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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 |