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#!/usr/bin/perl
package ClickerWidget;
use base 'Tickit::Widget';
use v5.14;
use warnings;
use Tickit;
# In a real Widget this would be stored in an attribute of $self
my @points;
sub lines { 1 }
sub cols { 1 }
sub render_to_rb
{
my $self = shift;
my ( $rb, $rect ) = @_;
my $win = $self->window;
$rb->eraserect( $rect );
foreach my $point ( @points ) {
$rb->text_at( $point->[0], $point->[1], "X" );
}
}
sub on_mouse
{
my $self = shift;
my ( $args ) = @_;
return unless $args->type eq "press" and $args->button == 1;
push @points, [ $args->line, $args->col ];
shift @points while @points > 10;
$self->redraw;
}
Tickit->new( root => ClickerWidget->new )->run;
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