43 @@ sub show {
 			("Choose which channels to show in the MiniMixer");
 	$tab2_vbox->pack_start($tab2_label, 0, 0, 10);
 
-	my $list_hbox = Gtk2::HBox->new(0, 10);
-
-	my $model = Gtk2::ListStore->new('Glib::String');
-	foreach ($::opt->channel_list) {
-		$model->set($model->append, 0, $_);
+	my $model = Gtk2::ListStore->new('Glib::Boolean', 'Glib::String');
+	foreach ($drv == "Alsa" ? Alsa::get_channels : OSS::get_channels) {
+		my $text = $_;
+		my $flag = 0;
+		foreach ($::opt->channel_list) {
+			if ($_ eq $text) {
+				$flag = 1;
+				last;
+			}
+		}
+		$model->set($model->append, 0, $flag, 1, $_);
 	}
 	my $view  = Gtk2::TreeView->new($model);
-	my $cell = Gtk2::CellRendererText->new;
-	$cell->set_property('editable', 1);
-	$cell->signal_connect('edited' => sub {
-			my ($cell, $pathstring, $newtext) = @_;
+
+	my $cell = Gtk2::CellRendererToggle->new;
+	$cell->signal_connect('toggled' => sub {
+			my ($cell, $pathstring) = @_;
 			my $path = Gtk2::TreePath->new_from_string($pathstring);
 			my $iter = $model->get_iter($path);
-			$model->set ($iter, 0, $newtext);
+			$model->set ($iter, 0, ! $cell->get_active);
 			});
+	my $column = Gtk2::TreeViewColumn->new_with_attributes('', $cell,
+	                                                       active => 0,);
+	$view->append_column($column);
+
+	my $cell   = Gtk2::CellRendererText->new;
 	my $column = Gtk2::TreeViewColumn->new_with_attributes('Channel Name',
 	                                                       $cell,
-	                                                       text => 0,);
+	                                                       text => 1,);
 	$view->append_column($column);
+
+	$view->set_headers_visible(0);
 	$view->set_reorderable(1);
-	$view->set_size_request(-1, 160);
-	$model->signal_connect('row-inserted', sub {
-			my ($model, $path, $iter) = @_;
-			$view->set_cursor_on_cell($path, $column, $cell, 1);
-			# FFFFFFFFFFFFFFFFFFFFFFFFFFFUUUUUUUUUUUUUUUUUUUUUUU-
-			});
-	$list_hbox->pack_start($view, 1, 1, 10);
+	$view->set_size_request(-1, -1);
 
-	$tab2_vbox->pack_start($list_hbox, 0, 0, 0);
+	$tab2_vbox->pack_start($view, 1, 1, 0);
 
-	my $buttons_hbox = Gtk2::HBox->new(1, 10);
-	my $add_btn = Gtk2::Button->new_from_stock("gtk-add");
-	$add_btn->signal_connect('clicked', sub {
-			$model->set($model->append, 0, "New Channel");
-			});
-	$buttons_hbox->pack_start($add_btn, 0, 0, 10);
-	my $del_btn = Gtk2::Button->new_from_stock("gtk-remove");
-	$del_btn->signal_connect('clicked', sub {
-			my $selection = $view->get_selection;
-			my @iter = $selection->get_selected;
-			if ($iter[1] ne "") {
-				$model->remove($iter[1]);
-			}
-			});
-	$buttons_hbox->pack_start($del_btn, 0, 0, 10);
-
-	$tab2_vbox->pack_start($buttons_hbox, 0, 0, 0);
 	# END OF SECOND TAB
 
 	# START THIRD TAB
@@ -219,7 +224,7 @@ sub show {
 	$notebook->append_page($vbox, "General");
 	$notebook->append_page($tab2_vbox, "MiniMixer");
 	#$notebook->append_page($tab3_vbox, "Mouse Bindings");
-	$main_vbox->pack_start($notebook, 1, 0, 5);
+	$main_vbox->pack_start($notebook, 1, 1, 5);
 	##
 
 	# BOTTOM
@@ -228,7 +233,7 @@ sub show {
 	$btn_cancel->signal_connect('clicked' => sub { $winconf->destroy });
 	my $btn_save = Gtk2::Button->new_from_stock('gtk-save');
 	$btn_save->signal_connect('clicked' => sub {
-			  my $temp = $entry_channel->get_text;
+			  my $temp = $combo_channel->get_active_text;
 			  if ( $temp eq "" ) { return 666; }
 			  $temp =~ s/^"(.*)"$/$1/; # No quotes !
 			  $::opt->driver($combo_driver->get_active_text);
@@ -241,7 +246,7 @@ sub show {
 			  $model->foreach(sub {
 					my ($model, $path, $iter) = @_;
 					my @values = $model->get($iter);
-					push @array, $values[0] unless ($values[0] eq "New Channel");
+					push (@array, $values[1]) if $values[0];
 					return 0; # required by foreach()
 					});
 			  $::opt->channel_list(@array);
@@ -250,7 +255,7 @@ sub show {
 			 });
 	$hbox_bottom->add($btn_cancel);
 	$hbox_bottom->add($btn_save);
-	$main_vbox->pack_start($hbox_bottom, 1, 0, 5);
+	$main_vbox->pack_start($hbox_bottom, 0, 0, 5);
 	# END OF BOTTOM
 
 	$winconf->add($main_vbox);
-- 
2.44.2


From e63029b11cc11e965e4743da4cfa6781658f20cb Mon Sep 17 00:00:00 2001
From: Nikita Zlobin <cook60020tmp@mail.ru>
Date: Mon, 29 Jul 2024 16:53:22 +0500
Subject: [PATCH 5/8] Enhance mixer auto-detection

---
 ChangeLog   |  1 +
 lib/Conf.pm | 26 ++++++++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 3520d2a..fd73011 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,7 @@
  2024-07-17 - master
  * Optimized Alsa backend
  * use drop-down menu for icon channel and checkboxes list for minimixer instead of text entries
+ * Enhanced mixer auto-detection
 
 2018-10-05 - v0.2.9
  * Back from the grave, import to github
diff --git a/lib/Conf.pm b/lib/Conf.pm
index 6de4ebb..6ed95d4 100644
--- a/lib/Conf.pm
+++ b/lib/Conf.pm
@@ -95,6 +95,32 @@ sub read_conf {
 		if (-x "/usr/bin/xfce4-mixer")     { $self->{_mixer} = "xfce4-mixer"; }
 		if (-x "/usr/bin/ossxmix")         { $self->{_mixer} = "ossxmix"; }
 
+		# autodetect the mixer
+		my $sel = alt_exe (
+			$drv eq 'Alsa' ? (
+				'gnome-alsamixer', 'xfce4-mixer', 'retrovol', 'qasmixer', 'alsamixergui',
+				'kmix', 'pavucontrol',
+			) : (
+				'aumix-gtk', 'ossxmix',
+				'kmix', 'pavucontrol',
+			)
+		);
+		unless (defined $sel)
+		{
+			my $term = alt_exe (
+				'gnome-terminal', 'mate-terminal', 'xfce4-terminal',
+				'lxterminal', 'roxterm', 'terminology', 'qterminal',
+				'alacritty', 'kitty', 'wezterm',
+				'mlterm', 'aterm', 'urxvt', 'xterm', 'st'
+			);
+			my $cmix = alt_exe (
+				$drv eq 'Alsa' ? ('alsamixer', 'pulsemixer', 'pamix')
+				               : ('aumix', 'pulsemixer', 'pamix')
+			);
+			$sel = "$term -e '$cmix'" if ($cmix && $term);
+		}
+		$self->{_mixer} = "$sel" if $sel;
+
 		# autodetect channels
 		my @channel_list;
 		foreach ($drv == "Alsa" ? Alsa::get_channels : OSS::get_channels) {
-- 
2.44.2


From 24146ae50344e3944fd81e6488a321030e85e6bd Mon Sep 17 00:00:00 2001
From: Nikita Zlobin <cook60020tmp@mail.ru>
Date: Mon, 29 Jul 2024 19:54:44 +0500
Subject: [PATCH 6/8] Enhance tooltip, try notification instead

Tooltip may have live updates, but only until icon gets input
events. Plus status icon has no even enter/leave events to craft
own volume tooltip.
---
 ChangeLog |  1 +
 volwheel  | 41 +++++++++++++++++++++++++++++++++++++++--
 2 files changed, 40 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index fd73011..7a3c57d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,7 @@
  * Optimized Alsa backend
  * use drop-down menu for icon channel and checkboxes list for minimixer instead of text entries
  * Enhanced mixer auto-detection
+ * Avoid hiding tooltip when possible and use desktop notification instead if available
 
 2018-10-05 - v0.2.9
  * Back from the grave, import to github
diff --git a/volwheel b/volwheel
index 2185dcc..d5309cf 100755
--- a/volwheel
+++ b/volwheel
@@ -20,6 +20,7 @@ use strict;
 use warnings;
 use Time::HiRes qw(gettimeofday tv_interval);
 use if (@ARGV < 1),  Gtk2 => '-init';
+use Net::DBus qw(:typing);
 use lib '/usr/local/lib/volwheel';
 use Alsa;
 use OSS;
@@ -58,8 +59,26 @@ if (@ARGV) {
 	exit;
 }
 
+my ($bus, $serv, $dobj);
+
+# DBus / Desktop Notification
+($bus = Net::DBus->session) &&
+($serv = $bus->get_service('org.freedesktop.Notifications')) &&
+($dobj = $serv->get_object('/org/freedesktop/Notifications',
+                           'org.freedesktop.Notifications'));
+my %dhints = (transient   => dbus_int32('1'),
+              synchronous => dbus_string('volume'),
+              value       => dbus_int32(0));
+
+# Tray tooltip
+my $tooltip_label = Gtk2::Label->new;
+my $vol_txt;
+my $volume;
+
 # Tray icon
 my $icon = Gtk2::StatusIcon->new;
+   $icon->signal_connect('query-tooltip', \&tooltip_handler);
+   $icon->set_has_tooltip(1);
    $icon->signal_connect('button_release_event', \&click_handler);
    $icon->signal_connect('popup-menu', \&popup);
    $icon->signal_connect('scroll_event', \&scroll_handler);
@@ -159,6 +178,17 @@ sub launch_website {
 	$SIG{CHLD} = "IGNORE";
 }
 
+sub tooltip_handler {
+	my ($icon, undef, undef, undef, $tooltip) = @_;
+	if ($dobj) {
+		notify_show();
+		return 0;
+	} else {
+		$tooltip->set_custom( $tooltip_label);
+		return 1;
+	}
+}
+
 sub click_handler {
 	my ($check, $event) = @_;
 
@@ -209,10 +239,16 @@ sub popup {
 	$menu->popup(undef, undef, undef, $user_data, $button, $activate_time);
 }
 
+sub notify_show {
+	$dhints{value} = dbus_int32($volume);
+	return $dobj->Notify('volwheel', 1, 'multimedia-volume-control', 'volwheel',
+	                     $vol_txt, undef, \%dhints, 500);
+}
+
 sub update_icon {
 	CORE::state $icon_number = -1;
 	CORE::state $old_icon_num = -1;
-	my $volume = get_volume();
+	$volume = get_volume();
 
 	if ($opt->icon_static) {
 		$icon_number = $old_icon_num = -1;
@@ -227,7 +263,8 @@ sub update_icon {
 		}
 	}
 
-	$icon->set_tooltip_text($opt->channel." : $volume%");
+	$vol_txt = $opt->channel." : $volume%";
+	$tooltip_label->set_text($vol_txt) if (! $dobj);
 
 	if ($opt->show_scale) {
 		MiniMixer::update;
-- 
2.44.2


From c6dd1b90c1707fa705827c0a0669997bd9b4a6fd Mon Sep 17 00:00:00 2001
From: Nikita Zlobin <cook60020tmp@mail.ru>
Date: Mon, 22 Jul 2024 16:52:32 +0500
Subject: [PATCH 7/8] Update TODO

---
 TODO | 1 +
 1 file changed, 1 insertion(+)

diff --git a/TODO b/TODO
index f3575d7..af0dc51 100644
--- a/TODO
+++ b/TODO
@@ -1 +1,2 @@
 + Add configurable mouse bindings
++ Interactive CLI tool for OSS backend like smixer (like amixer from alsa-utils)
-- 
2.44.2


From 986e507f0dce4c846f57e7800f9719af2a97a399 Mon Sep 17 00:00:00 2001
From: Nikita Zlobin <cook60020tmp@mail.ru>
Date: Mon, 29 Jul 2024 22:35:09 +0500
Subject: [PATCH 8/8] cleanup

---
 volwheel | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/volwheel b/volwheel
index d5309cf..f8df221 100755
--- a/volwheel
+++ b/volwheel
@@ -228,7 +228,7 @@ sub popup {
 
 	$item_prefs->signal_connect('activate', \&ConfDialog::show);
 	$item_about->signal_connect('activate', \&about_dialog);
-	$item_quit->signal_connect('activate', \&out);
+	$item_quit->signal_connect('activate', \&Gtk2::main_quit);
 
 	$menu->add($item_prefs);
 	$menu->add($item_about);
@@ -337,7 +337,3 @@ 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.\n\n";
 }
-
-sub out {
-	Gtk2->main_quit;
-}
-- 
2.44.2