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#!/usr/bin/perl -w
# $Id$
# these simple samples have been developped by C. Mertz mertz@cena.fr
use Tk;
use Tk::Zinc;
use strict;
#exit if $Tk::Zinc::VERSION lt "3.2.5b";
## this demo demonstrates the use of path tags to adress one or more items
## belonging to ha hierarchy of groups.
## This hierarchy is described just below, $gr_xxx designates a group
## (with a tag _xxx) and $i_yyy designates an non-group item (with a tag _yyy).
my $hierarchy = '
# $gr_top --- $gr_a --- $gr_aa --- $i_aaa
# | | |
# | | --- $i_aab
# | |-- $i_ab
# | |
# | ---$gr_ac --- $i_aca
# | |
# |-- $i_b --- $i_acb
# |
# --- $gr_c --- $gr_ca --- $i_caa
# | |
# | --- $i_cab
# |-- $i_cb
# |
# ---$gr_cc --- $i_cca
# |
# --- $i_ccb
';
## The following hash table gives for every path tag the expected
## list of items adressed by the path tag.
my @addressee = ( "gr_top" => [ 'gr_top' ],
".gr_top" => [ 'gr_a' , 'i_b', 'gr_c' ],
);
my $defaultfont = '-adobe-helvetica-bold-r-normal-*-120-*-*-*-*-*-*';
my $mw = MainWindow->new();
my $zinc = $mw->Zinc(-width => 1, -height => 1, -borderwidth => 0)->pack;
# creating the item hierarchy
my $gr_top = $zinc ->add('group', 1, -tags => ['_top']);
my $gr_a = $zinc->add('group', $gr_top, -tags => ['_a']);
my $i_b = $zinc->add('text', $gr_top, -tags => ['_b']);
my $gr_c = $zinc->add('group', $gr_top, -tags => ['_c']);
my $gr_aa = $zinc->add('group', $gr_a, -tags => ['_aa']);
my $i_ab = $zinc->add('text', $gr_a, -tags => ['_ab']);
my $gr_ac = $zinc->add('group', $gr_a, -tags => ['_ac']);
my $gr_ca = $zinc->add('group', $gr_c, -tags => ['_ca']);
my $i_cb = $zinc->add('text', $gr_c, -tags => ['_cb']);
my $gr_cc = $zinc->add('group', $gr_c, -tags => ['_cc']);
while (@addressee) {
my $pathtag = shift @addressee;
my @predicted_result = @{shift @addressee};
my @result = $zinc->find('withtag', $pathtag);
print "for pathtag $pathtag predicted= ", join (',',@predicted_result), "\nobserved= ", join (',', @result), "\n";
}
# TO BE COMPLETED XXXX
MainLoop;
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