155 lines
3.9 KiB
Perl
155 lines
3.9 KiB
Perl
package Pod::Perldoc::ToTk;
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use strict;
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use warnings;
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use vars qw($VERSION);
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$VERSION = '3.28';
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use parent qw(Pod::Perldoc::BaseTo);
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sub is_pageable { 1 }
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sub write_with_binmode { 0 }
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sub output_extension { 'txt' } # doesn't matter
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sub if_zero_length { } # because it will be 0-length!
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sub new { return bless {}, ref($_[0]) || $_[0] }
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# TODO: document these and their meanings...
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sub tree { shift->_perldoc_elem('tree' , @_) }
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sub tk_opt { shift->_perldoc_elem('tk_opt' , @_) }
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sub forky { shift->_perldoc_elem('forky' , @_) }
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use Pod::Perldoc ();
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use File::Spec::Functions qw(catfile);
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BEGIN{ # Tk is not core, but this is
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eval { require Tk } ||
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__PACKAGE__->die( <<"HERE" );
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You must have the Tk module to use Pod::Perldoc::ToTk.
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If you have it installed, ensure it's in your Perl library
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path.
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HERE
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__PACKAGE__->die(
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__PACKAGE__,
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" doesn't work nice with Tk.pm version $Tk::VERSION"
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) if $Tk::VERSION eq '800.003';
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}
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BEGIN { eval { require Tk::FcyEntry; }; };
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BEGIN{ # Tk::Pod is not core, but this is
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eval { require Tk::Pod } ||
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__PACKAGE__->die( <<"HERE" );
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You must have the Tk::Pod module to use Pod::Perldoc::ToTk.
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If you have it installed, ensure it's in your Perl library
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path.
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HERE
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}
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# The following was adapted from "tkpod" in the Tk-Pod dist.
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sub parse_from_file {
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my($self, $Input_File) = @_;
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if($self->{'forky'}) {
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return if fork; # i.e., parent process returns
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}
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$Input_File =~ s{\\}{/}g
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if $self->is_mswin32 or $self->is_dos
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# and maybe OS/2
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;
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my($tk_opt, $tree);
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$tree = $self->{'tree' };
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$tk_opt = $self->{'tk_opt'};
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#require Tk::ErrorDialog;
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# Add 'Tk' subdirectories to search path so, e.g.,
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# 'Scrolled' will find doc in 'Tk/Scrolled'
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if( $tk_opt ) {
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push @INC, grep -d $_, map catfile($_,'Tk'), @INC;
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}
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my $mw = MainWindow->new();
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#eval 'use blib "/home/e/eserte/src/perl/Tk-App";require Tk::App::Debug';
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$mw->withdraw;
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# CDE use Font Settings if available
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my $ufont = $mw->optionGet('userFont','UserFont'); # fixed width
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my $sfont = $mw->optionGet('systemFont','SystemFont'); # proportional
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if (defined($ufont) and defined($sfont)) {
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foreach ($ufont, $sfont) { s/:$//; };
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$mw->optionAdd('*Font', $sfont);
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$mw->optionAdd('*Entry.Font', $ufont);
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$mw->optionAdd('*Text.Font', $ufont);
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}
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$mw->optionAdd('*Menu.tearOff', $Tk::platform ne 'MSWin32' ? 1 : 0);
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$mw->Pod(
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'-file' => $Input_File,
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(($Tk::Pod::VERSION >= 4) ? ('-tree' => $tree) : ())
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)->focusNext;
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# xxx dirty but it works. A simple $mw->destroy if $mw->children
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# does not work because Tk::ErrorDialogs could be created.
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# (they are withdrawn after Ok instead of destory'ed I guess)
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if ($mw->children) {
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$mw->repeat(1000, sub {
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# ErrorDialog is withdrawn not deleted :-(
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foreach ($mw->children) {
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return if "$_" =~ /^Tk::Pod/ # ->isa('Tk::Pod')
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}
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$mw->destroy;
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});
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} else {
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$mw->destroy;
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}
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#$mw->WidgetDump;
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MainLoop();
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exit if $self->{'forky'}; # we were the child! so exit now!
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return;
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}
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1;
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__END__
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=head1 NAME
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Pod::Perldoc::ToTk - let Perldoc use Tk::Pod to render Pod
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=head1 SYNOPSIS
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perldoc -o tk Some::Modulename &
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=head1 DESCRIPTION
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This is a "plug-in" class that allows Perldoc to use
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Tk::Pod as a formatter class.
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You have to have installed Tk::Pod first, or this class won't load.
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=head1 SEE ALSO
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L<Tk::Pod>, L<Pod::Perldoc>
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=head1 AUTHOR
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Current maintainer: Mark Allen C<< <mallen@cpan.org> >>
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Past contributions from:
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brian d foy C<< <bdfoy@cpan.org> >>
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Adriano R. Ferreira C<< <ferreira@cpan.org> >>;
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Sean M. Burke C<< <sburke@cpan.org> >>;
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significant portions copied from
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F<tkpod> in the Tk::Pod dist, by Nick Ing-Simmons, Slaven Rezic, et al.
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=cut
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