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package Test::Irssi;
use warnings;
use strict;
# for fixed version of P:W:R
use lib $ENV{HOME} . "/projects/poe/lib";
sub PROGRAM () { "/opt/stow/repo/irssi-debug/bin/irssi" }
use POSIX;
use POE qw( Wheel::ReadWrite Wheel::Run Filter::Stream );
use Term::VT102;
use Term::TermInfo;
use feature qw/say switch/;
use Data::Dumper;
use IO::File;
my $logfile = "irssi.log";
#open my $logfh, ">", $logfile or die "Couldn't open $logfile for writing: $!";
my $logfh = IO::File->new($logfile, 'w');
die "Couldn't open $logfile for writing: $!" unless defined $logfh;
$logfh->autoflush(1);
my $ti = Term::Terminfo->new();
my $vt = Term::VT102->new(rows => 24, cols => 80);
$vt->callback_set(OUTPUT => \&vt_output, undef);
$vt->callback_set(ROWCHANGE => \&vt_rowchange, undef);
$vt->callback_set(CLEAR => \&vt_clear, undef);
$vt->callback_set(SCROLL_DOWN => \&vt_scr_dn, undef);
$vt->callback_set(SCROLL_UP => \&vt_scr_up, undef);
$vt->callback_set(GOTO => \&vt_goto, undef);
$vt->option_set(LINEWRAP => 1);
$vt->option_set(LFTOCRLF => 1);
sub vt_output {
my ($vt, $cb_name, $cb_data, $priv_data) = @_;
say $logfh "OUTPUT: " . Dumper([@_[1..$#_]]);
}
sub vt_rowchange {
my ($vt, $cb_name, $arg1, $arg2, $priv_data) = @_;
#say $logfh "ROWCHANGE: " . Dumper(\@_);
#say $logfh "Row $arg1 changed: ";
#say $logfh $vt->row_plaintext($arg1);
my $bottom_line = $vt->rows();
say $logfh "-" x 100;
say $logfh "Window Line";
say $logfh $vt->row_plaintext($bottom_line - 1);
say $logfh "-" x 100;
say $logfh "Prompt line";
say $logfh $vt->row_plaintext($bottom_line);
say $logfh "-" x 100;
#
# print $ti->getstr("clear");
# print vt_dump();
}
sub vt_clear {
my ($vt, $cb_name, $arg1, $arg2, $priv_data) = @_;
say $logfh "VT Cleared";
}
sub vt_scr_dn {
my ($vt, $cb_name, $arg1, $arg2, $priv_data) = @_;
say $logfh "Scroll Down";
}
sub vt_scr_up {
my ($vt, $cb_name, $arg1, $arg2, $priv_data) = @_;
say $logfh "Scroll Up";
}
sub vt_goto {
my ($vt, $cb_name, $arg1, $arg2, $priv_data) = @_;
say $logfh "Goto: $arg1, $arg2";
}
sub vt_dump {
my $str = '';
for my $y (1..24) {
$str .= $vt->row_sgrtext($y) . "\n";
}
return $str;
}
### Handle the _start event. This sets things in motion.
sub handle_start {
my ($kernel, $heap) = @_[KERNEL, HEAP];
save_term_settings($heap);
# Set a signal handler.
$kernel->sig(CHLD => "got_sigchld");
make_raw();
# Start the terminal reader/writer.
$heap->{stdio} = POE::Wheel::ReadWrite->new(
InputHandle => \*STDIN,
OutputHandle => \*STDOUT,
InputEvent => "got_terminal_stdin",
Filter => POE::Filter::Stream->new(),
);
# Start the asynchronous child process.
$heap->{program} = POE::Wheel::Run->new(
Program => PROGRAM,
ProgramArgs => [qw/--noconnect/],
Conduit => "pty",
Winsize => [24, 80, 0, 0],
StdoutEvent => "got_child_stdout",
StdioFilter => POE::Filter::Stream->new(),
);
}
### Handle the _stop event. This restores the original terminal
### settings when we're done. That's very important.
sub handle_stop {
my $heap = $_[HEAP];
$heap->{stdin_tio}->setattr (0, TCSANOW);
$heap->{stdout_tio}->setattr(1, TCSANOW);
$heap->{stderr_tio}->setattr(2, TCSANOW);
$logfh->close();
}
### Handle terminal STDIN. Send it to the background program's STDIN.
### If the user presses ^C, then echo a little string
sub handle_terminal_stdin {
my ($heap, $input) = @_[HEAP, ARG0];
if ($input =~ m/\003/g) {
$input = "/echo I like cakes\n";
} elsif ($input =~ m/\004/g) {
say $logfh vt_dump();
}
$heap->{program}->put($input);
}
##
### Handle STDOUT from the child program.
sub handle_child_stdout {
my ($heap, $input) = @_[HEAP, ARG0];
# process via vt
$vt->process($input);
# send to terminal
$heap->{stdio}->put($input);
}
### Handle SIGCHLD. Shut down if the exiting child process was the
### one we've been managing.
sub handle_sigchld {
my ($heap, $child_pid) = @_[HEAP, ARG1];
if ($child_pid == $heap->{program}->PID) {
delete $heap->{program};
delete $heap->{stdio};
}
return 0;
}
### Start a session to encapsulate the previous features.
POE::Session->create(
inline_states => {
_start => \&handle_start,
_stop => \&handle_stop,
got_terminal_stdin => \&handle_terminal_stdin,
got_child_stdout => \&handle_child_stdout,
got_sigchld => \&handle_sigchld,
},
);
sub make_raw {
# Put the terminal into raw input mode. Otherwise discrete
# keystrokes will not be read immediately.
my $tio = POSIX::Termios->new();
$tio->getattr(0);
my $lflag = $tio->getlflag;
$lflag &= ~(ECHO | ECHOE | ECHOK | ECHONL | ICANON | IEXTEN | ISIG);
$tio->setlflag($lflag);
my $iflag = $tio->getiflag;
$iflag &= ~(BRKINT | INPCK | ISTRIP | IXON);
$tio->setiflag($iflag);
my $cflag = $tio->getcflag;
$cflag &= ~(CSIZE | PARENB);
$tio->setcflag($cflag);
$tio->setattr(0, TCSANOW);
}
sub save_term_settings {
my ($heap) = @_;
# Save the original terminal settings so they can be restored later.
$heap->{stdin_tio} = POSIX::Termios->new();
$heap->{stdin_tio}->getattr(0);
$heap->{stdout_tio} = POSIX::Termios->new();
$heap->{stdout_tio}->getattr(1);
$heap->{stderr_tio} = POSIX::Termios->new();
$heap->{stderr_tio}->getattr(2);
}
### Start POE's main loop, which runs the session until it's done.
$poe_kernel->run();
exit 0;
|
