NAME
UI::Various::RichTerm::Button - concrete implementation of UI::Various::Button
SYNOPSIS
# This module should never be used directly!
# It is used indirectly via the following:
use UI::Various::Button;
ABSTRACT
This module is the specific implementation of UI::Various::Button using the rich terminal UI.
DESCRIPTION
The documentation of this module is only intended for developers of the package itself.
METHODS
_prepare - prepare UI element
($width, $height) = $ui_element->_prepare($content_width);
example:
my ($w, $h) = $_->_prepare($content_width);
$width < $w and $width = $w;
$height += $h;
parameters:
$content_width preferred width of content
description:
Prepare output of the UI element by determining and returning the space it wants or needs. The method should only be called from UI::Various::RichTerm
container elements!
returns:
width and height the UI element will require or need when printed
_show - return formatted UI element
$string = $ui_element->_show($prefix, $width, $height);
example:
my ($w, $h) = $_->_prepare($content_width);
...
$_->_show('(1) ', $w, $h);
parameters:
$prefix text in front of first line
$width the width returned by _prepare above
$height the height returned by _prepare above
description:
Return the formatted (rectangular) text box of the UI element. Its height will be exactly as specified, unless there hasn't been enough space. The weight is similarly as specified plus the width needed for the prefix. The method should only be called from UI::Various::RichTerm container elements!
returns:
the rectangular text box for UI element
_process - handle action of UI element
$ui_element->_process;
description:
Handle the action of the UI element aka the button has been selected.
SEE ALSO
UI::Various, UI::Various::Button
LICENSE
Copyright (C) Thomas Dorner.
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See LICENSE file for more details.
AUTHOR
Thomas Dorner <dorner (at) cpan (dot) org>