Commit | Line | Data |
1a67fee7 |
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 | |