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package MTools::Comp::MFlicker;
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU LGPL Libray General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA,
# or refer to http://www.gnu.org/copyleft/lgpl.html
#
##################################################################
# Le composant permet d'ajouter un comportement de clignotement ? un objet cible
#
# Parametres :
#
# * target : objet cible du tremblement
# * periode : periode du clignottement
# Propriete :
# * flick : demarre le clignottement
# * show : rend l'objet cible toujours visible
# * hide : rend l'objet cible toujours masque
use strict;
use MTools;
use MTools::MObjet;
use MTools::MTimer;
use Tk;
use vars qw /@ISA/;
BEGIN
{
@ISA = qw /MTools::MObjet/;
}
sub new {
my ($class, $target, $periode) = @_;
my $self = new MTools::MObjet();
$self -> {__target} = $target;
$self -> {__target} -> mconfigure (-visible => 0);
bless $self, $class;
$self -> recordProperty ('periode', $periode);
$self -> {__timer} = new MTools::MTimer ($periode, 1, sub {
$self -> {__target} -> mconfigure (-visible => !$self -> {__target} -> mget (-visible));
});
plink ([$self, 'periode'], [$self -> {__timer}, 'timeout']);
return $self;
}
sub flick {
my ($self) = @_;
$self -> {__timer} -> start ();
}
sub show {
my ($self) = @_;
$self -> {__timer} -> stop ();
$self -> {__target} -> mconfigure (-visible => 1);
}
sub hide {
my ($self) = @_;
$self -> {__timer} -> stop ();
$self -> {__target} -> mconfigure (-visible => 0);
}
1;
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