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package CannonField;
use strict;
use warnings;
use blib;
use QtCore4;
use QtGui4;
use QtCore4::isa qw(Qt::Widget);
use QtCore4::slots setAngle => ['int'];
use QtCore4::signals angleChanged => ['int'];
sub NEW {
shift->SUPER::NEW(@_);
this->{currentAngle} = 45;
this->setPalette(Qt::Palette(Qt::Color(250,250,200)));
this->setAutoFillBackground(1);
}
sub setAngle {
my ( $angle ) = @_;
if ($angle < 5) {
$angle = 5;
}
if ($angle > 70) {
$angle = 70;
}
if (this->{currentAngle} == $angle) {
return;
}
this->{currentAngle} = $angle;
this->update();
emit angleChanged( this->{currentAngle} );
}
sub paintEvent {
my $painter = Qt::Painter(this);
$painter->setPen(Qt::NoPen());
$painter->setBrush(Qt::Brush(Qt::blue()));
$painter->translate(0, this->rect()->height());
$painter->drawPie(Qt::Rect(-35, -35, 70, 70), 0, 90 * 16);
$painter->rotate(-(this->{currentAngle}));
$painter->drawRect(Qt::Rect(30, -5, 20, 10));
$painter->end();
}
1;
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