11-04-2012
Firstly I personally not understanding the way u have stated the problem and what doubt you have. The prog works perfectly, when default statement executed the 'cont' value doesn't get changed, remains 1 so control gets returned to while. its fine. Whats wrong in that?
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LEARN ABOUT DEBIAN
layout::manager::flow
Layout::Manager::Flow(3pm) User Contributed Perl Documentation Layout::Manager::Flow(3pm)
NAME
Layout::Manager::Flow - Directional layout manager
DESCRIPTION
Layout::Manager::Flow is a layout manager that anchors components in one of the four cardinal directions.
When you instantiate a Flow manager, you may supply it with an anchor value which may be one of north, south, east or west. The example
below shows how the default anchor value of north works when you add two components.
north
+--------------------------------+
| component 1 |
+--------------------------------+
| component 2 |
+--------------------------------+
| |
| |
| |
+--------------------------------+
Components are placed in the order they are added. If two items are added with a 'north' anchor then the first item will be rendered above
the second. Components will be expanded to take up all space perpendicular to their anchor. North and south will expand widths while east
and west will expand heights.
Flow is similar to Java's FlowLayout <http://java.sun.com/docs/books/tutorial/uiswing/layout/flow.html>. It does not, however, center
components. This features may be added in the future if they are needed.
SYNOPSIS
$cont->add_component($comp1);
$cont->add_component($comp2);
my $lm = Layout::Manager::Flow->new(anchor => 'north');
$lm->do_layout($cont);
ATTRIBUTES
anchor
The direction this manager is anchored. Valid values are north, south, east and west.
used
Returns the amount of space used an arrayref in the form of "[ $width, $height ]".
wrap
If set to a true value, then component will be 'wrapped' when they do not fit. This currently only works for East and West anchored
layouts.
METHODS
do_layout
Size and position the components in this layout.
AUTHOR
Cory Watson, "<gphat@cpan.org>"
COPYRIGHT & LICENSE
Copyright 2008 by Cory G Watson
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.12.3 2011-05-16 Layout::Manager::Flow(3pm)