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package Lien;
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU GPL 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 General Public License for more details.
#
# You should have received a copy of the GNU 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/gpl.html
#
use strict;
use MTools;
use MTools::MGroup;
use MTools::GUI::MCurve;
use vars qw /@ISA/;
BEGIN
{
@ISA = qw /MTools::MGroup/;
}
sub new {
my ($class, $parent, $comete_1, $comete_2, %options) = @_;
my $self = new MTools::MGroup ($parent);
bless $self, $class;
$self -> recordProperty ('comete_1', $comete_1);
$self -> recordProperty ('comete_2', $comete_2);
$self -> recordProperty ('distance', 100);
$self -> recordProperty ('c_x', 0);
$self -> recordProperty ('c_y', 0);
$self -> recordProperty ('warning', 0);
$self -> {__lien} = new MTools::GUI::MCurve ($self, [[0, 0], [0, 0]],
-linecolor => defined $options {color} ? $options {color} : '#243033;60',
-linestyle => 'dashed',
-linewidth => defined $options {width} ? $options {width} : 2,
-filled => 0, -visible => 1, -sensitive => 0
);
$self -> plisten ('warning', sub {
my ($src, $key, $val, $old) = @_;
if ($val)
{
$self -> {__lien} -> mconfigure (
-linecolor => 'red',
-linewidth => 8,
-linestyle => 'simple',
);
}
else
{
$self -> {__lien} -> mconfigure (
-linecolor => '#243033;60',
-linestyle => 'dashed',
-linewidth => defined $options {width} ? $options {width} : 2,
);
}
});
$self -> {__c1_x} = $comete_1 -> plisten ('x', [$self, 'redraw']);
$self -> {__c1_y} = $comete_1 -> plisten ('y', [$self, 'redraw']);
$self -> {__c2_x} = $comete_2 -> plisten ('x', [$self, 'redraw']);
$self -> {__c2_y} = $comete_2 -> plisten ('y', [$self, 'redraw']);
$comete_1 -> addRattrapage ($self);
$comete_2 -> addRattrapage ($self);
return $self;
}
sub mdelete {
my ($self) = @_;
my $comete_1 = $self -> mget ('comete_1');
my $comete_2 = $self -> mget ('comete_2');
$comete_1 -> unplisten ('x', $self -> {__c1_x});
$comete_1 -> unplisten ('y', $self -> {__c1_y});
$comete_2 -> unplisten ('x', $self -> {__c2_x});
$comete_2 -> unplisten ('y', $self -> {__c2_y});
$comete_1 -> removeRattrapage ($self);
$comete_2 -> removeRattrapage ($self);
MTools::mdelete ($self);
}
sub redraw {
my ($self) = @_;
my $comete_1 = $self -> mget ('comete_1');
my $comete_2 = $self -> mget ('comete_2');
my $x0 = $comete_1 -> mget ('x');
my $y0 = $comete_1 -> mget ('y');
my $x1 = $comete_2 -> mget ('x');
my $y1 = $comete_2 -> mget ('y');
$self -> {__lien} -> coords ([$x0, $y0, $x1, $y1]);
my $cautra_x0 = $comete_1 -> mget ('cautrax');
my $cautra_y0 = $comete_1 -> mget ('cautray');
my $cautra_x1 = $comete_2 -> mget ('cautrax');
my $cautra_y1 = $comete_2 -> mget ('cautray');
my $dist = sqrt (($cautra_x1 - $cautra_x0) ** 2 + ($cautra_y1 - $cautra_y0) ** 2);
$self -> mconfigure (
distance => int ($dist * 10) / 10,
c_x => ($x0 + $x1) / 2,
c_y => ($y0 + $y1) / 2,
);
}
1;
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