346 lines
7.4 KiB
Perl
346 lines
7.4 KiB
Perl
#!/usr/local/bin/perl -w
|
|
use strict;
|
|
use Socket;
|
|
use IO::Socket;
|
|
use Cwd;
|
|
use Getopt::Long;
|
|
|
|
use vars qw($VERSION $portfile);
|
|
$VERSION = sprintf '4.%03d', q$Revision: #29 $ =~ /\D(\d+)\s*$/;
|
|
|
|
my %opt;
|
|
INIT
|
|
{
|
|
my $home = $ENV{'HOME'} || $ENV{'HOMEDRIVE'}.$ENV{'HOMEPATH'};
|
|
$portfile = "$home/.ptkedsn";
|
|
my $port = $ENV{'PTKEDPORT'};
|
|
return if $^C;
|
|
GetOptions(\%opt,qw(server! encoding=s));
|
|
unless (defined $port)
|
|
{
|
|
if (open(SN,"$portfile"))
|
|
{
|
|
$port = <SN>;
|
|
close(SN);
|
|
}
|
|
}
|
|
if (defined $port)
|
|
{
|
|
my $sock = IO::Socket::INET->new(PeerAddr => 'localhost',
|
|
PeerPort => $port, Proto => 'tcp');
|
|
if ($sock)
|
|
{
|
|
binmode($sock);
|
|
$sock->autoflush;
|
|
foreach my $file (@ARGV)
|
|
{
|
|
unless (print $sock "$file\n")
|
|
{
|
|
die "Cannot print $file to socket:$!";
|
|
}
|
|
print "Requested '$file'\n";
|
|
}
|
|
$sock->close || die "Cannot close socket:$!";
|
|
exit(0);
|
|
}
|
|
else
|
|
{
|
|
warn "Cannot connect to server on $port:$!";
|
|
}
|
|
}
|
|
}
|
|
|
|
use Tk;
|
|
use Tk::DropSite qw(XDND Sun);
|
|
use Tk::DragDrop qw(XDND Sun);
|
|
use Tk::widgets qw(TextUndo Scrollbar Menu Dialog);
|
|
# use Tk::ErrorDialog;
|
|
|
|
{
|
|
package Tk::TextUndoPtked;
|
|
@Tk::TextUndoPtked::ISA = qw(Tk::TextUndo);
|
|
Construct Tk::Widget 'TextUndoPtked';
|
|
|
|
sub Save {
|
|
my $w = shift;
|
|
$w->SUPER::Save(@_);
|
|
$w->toplevel->title($w->FileName);
|
|
}
|
|
|
|
sub Load {
|
|
my $w = shift;
|
|
$w->SUPER::Load(@_);
|
|
$w->toplevel->title($w->FileName);
|
|
}
|
|
|
|
sub MenuLabels { shift->SUPER::MenuLabels, 'Encoding' }
|
|
|
|
sub Encoding
|
|
{
|
|
my ($w,$enc) = @_;
|
|
if (@_ > 1)
|
|
{
|
|
$enc = $w->getEncoding($enc) unless ref($enc);
|
|
$w->{ENCODING} = $enc;
|
|
$enc = $enc->name;
|
|
$w->PerlIO_layers(":encoding($enc)");
|
|
}
|
|
return $w->{ENCODING};
|
|
}
|
|
|
|
sub EncodingMenuItems
|
|
{
|
|
my ($w) = @_;
|
|
return [ [ command => 'System', -command => [ $w, Encoding => Tk::SystemEncoding()->name ]],
|
|
[ command => 'UTF-8', -command => [ $w, Encoding => 'UTF-8'] ],
|
|
[ command => 'iso-8859-1', -command => [ $w, Encoding => 'iso8859-1'] ],
|
|
[ command => 'iso-8859-15', -command => [ $w, Encoding => 'iso8859-15'] ],
|
|
];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
my $top = MainWindow->new();
|
|
|
|
if ($opt{'server'})
|
|
{
|
|
my $sock = IO::Socket::INET->new(Listen => 5, Proto => 'tcp');
|
|
die "Cannot open listen socket:$!" unless defined $sock;
|
|
binmode($sock);
|
|
|
|
my $port = $sock->sockport;
|
|
$ENV{'PTKEDPORT'} = $port;
|
|
open(SN,">$portfile") || die "Cannot open $portfile:$!";
|
|
print SN $port;
|
|
close(SN);
|
|
print "Accepting connections on $port\n";
|
|
$top->fileevent($sock,'readable',
|
|
sub
|
|
{
|
|
print "accepting $sock\n";
|
|
my $client = $sock->accept;
|
|
if (defined $client)
|
|
{
|
|
binmode($client);
|
|
print "Connection $client\n";
|
|
$top->fileevent($client,'readable',[\&EditRequest,$client]);
|
|
}
|
|
});
|
|
}
|
|
|
|
Tk::Event::HandleSignals();
|
|
$SIG{'INT'} = sub { $top->WmDeleteWindow };
|
|
|
|
$top->iconify;
|
|
$top->optionAdd('*TextUndoPtked.Background' => '#fff5e1');
|
|
$top->fontCreate('ptked',-family => 'courier', -size => ($^O eq 'MSWin32' ? 11 : -12),
|
|
-weight => 'normal', -slant => 'roman');
|
|
$top->optionAdd('*TextUndoPtked.Font' => 'ptked');
|
|
|
|
foreach my $file (@ARGV)
|
|
{
|
|
Create_Edit($file);
|
|
}
|
|
|
|
|
|
sub EditRequest
|
|
{
|
|
my ($client) = @_;
|
|
local $_;
|
|
while (<$client>)
|
|
{
|
|
chomp($_);
|
|
print "'$_'\n",
|
|
Create_Edit($_);
|
|
}
|
|
warn "Odd $!" unless eof($client);
|
|
$top->fileevent($client,'readable','');
|
|
print "Close $client\n";
|
|
$client->close;
|
|
}
|
|
|
|
MainLoop;
|
|
unlink("$portfile");
|
|
exit(0);
|
|
|
|
sub Create_Edit
|
|
{
|
|
my $path = shift;
|
|
my $ed = $top->Toplevel(-title => $path);
|
|
$ed->withdraw;
|
|
$top->{'Edits'}++;
|
|
$ed->OnDestroy([\&RemoveEdit,$top]);
|
|
my $t = $ed->Scrolled('TextUndoPtked', -wrap => 'none',
|
|
-scrollbars => 'se', # both required till optional fixed!
|
|
);
|
|
$t->pack(-expand => 1, -fill => 'both');
|
|
$t = $t->Subwidget('scrolled');
|
|
|
|
$t->Encoding($opt{encoding}) if $opt{encoding};
|
|
|
|
my $menu = $t->menu;
|
|
$menu->cascade(-label => '~Help', -menuitems => [
|
|
[Button => '~About...', -command => [\&About,$ed]],
|
|
]);
|
|
$ed->configure(-menu => $menu);
|
|
my $dd = $t->DragDrop(-event => '<Meta-B1-Motion>');
|
|
$t->bind(ref($t),'<Meta-B1-Motion>',\&Ouch);
|
|
$t->bind(ref($t),'<Meta-ButtonPress>',\&Ouch);
|
|
$t->bind(ref($t),'<Meta-ButtonRelease>',\&Ouch);
|
|
$dd->configure(-startcommand =>
|
|
sub
|
|
{
|
|
return 1 unless (eval { $t->tagNextrange(sel => '1.0','end')});
|
|
$dd->configure(-text => $t->get('sel.first','sel.last'));
|
|
});
|
|
|
|
$t->DropSite(-motioncommand =>
|
|
sub
|
|
{ my ($x,$y) = @_;
|
|
$t->markSet(insert => "\@$x,$y");
|
|
},
|
|
-dropcommand => [\&HandleDrop,$t],
|
|
);
|
|
|
|
|
|
|
|
$ed->protocol('WM_DELETE_WINDOW',[ConfirmExit => $t]);
|
|
$t->bind('<F3>',\&DoFind);
|
|
|
|
$ed->idletasks;
|
|
if (-e $path)
|
|
{
|
|
$t->Load($path);
|
|
}
|
|
else
|
|
{
|
|
$t->FileName($path);
|
|
}
|
|
$ed->deiconify;
|
|
$t->update;
|
|
$t->focus;
|
|
}
|
|
|
|
sub Ouch
|
|
{
|
|
warn join(',','Ouch',@_);
|
|
}
|
|
|
|
sub RemoveEdit
|
|
{
|
|
my $top = shift;
|
|
if (--$top->{'Edits'} == 0)
|
|
{
|
|
$top->destroy unless $opt{'s'};
|
|
}
|
|
}
|
|
|
|
sub HandleDrop
|
|
{my ($t,$seln,$x,$y) = @_;
|
|
# warn join(',',Drop => @_);
|
|
my $string;
|
|
Tk::catch { $string = $t->SelectionGet(-selection => $seln,'FILE_NAME') };
|
|
if ($@)
|
|
{
|
|
Tk::catch { $string = $t->SelectionGet(-selection => $seln) };
|
|
if ($@)
|
|
{
|
|
my @targets = $t->SelectionGet(-selection => $seln, 'TARGETS');
|
|
$t->messageBox(-text => "Targets : ".join(' ',@targets));
|
|
}
|
|
else
|
|
{
|
|
$t->markSet(insert => "\@$x,$y");
|
|
$t->insert(insert => $string);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Create_Edit($string);
|
|
}
|
|
}
|
|
|
|
|
|
my $str;
|
|
|
|
sub DoFind
|
|
{
|
|
my $t = shift;
|
|
$str = shift if (@_);
|
|
my $posn = $t->index('insert+1c');
|
|
$t->tag('remove','sel','1.0','end');
|
|
local $_;
|
|
while ($t->compare($posn,'<','end'))
|
|
{
|
|
my ($line,$col) = split(/\./,$posn);
|
|
$_ = $t->get("$line.0","$posn lineend");
|
|
pos($_) = $col;
|
|
if (/\G(.*)$str/g)
|
|
{
|
|
$col += length($1);
|
|
$posn = "$line.$col";
|
|
$t->SetCursor($posn);
|
|
$t->tag('add','sel',$posn,"$line.".pos($_));
|
|
$t->focus;
|
|
return;
|
|
}
|
|
$posn = $t->index("$posn lineend + 1c");
|
|
}
|
|
}
|
|
|
|
sub AskFind
|
|
{
|
|
my ($t) = @_;
|
|
unless (exists $t->{'AskFind'})
|
|
{
|
|
my $d = $t->{'AskFind'} = $t->Toplevel(-popover => 'cursor', -popanchor => 'nw');
|
|
$d->title('Find...');
|
|
$d->withdraw;
|
|
$d->transient($t->toplevel);
|
|
my $e = $d->Entry->pack;
|
|
$e->bind('<Return>', sub { $d->withdraw; DoFind($t,$e->get); });
|
|
$d->protocol(WM_DELETE_WINDOW =>[withdraw => $d]);
|
|
}
|
|
$t->{'AskFind'}->Popup;
|
|
$t->update;
|
|
$t->{'AskFind'}->focusNext;
|
|
}
|
|
|
|
sub About
|
|
{
|
|
my $mw = shift;
|
|
|
|
$mw->Dialog(-text => <<"END",-popover => $mw)->Show;
|
|
$0 version $VERSION
|
|
perl$]/Tk$Tk::VERSION
|
|
|
|
Copyright © 1995-2004 Nick Ing-Simmons. All rights reserved.
|
|
This package is free software; you can redistribute it and/or
|
|
modify it under the same terms as Perl itself.
|
|
END
|
|
}
|
|
|
|
__END__
|
|
|
|
=head1 NAME
|
|
|
|
ptked - an editor in Perl/Tk
|
|
|
|
=head1 SYNOPSIS
|
|
|
|
S< >B<ptked> [I<file-to-edit>]
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
B<ptked> is a simple text editor based on perl/Tk's TextUndo widget.
|
|
|
|
=cut
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|