#!/usr/bin/perl
# $File: //member/autrijus/PAR/script/tkpp $ $Author: autrijus $
# $Revision: #8 $ $Change: 8575 $ $DateTime: 2003/10/27 06:31:16 $ vim: expandtab shiftwidth=4

our $VERSION = '0.1';

=head1 NAME

tkpp - frontend to pp written in Perl/Tk

=head1 SYNOPSIS

B<tkpp>

=head1 DESCRIPTION

Tkpp is a GUI frontend to L<pp>, which can turn perl scripts into stand-alone
PAR files, perl scripts or executables.

Below is a short explanation of all available screen elements; it is also
displayed from the C<Help> - C<Help Contents> menu item.

=head2 Source file

The file you want to pack.

=head2 Output file (--output, --par, --perlscript)

The file you want the source file packed as.  This option recognizes the
".par", ".pl" and executable extensions, and supplies the corresponding build
option automatically.

=head2 Use icon (--icon)

The icon file you want your output file to use.  This option will only work
with exe files in Windows, par files will just ignore this option.
This options will only accept .ico files.

=head2 Add modules/files (--add)

Adds the specified items into the package, along with their dependencies.
Multiple items should be seperated by a comma (,) or semicolon (;).

=head2 Exclude modules (--exclude)

Excludes the given module from the dependency search patch and from
the package.  Multiple modules should be seperated by a comma (,) or
semicolon (;).

=head2 GUI (--gui)

Build an executable that does not have a console window.  This option is
ignored when the output file is a par file.

=head2 Log (--log)

Log the output of packaging to a file rather than to stdout.  The log file,
tkpp.log, will be written in the users home directory.

=head2 Verbose (--verbose)

Increase verbosity of output; from 0 to 5, 5 being the most verbose.  This
option is ignored if logging is not enabled.

=head2 Build

Starts building the package.

=head2 File Menu->Preferences

Specify the location to perl and pp.  The path to perl and pp MUST be set
before Tkpp will let you build.  The Tkpp configuration file, .tkpprc, is
stored in the users home directory.

=head1 NOTES

I write code for a living not literature, so any misspelled words in any
comments or anything, whoops ;)

=cut

###################################################
# use modules
###################################################
use strict;
use warnings;

use Config;
use FindBin;
use File::Spec;
use File::Basename;
use Tk;
use Tk::Balloon;
use Tk::Dialog;
use Tk::LabEntry;

###################################################
# global variables
###################################################
my $homedir = $ENV{USERPROFILE} || $ENV{HOME};
my $addmodules;
my $configfile = File::Spec->catfile($homedir, ".tkpprc");
my $dogui;
my $dolog;
my $doverbose;
my $excludemodules;
my $gpgpath;
my $iconfile;
my $logfile = File::Spec->catfile($homedir, "tkpp.log");
my $outputfile;
my $perlpath;
my $pppath;
my $sourcefile;
my $statusbar;
my $verboselevel;
my $verboselevelbox;
my $version    = "0.1";
my $pp_bat     = ($^O eq 'MSWin32') ? "pp.bat" : "pp";
my @win32_only = ($^O eq 'MSWin32') ? () : (-state => 'disabled');

###################################################
# declare subroutines
###################################################
sub build;
sub checkconfig;
sub editpreferences;
sub help;
sub myicon;
sub openfile;
sub savefile;
sub showdialog;
sub splashimage;

$| = 1;

# begin building the gui
#
my $main      = MainWindow->new();
my $iconimage = &myicon(1);
$main->title("Tkpp");

# make the menu bar
#
$main->configure(-menu => my $menu_bar = $main->Menu);
my $file_mb = $menu_bar->cascade(
    -label   => "~File",
    -tearoff => 0
);
my $help_mb = $menu_bar->cascade(
    -label   => "~Help",
    -tearoff => 0,
);
$file_mb->command(
    -label   => "~Preferences",
    -command => \&editpreferences
);
$file_mb->command(
    -label   => "E~xit",
    -command => sub { $main->destroy }
);
$help_mb->command(
    -label   => "~Help Contents",
    -command => \&help
);
$help_mb->command(
    -label   => "~About Tkpp",
    -command => [
        sub { &showdialog },
        "About Tkpp", << ".",
Tkpp was written by Doug Gruber <doug(a)dougthug.com>.
In the event this application breaks, you get both pieces ; )

Tkpp Version: $version
.
        "info"
    ]
);

# the frame from which all frames will come
#
my $bigframe = $main->Frame(-borderwidth => 10);

# make the top frame
#
my $frame = $bigframe->Frame();

$frame->LabEntry(
    -textvariable => \$sourcefile,
    -label        => "Source file   ",
    -background   => "white",
    -width        => 30,
    -labelPack    => [ -side => "left" ]
  )->grid(
    (   $frame->Button(
            -image   => $main->Getimage("srcfile"),
            -command => [
                sub { &openfile },
                [                 [ "Perl Files", [ ".par", ".pl", ".pm" ] ],
                    [ "All Files", ["*"] ]
                ],
                \$sourcefile
            ]
        )
    ),
    -pady => 2
  );
$frame->LabEntry(
    -textvariable => \$outputfile,
    -label        => "Output file   ",
    -background   => "white",
    -width        => 30,
    -labelPack    => [ -side => "left" ]
  )->grid(
    (   $frame->Button(
            -image   => $main->Getimage("textfile"),
            -command => [
                sub { &savefile },
                [                 [ "Binary Files", ["*$Config{_exe}"] ],
                    [ "PAR Files",    [".par"] ],
                    [ "All Files",    ["*"] ]
                ],
                \$outputfile
            ]
        )
    ),
    -pady => 2
  );
$frame->LabEntry(
    -textvariable => \$iconfile,
    -label        => "Use icon      ",
    -background   => "white",
    -width        => 30,
    -labelPack    => [ -side => "left" ],
  )->grid(
    (   $frame->Button(
            -image   => $main->Getimage("file"),
            -command => [
                sub { &openfile }, [ [ "ICO Files", [".ico"] ] ], \$iconfile
            ]
        )
    ),
    -pady => 2
  )
  if ($^O eq 'MSWin32');

# make the middle frame with the module lists
#
my $frame2         = $bigframe->Frame(-borderwidth => 1);
my $frame2balloon  = $frame2->Balloon();
my $addmoduleframe = $frame2->LabEntry(
    -textvariable => \$addmodules,
    -label        => "Add modules      ",
    -background   => "white",
    -width        => 30,
    -labelPack    => [ -side => "left" ]
)->grid(-pady => 2);
my $excludemoduleframe = $frame2->LabEntry(
    -textvariable => \$excludemodules,
    -label        => "Exclude modules",
    -background   => "white",
    -width        => 30,
    -labelPack    => [ -side => "left" ]
)->grid(-pady => 2);
$frame2balloon->attach(
    $addmoduleframe,
    -balloonposition => "mouse",
    -balloonmsg      =>
"Adds the specified module(s) into the package, along with its dependencies, seperate each module with a comma or semicolon"
);
$frame2balloon->attach(
    $excludemoduleframe,
    -balloonposition => "mouse",
    -balloonmsg      =>
"Excludes the given module(s) from the dependency search patch and from the package, seperate each module with a comma or semicolon"
);

# make the middle frame with the checkboxes
#
my $frame3        = $bigframe->Frame(-borderwidth => 5);
my $frame3balloon = $frame3->Balloon();
my $guicheck      = $frame3->Checkbutton(
    -text     => "GUI",
    -variable => \$dogui,
    -onvalue  => "--gui",
    -offvalue => "",
    @win32_only
  )->grid(
    (   my $logcheck = $frame3->Checkbutton(
            -text     => "Log",
            -variable => \$dolog,
            -onvalue  => "--log=$logfile",
            -offvalue => ""
        )
    ),
    (   my $verbosecheck = $frame3->Checkbutton(
            -text     => "Verbose",
            -variable => \$doverbose,
            -onvalue  => "--verbose=",
            -offvalue => ""
        )
    ),
    (   $verboselevelbox = $frame3->Optionmenu(
            -options => [ 5, 4, 3, 2, 1 ],
        )
    )
  );

$frame3balloon->attach(
    $guicheck,
    -balloonposition => "mouse",
    -balloonmsg => "Build an executable that does not have a console window"
);
$frame3balloon->attach(
    $logcheck,
    -balloonposition => "mouse",
    -balloonmsg      =>
      "Log the output of packaging to a file rather than to stdout"
);
$frame3balloon->attach(
    $verbosecheck,
    -balloonposition => "mouse",
    -balloonmsg      =>
"Increase verbosity of output, this option is ignored if logging is not enabled"
);
$frame3balloon->attach(
    $verboselevelbox,
    -balloonposition => "mouse",
    -balloonmsg => "The verbosity level from 0 to 5, 5 being the most verbose"
);

# make the bottom frame
#
my $frame4 = $bigframe->Frame(-borderwidth => 5);
$frame4->Button(
    -text      => "Build",
    -width     => 10,
    -underline => 0,
    -command   => \&build
)->grid();
$main->bind("<Alt-b>" => \&build);
$main->bind("<Alt-B>" => \&build);

# make the status bar (for future use)
#
$statusbar = "Ready";
my $statusbottom = $main->Label(
    -textvariable => \$statusbar,
    -anchor       => "w",
    -relief       => "sunken"
  )->pack(
    -side => "bottom",
    -fill => "x"
  );

$frame->pack();
$frame2->pack();
$frame3->pack();
$frame4->pack();
$bigframe->pack();

# create the splashscreen
#
my $splashimage = &splashimage(1);
$main->withdraw();
if (my $splash = eval { require Tk::Splashscreen; $main->Splashscreen }) {
$splash->Label(
    -text       => "Tkpp",
    -font       => [ -size => "10", -weight => "bold" ],
    -background => "#746b6b"
  )->pack(
    -fill   => "both",
    -expand => 1
  );
$splash->Label(
    -image => $main->Photo("image", -data => $splashimage, -format => "gif"),
    -background => "#746b6b"
)->pack();
$splash->Splash(1000);
$splash->Destroy();
}
checkconfig();
$main->iconify();
$main->deiconify();

#$main->raise();

my $icon = $main->Photo(
    "image",
    -data   => $iconimage,
    -format => "gif"
);
$main->idletasks;
$main->iconimage($icon);

# align the main window appx with the middle of the screen
#
my $centerwidth  = int(($main->screenwidth / 2) -  ($main->width / 2));
my $centerheight = int(($main->screenheight / 2) - ($main->height / 2));
$main->geometry("+$centerwidth+$centerheight");

MainLoop;

###################################################
# begin subroutines
###################################################

sub build {
    if (!(-e $configfile)) {
        showdialog("Preferences not set", << ".", "error");
Your preferences have not been set or your preferences file has been removed.
You will not be able to build your file untill this is complete.
Please go to File -> Preferences to continue.
.
    }
    elsif (!$pppath) {
        showdialog("Path not set", << ".", "error");
The path to $pp_bat has not been set.
Please go to File -> Preferences to continue.
.
    }
    elsif ($perlpath eq "") {
        showdialog("Path not set", << ".", "error");
The path to perl$Config{_exe} has not been set.
Please go to File -> Preferences to continue.
.
    }
    elsif (!(-e $pppath)) {
        showdialog("Invalid path", << ".", "error");
The path to $pp_bat is invalid.
Check that the file exits and that your path is setup correctly.
Please go to File -> Preferences to change the setting.
.
    }
    elsif (!(-e $perlpath)) {
        showdialog("Invalid path", << ".", "error");
The path to perl$Config{_exe} is invalid.
Check that the file exits and that your path is setup correctly.
Please go to File -> Preferences to change the setting.
.
    }
    elsif ($sourcefile eq "") {
        showdialog("Missing parameter",
            "You must specify a source file to build.", "error");
    }
    elsif ($outputfile eq "") {
        showdialog("Missing parameter",
            "You must specify an output file to write.", "error");
    }
    else {
        $statusbar = "Building...";
        $main->Busy();
        my @args = ("$pppath", "--output=$outputfile");

        if ($outputfile =~ /\Q$Config{_exe}\E$/i) {
        }
        elsif ($outputfile =~ /\.par$/i) {
            push(@args, "--par");
        }
        elsif ($outputfile =~ /\.pl$/i) {
            push(@args, "--perlscript");
        }
        else {
            showdialog("Invalid File Format", << ".", "error");
You are trying to write your output file as an invalid file format.
It must be either a $Config{_exe} or .par file.
.
            $main->Unbusy();
            $statusbar = "Ready";
            return ();
        }

        push(@args, $sourcefile);

        if ($iconfile) {
            push(@args, "--icon=$iconfile");
        }
        if ($dogui) {
            push(@args, $dogui);
        }
        if ($dolog) {
            push(@args, $dolog);
        }
        if ($doverbose) {
            $verboselevel = $verboselevelbox->getSelectedValue();
            push(@args, "$doverbose$verboselevel");
        }
        if ($addmodules) {
            foreach (split(/,|;/, $addmodules)) {
                $_ =~ s/^\s//;
                push(@args, "--add=$_");
            }
        }
        if ($excludemodules) {
            foreach (split(/,|;/, $excludemodules)) {
                $_ =~ s/^\s//;
                push(@args, "--exclude=$_");
            }
        }

        unlink($logfile);
        system($^X, @args);
        if ($dolog) {
            open LOGFILE, ">>$logfile";
            print LOGFILE "Executed Command: @args\n";
            close LOGFILE;
        }
        $main->Unbusy();
        $statusbar = "Ready";
        # $statusbar .= "(Error $?: $!)" if $?;
    }
}

sub checkconfig {
    if (-e $configfile) {
        open CONFIGFILE, "$configfile";
        while (<CONFIGFILE>) {
            if ($_ =~ m/perlpath = (.*)/) {
                $perlpath = $1;
            }
            elsif ($_ =~ m/pppath = (.*)/) {
                $pppath = $1;
            }
            elsif ($_ =~ m/gpgpath = (.*)/) {
                $gpgpath = $1;
            }
        }
        close CONFIGFILE;
    }
    else {
        editpreferences();
    }
}

sub editpreferences {
    if (-e $configfile) {
        open CONFIGFILE, "+<$configfile";
        while (<CONFIGFILE>) {
            if ($_ =~ m/perlpath = (.*)/) {
                $perlpath = $1;
            }
            elsif ($_ =~ m/pppath = (.*)/) {
                $pppath = $1;
            }
            elsif ($_ =~ m/gpgpath = (.*)/) {
                $gpgpath = $1;
            }
        }
    }
    else {
        $perlpath = can_run($^X);
        $pppath = File::Spec->catfile($FindBin::Bin, $pp_bat);
        $pppath = File::Spec->catfile(dirname($perlpath), $pp_bat)
	    unless -e $pppath;
        $perlpath = '' unless -e $perlpath;
        $pppath = '' unless -e $pppath;
        open CONFIGFILE, ">>$configfile";
    }
    my $preferences = $main->DialogBox(-title => "Preferences");
    my $perllabentry = $preferences->add(
        "LabEntry",
        -textvariable => \$perlpath,
        -label        => "Path to perl ",
        -background   => "white",
        -width        => 30,
        -labelPack    => [ -side => "left" ]
      )->grid(
        (          $preferences->Button(
                -image   => $main->Getimage("openfold"),
                -command => [     sub { &openfile },
                    [                 [ "Perl",      ["perl$Config{_exe}"] ],
                        [ "All Files", ["*"] ]
                    ],
                    \$perlpath
                ]
            )
        ),
        -padx => 1,
        -pady => 10
      );
    my $pplabentry = $preferences->add(
        "LabEntry",
        -textvariable => \$pppath,
        -label        => "Path to pp   ",
        -background   => "white",
        -width        => 30,
        -labelPack    => [ -side => "left" ]
      )->grid(
        (          $preferences->Button(
                -image   => $main->Getimage("openfold"),
                -command => [     sub { &openfile },
                    [                 [   "pp Batch File",
                            [ $pp_bat ]
                        ],
                        [ "All Files", ["*"] ]
                    ],
                    \$pppath
                ]
            )
        ),
        -padx => 1,
        -pady => 10
      );
    my $gpglabentry = $preferences->add(
        "LabEntry",
        -textvariable => \$gpgpath,
        -label        => "Path to gpg ",
        -background   => "white",
        -width        => 30,
        -labelPack    => [ -side => "left" ]
      )->grid(
        (          $preferences->Button(
                -image   => $main->Getimage("openfold"),
                -command => [     sub { &openfile },
                    [                 [ "GPG",       ["gpg$Config{_exe}"] ],
                        [ "All Files", ["*"] ]
                    ],
                    \$gpgpath
                ]
            )
        ),
        -padx => 1,
        -pady => 10
      ) if 0;
    my $answer = $preferences->Show();
    if ($answer eq "OK") {
        no warnings "uninitialized";
        print CONFIGFILE "perlpath = $perlpath\n";
        print CONFIGFILE "pppath = $pppath\n";
        print CONFIGFILE "gpgpath = $gpgpath\n";
        close CONFIGFILE;
        sub { $preferences->destroy };
    }
}

my $help_text;
sub help {
    my $help = $main->DialogBox(-title => "Tkpp Help");
    if (!$help_text) {
        local $/;
        seek DATA, 0, 0;
        $help_text = <DATA>;
        $help_text =~ s/.*?=head2/=head2/s;
        $help_text =~ s/=head1 NOTES.*//s;
        $help_text =~ s/=head2 (.*)\s+/* $1:\n/g;
    };
    $help->Label(
        -text    => $help_text,
        -justify => "left"
    )->pack(-fill => "x");
    $help->Show();
}

sub openfile {
    my $types = shift();
    my $file  = shift();

    $$file = $main->getOpenFile(
        -filetypes  => $types,
        -initialdir => $$file
    );
    return ();
}

sub savefile {
    my $types = shift();
    my $file  = shift();

    $$file = $main->getSaveFile(
        -filetypes  => $types,
        -initialdir => $$file
    );
    return ();
}

sub showdialog {
    my $title   = shift();
    my $message = shift();
    my $icon    = shift();

    if ($^O eq "MSWin32") {
        my $messageBox = $main->messageBox(
            -title   => "$title",
            -message => "$message",
            -type    => "OK",
            -icon    => "$icon"
        );
    }
    else {
        my $dialog = $main->DialogBox(-title     => $title);
        my $frame  = $dialog->Frame(-borderwidth => 2);
        $frame->Label(-width  => 4)->grid($frame->Label());
        $frame->Label(-bitmap => $icon)->grid(
            $frame->Label(
                -text    => $message,
                -justify => "left"
            )
        );
        $frame->pack();
        $dialog->bell();
        $dialog->Show();
    }

    return 0;
}

sub splashimage {
    my $splash_gif = << '.';
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.

    my %send_back = (1 => $splash_gif);

    return ($send_back{ $_[0] });
}

sub myicon {
    my $icon_gif = << '.';
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qjY2MkZCQraysv//////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////yH+FUNyZWF0ZWQgd2l0aCBU
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.

    my %send_back = (1 => $icon_gif);

    return ($send_back{ $_[0] });
}

sub can_run {
    my $cmd = $_[0];

    require Config;
    require ExtUtils::MakeMaker;

    my $_cmd = $cmd;
    return $_cmd if (-x $_cmd or $_cmd = MM->maybe_command($_cmd));

    for my $dir ((split /$Config::Config{path_sep}/, $ENV{PATH}), '.') {
        my $abs = File::Spec->catfile($dir, $_[0]);
        return $abs if (-x $abs or $abs = MM->maybe_command($abs));
    }

    return;
}

__DATA__

=head1 SEE ALSO

L<pp>, L<PAR>

=head1 AUTHORS

Tkpp was written by Doug Gruber.
In the event this application breaks, you get both pieces ;)

=head1 COPYRIGHT

Copyright 2003 by Doug Gruber E<lt>doug(a)dougthug.comE<gt>,
                  Autrijus Tang E<lt>autrijus@autrijus.orgE<gt>.

Neither this program nor the associated L<pp> program impose any
licensing restrictions on files generated by their execution, in
accordance with the 8th article of the Artistic License:

    "Aggregation of this Package with a commercial distribution is
    always permitted provided that the use of this Package is embedded;
    that is, when no overt attempt is made to make this Package's
    interfaces visible to the end user of the commercial distribution.
    Such use shall not be construed as a distribution of this Package."

Therefore, you are absolutely free to place any license on the resulting
executable, as long as the packed 3rd-party libraries are also available
under the Artistic License.

This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.

See L<http://www.perl.com/perl/misc/Artistic.html>

=cut
