/usr/share/perl5/Audio/Nama/Terminal_subs.pm is in nama 1.078-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 | # ----------- Terminal related subroutines ---------
package Audio::Nama;
use Modern::Perl;
no warnings 'uninitialized';
use Carp;
our (
$term,
$attribs,
$this_bus,
$this_track,
%event_id,
$debug,
$debug2,
%effect_j,
$press_space_to_start_transport,
$use_pager,
$previous_text_command,
@keywords,
%commands,
%iam_cmd,
%midish_command,
$midish_enable,
);
sub issue_first_prompt {
$term->stuff_char(10); # necessary to respond to Ctrl-C at first prompt
&{$attribs->{'callback_read_char'}}();
set_current_bus();
print prompt();
$attribs->{already_prompted} = 0;
}
sub initialize_terminal {
$term = new Term::ReadLine("Ecasound/Nama");
$attribs = $term->Attribs;
$attribs->{attempted_completion_function} = \&complete;
$attribs->{already_prompted} = 1;
detect_spacebar(); # if $press_space_to_start_transport;
revise_prompt();
# handle Control-C from terminal
$SIG{INT} = \&cleanup_exit;
$SIG{USR1} = sub { save_state() };
#$event_id{sigint} = AE::signal('INT', \&cleanup_exit);
}
{my $override;
sub revise_prompt {
# hack to allow suppressing prompt
$override = $_[0] eq "default" ? undef : $_[0] if defined $_[0];
$term->callback_handler_install($override//prompt(), \&process_line);
}
}
sub prompt {
"nama [". ($this_bus eq 'Main' ? '': "$this_bus/").
($this_track ? $this_track->name : '') . "] ('h' for help)> "
}
sub check_for_spacebar_hit {
$event_id{stdin} = AE::io(*STDIN, 0, sub {
&{$attribs->{'callback_read_char'}}();
if ( $attribs->{line_buffer} eq " " ){
toggle_transport();
$attribs->{line_buffer} = q();
$attribs->{point} = 0;
$attribs->{end} = 0;
$term->stuff_char(10);
&{$attribs->{'callback_read_char'}}();
}
});
}
sub detect_spacebar {
$event_id{stdin} = undef; # clean up after get_edit_mark()
check_for_spacebar_hit() if $press_space_to_start_transport;
}
sub pager {
$debug2 and print "&pager\n";
my @output = @_;
my ($screen_lines, $columns) = $term->get_screen_size();
my $line_count = 0;
map{ $line_count += $_ =~ tr(\n)(\n) } @output;
if ( $use_pager and $line_count > $screen_lines - 2) {
my $fh = File::Temp->new();
my $fname = $fh->filename;
print $fh @output;
file_pager($fname);
} else {
print @output;
}
print "\n\n";
}
sub file_pager {
$debug2 and print "&file_pager\n";
my $fname = shift;
if (! -e $fname or ! -r $fname ){
carp "file not found or not readable: $fname\n" ;
return;
}
my $pager = $ENV{PAGER} || "/usr/bin/less";
my $cmd = qq($pager $fname);
system $cmd;
}
1;
# command line processing routines
sub get_ecasound_iam_keywords {
my %reserved = map{ $_,1 } qw( forward
fw
getpos
h
help
rewind
quit
q
rw
s
setpos
start
stop
t
? );
local $debug = 0;
%iam_cmd = map{$_,1 }
grep{ ! $reserved{$_} } split /[\s,]/, eval_iam('int-cmd-list');
}
sub process_line {
$debug2 and print "&process_line\n";
my ($user_input) = @_;
$debug and print "user input: $user_input\n";
if (defined $user_input and $user_input !~ /^\s*$/) {
$term->addhistory($user_input)
unless $user_input eq $previous_text_command;
$previous_text_command = $user_input;
command_process( $user_input );
reconfigure_engine();
revise_prompt();
}
}
sub load_keywords {
@keywords = keys %commands;
push @keywords, grep{$_} map{split " ", $commands{$_}->{short}} @keywords;
push @keywords, keys %iam_cmd;
push @keywords, keys %effect_j;
push @keywords, keys %midish_command if $midish_enable;
push @keywords, "Audio::Nama::";
}
sub complete {
my ($text, $line, $start, $end) = @_;
# print join $/, $text, $line, $start, $end, $/;
return $term->completion_matches($text,\&keyword);
};
{ my $i;
sub keyword {
my ($text, $state) = @_;
return unless $text;
if($state) {
$i++;
}
else { # first call
$i = 0;
}
for (; $i<=$#keywords; $i++) {
return $keywords[$i] if $keywords[$i] =~ /^\Q$text/;
};
return undef;
} };
1;
__END__
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