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# Object-oriented Canvas.
#!/usr/local/bin/perl -w
use strict;
use Tk qw(Ev);
use Tk::Cloth;
my $mw = Tk::MainWindow->new;
my $cloth = $mw->Cloth();
my $r = $cloth->Rectangle(
-coords => [0,0,100,100],
-fill => 'green'
);
{
my($x,$y);
$r->bind("<ButtonPress-1>", [
sub {
shift;
($x,$y) = @_
}, Ev('x'),Ev('y')]
);
$r->bind("<B1-Motion>", [
sub {
my($r,$X,$Y) = @_;
$r->move($X-$x,$Y-$y);
($x,$y) = ($X,$Y)
}, Ev('x'),Ev('y')]
);
}
my $tag = $cloth->Tag;
$tag->Oval(
-coords => [100,0,200,100],
-fill => 'blue'
);
$tag->Oval(
-coords => [0,200,100,100],
-fill => 'red'
);
{
my($x,$y);
$tag->bind("<ButtonPress-1>", [
sub {
shift;
($x,$y) = @_
}, Ev('x'),Ev('y')]
);
$tag->bind("<B1-Motion>", [
sub {
my($r,$X,$Y) = @_;
$r->move($X-$x,$Y-$y);
($x,$y) = ($X,$Y)
}, Ev('x'),Ev('y')]
);
}
$cloth->pack(-fill => 'both', -expand => 1);
Tk::MainLoop;
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