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package UI::Various::PoorTerm::container; |
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# Author, Copyright and License: see end of file |
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=head1 NAME |
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UI::Various::PoorTerm::container - abstract helper class for PoorTerm's container UI elements |
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=head1 SYNOPSIS |
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# This module should only be used by the container UI element classes of |
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# UI::Various::PoorTerm! |
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=head1 ABSTRACT |
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This module provides some helper functions for the container UI elements of |
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the minimal fallback UI. |
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=head1 DESCRIPTION |
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The documentation of this module is only intended for developers of the |
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package itself. |
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All functions of the module will be included as second "base class" (in |
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C<@ISA>) like (and instead of) C>. |
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=head2 Attributes |
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=over |
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=item _active |
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Container elements may contain a reference to an array containing only the |
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references to the active UI elements (those that are accessible, basically |
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everything not just a simple text output). |
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=back |
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=cut |
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######################################################################### |
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use v5.14; |
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use strictures; |
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no indirect 'fatal'; |
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no multidimensional; |
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use warnings 'once'; |
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our $VERSION = '0.23'; |
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use UI::Various::core; |
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use UI::Various::PoorTerm::base; |
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require Exporter; |
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our @ISA = qw(UI::Various::PoorTerm::base); |
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our @EXPORT_OK = qw(); |
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######################################################################### |
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######################################################################### |
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=head1 METHODS |
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The module provides the following common (internal) methods for all |
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UI::Various::PoorTerm container UI element classes: |
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=cut |
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######################################################################### |
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=head2 B<_self_destruct> - remove children and self-destruct |
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$ui_element->_self_destruct; |
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=head3 description: |
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Remove all children (to get rid of possible circular references) and remove |
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itself from "Window Manager" C>. |
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=cut |
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# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # |
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sub _self_destruct($) |
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{ |
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my ($self) = @_; |
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local $_; |
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defined $self->{_active} and delete $self->{_active}; |
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while ($_ = $self->child) |
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{ |
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if ($_->can('_self_destruct')) |
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{ $_->_self_destruct; } |
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else |
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{ $self->remove($_); } |
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} |
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$self->parent->remove($self); |
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$self = undef; |
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} |
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1; |
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######################################################################### |
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######################################################################### |
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=head1 SEE ALSO |
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L |
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=head1 LICENSE |
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111
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Copyright (C) Thomas Dorner. |
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This library is free software; you can redistribute it and/or modify it |
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under the same terms as Perl itself. See LICENSE file for more details. |
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=head1 AUTHOR |
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Thomas Dorner Edorner (at) cpan (dot) orgE |
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=cut |