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package CannonField;
use strict;
use warnings;
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();
this->emit( 'angleChanged', this->{currentAngle} );
}
sub paintEvent {
my $painter = Qt::Painter( this );
$painter->drawText(200, 200, "Angle = " . this->{currentAngle} );
$painter->end();
}
1;
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