void RatingDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,const QModelIndex &index) const
{
QStyleOptionViewItemV4 opt(option);
QStyle *style = opt.widget ? opt.widget->style() : QApplication::style();
style->drawPrimitive(QStyle::PE_PanelItemViewItem, &opt, painter, opt.widget);
const int left = option.rect.left();
const int top = option.rect.top();
const int width = option.rect.width();
const int height = option.rect.height();
//Create base pixmap
QPixmap pixmap(width, height);
pixmap.fill(Qt::transparent);
QPainter p(&pixmap);
p.translate(-option.rect.topLeft());
//Paint rating
int rating = index.data(Qt::DisplayRole).toInt();
StarRating starRating = StarRating(rating, StarRating::Medium);
starRating.setRating(rating);
QSize ratingSize = starRating.sizeHint();
int ratingLeft = left + 2;
int ratingTop = top + (height - ratingSize.height())/2;
QRect ratingRect = QRect(QPoint(ratingLeft, ratingTop), ratingSize);
starRating.setPoint(ratingRect.topLeft());
starRating.paint(&p);
p.end();
//Draw finished pixmap
painter->drawPixmap(option.rect.topLeft(), pixmap);
}
//! [0]
void StarDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
if (index.data().canConvert<StarRating>()) {
StarRating starRating = qvariant_cast<StarRating>(index.data());
if (option.state & QStyle::State_Selected)
painter->fillRect(option.rect, option.palette.highlight());
starRating.paint(painter, option.rect, option.palette,
StarRating::ReadOnly);
} else {
QStyledItemDelegate::paint(painter, option, index);
}
//! [0]
}