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package StarEditor;
use strict;
use warnings;
use QtCore4;
use QtGui4;
use StarRating;
# [0]
use QtCore4::isa qw( Qt::Widget );
use QtCore4::signals
editingFinished => [];
sub setStarRating
{
my ($starRating) = @_;
this->{myStarRating} = $starRating;
}
sub starRating {
return this->{myStarRating}
}
# [0]
sub NEW
{
my ($class, $parent) = @_;
$class->SUPER::NEW($parent);
this->setMouseTracking(1);
this->setAutoFillBackground(1);
}
# [0]
sub sizeHint
{
return this->{myStarRating}->sizeHint();
}
# [1]
sub paintEvent
{
my $painter = Qt::Painter(this);
this->{myStarRating}->paint($painter, this->rect(), this->palette(),
StarRating::Editable);
$painter->end();
}
# [1]
# [2]
sub mouseMoveEvent
{
my ($event) = @_;
my $star = this->starAtPosition($event->x());
if ($star != this->{myStarRating}->starCount() && $star != -1) {
this->{myStarRating}->setStarCount($star);
this->update();
}
}
# [2]
# [3]
sub mouseReleaseEvent
{
emit this->editingFinished();
}
# [3]
# [4]
sub starAtPosition
{
my ($x) = @_;
# C++ code does operation on ints. Use sprintf '%d' to emulate this.
my $star = sprintf( '%d',
($x / (this->{myStarRating}->sizeHint()->width()
/ this->{myStarRating}->maxStarCount()))) + 1;
if ($star <= 0 || $star > this->{myStarRating}->maxStarCount()) {
return -1;
}
return $star;
}
# [4]
1;
|
