void QFontFamilyDelegate::paint(QPainter *painter,
const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
QString text = index.data(Qt::DisplayRole).toString();
QFont font(option.font);
font.setPointSize(QFontInfo(font).pointSize() * 3 / 2);
QFont font2 = font;
font2.setFamily(text);
bool hasLatin;
QFontDatabase::WritingSystem system = writingSystemForFont(font2, &hasLatin);
if (hasLatin)
font = font2;
QRect r = option.rect;
if (option.state & QStyle::State_Selected) {
painter->save();
painter->setBrush(option.palette.highlight());
painter->setPen(Qt::NoPen);
painter->drawRect(option.rect);
painter->setPen(QPen(option.palette.highlightedText(), 0));
}
const QIcon *icon = &bitmap;
if (QFontDatabase().isSmoothlyScalable(text)) {
icon = &truetype;
}
QSize actualSize = icon->actualSize(r.size());
icon->paint(painter, r, Qt::AlignLeft|Qt::AlignVCenter);
if (option.direction == Qt::RightToLeft)
r.setRight(r.right() - actualSize.width() - 4);
else
r.setLeft(r.left() + actualSize.width() + 4);
QFont old = painter->font();
painter->setFont(font);
painter->drawText(r, Qt::AlignVCenter|Qt::AlignLeading|Qt::TextSingleLine, text);
if (writingSystem != QFontDatabase::Any)
system = writingSystem;
if (system != QFontDatabase::Any) {
int w = painter->fontMetrics().width(text + QLatin1String(" "));
painter->setFont(font2);
QString sample = QFontDatabase().writingSystemSample(system);
if (option.direction == Qt::RightToLeft)
r.setRight(r.right() - w);
else
r.setLeft(r.left() + w);
painter->drawText(r, Qt::AlignVCenter|Qt::AlignLeading|Qt::TextSingleLine, sample);
}
painter->setFont(old);
if (option.state & QStyle::State_Selected)
painter->restore();
}
void QFontFamilyDelegate::paint(QPainter *painter,
const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
QString text = index.data(Qt::DisplayRole).toString();
QFont font(option.font);
font.setPointSize(QFontInfo(font).pointSize() * 3 / 2);
QFont font2 = font;
font2.setFamily(text);
bool hasLatin;
QFontDatabase::WritingSystem system = writingSystemForFont(font2, &hasLatin);
if (hasLatin)
font = font2;
QRect r = option.rect;
if (option.state & QStyle::State_Selected) {
painter->save();
painter->setBrush(option.palette.highlight());
painter->setPen(Qt::NoPen);
painter->drawRect(option.rect);
painter->setPen(QPen(option.palette.highlightedText(), 0));
}
const QIcon *icon = &bitmap;
if (QFontDatabase().isSmoothlyScalable(text)) {
icon = &truetype;
}
QSize actualSize = icon->actualSize(r.size());
icon->paint(painter, r, Qt::AlignLeft|Qt::AlignVCenter);
if (option.direction == Qt::RightToLeft)
r.setRight(r.right() - actualSize.width() - 4);
else
r.setLeft(r.left() + actualSize.width() + 4);
QFont old = painter->font();
painter->setFont(font);
// If the ascent of the font is larger than the height of the rect,
// we will clip the text, so it's better to align the tight bounding rect in this case
// This is specifically for fonts where the ascent is very large compared to
// the descent, like certain of the Stix family.
QFontMetricsF fontMetrics(font);
if (fontMetrics.ascent() > r.height()) {
QRectF tbr = fontMetrics.tightBoundingRect(text);
painter->drawText(r.x(), r.y() + (r.height() + tbr.height()) / 2.0, text);
} else {
painter->drawText(r, Qt::AlignVCenter|Qt::AlignLeading|Qt::TextSingleLine, text);
}
if (writingSystem != QFontDatabase::Any)
system = writingSystem;
if (system != QFontDatabase::Any) {
int w = painter->fontMetrics().width(text + QLatin1String(" "));
painter->setFont(font2);
QString sample = QFontDatabase().writingSystemSample(system);
if (option.direction == Qt::RightToLeft)
r.setRight(r.right() - w);
else
r.setLeft(r.left() + w);
painter->drawText(r, Qt::AlignVCenter|Qt::AlignLeading|Qt::TextSingleLine, sample);
}
painter->setFont(old);
if (option.state & QStyle::State_Selected)
painter->restore();
}
