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| 1 |  |  |  |  |  |  | package UI::Various::Button; | 
| 2 |  |  |  |  |  |  |  | 
| 3 |  |  |  |  |  |  | # Author, Copyright and License: see end of file | 
| 4 |  |  |  |  |  |  |  | 
| 5 |  |  |  |  |  |  | =head1 NAME | 
| 6 |  |  |  |  |  |  |  | 
| 7 |  |  |  |  |  |  | UI::Various::Button - general button widget of L | 
| 8 |  |  |  |  |  |  |  | 
| 9 |  |  |  |  |  |  | =head1 SYNOPSIS | 
| 10 |  |  |  |  |  |  |  | 
| 11 |  |  |  |  |  |  | use UI::Various; | 
| 12 |  |  |  |  |  |  | my $main = UI::Various::main(); | 
| 13 |  |  |  |  |  |  | $main->window(UI::Various::Button->new(text => 'Quit', | 
| 14 |  |  |  |  |  |  | code => sub{ exit(); })); | 
| 15 |  |  |  |  |  |  | $main->mainloop(); | 
| 16 |  |  |  |  |  |  |  | 
| 17 |  |  |  |  |  |  | =head1 ABSTRACT | 
| 18 |  |  |  |  |  |  |  | 
| 19 |  |  |  |  |  |  | This module defines the general button widget of an application using | 
| 20 |  |  |  |  |  |  | L. | 
| 21 |  |  |  |  |  |  |  | 
| 22 |  |  |  |  |  |  | =head1 DESCRIPTION | 
| 23 |  |  |  |  |  |  |  | 
| 24 |  |  |  |  |  |  | Besides the common attributes inherited from C the | 
| 25 |  |  |  |  |  |  | C | 
| 26 |  |  |  |  |  |  |  | 
| 27 |  |  |  |  |  |  | =head2 Attributes | 
| 28 |  |  |  |  |  |  |  | 
| 29 |  |  |  |  |  |  | =over | 
| 30 |  |  |  |  |  |  |  | 
| 31 |  |  |  |  |  |  | =cut | 
| 32 |  |  |  |  |  |  |  | 
| 33 |  |  |  |  |  |  | ######################################################################### | 
| 34 |  |  |  |  |  |  |  | 
| 35 | 11 |  |  | 11 |  | 112 | use v5.14; | 
|  | 11 |  |  |  |  | 31 |  | 
| 36 | 11 |  |  | 11 |  | 46 | use strictures; | 
|  | 11 |  |  |  |  | 16 |  | 
|  | 11 |  |  |  |  | 60 |  | 
| 37 | 11 |  |  | 11 |  | 1858 | no indirect 'fatal'; | 
|  | 11 |  |  |  |  | 21 |  | 
|  | 11 |  |  |  |  | 50 |  | 
| 38 | 11 |  |  | 11 |  | 558 | no multidimensional; | 
|  | 11 |  |  |  |  | 20 |  | 
|  | 11 |  |  |  |  | 56 |  | 
| 39 | 11 |  |  | 11 |  | 288 | use warnings 'once'; | 
|  | 11 |  |  |  |  | 21 |  | 
|  | 11 |  |  |  |  | 451 |  | 
| 40 |  |  |  |  |  |  |  | 
| 41 |  |  |  |  |  |  | our $VERSION = '0.23'; | 
| 42 |  |  |  |  |  |  |  | 
| 43 | 11 |  |  | 11 |  | 47 | use UI::Various::core; | 
|  | 11 |  |  |  |  | 17 |  | 
|  | 11 |  |  |  |  | 107 |  | 
| 44 | 11 |  |  | 11 |  | 54 | use UI::Various::widget; | 
|  | 11 |  |  |  |  | 19 |  | 
|  | 11 |  |  |  |  | 551 |  | 
| 45 | 11 |  |  | 11 |  | 49 | BEGIN  {  require 'UI/Various/' . UI::Various::core::using() . '/Button.pm';  } | 
| 46 |  |  |  |  |  |  |  | 
| 47 |  |  |  |  |  |  | require Exporter; | 
| 48 |  |  |  |  |  |  | our @ISA = qw(UI::Various::widget); | 
| 49 |  |  |  |  |  |  | our @EXPORT_OK = qw(); | 
| 50 |  |  |  |  |  |  |  | 
| 51 |  |  |  |  |  |  | ######################################################################### | 
| 52 |  |  |  |  |  |  |  | 
| 53 |  |  |  |  |  |  | =item code [rw, recommended] | 
| 54 |  |  |  |  |  |  |  | 
| 55 |  |  |  |  |  |  | the command invoked by the button | 
| 56 |  |  |  |  |  |  |  | 
| 57 |  |  |  |  |  |  | Note that the command gets a reference to the top-level widget (C or | 
| 58 |  |  |  |  |  |  | C | 
| 59 |  |  |  |  |  |  | especially useful to end a dialogue, as those might not return a usable | 
| 60 |  |  |  |  |  |  | reference on creation, e.g. in C. | 
| 61 |  |  |  |  |  |  |  | 
| 62 |  |  |  |  |  |  | =cut | 
| 63 |  |  |  |  |  |  |  | 
| 64 |  |  |  |  |  |  | sub code($;$) | 
| 65 |  |  |  |  |  |  | { | 
| 66 |  |  |  |  |  |  | return access('code', | 
| 67 |  |  |  |  |  |  | sub{ | 
| 68 | 15 | 100 |  | 15 |  | 66 | unless (ref($_) eq 'CODE') | 
| 69 |  |  |  |  |  |  | { | 
| 70 | 1 |  |  |  |  | 3 | error('_1_attribute_must_be_a_2_reference', | 
| 71 |  |  |  |  |  |  | 'code', 'CODE'); | 
| 72 | 1 |  |  |  |  | 10 | return undef; | 
| 73 |  |  |  |  |  |  | } | 
| 74 |  |  |  |  |  |  | }, | 
| 75 | 37 |  |  | 37 | 1 | 218 | @_); | 
| 76 |  |  |  |  |  |  | } | 
| 77 |  |  |  |  |  |  |  | 
| 78 |  |  |  |  |  |  | =item text [rw, recommended] | 
| 79 |  |  |  |  |  |  |  | 
| 80 |  |  |  |  |  |  | the text of the button as string or variable reference | 
| 81 |  |  |  |  |  |  |  | 
| 82 |  |  |  |  |  |  | =cut | 
| 83 |  |  |  |  |  |  |  | 
| 84 |  |  |  |  |  |  | sub text($;$) | 
| 85 |  |  |  |  |  |  | { | 
| 86 | 151 |  |  | 151 | 1 | 1130 | return access('text', undef, @_); | 
| 87 |  |  |  |  |  |  | } | 
| 88 |  |  |  |  |  |  |  | 
| 89 |  |  |  |  |  |  | ######################################################################### | 
| 90 |  |  |  |  |  |  | # | 
| 91 |  |  |  |  |  |  | # internal constants and data: | 
| 92 |  |  |  |  |  |  |  | 
| 93 | 11 |  |  |  |  | 833 | use constant ALLOWED_PARAMETERS => | 
| 94 | 11 |  |  | 11 |  | 117 | (UI::Various::widget::COMMON_PARAMETERS, qw(text code)); | 
|  | 11 |  |  |  |  | 187 |  | 
| 95 | 11 |  |  | 11 |  | 54 | use constant DEFAULT_ATTRIBUTES => (text => '', code => sub{} ); | 
|  | 11 |  |  |  |  | 22 |  | 
|  | 11 |  |  |  |  | 1529 |  | 
| 96 |  |  |  |  |  |  |  | 
| 97 |  |  |  |  |  |  | ######################################################################### | 
| 98 |  |  |  |  |  |  | ######################################################################### | 
| 99 |  |  |  |  |  |  |  | 
| 100 |  |  |  |  |  |  | =back | 
| 101 |  |  |  |  |  |  |  | 
| 102 |  |  |  |  |  |  | =head1 METHODS | 
| 103 |  |  |  |  |  |  |  | 
| 104 |  |  |  |  |  |  | Besides the accessors (attributes) described above and by | 
| 105 |  |  |  |  |  |  | L and the methods | 
| 106 |  |  |  |  |  |  | inherited from L only the | 
| 107 |  |  |  |  |  |  | constructor is provided by the C | 
| 108 |  |  |  |  |  |  |  | 
| 109 |  |  |  |  |  |  | =cut | 
| 110 |  |  |  |  |  |  |  | 
| 111 |  |  |  |  |  |  | ######################################################################### | 
| 112 |  |  |  |  |  |  |  | 
| 113 |  |  |  |  |  |  | =head2 B - constructor | 
| 114 |  |  |  |  |  |  |  | 
| 115 |  |  |  |  |  |  | see L | 
| 116 |  |  |  |  |  |  | constructor for UI elements> | 
| 117 |  |  |  |  |  |  |  | 
| 118 |  |  |  |  |  |  | =cut | 
| 119 |  |  |  |  |  |  |  | 
| 120 |  |  |  |  |  |  | # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # | 
| 121 |  |  |  |  |  |  |  | 
| 122 |  |  |  |  |  |  | sub new($;\[@$]) | 
| 123 |  |  |  |  |  |  | { | 
| 124 | 35 |  |  | 35 | 1 | 4699 | debug(3, __PACKAGE__, '::new'); | 
| 125 | 35 |  |  |  |  | 232 | return construct({ DEFAULT_ATTRIBUTES }, | 
| 126 |  |  |  |  |  |  | '^(?:' . join('|', ALLOWED_PARAMETERS) . ')$', | 
| 127 |  |  |  |  |  |  | @_); | 
| 128 |  |  |  |  |  |  | } | 
| 129 |  |  |  |  |  |  |  | 
| 130 |  |  |  |  |  |  | 1; | 
| 131 |  |  |  |  |  |  |  | 
| 132 |  |  |  |  |  |  | ######################################################################### | 
| 133 |  |  |  |  |  |  | ######################################################################### | 
| 134 |  |  |  |  |  |  |  | 
| 135 |  |  |  |  |  |  | =head1 SEE ALSO | 
| 136 |  |  |  |  |  |  |  | 
| 137 |  |  |  |  |  |  | L | 
| 138 |  |  |  |  |  |  |  | 
| 139 |  |  |  |  |  |  | =head1 LICENSE | 
| 140 |  |  |  |  |  |  |  | 
| 141 |  |  |  |  |  |  | Copyright (C) Thomas Dorner. | 
| 142 |  |  |  |  |  |  |  | 
| 143 |  |  |  |  |  |  | This library is free software; you can redistribute it and/or modify it | 
| 144 |  |  |  |  |  |  | under the same terms as Perl itself.  See LICENSE file for more details. | 
| 145 |  |  |  |  |  |  |  | 
| 146 |  |  |  |  |  |  | =head1 AUTHOR | 
| 147 |  |  |  |  |  |  |  | 
| 148 |  |  |  |  |  |  | Thomas Dorner Edorner (at) cpan (dot) orgE | 
| 149 |  |  |  |  |  |  |  | 
| 150 |  |  |  |  |  |  | =cut |