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-
- require 5;
- package Pod::Perldoc::ToTk;
- use strict;
- use warnings;
-
- use base qw(Pod::Perldoc::BaseTo);
-
- sub is_pageable { 1 }
- sub write_with_binmode { 0 }
- sub output_extension { 'txt' } # doesn't matter
- sub if_zero_length { } # because it will be 0-length!
- sub new { return bless {}, ref($_[0]) || $_[0] }
-
- # TODO: document these and their meanings...
- sub tree { shift->_perldoc_elem('tree' , @_) }
- sub tk_opt { shift->_perldoc_elem('tk_opt' , @_) }
- sub forky { shift->_perldoc_elem('forky' , @_) }
-
- use Pod::Perldoc ();
- use File::Spec::Functions qw(catfile);
-
- use Tk;
- die join '', __PACKAGE__, " doesn't work nice with Tk.pm verison $Tk::VERSION"
- if $Tk::VERSION eq '800.003';
-
- BEGIN { eval { require Tk::FcyEntry; }; };
- use Tk::Pod;
-
- # The following was adapted from "tkpod" in the Tk-Pod dist.
-
- sub parse_from_file {
-
- my($self, $Input_File) = @_;
- if($self->{'forky'}) {
- return if fork; # i.e., parent process returns
- }
-
- $Input_File =~ s{\\}{/}g
- if Pod::Perldoc::IS_MSWin32 or Pod::Perldoc::IS_Dos
- # and maybe OS/2
- ;
-
- my($tk_opt, $tree);
- $tree = $self->{'tree' };
- $tk_opt = $self->{'tk_opt'};
-
- #require Tk::ErrorDialog;
-
- # Add 'Tk' subdirectories to search path so, e.g.,
- # 'Scrolled' will find doc in 'Tk/Scrolled'
-
- if( $tk_opt ) {
- push @INC, grep -d $_, map catfile($_,'Tk'), @INC;
- }
-
- my $mw = MainWindow->new();
- #eval 'use blib "/home/e/eserte/src/perl/Tk-App";require Tk::App::Debug';
- $mw->withdraw;
-
- # CDE use Font Settings if available
- my $ufont = $mw->optionGet('userFont','UserFont'); # fixed width
- my $sfont = $mw->optionGet('systemFont','SystemFont'); # proportional
- if (defined($ufont) and defined($sfont)) {
- foreach ($ufont, $sfont) { s/:$//; };
- $mw->optionAdd('*Font', $sfont);
- $mw->optionAdd('*Entry.Font', $ufont);
- $mw->optionAdd('*Text.Font', $ufont);
- }
-
- $mw->optionAdd('*Menu.tearOff', $Tk::platform ne 'MSWin32' ? 1 : 0);
-
- $mw->Pod(
- '-file' => $Input_File,
- (($Tk::Pod::VERSION >= 4) ? ('-tree' => $tree) : ())
- )->focusNext;
-
- # xxx dirty but it works. A simple $mw->destroy if $mw->children
- # does not work because Tk::ErrorDialogs could be created.
- # (they are withdrawn after Ok instead of destory'ed I guess)
-
- if ($mw->children) {
- $mw->repeat(1000, sub {
- # ErrorDialog is withdrawn not deleted :-(
- foreach ($mw->children) {
- return if "$_" =~ /^Tk::Pod/ # ->isa('Tk::Pod')
- }
- $mw->destroy;
- });
- } else {
- $mw->destroy;
- }
- #$mw->WidgetDump;
- MainLoop();
-
- exit if $self->{'forky'}; # we were the child! so exit now!
- return;
- }
-
- 1;
- __END__
-
-
- =head1 NAME
-
- Pod::Perldoc::ToTk - let Perldoc use Tk::Pod to render Pod
-
- =head1 SYNOPSIS
-
- perldoc -o tk Some::Modulename &
-
- =head1 DESCRIPTION
-
- This is a "plug-in" class that allows Perldoc to use
- Tk::Pod as a formatter class.
-
- You have to have installed Tk::Pod first, or this class won't load.
-
- =head1 SEE ALSO
-
- L<Tk::Pod>, L<Pod::Perldoc>
-
- =head1 AUTHOR
-
- Sean M. Burke C<sburke@cpan.org>, with significant portions copied from
- F<tkpod> in the Tk::Pod dist, by Nick Ing-Simmons, Slaven Rezic, et al.
-
- =cut
-
-