| 1 | |
| 2 | require 5; |
| 3 | package Pod::Perldoc::ToTk; |
| 4 | use strict; |
| 5 | use warnings; |
| 6 | |
| 7 | use base qw(Pod::Perldoc::BaseTo); |
| 8 | |
| 9 | sub is_pageable { 1 } |
| 10 | sub write_with_binmode { 0 } |
| 11 | sub output_extension { 'txt' } # doesn't matter |
| 12 | sub if_zero_length { } # because it will be 0-length! |
| 13 | sub new { return bless {}, ref($_[0]) || $_[0] } |
| 14 | |
| 15 | # TODO: document these and their meanings... |
| 16 | sub tree { shift->_perldoc_elem('tree' , @_) } |
| 17 | sub tk_opt { shift->_perldoc_elem('tk_opt' , @_) } |
| 18 | sub forky { shift->_perldoc_elem('forky' , @_) } |
| 19 | |
| 20 | use Pod::Perldoc (); |
| 21 | use File::Spec::Functions qw(catfile); |
| 22 | |
| 23 | use Tk; |
| 24 | die join '', __PACKAGE__, " doesn't work nice with Tk.pm verison $Tk::VERSION" |
| 25 | if $Tk::VERSION eq '800.003'; |
| 26 | |
| 27 | BEGIN { eval { require Tk::FcyEntry; }; }; |
| 28 | use Tk::Pod; |
| 29 | |
| 30 | # The following was adapted from "tkpod" in the Tk-Pod dist. |
| 31 | |
| 32 | sub parse_from_file { |
| 33 | |
| 34 | my($self, $Input_File) = @_; |
| 35 | if($self->{'forky'}) { |
| 36 | return if fork; # i.e., parent process returns |
| 37 | } |
| 38 | |
| 39 | $Input_File =~ s{\\}{/}g |
| 40 | if Pod::Perldoc::IS_MSWin32 or Pod::Perldoc::IS_Dos |
| 41 | # and maybe OS/2 |
| 42 | ; |
| 43 | |
| 44 | my($tk_opt, $tree); |
| 45 | $tree = $self->{'tree' }; |
| 46 | $tk_opt = $self->{'tk_opt'}; |
| 47 | |
| 48 | #require Tk::ErrorDialog; |
| 49 | |
| 50 | # Add 'Tk' subdirectories to search path so, e.g., |
| 51 | # 'Scrolled' will find doc in 'Tk/Scrolled' |
| 52 | |
| 53 | if( $tk_opt ) { |
| 54 | push @INC, grep -d $_, map catfile($_,'Tk'), @INC; |
| 55 | } |
| 56 | |
| 57 | my $mw = MainWindow->new(); |
| 58 | #eval 'use blib "/home/e/eserte/src/perl/Tk-App";require Tk::App::Debug'; |
| 59 | $mw->withdraw; |
| 60 | |
| 61 | # CDE use Font Settings if available |
| 62 | my $ufont = $mw->optionGet('userFont','UserFont'); # fixed width |
| 63 | my $sfont = $mw->optionGet('systemFont','SystemFont'); # proportional |
| 64 | if (defined($ufont) and defined($sfont)) { |
| 65 | foreach ($ufont, $sfont) { s/:$//; }; |
| 66 | $mw->optionAdd('*Font', $sfont); |
| 67 | $mw->optionAdd('*Entry.Font', $ufont); |
| 68 | $mw->optionAdd('*Text.Font', $ufont); |
| 69 | } |
| 70 | |
| 71 | $mw->optionAdd('*Menu.tearOff', $Tk::platform ne 'MSWin32' ? 1 : 0); |
| 72 | |
| 73 | $mw->Pod( |
| 74 | '-file' => $Input_File, |
| 75 | (($Tk::Pod::VERSION >= 4) ? ('-tree' => $tree) : ()) |
| 76 | )->focusNext; |
| 77 | |
| 78 | # xxx dirty but it works. A simple $mw->destroy if $mw->children |
| 79 | # does not work because Tk::ErrorDialogs could be created. |
| 80 | # (they are withdrawn after Ok instead of destory'ed I guess) |
| 81 | |
| 82 | if ($mw->children) { |
| 83 | $mw->repeat(1000, sub { |
| 84 | # ErrorDialog is withdrawn not deleted :-( |
| 85 | foreach ($mw->children) { |
| 86 | return if "$_" =~ /^Tk::Pod/ # ->isa('Tk::Pod') |
| 87 | } |
| 88 | $mw->destroy; |
| 89 | }); |
| 90 | } else { |
| 91 | $mw->destroy; |
| 92 | } |
| 93 | #$mw->WidgetDump; |
| 94 | MainLoop(); |
| 95 | |
| 96 | exit if $self->{'forky'}; # we were the child! so exit now! |
| 97 | return; |
| 98 | } |
| 99 | |
| 100 | 1; |
| 101 | __END__ |
| 102 | |
| 103 | |
| 104 | =head1 NAME |
| 105 | |
| 106 | Pod::Perldoc::ToTk - let Perldoc use Tk::Pod to render Pod |
| 107 | |
| 108 | =head1 SYNOPSIS |
| 109 | |
| 110 | perldoc -o tk Some::Modulename & |
| 111 | |
| 112 | =head1 DESCRIPTION |
| 113 | |
| 114 | This is a "plug-in" class that allows Perldoc to use |
| 115 | Tk::Pod as a formatter class. |
| 116 | |
| 117 | You have to have installed Tk::Pod first, or this class won't load. |
| 118 | |
| 119 | =head1 SEE ALSO |
| 120 | |
| 121 | L<Tk::Pod>, L<Pod::Perldoc> |
| 122 | |
| 123 | =head1 AUTHOR |
| 124 | |
| 125 | Sean M. Burke C<sburke@cpan.org>, with significant portions copied from |
| 126 | F<tkpod> in the Tk::Pod dist, by Nick Ing-Simmons, Slaven Rezic, et al. |
| 127 | |
| 128 | =cut |
| 129 | |