/*!\reimp
*/
void QLabel::paintEvent(QPaintEvent *)
{
Q_D(QLabel);
QStyle *style = QWidget::style();
QPainter painter(this);
drawFrame(&painter);
QRect cr = contentsRect();
cr.adjust(d->margin, d->margin, -d->margin, -d->margin);
int align = QStyle::visualAlignment(d->isTextLabel ? d->textDirection()
: layoutDirection(), QFlag(d->align));
#if QT_CONFIG(movie)
if (d->movie) {
if (d->scaledcontents)
style->drawItemPixmap(&painter, cr, align, d->movie->currentPixmap().scaled(cr.size()));
else
style->drawItemPixmap(&painter, cr, align, d->movie->currentPixmap());
}
else
#endif
if (d->isTextLabel) {
QRectF lr = d->layoutRect().toAlignedRect();
QStyleOption opt;
opt.initFrom(this);
#ifndef QT_NO_STYLE_STYLESHEET
if (QStyleSheetStyle* cssStyle = qobject_cast<QStyleSheetStyle*>(style)) {
cssStyle->styleSheetPalette(this, &opt, &opt.palette);
}
#endif
if (d->control) {
#ifndef QT_NO_SHORTCUT
const bool underline = (bool)style->styleHint(QStyle::SH_UnderlineShortcut, 0, this, 0);
if (d->shortcutId != 0
&& underline != d->shortcutCursor.charFormat().fontUnderline()) {
QTextCharFormat fmt;
fmt.setFontUnderline(underline);
d->shortcutCursor.mergeCharFormat(fmt);
}
#endif
d->ensureTextLayouted();
QAbstractTextDocumentLayout::PaintContext context;
// Adjust the palette
context.palette = opt.palette;
if (foregroundRole() != QPalette::Text && isEnabled())
context.palette.setColor(QPalette::Text, context.palette.color(foregroundRole()));
painter.save();
painter.translate(lr.topLeft());
painter.setClipRect(lr.translated(-lr.x(), -lr.y()));
d->control->setPalette(context.palette);
d->control->drawContents(&painter, QRectF(), this);
painter.restore();
} else {
int flags = align | (d->textDirection() == Qt::LeftToRight ? Qt::TextForceLeftToRight
: Qt::TextForceRightToLeft);
if (d->hasShortcut) {
flags |= Qt::TextShowMnemonic;
if (!style->styleHint(QStyle::SH_UnderlineShortcut, &opt, this))
flags |= Qt::TextHideMnemonic;
}
style->drawItemText(&painter, lr.toRect(), flags, opt.palette, isEnabled(), d->text, foregroundRole());
}
} else
#ifndef QT_NO_PICTURE
if (d->picture) {
QRect br = d->picture->boundingRect();
int rw = br.width();
int rh = br.height();
if (d->scaledcontents) {
painter.save();
painter.translate(cr.x(), cr.y());
painter.scale((double)cr.width()/rw, (double)cr.height()/rh);
painter.drawPicture(-br.x(), -br.y(), *d->picture);
painter.restore();
} else {
int xo = 0;
int yo = 0;
if (align & Qt::AlignVCenter)
yo = (cr.height()-rh)/2;
else if (align & Qt::AlignBottom)
yo = cr.height()-rh;
if (align & Qt::AlignRight)
xo = cr.width()-rw;
else if (align & Qt::AlignHCenter)
xo = (cr.width()-rw)/2;
painter.drawPicture(cr.x()+xo-br.x(), cr.y()+yo-br.y(), *d->picture);
}
} else
#endif
if (d->pixmap && !d->pixmap->isNull()) {
QPixmap pix;
if (d->scaledcontents) {
QSize scaledSize = cr.size() * devicePixelRatioF();
if (!d->scaledpixmap || d->scaledpixmap->size() != scaledSize) {
if (!d->cachedimage)
d->cachedimage = new QImage(d->pixmap->toImage());
delete d->scaledpixmap;
QImage scaledImage =
d->cachedimage->scaled(scaledSize,
Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
d->scaledpixmap = new QPixmap(QPixmap::fromImage(scaledImage));
d->scaledpixmap->setDevicePixelRatio(devicePixelRatioF());
}
pix = *d->scaledpixmap;
} else
pix = *d->pixmap;
QStyleOption opt;
opt.initFrom(this);
if (!isEnabled())
pix = style->generatedIconPixmap(QIcon::Disabled, pix, &opt);
style->drawItemPixmap(&painter, cr, align, pix);
}
}
